4150c57212
Drivers are currently supposed to keep track of monitor interfaces if they allow so-called "hard" monitor, and they are also supposed to keep track of multicast etc. This patch changes that, replaces the set_multicast_list() callback with a new configure_filter() callback that takes filter flags (FIF_*) instead of interface flags (IFF_*). For a driver, this means it should open the filter as much as necessary to get all frames requested by the filter flags. Accordingly, the filter flags are named "positively", e.g. FIF_ALLMULTI. Multicast filtering is a bit special in that drivers that have no multicast address filters need to allow multicast frames through when either the FIF_ALLMULTI flag is set or when the mc_count value is positive. At the same time, drivers are no longer notified about monitor interfaces at all, this means they now need to implement the start() and stop() callbacks and the new change_filter_flags() callback. Also, the start()/stop() ordering changed, start() is now called *before* any add_interface() as it really should be, and stop() after any remove_interface(). The patch also changes the behaviour of setting the bssid to multicast for scanning when IEEE80211_HW_NO_PROBE_FILTERING is set; the IEEE80211_HW_NO_PROBE_FILTERING flag is removed and the filter flag FIF_BCN_PRBRESP_PROMISC introduced. This is a lot more efficient for hardware like b43 that supports it and other hardware can still set the BSSID to all-ones. Driver modifications by Johannes Berg (b43 & iwlwifi), Michael Wu (rtl8187, adm8211, and p54), Larry Finger (b43legacy), and Ivo van Doorn (rt2x00). Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Michael Wu <flamingice@sourmilk.net> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
1864 lines
56 KiB
C
1864 lines
56 KiB
C
/*
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Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
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<http://rt2x00.serialmonkey.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the
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Free Software Foundation, Inc.,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/*
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Module: rt2500usb
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Abstract: rt2500usb device specific routines.
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Supported chipsets: RT2570.
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*/
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/*
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* Set enviroment defines for rt2x00.h
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*/
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#define DRV_NAME "rt2500usb"
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#include <linux/delay.h>
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#include <linux/etherdevice.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/usb.h>
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#include "rt2x00.h"
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#include "rt2x00usb.h"
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#include "rt2500usb.h"
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/*
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* Register access.
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* All access to the CSR registers will go through the methods
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* rt2500usb_register_read and rt2500usb_register_write.
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* BBP and RF register require indirect register access,
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* and use the CSR registers BBPCSR and RFCSR to achieve this.
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* These indirect registers work with busy bits,
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* and we will try maximal REGISTER_BUSY_COUNT times to access
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* the register while taking a REGISTER_BUSY_DELAY us delay
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* between each attampt. When the busy bit is still set at that time,
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* the access attempt is considered to have failed,
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* and we will print an error.
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*/
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static inline void rt2500usb_register_read(const struct rt2x00_dev *rt2x00dev,
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const unsigned int offset,
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u16 *value)
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{
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__le16 reg;
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rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
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USB_VENDOR_REQUEST_IN, offset,
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®, sizeof(u16), REGISTER_TIMEOUT);
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*value = le16_to_cpu(reg);
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}
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static inline void rt2500usb_register_multiread(const struct rt2x00_dev
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*rt2x00dev,
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const unsigned int offset,
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void *value, const u16 length)
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{
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int timeout = REGISTER_TIMEOUT * (length / sizeof(u16));
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rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
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USB_VENDOR_REQUEST_IN, offset,
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value, length, timeout);
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}
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static inline void rt2500usb_register_write(const struct rt2x00_dev *rt2x00dev,
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const unsigned int offset,
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u16 value)
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{
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__le16 reg = cpu_to_le16(value);
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rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
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USB_VENDOR_REQUEST_OUT, offset,
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®, sizeof(u16), REGISTER_TIMEOUT);
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}
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static inline void rt2500usb_register_multiwrite(const struct rt2x00_dev
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*rt2x00dev,
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const unsigned int offset,
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void *value, const u16 length)
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{
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int timeout = REGISTER_TIMEOUT * (length / sizeof(u16));
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rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
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USB_VENDOR_REQUEST_OUT, offset,
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value, length, timeout);
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}
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static u16 rt2500usb_bbp_check(const struct rt2x00_dev *rt2x00dev)
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{
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u16 reg;
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unsigned int i;
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for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
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rt2500usb_register_read(rt2x00dev, PHY_CSR8, ®);
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if (!rt2x00_get_field16(reg, PHY_CSR8_BUSY))
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break;
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udelay(REGISTER_BUSY_DELAY);
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}
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return reg;
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}
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static void rt2500usb_bbp_write(const struct rt2x00_dev *rt2x00dev,
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const unsigned int word, const u8 value)
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{
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u16 reg;
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/*
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* Wait until the BBP becomes ready.
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*/
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reg = rt2500usb_bbp_check(rt2x00dev);
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if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) {
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ERROR(rt2x00dev, "PHY_CSR8 register busy. Write failed.\n");
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return;
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}
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/*
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* Write the data into the BBP.
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*/
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reg = 0;
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rt2x00_set_field16(®, PHY_CSR7_DATA, value);
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rt2x00_set_field16(®, PHY_CSR7_REG_ID, word);
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rt2x00_set_field16(®, PHY_CSR7_READ_CONTROL, 0);
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rt2500usb_register_write(rt2x00dev, PHY_CSR7, reg);
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}
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static void rt2500usb_bbp_read(const struct rt2x00_dev *rt2x00dev,
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const unsigned int word, u8 *value)
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{
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u16 reg;
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/*
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* Wait until the BBP becomes ready.
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*/
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reg = rt2500usb_bbp_check(rt2x00dev);
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if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) {
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ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n");
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return;
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}
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/*
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* Write the request into the BBP.
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*/
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reg = 0;
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rt2x00_set_field16(®, PHY_CSR7_REG_ID, word);
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rt2x00_set_field16(®, PHY_CSR7_READ_CONTROL, 1);
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rt2500usb_register_write(rt2x00dev, PHY_CSR7, reg);
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/*
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* Wait until the BBP becomes ready.
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*/
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reg = rt2500usb_bbp_check(rt2x00dev);
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if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) {
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ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n");
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*value = 0xff;
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return;
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}
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rt2500usb_register_read(rt2x00dev, PHY_CSR7, ®);
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*value = rt2x00_get_field16(reg, PHY_CSR7_DATA);
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}
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static void rt2500usb_rf_write(const struct rt2x00_dev *rt2x00dev,
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const unsigned int word, const u32 value)
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{
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u16 reg;
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unsigned int i;
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if (!word)
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return;
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for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
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rt2500usb_register_read(rt2x00dev, PHY_CSR10, ®);
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if (!rt2x00_get_field16(reg, PHY_CSR10_RF_BUSY))
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goto rf_write;
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udelay(REGISTER_BUSY_DELAY);
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}
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ERROR(rt2x00dev, "PHY_CSR10 register busy. Write failed.\n");
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return;
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rf_write:
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reg = 0;
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rt2x00_set_field16(®, PHY_CSR9_RF_VALUE, value);
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rt2500usb_register_write(rt2x00dev, PHY_CSR9, reg);
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reg = 0;
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rt2x00_set_field16(®, PHY_CSR10_RF_VALUE, value >> 16);
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rt2x00_set_field16(®, PHY_CSR10_RF_NUMBER_OF_BITS, 20);
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rt2x00_set_field16(®, PHY_CSR10_RF_IF_SELECT, 0);
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rt2x00_set_field16(®, PHY_CSR10_RF_BUSY, 1);
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rt2500usb_register_write(rt2x00dev, PHY_CSR10, reg);
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rt2x00_rf_write(rt2x00dev, word, value);
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}
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#ifdef CONFIG_RT2X00_LIB_DEBUGFS
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#define CSR_OFFSET(__word) ( CSR_REG_BASE + ((__word) * sizeof(u16)) )
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static void rt2500usb_read_csr(const struct rt2x00_dev *rt2x00dev,
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const unsigned int word, u32 *data)
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{
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rt2500usb_register_read(rt2x00dev, CSR_OFFSET(word), (u16 *) data);
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}
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static void rt2500usb_write_csr(const struct rt2x00_dev *rt2x00dev,
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const unsigned int word, u32 data)
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{
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rt2500usb_register_write(rt2x00dev, CSR_OFFSET(word), data);
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}
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static const struct rt2x00debug rt2500usb_rt2x00debug = {
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.owner = THIS_MODULE,
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.csr = {
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.read = rt2500usb_read_csr,
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.write = rt2500usb_write_csr,
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.word_size = sizeof(u16),
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.word_count = CSR_REG_SIZE / sizeof(u16),
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},
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.eeprom = {
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.read = rt2x00_eeprom_read,
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.write = rt2x00_eeprom_write,
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.word_size = sizeof(u16),
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.word_count = EEPROM_SIZE / sizeof(u16),
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},
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.bbp = {
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.read = rt2500usb_bbp_read,
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.write = rt2500usb_bbp_write,
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.word_size = sizeof(u8),
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.word_count = BBP_SIZE / sizeof(u8),
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},
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.rf = {
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.read = rt2x00_rf_read,
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.write = rt2500usb_rf_write,
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.word_size = sizeof(u32),
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.word_count = RF_SIZE / sizeof(u32),
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},
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};
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#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
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/*
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* Configuration handlers.
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*/
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static void rt2500usb_config_mac_addr(struct rt2x00_dev *rt2x00dev, u8 *addr)
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{
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__le16 reg[3];
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memset(®, 0, sizeof(reg));
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memcpy(®, addr, ETH_ALEN);
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/*
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* The MAC address is passed to us as an array of bytes,
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* that array is little endian, so no need for byte ordering.
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*/
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rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, ®, sizeof(reg));
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}
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static void rt2500usb_config_bssid(struct rt2x00_dev *rt2x00dev, u8 *bssid)
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{
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__le16 reg[3];
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memset(®, 0, sizeof(reg));
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memcpy(®, bssid, ETH_ALEN);
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/*
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* The BSSID is passed to us as an array of bytes,
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* that array is little endian, so no need for byte ordering.
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*/
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rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR5, ®, sizeof(reg));
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}
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static void rt2500usb_config_type(struct rt2x00_dev *rt2x00dev, const int type)
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{
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struct interface *intf = &rt2x00dev->interface;
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u16 reg;
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rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
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/*
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* Enable beacon config
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*/
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rt2500usb_register_read(rt2x00dev, TXRX_CSR20, ®);
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rt2x00_set_field16(®, TXRX_CSR20_OFFSET,
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(PREAMBLE + get_duration(IEEE80211_HEADER, 2)) >> 6);
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if (is_interface_type(intf, IEEE80211_IF_TYPE_STA))
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rt2x00_set_field16(®, TXRX_CSR20_BCN_EXPECT_WINDOW, 0);
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else
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rt2x00_set_field16(®, TXRX_CSR20_BCN_EXPECT_WINDOW, 2);
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rt2500usb_register_write(rt2x00dev, TXRX_CSR20, reg);
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/*
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* Enable synchronisation.
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*/
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rt2500usb_register_read(rt2x00dev, TXRX_CSR18, ®);
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rt2x00_set_field16(®, TXRX_CSR18_OFFSET, 0);
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rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
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rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®);
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rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 1);
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rt2x00_set_field16(®, TXRX_CSR19_TBCN, 1);
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rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 0);
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if (is_interface_type(intf, IEEE80211_IF_TYPE_IBSS) ||
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is_interface_type(intf, IEEE80211_IF_TYPE_AP))
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rt2x00_set_field16(®, TXRX_CSR19_TSF_SYNC, 2);
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else if (is_interface_type(intf, IEEE80211_IF_TYPE_STA))
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rt2x00_set_field16(®, TXRX_CSR19_TSF_SYNC, 1);
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else
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rt2x00_set_field16(®, TXRX_CSR19_TSF_SYNC, 0);
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rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
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}
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static void rt2500usb_config_rate(struct rt2x00_dev *rt2x00dev, const int rate)
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{
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struct ieee80211_conf *conf = &rt2x00dev->hw->conf;
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u16 reg;
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u16 value;
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u16 preamble;
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if (DEVICE_GET_RATE_FIELD(rate, PREAMBLE))
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preamble = SHORT_PREAMBLE;
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else
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preamble = PREAMBLE;
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reg = DEVICE_GET_RATE_FIELD(rate, RATEMASK) & DEV_BASIC_RATEMASK;
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rt2500usb_register_write(rt2x00dev, TXRX_CSR11, reg);
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rt2500usb_register_read(rt2x00dev, TXRX_CSR1, ®);
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value = ((conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME) ?
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SHORT_DIFS : DIFS) +
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PLCP + preamble + get_duration(ACK_SIZE, 10);
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rt2x00_set_field16(®, TXRX_CSR1_ACK_TIMEOUT, value);
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rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg);
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rt2500usb_register_read(rt2x00dev, TXRX_CSR10, ®);
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if (preamble == SHORT_PREAMBLE)
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rt2x00_set_field16(®, TXRX_CSR10_AUTORESPOND_PREAMBLE, 1);
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else
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rt2x00_set_field16(®, TXRX_CSR10_AUTORESPOND_PREAMBLE, 0);
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rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg);
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}
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static void rt2500usb_config_phymode(struct rt2x00_dev *rt2x00dev,
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const int phymode)
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{
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struct ieee80211_hw_mode *mode;
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struct ieee80211_rate *rate;
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if (phymode == MODE_IEEE80211A)
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rt2x00dev->curr_hwmode = HWMODE_A;
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else if (phymode == MODE_IEEE80211B)
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rt2x00dev->curr_hwmode = HWMODE_B;
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else
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rt2x00dev->curr_hwmode = HWMODE_G;
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mode = &rt2x00dev->hwmodes[rt2x00dev->curr_hwmode];
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rate = &mode->rates[mode->num_rates - 1];
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rt2500usb_config_rate(rt2x00dev, rate->val2);
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|
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if (phymode == MODE_IEEE80211B) {
|
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rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x000b);
|
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rt2500usb_register_write(rt2x00dev, MAC_CSR12, 0x0040);
|
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} else {
|
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rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x0005);
|
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rt2500usb_register_write(rt2x00dev, MAC_CSR12, 0x016c);
|
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}
|
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}
|
|
|
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static void rt2500usb_config_channel(struct rt2x00_dev *rt2x00dev,
|
|
const int index, const int channel,
|
|
const int txpower)
|
|
{
|
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struct rf_channel reg;
|
|
|
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/*
|
|
* Fill rf_reg structure.
|
|
*/
|
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memcpy(®, &rt2x00dev->spec.channels[index], sizeof(reg));
|
|
|
|
/*
|
|
* Set TXpower.
|
|
*/
|
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rt2x00_set_field32(®.rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
|
|
|
|
/*
|
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* For RT2525E we should first set the channel to half band higher.
|
|
*/
|
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if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
|
|
static const u32 vals[] = {
|
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0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2,
|
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0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba,
|
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0x000008ba, 0x000008be, 0x000008b7, 0x00000902,
|
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0x00000902, 0x00000906
|
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};
|
|
|
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rt2500usb_rf_write(rt2x00dev, 2, vals[channel - 1]);
|
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if (reg.rf4)
|
|
rt2500usb_rf_write(rt2x00dev, 4, reg.rf4);
|
|
}
|
|
|
|
rt2500usb_rf_write(rt2x00dev, 1, reg.rf1);
|
|
rt2500usb_rf_write(rt2x00dev, 2, reg.rf2);
|
|
rt2500usb_rf_write(rt2x00dev, 3, reg.rf3);
|
|
if (reg.rf4)
|
|
rt2500usb_rf_write(rt2x00dev, 4, reg.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,
|
|
const int short_slot_time,
|
|
const int beacon_int)
|
|
{
|
|
u16 reg;
|
|
|
|
rt2500usb_register_write(rt2x00dev, MAC_CSR10,
|
|
short_slot_time ? SHORT_SLOT_TIME : SLOT_TIME);
|
|
|
|
rt2500usb_register_read(rt2x00dev, TXRX_CSR18, ®);
|
|
rt2x00_set_field16(®, TXRX_CSR18_INTERVAL, beacon_int * 4);
|
|
rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
|
|
}
|
|
|
|
static void rt2500usb_config(struct rt2x00_dev *rt2x00dev,
|
|
const unsigned int flags,
|
|
struct ieee80211_conf *conf)
|
|
{
|
|
int short_slot_time = conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME;
|
|
|
|
if (flags & CONFIG_UPDATE_PHYMODE)
|
|
rt2500usb_config_phymode(rt2x00dev, conf->phymode);
|
|
if (flags & CONFIG_UPDATE_CHANNEL)
|
|
rt2500usb_config_channel(rt2x00dev, conf->channel_val,
|
|
conf->channel, conf->power_level);
|
|
if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL))
|
|
rt2500usb_config_txpower(rt2x00dev, conf->power_level);
|
|
if (flags & CONFIG_UPDATE_ANTENNA)
|
|
rt2500usb_config_antenna(rt2x00dev, conf->antenna_sel_tx,
|
|
conf->antenna_sel_rx);
|
|
if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT))
|
|
rt2500usb_config_duration(rt2x00dev, short_slot_time,
|
|
conf->beacon_int);
|
|
}
|
|
|
|
/*
|
|
* 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_get_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);
|
|
}
|
|
|
|
/*
|
|
* 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_rev(&rt2x00dev->chip, 0xffff0)) {
|
|
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(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 (changed_flags & FIF_OTHER_BSS ||
|
|
changed_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 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);
|
|
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 passed to usb_fill_urb cannot be an odd number,
|
|
* so add 1 byte to make it even.
|
|
*/
|
|
length = skb->len;
|
|
if (length % 2)
|
|
length++;
|
|
|
|
usb_fill_bulk_urb(beacon->priv, usb_dev,
|
|
usb_sndbulkpipe(usb_dev, 1),
|
|
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,
|
|
usb_sndbulkpipe(usb_dev, 1),
|
|
&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,
|
|
.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,
|
|
.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 = 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);
|