summaryrefslogtreecommitdiff
path: root/cleopatre/linux-2.6.25.10-spc300/drivers/net/wireless/rtl8187_dev.c
diff options
context:
space:
mode:
Diffstat (limited to 'cleopatre/linux-2.6.25.10-spc300/drivers/net/wireless/rtl8187_dev.c')
-rw-r--r--cleopatre/linux-2.6.25.10-spc300/drivers/net/wireless/rtl8187_dev.c818
1 files changed, 818 insertions, 0 deletions
diff --git a/cleopatre/linux-2.6.25.10-spc300/drivers/net/wireless/rtl8187_dev.c b/cleopatre/linux-2.6.25.10-spc300/drivers/net/wireless/rtl8187_dev.c
new file mode 100644
index 0000000000..133b3f39ee
--- /dev/null
+++ b/cleopatre/linux-2.6.25.10-spc300/drivers/net/wireless/rtl8187_dev.c
@@ -0,0 +1,818 @@
+/*
+ * Linux device driver for RTL8187
+ *
+ * Copyright 2007 Michael Wu <flamingice@sourmilk.net>
+ * Copyright 2007 Andrea Merello <andreamrl@tiscali.it>
+ *
+ * Based on the r8187 driver, which is:
+ * Copyright 2005 Andrea Merello <andreamrl@tiscali.it>, et al.
+ *
+ * Magic delays and register offsets below are taken from the original
+ * r8187 driver sources. Thanks to Realtek for their support!
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/usb.h>
+#include <linux/delay.h>
+#include <linux/etherdevice.h>
+#include <linux/eeprom_93cx6.h>
+#include <net/mac80211.h>
+
+#include "rtl8187.h"
+#include "rtl8187_rtl8225.h"
+
+MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>");
+MODULE_AUTHOR("Andrea Merello <andreamrl@tiscali.it>");
+MODULE_DESCRIPTION("RTL8187 USB wireless driver");
+MODULE_LICENSE("GPL");
+
+static struct usb_device_id rtl8187_table[] __devinitdata = {
+ /* Realtek */
+ {USB_DEVICE(0x0bda, 0x8187)},
+ /* Netgear */
+ {USB_DEVICE(0x0846, 0x6100)},
+ {USB_DEVICE(0x0846, 0x6a00)},
+ /* HP */
+ {USB_DEVICE(0x03f0, 0xca02)},
+ /* Sitecom */
+ {USB_DEVICE(0x0df6, 0x000d)},
+ {}
+};
+
+MODULE_DEVICE_TABLE(usb, rtl8187_table);
+
+static void rtl8187_iowrite_async_cb(struct urb *urb)
+{
+ kfree(urb->context);
+ usb_free_urb(urb);
+}
+
+static void rtl8187_iowrite_async(struct rtl8187_priv *priv, __le16 addr,
+ void *data, u16 len)
+{
+ struct usb_ctrlrequest *dr;
+ struct urb *urb;
+ struct rtl8187_async_write_data {
+ u8 data[4];
+ struct usb_ctrlrequest dr;
+ } *buf;
+
+ buf = kmalloc(sizeof(*buf), GFP_ATOMIC);
+ if (!buf)
+ return;
+
+ urb = usb_alloc_urb(0, GFP_ATOMIC);
+ if (!urb) {
+ kfree(buf);
+ return;
+ }
+
+ dr = &buf->dr;
+
+ dr->bRequestType = RTL8187_REQT_WRITE;
+ dr->bRequest = RTL8187_REQ_SET_REG;
+ dr->wValue = addr;
+ dr->wIndex = 0;
+ dr->wLength = cpu_to_le16(len);
+
+ memcpy(buf, data, len);
+
+ usb_fill_control_urb(urb, priv->udev, usb_sndctrlpipe(priv->udev, 0),
+ (unsigned char *)dr, buf, len,
+ rtl8187_iowrite_async_cb, buf);
+ usb_submit_urb(urb, GFP_ATOMIC);
+}
+
+static inline void rtl818x_iowrite32_async(struct rtl8187_priv *priv,
+ __le32 *addr, u32 val)
+{
+ __le32 buf = cpu_to_le32(val);
+
+ rtl8187_iowrite_async(priv, cpu_to_le16((unsigned long)addr),
+ &buf, sizeof(buf));
+}
+
+void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data)
+{
+ struct rtl8187_priv *priv = dev->priv;
+
+ data <<= 8;
+ data |= addr | 0x80;
+
+ rtl818x_iowrite8(priv, &priv->map->PHY[3], (data >> 24) & 0xFF);
+ rtl818x_iowrite8(priv, &priv->map->PHY[2], (data >> 16) & 0xFF);
+ rtl818x_iowrite8(priv, &priv->map->PHY[1], (data >> 8) & 0xFF);
+ rtl818x_iowrite8(priv, &priv->map->PHY[0], data & 0xFF);
+
+ msleep(1);
+}
+
+static void rtl8187_tx_cb(struct urb *urb)
+{
+ struct ieee80211_tx_status status;
+ struct sk_buff *skb = (struct sk_buff *)urb->context;
+ struct rtl8187_tx_info *info = (struct rtl8187_tx_info *)skb->cb;
+
+ memset(&status, 0, sizeof(status));
+
+ usb_free_urb(info->urb);
+ if (info->control)
+ memcpy(&status.control, info->control, sizeof(status.control));
+ kfree(info->control);
+ skb_pull(skb, sizeof(struct rtl8187_tx_hdr));
+ status.flags |= IEEE80211_TX_STATUS_ACK;
+ ieee80211_tx_status_irqsafe(info->dev, skb, &status);
+}
+
+static int rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb,
+ struct ieee80211_tx_control *control)
+{
+ struct rtl8187_priv *priv = dev->priv;
+ struct rtl8187_tx_hdr *hdr;
+ struct rtl8187_tx_info *info;
+ struct urb *urb;
+ __le16 rts_dur = 0;
+ u32 flags;
+
+ urb = usb_alloc_urb(0, GFP_ATOMIC);
+ if (!urb) {
+ kfree_skb(skb);
+ return 0;
+ }
+
+ flags = skb->len;
+ flags |= RTL8187_TX_FLAG_NO_ENCRYPT;
+ flags |= control->rts_cts_rate << 19;
+ flags |= control->tx_rate << 24;
+ if (ieee80211_get_morefrag((struct ieee80211_hdr *)skb->data))
+ flags |= RTL8187_TX_FLAG_MORE_FRAG;
+ if (control->flags & IEEE80211_TXCTL_USE_RTS_CTS) {
+ flags |= RTL8187_TX_FLAG_RTS;
+ rts_dur = ieee80211_rts_duration(dev, priv->vif,
+ skb->len, control);
+ }
+ if (control->flags & IEEE80211_TXCTL_USE_CTS_PROTECT)
+ flags |= RTL8187_TX_FLAG_CTS;
+
+ hdr = (struct rtl8187_tx_hdr *)skb_push(skb, sizeof(*hdr));
+ hdr->flags = cpu_to_le32(flags);
+ hdr->len = 0;
+ hdr->rts_duration = rts_dur;
+ hdr->retry = cpu_to_le32(control->retry_limit << 8);
+
+ info = (struct rtl8187_tx_info *)skb->cb;
+ info->control = kmemdup(control, sizeof(*control), GFP_ATOMIC);
+ info->urb = urb;
+ info->dev = dev;
+ usb_fill_bulk_urb(urb, priv->udev, usb_sndbulkpipe(priv->udev, 2),
+ hdr, skb->len, rtl8187_tx_cb, skb);
+ usb_submit_urb(urb, GFP_ATOMIC);
+
+ return 0;
+}
+
+static void rtl8187_rx_cb(struct urb *urb)
+{
+ struct sk_buff *skb = (struct sk_buff *)urb->context;
+ struct rtl8187_rx_info *info = (struct rtl8187_rx_info *)skb->cb;
+ struct ieee80211_hw *dev = info->dev;
+ struct rtl8187_priv *priv = dev->priv;
+ struct rtl8187_rx_hdr *hdr;
+ struct ieee80211_rx_status rx_status = { 0 };
+ int rate, signal;
+ u32 flags;
+
+ spin_lock(&priv->rx_queue.lock);
+ if (skb->next)
+ __skb_unlink(skb, &priv->rx_queue);
+ else {
+ spin_unlock(&priv->rx_queue.lock);
+ return;
+ }
+ spin_unlock(&priv->rx_queue.lock);
+
+ if (unlikely(urb->status)) {
+ usb_free_urb(urb);
+ dev_kfree_skb_irq(skb);
+ return;
+ }
+
+ skb_put(skb, urb->actual_length);
+ hdr = (struct rtl8187_rx_hdr *)(skb_tail_pointer(skb) - sizeof(*hdr));
+ flags = le32_to_cpu(hdr->flags);
+ skb_trim(skb, flags & 0x0FFF);
+
+ signal = hdr->agc >> 1;
+ rate = (flags >> 20) & 0xF;
+ if (rate > 3) { /* OFDM rate */
+ if (signal > 90)
+ signal = 90;
+ else if (signal < 25)
+ signal = 25;
+ signal = 90 - signal;
+ } else { /* CCK rate */
+ if (signal > 95)
+ signal = 95;
+ else if (signal < 30)
+ signal = 30;
+ signal = 95 - signal;
+ }
+
+ rx_status.antenna = (hdr->signal >> 7) & 1;
+ rx_status.signal = 64 - min(hdr->noise, (u8)64);
+ rx_status.ssi = signal;
+ rx_status.rate = rate;
+ rx_status.freq = dev->conf.freq;
+ rx_status.channel = dev->conf.channel;
+ rx_status.phymode = dev->conf.phymode;
+ rx_status.mactime = le64_to_cpu(hdr->mac_time);
+ rx_status.flag |= RX_FLAG_TSFT;
+ if (flags & (1 << 13))
+ rx_status.flag |= RX_FLAG_FAILED_FCS_CRC;
+ ieee80211_rx_irqsafe(dev, skb, &rx_status);
+
+ skb = dev_alloc_skb(RTL8187_MAX_RX);
+ if (unlikely(!skb)) {
+ usb_free_urb(urb);
+ /* TODO check rx queue length and refill *somewhere* */
+ return;
+ }
+
+ info = (struct rtl8187_rx_info *)skb->cb;
+ info->urb = urb;
+ info->dev = dev;
+ urb->transfer_buffer = skb_tail_pointer(skb);
+ urb->context = skb;
+ skb_queue_tail(&priv->rx_queue, skb);
+
+ usb_submit_urb(urb, GFP_ATOMIC);
+}
+
+static int rtl8187_init_urbs(struct ieee80211_hw *dev)
+{
+ struct rtl8187_priv *priv = dev->priv;
+ struct urb *entry;
+ struct sk_buff *skb;
+ struct rtl8187_rx_info *info;
+
+ while (skb_queue_len(&priv->rx_queue) < 8) {
+ skb = __dev_alloc_skb(RTL8187_MAX_RX, GFP_KERNEL);
+ if (!skb)
+ break;
+ entry = usb_alloc_urb(0, GFP_KERNEL);
+ if (!entry) {
+ kfree_skb(skb);
+ break;
+ }
+ usb_fill_bulk_urb(entry, priv->udev,
+ usb_rcvbulkpipe(priv->udev, 1),
+ skb_tail_pointer(skb),
+ RTL8187_MAX_RX, rtl8187_rx_cb, skb);
+ info = (struct rtl8187_rx_info *)skb->cb;
+ info->urb = entry;
+ info->dev = dev;
+ skb_queue_tail(&priv->rx_queue, skb);
+ usb_submit_urb(entry, GFP_KERNEL);
+ }
+
+ return 0;
+}
+
+static int rtl8187_init_hw(struct ieee80211_hw *dev)
+{
+ struct rtl8187_priv *priv = dev->priv;
+ u8 reg;
+ int i;
+
+ /* reset */
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
+ reg = rtl818x_ioread8(priv, &priv->map->CONFIG3);
+ rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg | RTL818X_CONFIG3_ANAPARAM_WRITE);
+ rtl818x_iowrite32(priv, &priv->map->ANAPARAM, RTL8225_ANAPARAM_ON);
+ rtl818x_iowrite32(priv, &priv->map->ANAPARAM2, RTL8225_ANAPARAM2_ON);
+ rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg & ~RTL818X_CONFIG3_ANAPARAM_WRITE);
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
+
+ rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0);
+
+ msleep(200);
+ rtl818x_iowrite8(priv, (u8 *)0xFE18, 0x10);
+ rtl818x_iowrite8(priv, (u8 *)0xFE18, 0x11);
+ rtl818x_iowrite8(priv, (u8 *)0xFE18, 0x00);
+ msleep(200);
+
+ reg = rtl818x_ioread8(priv, &priv->map->CMD);
+ reg &= (1 << 1);
+ reg |= RTL818X_CMD_RESET;
+ rtl818x_iowrite8(priv, &priv->map->CMD, reg);
+
+ i = 10;
+ do {
+ msleep(2);
+ if (!(rtl818x_ioread8(priv, &priv->map->CMD) &
+ RTL818X_CMD_RESET))
+ break;
+ } while (--i);
+
+ if (!i) {
+ printk(KERN_ERR "%s: Reset timeout!\n", wiphy_name(dev->wiphy));
+ return -ETIMEDOUT;
+ }
+
+ /* reload registers from eeprom */
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_LOAD);
+
+ i = 10;
+ do {
+ msleep(4);
+ if (!(rtl818x_ioread8(priv, &priv->map->EEPROM_CMD) &
+ RTL818X_EEPROM_CMD_CONFIG))
+ break;
+ } while (--i);
+
+ if (!i) {
+ printk(KERN_ERR "%s: eeprom reset timeout!\n",
+ wiphy_name(dev->wiphy));
+ return -ETIMEDOUT;
+ }
+
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
+ reg = rtl818x_ioread8(priv, &priv->map->CONFIG3);
+ rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg | RTL818X_CONFIG3_ANAPARAM_WRITE);
+ rtl818x_iowrite32(priv, &priv->map->ANAPARAM, RTL8225_ANAPARAM_ON);
+ rtl818x_iowrite32(priv, &priv->map->ANAPARAM2, RTL8225_ANAPARAM2_ON);
+ rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg & ~RTL818X_CONFIG3_ANAPARAM_WRITE);
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
+
+ /* setup card */
+ rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0);
+ rtl818x_iowrite8(priv, &priv->map->GPIO, 0);
+
+ rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, (4 << 8));
+ rtl818x_iowrite8(priv, &priv->map->GPIO, 1);
+ rtl818x_iowrite8(priv, &priv->map->GP_ENABLE, 0);
+
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
+
+ rtl818x_iowrite16(priv, (__le16 *)0xFFF4, 0xFFFF);
+ reg = rtl818x_ioread8(priv, &priv->map->CONFIG1);
+ reg &= 0x3F;
+ reg |= 0x80;
+ rtl818x_iowrite8(priv, &priv->map->CONFIG1, reg);
+
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
+
+ rtl818x_iowrite32(priv, &priv->map->INT_TIMEOUT, 0);
+ rtl818x_iowrite8(priv, &priv->map->WPA_CONF, 0);
+ rtl818x_iowrite8(priv, &priv->map->RATE_FALLBACK, 0x81);
+
+ // TODO: set RESP_RATE and BRSR properly
+ rtl818x_iowrite8(priv, &priv->map->RESP_RATE, (8 << 4) | 0);
+ rtl818x_iowrite16(priv, &priv->map->BRSR, 0x01F3);
+
+ /* host_usb_init */
+ rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0);
+ rtl818x_iowrite8(priv, &priv->map->GPIO, 0);
+ reg = rtl818x_ioread8(priv, (u8 *)0xFE53);
+ rtl818x_iowrite8(priv, (u8 *)0xFE53, reg | (1 << 7));
+ rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, (4 << 8));
+ rtl818x_iowrite8(priv, &priv->map->GPIO, 0x20);
+ rtl818x_iowrite8(priv, &priv->map->GP_ENABLE, 0);
+ rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, 0x80);
+ rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0x80);
+ rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x80);
+ msleep(100);
+
+ rtl818x_iowrite32(priv, &priv->map->RF_TIMING, 0x000a8008);
+ rtl818x_iowrite16(priv, &priv->map->BRSR, 0xFFFF);
+ rtl818x_iowrite32(priv, &priv->map->RF_PARA, 0x00100044);
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
+ rtl818x_iowrite8(priv, &priv->map->CONFIG3, 0x44);
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
+ rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x1FF7);
+ msleep(100);
+
+ priv->rf->init(dev);
+
+ rtl818x_iowrite16(priv, &priv->map->BRSR, 0x01F3);
+ reg = rtl818x_ioread8(priv, &priv->map->PGSELECT) & ~1;
+ rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg | 1);
+ rtl818x_iowrite16(priv, (__le16 *)0xFFFE, 0x10);
+ rtl818x_iowrite8(priv, &priv->map->TALLY_SEL, 0x80);
+ rtl818x_iowrite8(priv, (u8 *)0xFFFF, 0x60);
+ rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg);
+
+ return 0;
+}
+
+static int rtl8187_start(struct ieee80211_hw *dev)
+{
+ struct rtl8187_priv *priv = dev->priv;
+ u32 reg;
+ int ret;
+
+ ret = rtl8187_init_hw(dev);
+ if (ret)
+ return ret;
+
+ rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0xFFFF);
+
+ rtl818x_iowrite32(priv, &priv->map->MAR[0], ~0);
+ rtl818x_iowrite32(priv, &priv->map->MAR[1], ~0);
+
+ rtl8187_init_urbs(dev);
+
+ reg = RTL818X_RX_CONF_ONLYERLPKT |
+ RTL818X_RX_CONF_RX_AUTORESETPHY |
+ RTL818X_RX_CONF_BSSID |
+ RTL818X_RX_CONF_MGMT |
+ RTL818X_RX_CONF_DATA |
+ (7 << 13 /* RX FIFO threshold NONE */) |
+ (7 << 10 /* MAX RX DMA */) |
+ RTL818X_RX_CONF_BROADCAST |
+ RTL818X_RX_CONF_NICMAC;
+
+ priv->rx_conf = reg;
+ rtl818x_iowrite32(priv, &priv->map->RX_CONF, reg);
+
+ reg = rtl818x_ioread8(priv, &priv->map->CW_CONF);
+ reg &= ~RTL818X_CW_CONF_PERPACKET_CW_SHIFT;
+ reg |= RTL818X_CW_CONF_PERPACKET_RETRY_SHIFT;
+ rtl818x_iowrite8(priv, &priv->map->CW_CONF, reg);
+
+ reg = rtl818x_ioread8(priv, &priv->map->TX_AGC_CTL);
+ reg &= ~RTL818X_TX_AGC_CTL_PERPACKET_GAIN_SHIFT;
+ reg &= ~RTL818X_TX_AGC_CTL_PERPACKET_ANTSEL_SHIFT;
+ reg &= ~RTL818X_TX_AGC_CTL_FEEDBACK_ANT;
+ rtl818x_iowrite8(priv, &priv->map->TX_AGC_CTL, reg);
+
+ reg = RTL818X_TX_CONF_CW_MIN |
+ (7 << 21 /* MAX TX DMA */) |
+ RTL818X_TX_CONF_NO_ICV;
+ rtl818x_iowrite32(priv, &priv->map->TX_CONF, reg);
+
+ reg = rtl818x_ioread8(priv, &priv->map->CMD);
+ reg |= RTL818X_CMD_TX_ENABLE;
+ reg |= RTL818X_CMD_RX_ENABLE;
+ rtl818x_iowrite8(priv, &priv->map->CMD, reg);
+
+ return 0;
+}
+
+static void rtl8187_stop(struct ieee80211_hw *dev)
+{
+ struct rtl8187_priv *priv = dev->priv;
+ struct rtl8187_rx_info *info;
+ struct sk_buff *skb;
+ u32 reg;
+
+ rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0);
+
+ reg = rtl818x_ioread8(priv, &priv->map->CMD);
+ reg &= ~RTL818X_CMD_TX_ENABLE;
+ reg &= ~RTL818X_CMD_RX_ENABLE;
+ rtl818x_iowrite8(priv, &priv->map->CMD, reg);
+
+ priv->rf->stop(dev);
+
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
+ reg = rtl818x_ioread8(priv, &priv->map->CONFIG4);
+ rtl818x_iowrite8(priv, &priv->map->CONFIG4, reg | RTL818X_CONFIG4_VCOOFF);
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
+
+ while ((skb = skb_dequeue(&priv->rx_queue))) {
+ info = (struct rtl8187_rx_info *)skb->cb;
+ usb_kill_urb(info->urb);
+ kfree_skb(skb);
+ }
+ return;
+}
+
+static int rtl8187_add_interface(struct ieee80211_hw *dev,
+ struct ieee80211_if_init_conf *conf)
+{
+ struct rtl8187_priv *priv = dev->priv;
+ int i;
+
+ if (priv->mode != IEEE80211_IF_TYPE_MNTR)
+ return -EOPNOTSUPP;
+
+ switch (conf->type) {
+ case IEEE80211_IF_TYPE_STA:
+ priv->mode = conf->type;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ priv->vif = conf->vif;
+
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
+ for (i = 0; i < ETH_ALEN; i++)
+ rtl818x_iowrite8(priv, &priv->map->MAC[i],
+ ((u8 *)conf->mac_addr)[i]);
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
+
+ return 0;
+}
+
+static void rtl8187_remove_interface(struct ieee80211_hw *dev,
+ struct ieee80211_if_init_conf *conf)
+{
+ struct rtl8187_priv *priv = dev->priv;
+ priv->mode = IEEE80211_IF_TYPE_MNTR;
+ priv->vif = NULL;
+}
+
+static int rtl8187_config(struct ieee80211_hw *dev, struct ieee80211_conf *conf)
+{
+ struct rtl8187_priv *priv = dev->priv;
+ u32 reg;
+
+ reg = rtl818x_ioread32(priv, &priv->map->TX_CONF);
+ /* Enable TX loopback on MAC level to avoid TX during channel
+ * changes, as this has be seen to causes problems and the
+ * card will stop work until next reset
+ */
+ rtl818x_iowrite32(priv, &priv->map->TX_CONF,
+ reg | RTL818X_TX_CONF_LOOPBACK_MAC);
+ msleep(10);
+ priv->rf->set_chan(dev, conf);
+ msleep(10);
+ rtl818x_iowrite32(priv, &priv->map->TX_CONF, reg);
+
+ rtl818x_iowrite8(priv, &priv->map->SIFS, 0x22);
+
+ if (conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME) {
+ rtl818x_iowrite8(priv, &priv->map->SLOT, 0x9);
+ rtl818x_iowrite8(priv, &priv->map->DIFS, 0x14);
+ rtl818x_iowrite8(priv, &priv->map->EIFS, 91 - 0x14);
+ rtl818x_iowrite8(priv, &priv->map->CW_VAL, 0x73);
+ } else {
+ rtl818x_iowrite8(priv, &priv->map->SLOT, 0x14);
+ rtl818x_iowrite8(priv, &priv->map->DIFS, 0x24);
+ rtl818x_iowrite8(priv, &priv->map->EIFS, 91 - 0x24);
+ rtl818x_iowrite8(priv, &priv->map->CW_VAL, 0xa5);
+ }
+
+ rtl818x_iowrite16(priv, &priv->map->ATIM_WND, 2);
+ rtl818x_iowrite16(priv, &priv->map->ATIMTR_INTERVAL, 100);
+ rtl818x_iowrite16(priv, &priv->map->BEACON_INTERVAL, 100);
+ rtl818x_iowrite16(priv, &priv->map->BEACON_INTERVAL_TIME, 100);
+ return 0;
+}
+
+static int rtl8187_config_interface(struct ieee80211_hw *dev,
+ struct ieee80211_vif *vif,
+ struct ieee80211_if_conf *conf)
+{
+ struct rtl8187_priv *priv = dev->priv;
+ int i;
+
+ for (i = 0; i < ETH_ALEN; i++)
+ rtl818x_iowrite8(priv, &priv->map->BSSID[i], conf->bssid[i]);
+
+ if (is_valid_ether_addr(conf->bssid))
+ rtl818x_iowrite8(priv, &priv->map->MSR, RTL818X_MSR_INFRA);
+ else
+ rtl818x_iowrite8(priv, &priv->map->MSR, RTL818X_MSR_NO_LINK);
+
+ return 0;
+}
+
+static void rtl8187_configure_filter(struct ieee80211_hw *dev,
+ unsigned int changed_flags,
+ unsigned int *total_flags,
+ int mc_count, struct dev_addr_list *mclist)
+{
+ struct rtl8187_priv *priv = dev->priv;
+
+ if (changed_flags & FIF_FCSFAIL)
+ priv->rx_conf ^= RTL818X_RX_CONF_FCS;
+ if (changed_flags & FIF_CONTROL)
+ priv->rx_conf ^= RTL818X_RX_CONF_CTRL;
+ if (changed_flags & FIF_OTHER_BSS)
+ priv->rx_conf ^= RTL818X_RX_CONF_MONITOR;
+ if (*total_flags & FIF_ALLMULTI || mc_count > 0)
+ priv->rx_conf |= RTL818X_RX_CONF_MULTICAST;
+ else
+ priv->rx_conf &= ~RTL818X_RX_CONF_MULTICAST;
+
+ *total_flags = 0;
+
+ if (priv->rx_conf & RTL818X_RX_CONF_FCS)
+ *total_flags |= FIF_FCSFAIL;
+ if (priv->rx_conf & RTL818X_RX_CONF_CTRL)
+ *total_flags |= FIF_CONTROL;
+ if (priv->rx_conf & RTL818X_RX_CONF_MONITOR)
+ *total_flags |= FIF_OTHER_BSS;
+ if (priv->rx_conf & RTL818X_RX_CONF_MULTICAST)
+ *total_flags |= FIF_ALLMULTI;
+
+ rtl818x_iowrite32_async(priv, &priv->map->RX_CONF, priv->rx_conf);
+}
+
+static const struct ieee80211_ops rtl8187_ops = {
+ .tx = rtl8187_tx,
+ .start = rtl8187_start,
+ .stop = rtl8187_stop,
+ .add_interface = rtl8187_add_interface,
+ .remove_interface = rtl8187_remove_interface,
+ .config = rtl8187_config,
+ .config_interface = rtl8187_config_interface,
+ .configure_filter = rtl8187_configure_filter,
+};
+
+static void rtl8187_eeprom_register_read(struct eeprom_93cx6 *eeprom)
+{
+ struct ieee80211_hw *dev = eeprom->data;
+ struct rtl8187_priv *priv = dev->priv;
+ u8 reg = rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
+
+ eeprom->reg_data_in = reg & RTL818X_EEPROM_CMD_WRITE;
+ eeprom->reg_data_out = reg & RTL818X_EEPROM_CMD_READ;
+ eeprom->reg_data_clock = reg & RTL818X_EEPROM_CMD_CK;
+ eeprom->reg_chip_select = reg & RTL818X_EEPROM_CMD_CS;
+}
+
+static void rtl8187_eeprom_register_write(struct eeprom_93cx6 *eeprom)
+{
+ struct ieee80211_hw *dev = eeprom->data;
+ struct rtl8187_priv *priv = dev->priv;
+ u8 reg = RTL818X_EEPROM_CMD_PROGRAM;
+
+ if (eeprom->reg_data_in)
+ reg |= RTL818X_EEPROM_CMD_WRITE;
+ if (eeprom->reg_data_out)
+ reg |= RTL818X_EEPROM_CMD_READ;
+ if (eeprom->reg_data_clock)
+ reg |= RTL818X_EEPROM_CMD_CK;
+ if (eeprom->reg_chip_select)
+ reg |= RTL818X_EEPROM_CMD_CS;
+
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, reg);
+ udelay(10);
+}
+
+static int __devinit rtl8187_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ struct usb_device *udev = interface_to_usbdev(intf);
+ struct ieee80211_hw *dev;
+ struct rtl8187_priv *priv;
+ struct eeprom_93cx6 eeprom;
+ struct ieee80211_channel *channel;
+ u16 txpwr, reg;
+ int err, i;
+ DECLARE_MAC_BUF(mac);
+
+ dev = ieee80211_alloc_hw(sizeof(*priv), &rtl8187_ops);
+ if (!dev) {
+ printk(KERN_ERR "rtl8187: ieee80211 alloc failed\n");
+ return -ENOMEM;
+ }
+
+ priv = dev->priv;
+
+ SET_IEEE80211_DEV(dev, &intf->dev);
+ usb_set_intfdata(intf, dev);
+ priv->udev = udev;
+
+ usb_get_dev(udev);
+
+ skb_queue_head_init(&priv->rx_queue);
+ memcpy(priv->channels, rtl818x_channels, sizeof(rtl818x_channels));
+ memcpy(priv->rates, rtl818x_rates, sizeof(rtl818x_rates));
+ priv->map = (struct rtl818x_csr *)0xFF00;
+ priv->modes[0].mode = MODE_IEEE80211G;
+ priv->modes[0].num_rates = ARRAY_SIZE(rtl818x_rates);
+ priv->modes[0].rates = priv->rates;
+ priv->modes[0].num_channels = ARRAY_SIZE(rtl818x_channels);
+ priv->modes[0].channels = priv->channels;
+ priv->modes[1].mode = MODE_IEEE80211B;
+ priv->modes[1].num_rates = 4;
+ priv->modes[1].rates = priv->rates;
+ priv->modes[1].num_channels = ARRAY_SIZE(rtl818x_channels);
+ priv->modes[1].channels = priv->channels;
+ priv->mode = IEEE80211_IF_TYPE_MNTR;
+ dev->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
+ IEEE80211_HW_RX_INCLUDES_FCS;
+ dev->extra_tx_headroom = sizeof(struct rtl8187_tx_hdr);
+ dev->queues = 1;
+ dev->max_rssi = 65;
+ dev->max_signal = 64;
+
+ for (i = 0; i < 2; i++)
+ if ((err = ieee80211_register_hwmode(dev, &priv->modes[i])))
+ goto err_free_dev;
+
+ eeprom.data = dev;
+ eeprom.register_read = rtl8187_eeprom_register_read;
+ eeprom.register_write = rtl8187_eeprom_register_write;
+ if (rtl818x_ioread32(priv, &priv->map->RX_CONF) & (1 << 6))
+ eeprom.width = PCI_EEPROM_WIDTH_93C66;
+ else
+ eeprom.width = PCI_EEPROM_WIDTH_93C46;
+
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
+ udelay(10);
+
+ eeprom_93cx6_multiread(&eeprom, RTL8187_EEPROM_MAC_ADDR,
+ (__le16 __force *)dev->wiphy->perm_addr, 3);
+ if (!is_valid_ether_addr(dev->wiphy->perm_addr)) {
+ printk(KERN_WARNING "rtl8187: Invalid hwaddr! Using randomly "
+ "generated MAC address\n");
+ random_ether_addr(dev->wiphy->perm_addr);
+ }
+
+ channel = priv->channels;
+ for (i = 0; i < 3; i++) {
+ eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_TXPWR_CHAN_1 + i,
+ &txpwr);
+ (*channel++).val = txpwr & 0xFF;
+ (*channel++).val = txpwr >> 8;
+ }
+ for (i = 0; i < 2; i++) {
+ eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_TXPWR_CHAN_4 + i,
+ &txpwr);
+ (*channel++).val = txpwr & 0xFF;
+ (*channel++).val = txpwr >> 8;
+ }
+ for (i = 0; i < 2; i++) {
+ eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_TXPWR_CHAN_6 + i,
+ &txpwr);
+ (*channel++).val = txpwr & 0xFF;
+ (*channel++).val = txpwr >> 8;
+ }
+
+ eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_TXPWR_BASE,
+ &priv->txpwr_base);
+
+ reg = rtl818x_ioread8(priv, &priv->map->PGSELECT) & ~1;
+ rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg | 1);
+ /* 0 means asic B-cut, we should use SW 3 wire
+ * bit-by-bit banging for radio. 1 means we can use
+ * USB specific request to write radio registers */
+ priv->asic_rev = rtl818x_ioread8(priv, (u8 *)0xFFFE) & 0x3;
+ rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg);
+ rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
+
+ priv->rf = rtl8187_detect_rf(dev);
+
+ err = ieee80211_register_hw(dev);
+ if (err) {
+ printk(KERN_ERR "rtl8187: Cannot register device\n");
+ goto err_free_dev;
+ }
+
+ printk(KERN_INFO "%s: hwaddr %s, rtl8187 V%d + %s\n",
+ wiphy_name(dev->wiphy), print_mac(mac, dev->wiphy->perm_addr),
+ priv->asic_rev, priv->rf->name);
+
+ return 0;
+
+ err_free_dev:
+ ieee80211_free_hw(dev);
+ usb_set_intfdata(intf, NULL);
+ usb_put_dev(udev);
+ return err;
+}
+
+static void __devexit rtl8187_disconnect(struct usb_interface *intf)
+{
+ struct ieee80211_hw *dev = usb_get_intfdata(intf);
+ struct rtl8187_priv *priv;
+
+ if (!dev)
+ return;
+
+ ieee80211_unregister_hw(dev);
+
+ priv = dev->priv;
+ usb_put_dev(interface_to_usbdev(intf));
+ ieee80211_free_hw(dev);
+}
+
+static struct usb_driver rtl8187_driver = {
+ .name = KBUILD_MODNAME,
+ .id_table = rtl8187_table,
+ .probe = rtl8187_probe,
+ .disconnect = rtl8187_disconnect,
+};
+
+static int __init rtl8187_init(void)
+{
+ return usb_register(&rtl8187_driver);
+}
+
+static void __exit rtl8187_exit(void)
+{
+ usb_deregister(&rtl8187_driver);
+}
+
+module_init(rtl8187_init);
+module_exit(rtl8187_exit);