Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
[pandora-kernel.git] / drivers / net / wireless / rtl8187_dev.c
index 9223ada..d3067b1 100644 (file)
 
 MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>");
 MODULE_AUTHOR("Andrea Merello <andreamrl@tiscali.it>");
-MODULE_DESCRIPTION("RTL8187 USB wireless driver");
+MODULE_DESCRIPTION("RTL8187/RTL8187B USB wireless driver");
 MODULE_LICENSE("GPL");
 
 static struct usb_device_id rtl8187_table[] __devinitdata = {
        /* Realtek */
-       {USB_DEVICE(0x0bda, 0x8187)},
+       {USB_DEVICE(0x0bda, 0x8187), .driver_info = DEVICE_RTL8187},
+       {USB_DEVICE(0x0bda, 0x8189), .driver_info = DEVICE_RTL8187B},
+       {USB_DEVICE(0x0bda, 0x8197), .driver_info = DEVICE_RTL8187B},
        /* Netgear */
-       {USB_DEVICE(0x0846, 0x6100)},
-       {USB_DEVICE(0x0846, 0x6a00)},
+       {USB_DEVICE(0x0846, 0x6100), .driver_info = DEVICE_RTL8187},
+       {USB_DEVICE(0x0846, 0x6a00), .driver_info = DEVICE_RTL8187},
        /* HP */
-       {USB_DEVICE(0x03f0, 0xca02)},
+       {USB_DEVICE(0x03f0, 0xca02), .driver_info = DEVICE_RTL8187},
        /* Sitecom */
-       {USB_DEVICE(0x0df6, 0x000d)},
+       {USB_DEVICE(0x0df6, 0x000d), .driver_info = DEVICE_RTL8187},
        {}
 };
 
@@ -150,27 +152,25 @@ void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data)
 
 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);
+       struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+       struct ieee80211_hw *hw = info->driver_data[0];
+       struct rtl8187_priv *priv = hw->priv;
+
+       usb_free_urb(info->driver_data[1]);
+       skb_pull(skb, priv->is_rtl8187b ? sizeof(struct rtl8187b_tx_hdr) :
+                                         sizeof(struct rtl8187_tx_hdr));
+       memset(&info->status, 0, sizeof(info->status));
+       info->flags |= IEEE80211_TX_STAT_ACK;
+       ieee80211_tx_status_irqsafe(hw, skb);
 }
 
-static int rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb,
-                     struct ieee80211_tx_control *control)
+static int rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
 {
        struct rtl8187_priv *priv = dev->priv;
-       struct rtl8187_tx_hdr *hdr;
-       struct rtl8187_tx_info *info;
+       struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+       unsigned int ep;
+       void *buf;
        struct urb *urb;
        __le16 rts_dur = 0;
        u32 flags;
@@ -185,35 +185,60 @@ static int rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb,
        flags = skb->len;
        flags |= RTL8187_TX_FLAG_NO_ENCRYPT;
 
-       BUG_ON(!control->tx_rate);
-
-       flags |= control->tx_rate->hw_value << 24;
-       if (ieee80211_get_morefrag((struct ieee80211_hdr *)skb->data))
+       flags |= ieee80211_get_tx_rate(dev, info)->hw_value << 24;
+       if (ieee80211_has_morefrags(((struct ieee80211_hdr *)skb->data)->frame_control))
                flags |= RTL8187_TX_FLAG_MORE_FRAG;
-       if (control->flags & IEEE80211_TXCTL_USE_RTS_CTS) {
-               BUG_ON(!control->rts_cts_rate);
+       if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) {
                flags |= RTL8187_TX_FLAG_RTS;
-               flags |= control->rts_cts_rate->hw_value << 19;
+               flags |= ieee80211_get_rts_cts_rate(dev, info)->hw_value << 19;
                rts_dur = ieee80211_rts_duration(dev, priv->vif,
-                                                skb->len, control);
-       } else if (control->flags & IEEE80211_TXCTL_USE_CTS_PROTECT) {
-               BUG_ON(!control->rts_cts_rate);
+                                                skb->len, info);
+       } else if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) {
                flags |= RTL8187_TX_FLAG_CTS;
-               flags |= control->rts_cts_rate->hw_value << 19;
+               flags |= ieee80211_get_rts_cts_rate(dev, info)->hw_value << 19;
        }
 
-       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);
+       if (!priv->is_rtl8187b) {
+               struct rtl8187_tx_hdr *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(info->control.retry_limit << 8);
+               buf = hdr;
 
-       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);
+               ep = 2;
+       } else {
+               /* fc needs to be calculated before skb_push() */
+               unsigned int epmap[4] = { 6, 7, 5, 4 };
+               struct ieee80211_hdr *tx_hdr =
+                       (struct ieee80211_hdr *)(skb->data);
+               u16 fc = le16_to_cpu(tx_hdr->frame_control);
+
+               struct rtl8187b_tx_hdr *hdr =
+                       (struct rtl8187b_tx_hdr *)skb_push(skb, sizeof(*hdr));
+               struct ieee80211_rate *txrate =
+                       ieee80211_get_tx_rate(dev, info);
+               memset(hdr, 0, sizeof(*hdr));
+               hdr->flags = cpu_to_le32(flags);
+               hdr->rts_duration = rts_dur;
+               hdr->retry = cpu_to_le32(info->control.retry_limit << 8);
+               hdr->tx_duration =
+                       ieee80211_generic_frame_duration(dev, priv->vif,
+                                                        skb->len, txrate);
+               buf = hdr;
+
+               if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT)
+                       ep = 12;
+               else
+                       ep = epmap[skb_get_queue_mapping(skb)];
+       }
+
+       info->driver_data[0] = dev;
+       info->driver_data[1] = urb;
+
+       usb_fill_bulk_urb(urb, priv->udev, usb_sndbulkpipe(priv->udev, ep),
+                         buf, skb->len, rtl8187_tx_cb, skb);
        rc = usb_submit_urb(urb, GFP_ATOMIC);
        if (rc < 0) {
                usb_free_urb(urb);
@@ -229,7 +254,6 @@ static void rtl8187_rx_cb(struct urb *urb)
        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;
@@ -250,11 +274,33 @@ static void rtl8187_rx_cb(struct urb *urb)
        }
 
        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);
+       if (!priv->is_rtl8187b) {
+               struct rtl8187_rx_hdr *hdr =
+                       (typeof(hdr))(skb_tail_pointer(skb) - sizeof(*hdr));
+               flags = le32_to_cpu(hdr->flags);
+               signal = hdr->signal & 0x7f;
+               rx_status.antenna = (hdr->signal >> 7) & 1;
+               rx_status.signal = signal;
+               rx_status.noise = hdr->noise;
+               rx_status.mactime = le64_to_cpu(hdr->mac_time);
+               priv->signal = signal;
+               priv->quality = signal;
+               priv->noise = hdr->noise;
+       } else {
+               struct rtl8187b_rx_hdr *hdr =
+                       (typeof(hdr))(skb_tail_pointer(skb) - sizeof(*hdr));
+               flags = le32_to_cpu(hdr->flags);
+               signal = hdr->agc >> 1;
+               rx_status.antenna = (hdr->signal >> 7) & 1;
+               rx_status.signal = 64 - min(hdr->noise, (u8)64);
+               rx_status.noise = hdr->noise;
+               rx_status.mactime = le64_to_cpu(hdr->mac_time);
+               priv->signal = hdr->signal;
+               priv->quality = hdr->agc >> 1;
+               priv->noise = hdr->noise;
+       }
 
-       signal = hdr->agc >> 1;
+       skb_trim(skb, flags & 0x0FFF);
        rate = (flags >> 20) & 0xF;
        if (rate > 3) { /* OFDM rate */
                if (signal > 90)
@@ -270,13 +316,11 @@ static void rtl8187_rx_cb(struct urb *urb)
                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.qual = priv->quality;
+       rx_status.signal = signal;
        rx_status.rate_idx = rate;
        rx_status.freq = dev->conf.channel->center_freq;
        rx_status.band = dev->conf.channel->band;
-       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;
@@ -316,7 +360,8 @@ static int rtl8187_init_urbs(struct ieee80211_hw *dev)
                        break;
                }
                usb_fill_bulk_urb(entry, priv->udev,
-                                 usb_rcvbulkpipe(priv->udev, 1),
+                                 usb_rcvbulkpipe(priv->udev,
+                                 priv->is_rtl8187b ? 3 : 1),
                                  skb_tail_pointer(skb),
                                  RTL8187_MAX_RX, rtl8187_rx_cb, skb);
                info = (struct rtl8187_rx_info *)skb->cb;
@@ -329,29 +374,12 @@ static int rtl8187_init_urbs(struct ieee80211_hw *dev)
        return 0;
 }
 
-static int rtl8187_init_hw(struct ieee80211_hw *dev)
+static int rtl8187_cmd_reset(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;
@@ -387,12 +415,52 @@ static int rtl8187_init_hw(struct ieee80211_hw *dev)
                return -ETIMEDOUT;
        }
 
+       return 0;
+}
+
+static int rtl8187_init_hw(struct ieee80211_hw *dev)
+{
+       struct rtl8187_priv *priv = dev->priv;
+       u8 reg;
+       int res;
+
+       /* 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,
+                         RTL8187_RTL8225_ANAPARAM_ON);
+       rtl818x_iowrite32(priv, &priv->map->ANAPARAM2,
+                         RTL8187_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);
+
+       res = rtl8187_cmd_reset(dev);
+       if (res)
+               return res;
+
        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->CONFIG3,
+                       reg | RTL818X_CONFIG3_ANAPARAM_WRITE);
+       rtl818x_iowrite32(priv, &priv->map->ANAPARAM,
+                         RTL8187_RTL8225_ANAPARAM_ON);
+       rtl818x_iowrite32(priv, &priv->map->ANAPARAM2,
+                         RTL8187_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 */
@@ -437,9 +505,11 @@ static int rtl8187_init_hw(struct ieee80211_hw *dev)
        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->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_iowrite8(priv, &priv->map->EEPROM_CMD,
+                        RTL818X_EEPROM_CMD_NORMAL);
        rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x1FF7);
        msleep(100);
 
@@ -456,16 +526,201 @@ static int rtl8187_init_hw(struct ieee80211_hw *dev)
        return 0;
 }
 
+static const u8 rtl8187b_reg_table[][3] = {
+       {0xF0, 0x32, 0}, {0xF1, 0x32, 0}, {0xF2, 0x00, 0}, {0xF3, 0x00, 0},
+       {0xF4, 0x32, 0}, {0xF5, 0x43, 0}, {0xF6, 0x00, 0}, {0xF7, 0x00, 0},
+       {0xF8, 0x46, 0}, {0xF9, 0xA4, 0}, {0xFA, 0x00, 0}, {0xFB, 0x00, 0},
+       {0xFC, 0x96, 0}, {0xFD, 0xA4, 0}, {0xFE, 0x00, 0}, {0xFF, 0x00, 0},
+
+       {0x58, 0x4B, 1}, {0x59, 0x00, 1}, {0x5A, 0x4B, 1}, {0x5B, 0x00, 1},
+       {0x60, 0x4B, 1}, {0x61, 0x09, 1}, {0x62, 0x4B, 1}, {0x63, 0x09, 1},
+       {0xCE, 0x0F, 1}, {0xCF, 0x00, 1}, {0xE0, 0xFF, 1}, {0xE1, 0x0F, 1},
+       {0xE2, 0x00, 1}, {0xF0, 0x4E, 1}, {0xF1, 0x01, 1}, {0xF2, 0x02, 1},
+       {0xF3, 0x03, 1}, {0xF4, 0x04, 1}, {0xF5, 0x05, 1}, {0xF6, 0x06, 1},
+       {0xF7, 0x07, 1}, {0xF8, 0x08, 1},
+
+       {0x4E, 0x00, 2}, {0x0C, 0x04, 2}, {0x21, 0x61, 2}, {0x22, 0x68, 2},
+       {0x23, 0x6F, 2}, {0x24, 0x76, 2}, {0x25, 0x7D, 2}, {0x26, 0x84, 2},
+       {0x27, 0x8D, 2}, {0x4D, 0x08, 2}, {0x50, 0x05, 2}, {0x51, 0xF5, 2},
+       {0x52, 0x04, 2}, {0x53, 0xA0, 2}, {0x54, 0x1F, 2}, {0x55, 0x23, 2},
+       {0x56, 0x45, 2}, {0x57, 0x67, 2}, {0x58, 0x08, 2}, {0x59, 0x08, 2},
+       {0x5A, 0x08, 2}, {0x5B, 0x08, 2}, {0x60, 0x08, 2}, {0x61, 0x08, 2},
+       {0x62, 0x08, 2}, {0x63, 0x08, 2}, {0x64, 0xCF, 2}, {0x72, 0x56, 2},
+       {0x73, 0x9A, 2},
+
+       {0x34, 0xF0, 0}, {0x35, 0x0F, 0}, {0x5B, 0x40, 0}, {0x84, 0x88, 0},
+       {0x85, 0x24, 0}, {0x88, 0x54, 0}, {0x8B, 0xB8, 0}, {0x8C, 0x07, 0},
+       {0x8D, 0x00, 0}, {0x94, 0x1B, 0}, {0x95, 0x12, 0}, {0x96, 0x00, 0},
+       {0x97, 0x06, 0}, {0x9D, 0x1A, 0}, {0x9F, 0x10, 0}, {0xB4, 0x22, 0},
+       {0xBE, 0x80, 0}, {0xDB, 0x00, 0}, {0xEE, 0x00, 0}, {0x91, 0x03, 0},
+
+       {0x4C, 0x00, 2}, {0x9F, 0x00, 3}, {0x8C, 0x01, 0}, {0x8D, 0x10, 0},
+       {0x8E, 0x08, 0}, {0x8F, 0x00, 0}
+};
+
+static int rtl8187b_init_hw(struct ieee80211_hw *dev)
+{
+       struct rtl8187_priv *priv = dev->priv;
+       int res, i;
+       u8 reg;
+
+       rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+                        RTL818X_EEPROM_CMD_CONFIG);
+
+       reg = rtl818x_ioread8(priv, &priv->map->CONFIG3);
+       reg |= RTL818X_CONFIG3_ANAPARAM_WRITE | RTL818X_CONFIG3_GNT_SELECT;
+       rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg);
+       rtl818x_iowrite32(priv, &priv->map->ANAPARAM2,
+                         RTL8187B_RTL8225_ANAPARAM2_ON);
+       rtl818x_iowrite32(priv, &priv->map->ANAPARAM,
+                         RTL8187B_RTL8225_ANAPARAM_ON);
+       rtl818x_iowrite8(priv, &priv->map->ANAPARAM3,
+                        RTL8187B_RTL8225_ANAPARAM3_ON);
+
+       rtl818x_iowrite8(priv, (u8 *)0xFF61, 0x10);
+       reg = rtl818x_ioread8(priv, (u8 *)0xFF62);
+       rtl818x_iowrite8(priv, (u8 *)0xFF62, reg & ~(1 << 5));
+       rtl818x_iowrite8(priv, (u8 *)0xFF62, reg | (1 << 5));
+
+       reg = rtl818x_ioread8(priv, &priv->map->CONFIG3);
+       reg &= ~RTL818X_CONFIG3_ANAPARAM_WRITE;
+       rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg);
+
+       rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+                        RTL818X_EEPROM_CMD_NORMAL);
+
+       res = rtl8187_cmd_reset(dev);
+       if (res)
+               return res;
+
+       rtl818x_iowrite16(priv, (__le16 *)0xFF2D, 0x0FFF);
+       reg = rtl818x_ioread8(priv, &priv->map->CW_CONF);
+       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 |
+              RTL818X_TX_AGC_CTL_PERPACKET_ANTSEL_SHIFT;
+       rtl818x_iowrite8(priv, &priv->map->TX_AGC_CTL, reg);
+
+       rtl818x_iowrite16_idx(priv, (__le16 *)0xFFE0, 0x0FFF, 1);
+       reg = rtl818x_ioread8(priv, &priv->map->RATE_FALLBACK);
+       reg |= RTL818X_RATE_FALLBACK_ENABLE;
+       rtl818x_iowrite8(priv, &priv->map->RATE_FALLBACK, reg);
+
+       rtl818x_iowrite16(priv, &priv->map->BEACON_INTERVAL, 100);
+       rtl818x_iowrite16(priv, &priv->map->ATIM_WND, 2);
+       rtl818x_iowrite16_idx(priv, (__le16 *)0xFFD4, 0xFFFF, 1);
+
+       rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+                        RTL818X_EEPROM_CMD_CONFIG);
+       reg = rtl818x_ioread8(priv, &priv->map->CONFIG1);
+       rtl818x_iowrite8(priv, &priv->map->CONFIG1, (reg & 0x3F) | 0x80);
+       rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+                        RTL818X_EEPROM_CMD_NORMAL);
+
+       rtl818x_iowrite8(priv, &priv->map->WPA_CONF, 0);
+       for (i = 0; i < ARRAY_SIZE(rtl8187b_reg_table); i++) {
+               rtl818x_iowrite8_idx(priv,
+                                    (u8 *)(uintptr_t)
+                                    (rtl8187b_reg_table[i][0] | 0xFF00),
+                                    rtl8187b_reg_table[i][1],
+                                    rtl8187b_reg_table[i][2]);
+       }
+
+       rtl818x_iowrite16(priv, &priv->map->TID_AC_MAP, 0xFA50);
+       rtl818x_iowrite16(priv, &priv->map->INT_MIG, 0);
+
+       rtl818x_iowrite32_idx(priv, (__le32 *)0xFFF0, 0, 1);
+       rtl818x_iowrite32_idx(priv, (__le32 *)0xFFF4, 0, 1);
+       rtl818x_iowrite8_idx(priv, (u8 *)0xFFF8, 0, 1);
+
+       rtl818x_iowrite32(priv, &priv->map->RF_TIMING, 0x00004001);
+
+       rtl818x_iowrite16_idx(priv, (__le16 *)0xFF72, 0x569A, 2);
+
+       rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+                        RTL818X_EEPROM_CMD_CONFIG);
+       reg = rtl818x_ioread8(priv, &priv->map->CONFIG3);
+       reg |= RTL818X_CONFIG3_ANAPARAM_WRITE;
+       rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg);
+       rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
+                        RTL818X_EEPROM_CMD_NORMAL);
+
+       rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, 0x0480);
+       rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0x2488);
+       rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x1FFF);
+       msleep(1100);
+
+       priv->rf->init(dev);
+
+       reg = RTL818X_CMD_TX_ENABLE | RTL818X_CMD_RX_ENABLE;
+       rtl818x_iowrite8(priv, &priv->map->CMD, reg);
+       rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0xFFFF);
+
+       rtl818x_iowrite8(priv, (u8 *)0xFE41, 0xF4);
+       rtl818x_iowrite8(priv, (u8 *)0xFE40, 0x00);
+       rtl818x_iowrite8(priv, (u8 *)0xFE42, 0x00);
+       rtl818x_iowrite8(priv, (u8 *)0xFE42, 0x01);
+       rtl818x_iowrite8(priv, (u8 *)0xFE40, 0x0F);
+       rtl818x_iowrite8(priv, (u8 *)0xFE42, 0x00);
+       rtl818x_iowrite8(priv, (u8 *)0xFE42, 0x01);
+
+       reg = rtl818x_ioread8(priv, (u8 *)0xFFDB);
+       rtl818x_iowrite8(priv, (u8 *)0xFFDB, reg | (1 << 2));
+       rtl818x_iowrite16_idx(priv, (__le16 *)0xFF72, 0x59FA, 3);
+       rtl818x_iowrite16_idx(priv, (__le16 *)0xFF74, 0x59D2, 3);
+       rtl818x_iowrite16_idx(priv, (__le16 *)0xFF76, 0x59D2, 3);
+       rtl818x_iowrite16_idx(priv, (__le16 *)0xFF78, 0x19FA, 3);
+       rtl818x_iowrite16_idx(priv, (__le16 *)0xFF7A, 0x19FA, 3);
+       rtl818x_iowrite16_idx(priv, (__le16 *)0xFF7C, 0x00D0, 3);
+       rtl818x_iowrite8(priv, (u8 *)0xFF61, 0);
+       rtl818x_iowrite8_idx(priv, (u8 *)0xFF80, 0x0F, 1);
+       rtl818x_iowrite8_idx(priv, (u8 *)0xFF83, 0x03, 1);
+       rtl818x_iowrite8(priv, (u8 *)0xFFDA, 0x10);
+       rtl818x_iowrite8_idx(priv, (u8 *)0xFF4D, 0x08, 2);
+
+       rtl818x_iowrite32(priv, &priv->map->HSSI_PARA, 0x0600321B);
+
+       rtl818x_iowrite16_idx(priv, (__le16 *)0xFFEC, 0x0800, 1);
+
+       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);
+       ret = (!priv->is_rtl8187b) ? rtl8187_init_hw(dev) :
+                                    rtl8187b_init_hw(dev);
        if (ret)
                return ret;
 
+       if (priv->is_rtl8187b) {
+               reg = RTL818X_RX_CONF_MGMT |
+                     RTL818X_RX_CONF_DATA |
+                     RTL818X_RX_CONF_BROADCAST |
+                     RTL818X_RX_CONF_NICMAC |
+                     RTL818X_RX_CONF_BSSID |
+                     (7 << 13 /* RX FIFO threshold NONE */) |
+                     (7 << 10 /* MAX RX DMA */) |
+                     RTL818X_RX_CONF_RX_AUTORESETPHY |
+                     RTL818X_RX_CONF_ONLYERLPKT |
+                     RTL818X_RX_CONF_MULTICAST;
+               priv->rx_conf = reg;
+               rtl818x_iowrite32(priv, &priv->map->RX_CONF, reg);
+
+               rtl818x_iowrite32(priv, &priv->map->TX_CONF,
+                                 RTL818X_TX_CONF_HW_SEQNUM |
+                                 RTL818X_TX_CONF_DISREQQSIZE |
+                                 (7 << 8  /* short retry limit */) |
+                                 (7 << 0  /* long retry limit */) |
+                                 (7 << 21 /* MAX TX DMA */));
+               rtl8187_init_urbs(dev);
+               return 0;
+       }
+
        rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0xFFFF);
 
        rtl818x_iowrite32(priv, &priv->map->MAR[0], ~0);
@@ -592,18 +847,20 @@ static int rtl8187_config(struct ieee80211_hw *dev, struct ieee80211_conf *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);
+       if (!priv->is_rtl8187b) {
+               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);
@@ -619,14 +876,20 @@ static int rtl8187_config_interface(struct ieee80211_hw *dev,
 {
        struct rtl8187_priv *priv = dev->priv;
        int i;
+       u8 reg;
 
        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);
+       if (is_valid_ether_addr(conf->bssid)) {
+               reg = RTL818X_MSR_INFRA;
+               if (priv->is_rtl8187b)
+                       reg |= RTL818X_MSR_ENEDCA;
+               rtl818x_iowrite8(priv, &priv->map->MSR, reg);
+       } else {
+               reg = RTL818X_MSR_NO_LINK;
+               rtl818x_iowrite8(priv, &priv->map->MSR, reg);
+       }
 
        return 0;
 }
@@ -713,6 +976,7 @@ static int __devinit rtl8187_probe(struct usb_interface *intf,
        struct rtl8187_priv *priv;
        struct eeprom_93cx6 eeprom;
        struct ieee80211_channel *channel;
+       const char *chip_name;
        u16 txpwr, reg;
        int err, i;
        DECLARE_MAC_BUF(mac);
@@ -724,6 +988,7 @@ static int __devinit rtl8187_probe(struct usb_interface *intf,
        }
 
        priv = dev->priv;
+       priv->is_rtl8187b = (id->driver_info == DEVICE_RTL8187B);
 
        SET_IEEE80211_DEV(dev, &intf->dev);
        usb_set_intfdata(intf, dev);
@@ -750,11 +1015,9 @@ static int __devinit rtl8187_probe(struct usb_interface *intf,
 
        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;
+                    IEEE80211_HW_RX_INCLUDES_FCS |
+                    IEEE80211_HW_SIGNAL_UNSPEC;
+       dev->max_signal = 65;
 
        eeprom.data = dev;
        eeprom.register_read = rtl8187_eeprom_register_read;
@@ -788,12 +1051,6 @@ static int __devinit rtl8187_probe(struct usb_interface *intf,
                (*channel++).hw_value = txpwr & 0xFF;
                (*channel++).hw_value = txpwr >> 8;
        }
-       for (i = 0; i < 2; i++) {
-               eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_TXPWR_CHAN_6 + i,
-                                 &txpwr);
-               (*channel++).hw_value = txpwr & 0xFF;
-               (*channel++).hw_value = txpwr >> 8;
-       }
 
        eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_TXPWR_BASE,
                          &priv->txpwr_base);
@@ -807,7 +1064,90 @@ static int __devinit rtl8187_probe(struct usb_interface *intf,
        rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg);
        rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
 
+       if (!priv->is_rtl8187b) {
+               u32 reg32;
+               reg32 = rtl818x_ioread32(priv, &priv->map->TX_CONF);
+               reg32 &= RTL818X_TX_CONF_HWVER_MASK;
+               switch (reg32) {
+               case RTL818X_TX_CONF_R8187vD_B:
+                       /* Some RTL8187B devices have a USB ID of 0x8187
+                        * detect them here */
+                       chip_name = "RTL8187BvB(early)";
+                       priv->is_rtl8187b = 1;
+                       priv->hw_rev = RTL8187BvB;
+                       break;
+               case RTL818X_TX_CONF_R8187vD:
+                       chip_name = "RTL8187vD";
+                       break;
+               default:
+                       chip_name = "RTL8187vB (default)";
+               }
+       } else {
+               /*
+                * Force USB request to write radio registers for 8187B, Realtek
+                * only uses it in their sources
+                */
+               /*if (priv->asic_rev == 0) {
+                       printk(KERN_WARNING "rtl8187: Forcing use of USB "
+                              "requests to write to radio registers\n");
+                       priv->asic_rev = 1;
+               }*/
+               switch (rtl818x_ioread8(priv, (u8 *)0xFFE1)) {
+               case RTL818X_R8187B_B:
+                       chip_name = "RTL8187BvB";
+                       priv->hw_rev = RTL8187BvB;
+                       break;
+               case RTL818X_R8187B_D:
+                       chip_name = "RTL8187BvD";
+                       priv->hw_rev = RTL8187BvD;
+                       break;
+               case RTL818X_R8187B_E:
+                       chip_name = "RTL8187BvE";
+                       priv->hw_rev = RTL8187BvE;
+                       break;
+               default:
+                       chip_name = "RTL8187BvB (default)";
+                       priv->hw_rev = RTL8187BvB;
+               }
+       }
+
+       if (!priv->is_rtl8187b) {
+               for (i = 0; i < 2; i++) {
+                       eeprom_93cx6_read(&eeprom,
+                                         RTL8187_EEPROM_TXPWR_CHAN_6 + i,
+                                         &txpwr);
+                       (*channel++).hw_value = txpwr & 0xFF;
+                       (*channel++).hw_value = txpwr >> 8;
+               }
+       } else {
+               eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_TXPWR_CHAN_6,
+                                 &txpwr);
+               (*channel++).hw_value = txpwr & 0xFF;
+
+               eeprom_93cx6_read(&eeprom, 0x0A, &txpwr);
+               (*channel++).hw_value = txpwr & 0xFF;
+
+               eeprom_93cx6_read(&eeprom, 0x1C, &txpwr);
+               (*channel++).hw_value = txpwr & 0xFF;
+               (*channel++).hw_value = txpwr >> 8;
+       }
+
+       if (priv->is_rtl8187b)
+               printk(KERN_WARNING "rtl8187: 8187B chip detected. Support "
+                       "is EXPERIMENTAL, and could damage your\n"
+                       "         hardware, use at your own risk\n");
+       if ((id->driver_info == DEVICE_RTL8187) && priv->is_rtl8187b)
+               printk(KERN_INFO "rtl8187: inconsistency between id with OEM"
+                      " info!\n");
+
        priv->rf = rtl8187_detect_rf(dev);
+       dev->extra_tx_headroom = (!priv->is_rtl8187b) ?
+                                 sizeof(struct rtl8187_tx_hdr) :
+                                 sizeof(struct rtl8187b_tx_hdr);
+       if (!priv->is_rtl8187b)
+               dev->queues = 1;
+       else
+               dev->queues = 4;
 
        err = ieee80211_register_hw(dev);
        if (err) {
@@ -815,9 +1155,9 @@ static int __devinit rtl8187_probe(struct usb_interface *intf,
                goto err_free_dev;
        }
 
-       printk(KERN_INFO "%s: hwaddr %s, rtl8187 V%d + %s\n",
+       printk(KERN_INFO "%s: hwaddr %s, %s V%d + %s\n",
               wiphy_name(dev->wiphy), print_mac(mac, dev->wiphy->perm_addr),
-              priv->asic_rev, priv->rf->name);
+              chip_name, priv->asic_rev, priv->rf->name);
 
        return 0;
 
@@ -847,7 +1187,7 @@ static struct usb_driver rtl8187_driver = {
        .name           = KBUILD_MODNAME,
        .id_table       = rtl8187_table,
        .probe          = rtl8187_probe,
-       .disconnect     = rtl8187_disconnect,
+       .disconnect     = __devexit_p(rtl8187_disconnect),
 };
 
 static int __init rtl8187_init(void)