mirror of https://gitee.com/openkylin/linux.git
rtl8187: change rtl8187_dev.c to support RTL8187B (part 2)
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br> Signed-off-by: Hin-Tak Leung <htl10@users.sourceforge.net> Signed-off-by: Pavel Roskin <proski@gnu.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Hin-Tak Leung
John W. Linville
parent
f8a08c3426
commit
6f7853f3cb
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@ -155,9 +155,11 @@ static void rtl8187_tx_cb(struct urb *urb)
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struct sk_buff *skb = (struct sk_buff *)urb->context;
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struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
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struct ieee80211_hw *hw = info->driver_data[0];
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struct rtl8187_priv *priv = hw->priv;
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usb_free_urb(info->driver_data[1]);
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skb_pull(skb, sizeof(struct rtl8187_tx_hdr));
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skb_pull(skb, priv->is_rtl8187b ? sizeof(struct rtl8187b_tx_hdr) :
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sizeof(struct rtl8187_tx_hdr));
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memset(&info->status, 0, sizeof(info->status));
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info->flags |= IEEE80211_TX_STAT_ACK;
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ieee80211_tx_status_irqsafe(hw, skb);
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@ -167,7 +169,8 @@ static int rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
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{
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struct rtl8187_priv *priv = dev->priv;
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struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
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struct rtl8187_tx_hdr *hdr;
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unsigned int ep;
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void *buf;
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struct urb *urb;
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__le16 rts_dur = 0;
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u32 flags;
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@ -195,16 +198,47 @@ static int rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
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flags |= ieee80211_get_rts_cts_rate(dev, info)->hw_value << 19;
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}
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hdr = (struct rtl8187_tx_hdr *)skb_push(skb, sizeof(*hdr));
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hdr->flags = cpu_to_le32(flags);
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hdr->len = 0;
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hdr->rts_duration = rts_dur;
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hdr->retry = cpu_to_le32(info->control.retry_limit << 8);
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if (!priv->is_rtl8187b) {
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struct rtl8187_tx_hdr *hdr =
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(struct rtl8187_tx_hdr *)skb_push(skb, sizeof(*hdr));
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hdr->flags = cpu_to_le32(flags);
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hdr->len = 0;
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hdr->rts_duration = rts_dur;
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hdr->retry = cpu_to_le32(info->control.retry_limit << 8);
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buf = hdr;
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ep = 2;
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} else {
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/* fc needs to be calculated before skb_push() */
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unsigned int epmap[4] = { 6, 7, 5, 4 };
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struct ieee80211_hdr *tx_hdr =
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(struct ieee80211_hdr *)(skb->data);
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u16 fc = le16_to_cpu(tx_hdr->frame_control);
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struct rtl8187b_tx_hdr *hdr =
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(struct rtl8187b_tx_hdr *)skb_push(skb, sizeof(*hdr));
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struct ieee80211_rate *txrate =
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ieee80211_get_tx_rate(dev, info);
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memset(hdr, 0, sizeof(*hdr));
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hdr->flags = cpu_to_le32(flags);
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hdr->rts_duration = rts_dur;
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hdr->retry = cpu_to_le32(info->control.retry_limit << 8);
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hdr->tx_duration =
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ieee80211_generic_frame_duration(dev, priv->vif,
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skb->len, txrate);
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buf = hdr;
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if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT)
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ep = 12;
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else
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ep = epmap[skb_get_queue_mapping(skb)];
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}
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info->driver_data[0] = dev;
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info->driver_data[1] = urb;
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usb_fill_bulk_urb(urb, priv->udev, usb_sndbulkpipe(priv->udev, 2),
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hdr, skb->len, rtl8187_tx_cb, skb);
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usb_fill_bulk_urb(urb, priv->udev, usb_sndbulkpipe(priv->udev, ep),
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buf, skb->len, rtl8187_tx_cb, skb);
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rc = usb_submit_urb(urb, GFP_ATOMIC);
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if (rc < 0) {
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usb_free_urb(urb);
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@ -220,7 +254,6 @@ static void rtl8187_rx_cb(struct urb *urb)
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struct rtl8187_rx_info *info = (struct rtl8187_rx_info *)skb->cb;
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struct ieee80211_hw *dev = info->dev;
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struct rtl8187_priv *priv = dev->priv;
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struct rtl8187_rx_hdr *hdr;
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struct ieee80211_rx_status rx_status = { 0 };
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int rate, signal;
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u32 flags;
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@ -241,11 +274,33 @@ static void rtl8187_rx_cb(struct urb *urb)
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}
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skb_put(skb, urb->actual_length);
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hdr = (struct rtl8187_rx_hdr *)(skb_tail_pointer(skb) - sizeof(*hdr));
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flags = le32_to_cpu(hdr->flags);
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skb_trim(skb, flags & 0x0FFF);
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if (!priv->is_rtl8187b) {
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struct rtl8187_rx_hdr *hdr =
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(typeof(hdr))(skb_tail_pointer(skb) - sizeof(*hdr));
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flags = le32_to_cpu(hdr->flags);
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signal = hdr->signal & 0x7f;
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rx_status.antenna = (hdr->signal >> 7) & 1;
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rx_status.signal = signal;
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rx_status.noise = hdr->noise;
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rx_status.mactime = le64_to_cpu(hdr->mac_time);
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priv->signal = signal;
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priv->quality = signal;
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priv->noise = hdr->noise;
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} else {
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struct rtl8187b_rx_hdr *hdr =
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(typeof(hdr))(skb_tail_pointer(skb) - sizeof(*hdr));
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flags = le32_to_cpu(hdr->flags);
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signal = hdr->agc >> 1;
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rx_status.antenna = (hdr->signal >> 7) & 1;
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rx_status.signal = 64 - min(hdr->noise, (u8)64);
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rx_status.noise = hdr->noise;
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rx_status.mactime = le64_to_cpu(hdr->mac_time);
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priv->signal = hdr->signal;
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priv->quality = hdr->agc >> 1;
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priv->noise = hdr->noise;
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}
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signal = hdr->agc >> 1;
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skb_trim(skb, flags & 0x0FFF);
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rate = (flags >> 20) & 0xF;
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if (rate > 3) { /* OFDM rate */
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if (signal > 90)
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@ -261,13 +316,11 @@ static void rtl8187_rx_cb(struct urb *urb)
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signal = 95 - signal;
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}
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rx_status.antenna = (hdr->signal >> 7) & 1;
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rx_status.qual = 64 - min(hdr->noise, (u8)64);
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rx_status.qual = priv->quality;
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rx_status.signal = signal;
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rx_status.rate_idx = rate;
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rx_status.freq = dev->conf.channel->center_freq;
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rx_status.band = dev->conf.channel->band;
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rx_status.mactime = le64_to_cpu(hdr->mac_time);
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rx_status.flag |= RX_FLAG_TSFT;
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if (flags & (1 << 13))
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rx_status.flag |= RX_FLAG_FAILED_FCS_CRC;
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@ -307,7 +360,8 @@ static int rtl8187_init_urbs(struct ieee80211_hw *dev)
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break;
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}
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usb_fill_bulk_urb(entry, priv->udev,
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usb_rcvbulkpipe(priv->udev, 1),
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usb_rcvbulkpipe(priv->udev,
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priv->is_rtl8187b ? 3 : 1),
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skb_tail_pointer(skb),
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RTL8187_MAX_RX, rtl8187_rx_cb, skb);
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info = (struct rtl8187_rx_info *)skb->cb;
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@ -786,18 +840,20 @@ static int rtl8187_config(struct ieee80211_hw *dev, struct ieee80211_conf *conf)
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msleep(10);
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rtl818x_iowrite32(priv, &priv->map->TX_CONF, reg);
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rtl818x_iowrite8(priv, &priv->map->SIFS, 0x22);
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if (!priv->is_rtl8187b) {
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rtl818x_iowrite8(priv, &priv->map->SIFS, 0x22);
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if (conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME) {
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rtl818x_iowrite8(priv, &priv->map->SLOT, 0x9);
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rtl818x_iowrite8(priv, &priv->map->DIFS, 0x14);
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rtl818x_iowrite8(priv, &priv->map->EIFS, 91 - 0x14);
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rtl818x_iowrite8(priv, &priv->map->CW_VAL, 0x73);
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} else {
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rtl818x_iowrite8(priv, &priv->map->SLOT, 0x14);
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rtl818x_iowrite8(priv, &priv->map->DIFS, 0x24);
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rtl818x_iowrite8(priv, &priv->map->EIFS, 91 - 0x24);
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rtl818x_iowrite8(priv, &priv->map->CW_VAL, 0xa5);
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if (conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME) {
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rtl818x_iowrite8(priv, &priv->map->SLOT, 0x9);
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rtl818x_iowrite8(priv, &priv->map->DIFS, 0x14);
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rtl818x_iowrite8(priv, &priv->map->EIFS, 91 - 0x14);
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rtl818x_iowrite8(priv, &priv->map->CW_VAL, 0x73);
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} else {
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rtl818x_iowrite8(priv, &priv->map->SLOT, 0x14);
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rtl818x_iowrite8(priv, &priv->map->DIFS, 0x24);
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rtl818x_iowrite8(priv, &priv->map->EIFS, 91 - 0x24);
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rtl818x_iowrite8(priv, &priv->map->CW_VAL, 0xa5);
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}
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}
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rtl818x_iowrite16(priv, &priv->map->ATIM_WND, 2);
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@ -813,14 +869,20 @@ static int rtl8187_config_interface(struct ieee80211_hw *dev,
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{
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struct rtl8187_priv *priv = dev->priv;
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int i;
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u8 reg;
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for (i = 0; i < ETH_ALEN; i++)
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rtl818x_iowrite8(priv, &priv->map->BSSID[i], conf->bssid[i]);
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if (is_valid_ether_addr(conf->bssid))
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rtl818x_iowrite8(priv, &priv->map->MSR, RTL818X_MSR_INFRA);
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else
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rtl818x_iowrite8(priv, &priv->map->MSR, RTL818X_MSR_NO_LINK);
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if (is_valid_ether_addr(conf->bssid)) {
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reg = RTL818X_MSR_INFRA;
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if (priv->is_rtl8187b)
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reg |= RTL818X_MSR_ENEDCA;
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rtl818x_iowrite8(priv, &priv->map->MSR, reg);
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} else {
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reg = RTL818X_MSR_NO_LINK;
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rtl818x_iowrite8(priv, &priv->map->MSR, reg);
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}
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return 0;
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}
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@ -907,6 +969,7 @@ static int __devinit rtl8187_probe(struct usb_interface *intf,
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struct rtl8187_priv *priv;
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struct eeprom_93cx6 eeprom;
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struct ieee80211_channel *channel;
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const char *chip_name;
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u16 txpwr, reg;
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int err, i;
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DECLARE_MAC_BUF(mac);
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@ -918,6 +981,8 @@ static int __devinit rtl8187_probe(struct usb_interface *intf,
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}
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priv = dev->priv;
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priv->is_rtl8187b = (id->driver_info == DEVICE_RTL8187B) ||
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!memcmp(udev->product, "RTL8187B", 8);
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SET_IEEE80211_DEV(dev, &intf->dev);
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usb_set_intfdata(intf, dev);
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@ -946,8 +1011,13 @@ static int __devinit rtl8187_probe(struct usb_interface *intf,
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dev->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
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IEEE80211_HW_RX_INCLUDES_FCS |
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IEEE80211_HW_SIGNAL_UNSPEC;
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dev->extra_tx_headroom = sizeof(struct rtl8187_tx_hdr);
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dev->queues = 1;
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dev->extra_tx_headroom = (!priv->is_rtl8187b) ?
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sizeof(struct rtl8187_tx_hdr) :
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sizeof(struct rtl8187b_tx_hdr);
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if (!priv->is_rtl8187b)
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dev->queues = 1;
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else
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dev->queues = 4;
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dev->max_signal = 65;
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eeprom.data = dev;
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@ -982,10 +1052,24 @@ static int __devinit rtl8187_probe(struct usb_interface *intf,
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(*channel++).hw_value = txpwr & 0xFF;
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(*channel++).hw_value = txpwr >> 8;
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}
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for (i = 0; i < 2; i++) {
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eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_TXPWR_CHAN_6 + i,
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if (!priv->is_rtl8187b) {
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for (i = 0; i < 2; i++) {
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eeprom_93cx6_read(&eeprom,
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RTL8187_EEPROM_TXPWR_CHAN_6 + i,
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&txpwr);
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(*channel++).hw_value = txpwr & 0xFF;
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(*channel++).hw_value = txpwr >> 8;
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}
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} else {
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eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_TXPWR_CHAN_6,
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&txpwr);
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(*channel++).hw_value = txpwr & 0xFF;
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eeprom_93cx6_read(&eeprom, 0x0A, &txpwr);
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(*channel++).hw_value = txpwr & 0xFF;
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eeprom_93cx6_read(&eeprom, 0x1C, &txpwr);
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(*channel++).hw_value = txpwr & 0xFF;
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(*channel++).hw_value = txpwr >> 8;
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}
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@ -1001,6 +1085,50 @@ static int __devinit rtl8187_probe(struct usb_interface *intf,
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rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg);
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rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
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if (!priv->is_rtl8187b) {
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u32 reg32;
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reg32 = rtl818x_ioread32(priv, &priv->map->TX_CONF);
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reg32 &= RTL818X_TX_CONF_HWVER_MASK;
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switch (reg32) {
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case RTL818X_TX_CONF_R8187vD_1:
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case RTL818X_TX_CONF_R8187vD_2:
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chip_name = "RTL8187vD";
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break;
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default:
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chip_name = "RTL8187vB (default)";
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}
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} else {
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printk(KERN_WARNING "rtl8187: 8187B chip detected. Support "
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"is EXPERIMENTAL, and could damage your\n"
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" hardware, use at your own risk\n");
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/*
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* Force USB request to write radio registers for 8187B, Realtek
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* only uses it in their sources
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*/
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/*if (priv->asic_rev == 0) {
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printk(KERN_WARNING "rtl8187: Forcing use of USB "
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"requests to write to radio registers\n");
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priv->asic_rev = 1;
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}*/
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switch (rtl818x_ioread8(priv, (u8 *)0xFFE1)) {
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case RTL818X_R8187B_B:
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chip_name = "RTL8187BvB";
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priv->hw_rev = RTL8187BvB;
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break;
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case RTL818X_R8187B_D:
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chip_name = "RTL8187BvD";
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priv->hw_rev = RTL8187BvD;
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break;
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case RTL818X_R8187B_E:
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chip_name = "RTL8187BvE";
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priv->hw_rev = RTL8187BvE;
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break;
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default:
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chip_name = "RTL8187BvB (default)";
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priv->hw_rev = RTL8187BvB;
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}
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}
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priv->rf = rtl8187_detect_rf(dev);
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err = ieee80211_register_hw(dev);
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@ -1009,9 +1137,9 @@ static int __devinit rtl8187_probe(struct usb_interface *intf,
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goto err_free_dev;
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}
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printk(KERN_INFO "%s: hwaddr %s, rtl8187 V%d + %s\n",
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printk(KERN_INFO "%s: hwaddr %s, %s V%d + %s\n",
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wiphy_name(dev->wiphy), print_mac(mac, dev->wiphy->perm_addr),
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priv->asic_rev, priv->rf->name);
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chip_name, priv->asic_rev, priv->rf->name);
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return 0;
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