rtl8187: change part 2 of rtl8187_dev.c to support RTL8187B
Signed-off-by: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
Signed-off-by: Herton Ronaldo Krzesinski <herton@xxxxxxxxxxxxxxx>
Signed-off-by: Hin-Tak Leung <htl10@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Pavel Roskin <proski@xxxxxxx>
---
diff --git a/drivers/net/wireless/rtl8187_dev.c b/drivers/net/wireless/rtl8187_dev.c
index b17f237..e013eee 100644
--- a/drivers/net/wireless/rtl8187_dev.c
+++ b/drivers/net/wireless/rtl8187_dev.c
@@ -155,9 +155,11 @@ static void rtl8187_tx_cb(struct urb *urb)
struct sk_buff *skb = (struct sk_buff *)urb->context;
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, sizeof(struct rtl8187_tx_hdr));
+ 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);
@@ -167,7 +169,8 @@ static int rtl8187_tx(struct ieee80211_hw *dev, struct
sk_buff *skb)
{
struct rtl8187_priv *priv = dev->priv;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct rtl8187_tx_hdr *hdr;
+ unsigned int ep;
+ void *buf;
struct urb *urb;
__le16 rts_dur = 0;
u32 flags;
@@ -195,16 +198,47 @@ static int rtl8187_tx(struct ieee80211_hw *dev, struct
sk_buff *skb)
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(info->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;
+
+ 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, 2),
- hdr, skb->len, rtl8187_tx_cb, skb);
+
+ 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);
@@ -220,7 +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;
@@ -241,11 +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)
@@ -261,13 +316,11 @@ static void rtl8187_rx_cb(struct urb *urb)
signal = 95 - signal;
}
- rx_status.antenna = (hdr->signal >> 7) & 1;
- rx_status.qual = 64 - min(hdr->noise, (u8)64);
+ 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;
@@ -307,7 +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;
@@ -786,18 +840,20 @@ 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);
@@ -813,14 +869,20 @@ 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;
}
@@ -907,6 +969,7 @@ 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);
@@ -918,6 +981,8 @@ static int __devinit rtl8187_probe(struct usb_interface *intf,
}
priv = dev->priv;
+ priv->is_rtl8187b = (id->driver_info == DEVICE_RTL8187B) ||
+ !memcmp(udev->product, "RTL8187B", 8);
SET_IEEE80211_DEV(dev, &intf->dev);
usb_set_intfdata(intf, dev);
@@ -946,8 +1011,13 @@ static int __devinit rtl8187_probe(struct usb_interface *intf,
dev->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
IEEE80211_HW_RX_INCLUDES_FCS |
IEEE80211_HW_SIGNAL_UNSPEC;
- dev->extra_tx_headroom = sizeof(struct rtl8187_tx_hdr);
- dev->queues = 1;
+ 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;
dev->max_signal = 65;
eeprom.data = dev;
@@ -982,10 +1052,24 @@ 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,
+ 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;
}
@@ -1001,6 +1085,50 @@ 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_1:
+ case RTL818X_TX_CONF_R8187vD_2:
+ chip_name = "RTL8187vD";
+ break;
+ default:
+ chip_name = "RTL8187vB (default)";
+ }
+ } else {
+ printk(KERN_WARNING "rtl8187: 8187B chip detected. Support "
+ "is EXPERIMENTAL, and could damage your\n"
+ " hardware, use at your own risk\n");
+ /*
+ * 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;
+ }
+ }
+
priv->rf = rtl8187_detect_rf(dev);
err = ieee80211_register_hw(dev);
@@ -1009,9 +1137,9 @@ 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;
--
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