diff options
Diffstat (limited to 'drivers/net/wireless/rtl8187_dev.c')
| -rw-r--r-- | drivers/net/wireless/rtl8187_dev.c | 815 |
1 files changed, 0 insertions, 815 deletions
diff --git a/drivers/net/wireless/rtl8187_dev.c b/drivers/net/wireless/rtl8187_dev.c deleted file mode 100644 index f44505994a0..00000000000 --- a/drivers/net/wireless/rtl8187_dev.c +++ /dev/null @@ -1,815 +0,0 @@ -/* - * 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; - } - - 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; -} - -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); |