diff options
Diffstat (limited to 'drivers/staging/winbond/wbusb.c')
| -rw-r--r-- | drivers/staging/winbond/wbusb.c | 437 |
1 files changed, 437 insertions, 0 deletions
diff --git a/drivers/staging/winbond/wbusb.c b/drivers/staging/winbond/wbusb.c new file mode 100644 index 000000000000..cb4dee566f7f --- /dev/null +++ b/drivers/staging/winbond/wbusb.c @@ -0,0 +1,437 @@ +/* + * Copyright 2008 Pavel Machek <pavel@suse.cz> + * + * Distribute under GPLv2. + */ +#include <net/mac80211.h> +#include <linux/usb.h> + +#include "core.h" +#include "mds_f.h" +#include "mlmetxrx_f.h" +#include "mto_f.h" +#include "wbhal_f.h" +#include "wblinux_f.h" + +MODULE_AUTHOR("Original by: Jeff Lee<YY_Lee@issc.com.tw> Adapted to 2.6.x by Costantino Leandro (Rxart Desktop) <le_costantino@pixartargentina.com.ar>"); +MODULE_DESCRIPTION("IS89C35 802.11bg WLAN USB Driver"); +MODULE_LICENSE("GPL"); +MODULE_VERSION("0.1"); + +static struct usb_device_id wb35_table[] __devinitdata = { + {USB_DEVICE(0x0416, 0x0035)}, + {USB_DEVICE(0x18E8, 0x6201)}, + {USB_DEVICE(0x18E8, 0x6206)}, + {USB_DEVICE(0x18E8, 0x6217)}, + {USB_DEVICE(0x18E8, 0x6230)}, + {USB_DEVICE(0x18E8, 0x6233)}, + {USB_DEVICE(0x1131, 0x2035)}, + { 0, } +}; + +MODULE_DEVICE_TABLE(usb, wb35_table); + +static struct ieee80211_rate wbsoft_rates[] = { + { .bitrate = 10, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, +}; + +static struct ieee80211_channel wbsoft_channels[] = { + { .center_freq = 2412}, +}; + +static struct ieee80211_supported_band wbsoft_band_2GHz = { + .channels = wbsoft_channels, + .n_channels = ARRAY_SIZE(wbsoft_channels), + .bitrates = wbsoft_rates, + .n_bitrates = ARRAY_SIZE(wbsoft_rates), +}; + +static int wbsoft_add_interface(struct ieee80211_hw *dev, + struct ieee80211_if_init_conf *conf) +{ + printk("wbsoft_add interface called\n"); + return 0; +} + +static void wbsoft_remove_interface(struct ieee80211_hw *dev, + struct ieee80211_if_init_conf *conf) +{ + printk("wbsoft_remove interface called\n"); +} + +static void wbsoft_stop(struct ieee80211_hw *hw) +{ + printk(KERN_INFO "%s called\n", __func__); +} + +static int wbsoft_get_stats(struct ieee80211_hw *hw, + struct ieee80211_low_level_stats *stats) +{ + printk(KERN_INFO "%s called\n", __func__); + return 0; +} + +static int wbsoft_get_tx_stats(struct ieee80211_hw *hw, + struct ieee80211_tx_queue_stats *stats) +{ + printk(KERN_INFO "%s called\n", __func__); + return 0; +} + +static void wbsoft_configure_filter(struct ieee80211_hw *dev, + unsigned int changed_flags, + unsigned int *total_flags, + int mc_count, struct dev_mc_list *mclist) +{ + unsigned int bit_nr, new_flags; + u32 mc_filter[2]; + int i; + + new_flags = 0; + + if (*total_flags & FIF_PROMISC_IN_BSS) { + new_flags |= FIF_PROMISC_IN_BSS; + mc_filter[1] = mc_filter[0] = ~0; + } else if ((*total_flags & FIF_ALLMULTI) || (mc_count > 32)) { + new_flags |= FIF_ALLMULTI; + mc_filter[1] = mc_filter[0] = ~0; + } else { + mc_filter[1] = mc_filter[0] = 0; + for (i = 0; i < mc_count; i++) { + if (!mclist) + break; + printk("Should call ether_crc here\n"); + //bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) >> 26; + bit_nr = 0; + + bit_nr &= 0x3F; + mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31); + mclist = mclist->next; + } + } + + dev->flags &= ~IEEE80211_HW_RX_INCLUDES_FCS; + + *total_flags = new_flags; +} + +static int wbsoft_tx(struct ieee80211_hw *dev, struct sk_buff *skb) +{ + struct wbsoft_priv *priv = dev->priv; + + MLMESendFrame(priv, skb->data, skb->len, FRAME_TYPE_802_11_MANAGEMENT); + + return NETDEV_TX_OK; +} + + +static int wbsoft_start(struct ieee80211_hw *dev) +{ + struct wbsoft_priv *priv = dev->priv; + + priv->enabled = true; + + return 0; +} + +static int wbsoft_config(struct ieee80211_hw *dev, struct ieee80211_conf *conf) +{ + struct wbsoft_priv *priv = dev->priv; + + ChanInfo ch; + printk("wbsoft_config called\n"); + + ch.band = 1; + ch.ChanNo = 1; /* Should use channel_num, or something, as that is already pre-translated */ + + + hal_set_current_channel(&priv->sHwData, ch); + hal_set_beacon_period(&priv->sHwData, conf->beacon_int); +// hal_set_cap_info(&priv->sHwData, ?? ); +// hal_set_ssid(phw_data_t pHwData, u8 * pssid, u8 ssid_len); ?? + hal_set_accept_broadcast(&priv->sHwData, 1); + hal_set_accept_promiscuous(&priv->sHwData, 1); + hal_set_accept_multicast(&priv->sHwData, 1); + hal_set_accept_beacon(&priv->sHwData, 1); + hal_set_radio_mode(&priv->sHwData, 0); + //hal_set_antenna_number( phw_data_t pHwData, u8 number ) + //hal_set_rf_power(phw_data_t pHwData, u8 PowerIndex) + + +// hal_start_bss(&priv->sHwData, WLAN_BSSTYPE_INFRASTRUCTURE); ?? + +//void hal_set_rates(phw_data_t pHwData, u8 * pbss_rates, +// u8 length, unsigned char basic_rate_set) + + return 0; +} + +static int wbsoft_config_interface(struct ieee80211_hw *dev, + struct ieee80211_vif *vif, + struct ieee80211_if_conf *conf) +{ + printk("wbsoft_config_interface called\n"); + return 0; +} + +static u64 wbsoft_get_tsf(struct ieee80211_hw *dev) +{ + printk("wbsoft_get_tsf called\n"); + return 0; +} + +static const struct ieee80211_ops wbsoft_ops = { + .tx = wbsoft_tx, + .start = wbsoft_start, /* Start can be pretty much empty as we do wb35_hw_init() during probe? */ + .stop = wbsoft_stop, + .add_interface = wbsoft_add_interface, + .remove_interface = wbsoft_remove_interface, + .config = wbsoft_config, + .config_interface = wbsoft_config_interface, + .configure_filter = wbsoft_configure_filter, + .get_stats = wbsoft_get_stats, + .get_tx_stats = wbsoft_get_tx_stats, + .get_tsf = wbsoft_get_tsf, +// conf_tx: hal_set_cwmin()/hal_set_cwmax; +}; + +static unsigned char wb35_hw_init(struct ieee80211_hw *hw) +{ + struct wbsoft_priv *priv = hw->priv; + phw_data_t pHwData; + u8 *pMacAddr; + u8 *pMacAddr2; + u32 InitStep = 0; + u8 EEPROM_region; + u8 HwRadioOff; + + // + // Setting default value for Linux + // + priv->sLocalPara.region_INF = REGION_AUTO; + priv->sLocalPara.TxRateMode = RATE_AUTO; + priv->sLocalPara.bMacOperationMode = MODE_802_11_BG; // B/G mode + priv->Mds.TxRTSThreshold = DEFAULT_RTSThreshold; + priv->Mds.TxFragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD; + hal_set_phy_type( &priv->sHwData, RF_WB_242_1 ); + priv->sLocalPara.MTUsize = MAX_ETHERNET_PACKET_SIZE; + priv->sLocalPara.bPreambleMode = AUTO_MODE; + priv->sLocalPara.RadioOffStatus.boSwRadioOff = false; + pHwData = &priv->sHwData; + hal_set_phy_type( pHwData, RF_DECIDE_BY_INF ); + + //added by ws for wep key error detection + priv->sLocalPara.bWepKeyError= false; + priv->sLocalPara.bToSelfPacketReceived = false; + priv->sLocalPara.WepKeyDetectTimerCount= 2 * 100; /// 2 seconds + + // Initial USB hal + InitStep = 1; + pHwData = &priv->sHwData; + if (!hal_init_hardware(hw)) + goto error; + + EEPROM_region = hal_get_region_from_EEPROM( pHwData ); + if (EEPROM_region != REGION_AUTO) + priv->sLocalPara.region = EEPROM_region; + else { + if (priv->sLocalPara.region_INF != REGION_AUTO) + priv->sLocalPara.region = priv->sLocalPara.region_INF; + else + priv->sLocalPara.region = REGION_USA; //default setting + } + + // Get Software setting flag from hal + priv->sLocalPara.boAntennaDiversity = false; + if (hal_software_set(pHwData) & 0x00000001) + priv->sLocalPara.boAntennaDiversity = true; + + // + // For TS module + // + InitStep = 2; + + // For MDS module + InitStep = 3; + Mds_initial(priv); + + //======================================= + // Initialize the SME, SCAN, MLME, ROAM + //======================================= + InitStep = 4; + InitStep = 5; + InitStep = 6; + + // If no user-defined address in the registry, use the addresss "burned" on the NIC instead. + pMacAddr = priv->sLocalPara.ThisMacAddress; + pMacAddr2 = priv->sLocalPara.PermanentAddress; + hal_get_permanent_address( pHwData, priv->sLocalPara.PermanentAddress );// Reading ethernet address from EEPROM + if (memcmp(pMacAddr, "\x00\x00\x00\x00\x00\x00", MAC_ADDR_LENGTH) == 0) + memcpy(pMacAddr, pMacAddr2, MAC_ADDR_LENGTH); + else { + // Set the user define MAC address + hal_set_ethernet_address(pHwData, priv->sLocalPara.ThisMacAddress); + } + + //get current antenna + priv->sLocalPara.bAntennaNo = hal_get_antenna_number(pHwData); +#ifdef _PE_STATE_DUMP_ + WBDEBUG(("Driver init, antenna no = %d\n", psLOCAL->bAntennaNo)); +#endif + hal_get_hw_radio_off( pHwData ); + + // Waiting for HAL setting OK + while (!hal_idle(pHwData)) + msleep(10); + + MTO_Init(priv); + + HwRadioOff = hal_get_hw_radio_off( pHwData ); + priv->sLocalPara.RadioOffStatus.boHwRadioOff = !!HwRadioOff; + + hal_set_radio_mode( pHwData, (unsigned char)(priv->sLocalPara.RadioOffStatus.boSwRadioOff || priv->sLocalPara.RadioOffStatus.boHwRadioOff) ); + + hal_driver_init_OK(pHwData) = 1; // Notify hal that the driver is ready now. + //set a tx power for reference..... +// sme_set_tx_power_level(priv, 12); FIXME? + return true; + +error: + switch (InitStep) { + case 5: + case 4: + case 3: Mds_Destroy( priv ); + case 2: + case 1: hal_halt( pHwData, NULL ); + case 0: break; + } + + return false; +} + +static int wb35_probe(struct usb_interface *intf, const struct usb_device_id *id_table) +{ + PWBUSB pWbUsb; + struct usb_host_interface *interface; + struct usb_endpoint_descriptor *endpoint; + u32 ltmp; + struct usb_device *udev = interface_to_usbdev(intf); + struct wbsoft_priv *priv; + struct ieee80211_hw *dev; + int err; + + usb_get_dev(udev); + + // 20060630.2 Check the device if it already be opened + err = usb_control_msg(udev, usb_rcvctrlpipe( udev, 0 ), + 0x01, USB_TYPE_VENDOR|USB_RECIP_DEVICE|USB_DIR_IN, + 0x0, 0x400, <mp, 4, HZ*100 ); + if (err) + goto error; + + ltmp = cpu_to_le32(ltmp); + if (ltmp) { // Is already initialized? + err = -EBUSY; + goto error; + } + + dev = ieee80211_alloc_hw(sizeof(*priv), &wbsoft_ops); + if (!dev) + goto error; + + priv = dev->priv; + + spin_lock_init(&priv->SpinLock); + + pWbUsb = &priv->sHwData.WbUsb; + pWbUsb->udev = udev; + + interface = intf->cur_altsetting; + endpoint = &interface->endpoint[0].desc; + + if (endpoint[2].wMaxPacketSize == 512) { + printk("[w35und] Working on USB 2.0\n"); + pWbUsb->IsUsb20 = 1; + } + + if (!wb35_hw_init(dev)) { + err = -EINVAL; + goto error_free_hw; + } + + SET_IEEE80211_DEV(dev, &udev->dev); + { + phw_data_t pHwData = &priv->sHwData; + unsigned char dev_addr[MAX_ADDR_LEN]; + hal_get_permanent_address(pHwData, dev_addr); + SET_IEEE80211_PERM_ADDR(dev, dev_addr); + } + + dev->extra_tx_headroom = 12; /* FIXME */ + dev->flags = 0; + + dev->channel_change_time = 1000; + dev->queues = 1; + + dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &wbsoft_band_2GHz; + + err = ieee80211_register_hw(dev); + if (err) + goto error_free_hw; + + usb_set_intfdata(intf, priv); + + return 0; + +error_free_hw: + ieee80211_free_hw(dev); +error: + usb_put_dev(udev); + return err; +} + +static void wb35_hw_halt(struct wbsoft_priv *adapter) +{ + Mds_Destroy( adapter ); + + // Turn off Rx and Tx hardware ability + hal_stop( &adapter->sHwData ); +#ifdef _PE_USB_INI_DUMP_ + WBDEBUG(("[w35und] Hal_stop O.K.\n")); +#endif + msleep(100);// Waiting Irp completed + + // Halt the HAL + hal_halt(&adapter->sHwData, NULL); +} + + +static void wb35_disconnect(struct usb_interface *intf) +{ + struct wbsoft_priv *priv = usb_get_intfdata(intf); + + wb35_hw_halt(priv); + + usb_set_intfdata(intf, NULL); + usb_put_dev(interface_to_usbdev(intf)); +} + +static struct usb_driver wb35_driver = { + .name = "w35und", + .id_table = wb35_table, + .probe = wb35_probe, + .disconnect = wb35_disconnect, +}; + +static int __init wb35_init(void) +{ + return usb_register(&wb35_driver); +} + +static void __exit wb35_exit(void) +{ + usb_deregister(&wb35_driver); +} + +module_init(wb35_init); +module_exit(wb35_exit); |