/*
* Jeff: this function should be called under ioctl (rtnl_lock is accquired) while
* LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
*/
int rtw_change_ifname(_adapter *padapter, const char *ifname)
{
struct net_device *pnetdev;
struct net_device *cur_pnetdev;
struct rereg_nd_name_data *rereg_priv;
int ret;
if(!padapter)
goto error;
cur_pnetdev = padapter->pnetdev;
rereg_priv = &padapter->rereg_nd_name_priv;
//free the old_pnetdev
if(rereg_priv->old_pnetdev) {
free_netdev(rereg_priv->old_pnetdev);
rereg_priv->old_pnetdev = NULL;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26))
if(!rtnl_is_locked())
unregister_netdev(cur_pnetdev);
else
#endif
unregister_netdevice(cur_pnetdev);
rereg_priv->old_pnetdev=cur_pnetdev;
pnetdev = rtw_init_netdev(padapter);
if (!pnetdev) {
ret = -1;
goto error;
}
SET_NETDEV_DEV(pnetdev, dvobj_to_dev(adapter_to_dvobj(padapter)));
rtw_init_netdev_name(pnetdev, ifname);
_rtw_memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26))
if(!rtnl_is_locked())
ret = register_netdev(pnetdev);
else
#endif
ret = register_netdevice(pnetdev);
if ( ret != 0) {
RT_TRACE(_module_hci_intfs_c_,_drv_err_,("register_netdev() failed\n"));
goto error;
}
return 0;
error:
return -1;
}
int rtl88eu_download_fw(struct adapter *adapt)
{
struct dvobj_priv *dvobj = adapter_to_dvobj(adapt);
struct device *device = dvobj_to_dev(dvobj);
const struct firmware *fw;
const char fw_name[] = "rtlwifi/rtl8188eufw.bin";
struct rtl92c_firmware_header *pfwheader = NULL;
u8 *download_data, *fw_data;
size_t download_size;
unsigned int trailing_zeros_length;
if (request_firmware(&fw, fw_name, device)) {
dev_err(device, "Firmware %s not available\n", fw_name);
return -ENOENT;
}
if (fw->size > FW_8188E_SIZE) {
dev_err(device, "Firmware size exceed 0x%X. Check it.\n",
FW_8188E_SIZE);
release_firmware(fw);
return -1;
}
trailing_zeros_length = (4 - fw->size % 4) % 4;
fw_data = kmalloc(fw->size + trailing_zeros_length, GFP_KERNEL);
if (!fw_data) {
release_firmware(fw);
return -ENOMEM;
}
memcpy(fw_data, fw->data, fw->size);
memset(fw_data + fw->size, 0, trailing_zeros_length);
pfwheader = (struct rtl92c_firmware_header *)fw_data;
if (IS_FW_HEADER_EXIST(pfwheader)) {
download_data = fw_data + 32;
download_size = fw->size + trailing_zeros_length - 32;
} else {
download_data = fw_data;
download_size = fw->size + trailing_zeros_length;
}
release_firmware(fw);
if (usb_read8(adapt, REG_MCUFWDL) & RAM_DL_SEL) {
usb_write8(adapt, REG_MCUFWDL, 0);
rtl88e_firmware_selfreset(adapt);
}
_rtl88e_enable_fw_download(adapt, true);
usb_write8(adapt, REG_MCUFWDL, usb_read8(adapt, REG_MCUFWDL) | FWDL_ChkSum_rpt);
_rtl88e_write_fw(adapt, download_data, download_size);
_rtl88e_enable_fw_download(adapt, false);
kfree(fw_data);
return _rtl88e_fw_free_to_go(adapt);
}
int rtw_change_ifname(struct adapter *padapter, const char *ifname)
{
struct net_device *pnetdev;
struct net_device *cur_pnetdev;
struct rereg_nd_name_data *rereg_priv;
int ret;
if (!padapter)
goto error;
cur_pnetdev = padapter->pnetdev;
rereg_priv = &padapter->rereg_nd_name_priv;
/* free the old_pnetdev */
if (rereg_priv->old_pnetdev) {
free_netdev(rereg_priv->old_pnetdev);
rereg_priv->old_pnetdev = NULL;
}
if (!rtnl_is_locked())
unregister_netdev(cur_pnetdev);
else
unregister_netdevice(cur_pnetdev);
rtw_proc_remove_one(cur_pnetdev);
rereg_priv->old_pnetdev = cur_pnetdev;
pnetdev = rtw_init_netdev(padapter);
if (!pnetdev) {
ret = -1;
goto error;
}
SET_NETDEV_DEV(pnetdev, dvobj_to_dev(adapter_to_dvobj(padapter)));
rtw_init_netdev_name(pnetdev, ifname);
memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
if (!rtnl_is_locked())
ret = register_netdev(pnetdev);
else
ret = register_netdevice(pnetdev);
if (ret != 0) {
RT_TRACE(_module_hci_intfs_c_, _drv_err_,
("register_netdev() failed\n"));
goto error;
}
rtw_proc_init_one(pnetdev);
return 0;
error:
return -1;
}
/*
* drv_init() - a device potentially for us
*
* notes: drv_init() is called when the bus driver has located a card
* for us to support.
* We accept the new device by returning 0.
*/
static struct rtw_adapter *rtw_usb_if1_init(struct dvobj_priv *dvobj,
struct usb_interface *pusb_intf,
const struct usb_device_id *pdid)
{
struct rtw_adapter *padapter = NULL;
struct net_device *pnetdev = NULL;
int status = _FAIL;
pnetdev = rtw_init_netdev23a(padapter);
if (!pnetdev)
goto free_adapter;
padapter = netdev_priv(pnetdev);
padapter->dvobj = dvobj;
padapter->bDriverStopped = true;
dvobj->if1 = padapter;
dvobj->padapters[dvobj->iface_nums++] = padapter;
padapter->iface_id = IFACE_ID0;
rtl8723au_set_hw_type(padapter);
SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj));
if (rtw_wdev_alloc(padapter, dvobj_to_dev(dvobj)))
goto free_adapter;
/* step 2. allocate HalData */
padapter->HalData = kzalloc(sizeof(struct hal_data_8723a), GFP_KERNEL);
if (!padapter->HalData)
goto free_wdev;
/* step read_chip_version */
rtl8723a_read_chip_version(padapter);
/* step usb endpoint mapping */
if (!rtl8723au_chip_configure(padapter))
goto free_hal_data;
/* step read efuse/eeprom data and get mac_addr */
rtl8723a_read_adapter_info(padapter);
/* step 5. */
if (rtw_init_drv_sw23a(padapter) == _FAIL) {
RT_TRACE(_module_hci_intfs_c_, _drv_err_,
("Initialize driver software resource Failed!\n"));
goto free_hal_data;
}
#ifdef CONFIG_PM
if (padapter->pwrctrlpriv.bSupportRemoteWakeup) {
dvobj->pusbdev->do_remote_wakeup = 1;
pusb_intf->needs_remote_wakeup = 1;
device_init_wakeup(&pusb_intf->dev, 1);
DBG_8723A("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~~~~\n");
DBG_8723A("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~[%d]~~~\n",
device_may_wakeup(&pusb_intf->dev));
}
#endif
/* 2012-07-11 Move here to prevent the 8723AS-VAU BT
* auto suspend influence
*/
if (usb_autopm_get_interface(pusb_intf) < 0)
DBG_8723A("can't get autopm:\n");
#ifdef CONFIG_8723AU_BT_COEXIST
padapter->pwrctrlpriv.autopm_cnt = 1;
#endif
/* If the eeprom mac address is corrupted, assign a random address */
if (is_broadcast_ether_addr(padapter->eeprompriv.mac_addr) ||
is_zero_ether_addr(padapter->eeprompriv.mac_addr))
eth_random_addr(padapter->eeprompriv.mac_addr);
DBG_8723A("bDriverStopped:%d, bSurpriseRemoved:%d, bup:%d, hw_init_completed:%d\n",
padapter->bDriverStopped, padapter->bSurpriseRemoved,
padapter->bup, padapter->hw_init_completed
);
status = _SUCCESS;
free_hal_data:
if (status != _SUCCESS)
kfree(padapter->HalData);
free_wdev:
if (status != _SUCCESS) {
rtw_wdev_unregister(padapter->rtw_wdev);
rtw_wdev_free(padapter->rtw_wdev);
}
free_adapter:
if (status != _SUCCESS) {
if (pnetdev)
free_netdev(pnetdev);
padapter = NULL;
}
return padapter;
}
static struct adapter *rtw_usb_if1_init(struct dvobj_priv *dvobj,
struct usb_interface *pusb_intf, const struct usb_device_id *pdid)
{
struct adapter *padapter = NULL;
struct net_device *pnetdev = NULL;
int status = _FAIL;
padapter = (struct adapter *)vzalloc(sizeof(*padapter));
if (padapter == NULL)
goto exit;
padapter->dvobj = dvobj;
dvobj->if1 = padapter;
padapter->bDriverStopped = true;
mutex_init(&padapter->hw_init_mutex);
padapter->chip_type = RTL8188E;
pnetdev = rtw_init_netdev(padapter);
if (pnetdev == NULL)
goto free_adapter;
SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj));
padapter = rtw_netdev_priv(pnetdev);
/* step 2. hook HalFunc, allocate HalData */
hal_set_hal_ops(padapter);
padapter->intf_start = &usb_intf_start;
padapter->intf_stop = &usb_intf_stop;
/* step read_chip_version */
rtw_hal_read_chip_version(padapter);
/* step usb endpoint mapping */
rtw_hal_chip_configure(padapter);
/* step read efuse/eeprom data and get mac_addr */
rtw_hal_read_chip_info(padapter);
/* step 5. */
if (rtw_init_drv_sw(padapter) == _FAIL) {
RT_TRACE(_module_hci_intfs_c_, _drv_err_,
("Initialize driver software resource Failed!\n"));
goto free_hal_data;
}
#ifdef CONFIG_PM
if (padapter->pwrctrlpriv.bSupportRemoteWakeup) {
dvobj->pusbdev->do_remote_wakeup = 1;
pusb_intf->needs_remote_wakeup = 1;
device_init_wakeup(&pusb_intf->dev, 1);
DBG_88E("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~~~~\n");
DBG_88E("\n padapter->pwrctrlpriv.bSupportRemoteWakeup~~~[%d]~~~\n",
device_may_wakeup(&pusb_intf->dev));
}
#endif
/* 2012-07-11 Move here to prevent the 8723AS-VAU BT auto
* suspend influence */
if (usb_autopm_get_interface(pusb_intf) < 0)
DBG_88E("can't get autopm:\n");
/* alloc dev name after read efuse. */
rtw_init_netdev_name(pnetdev, padapter->registrypriv.ifname);
rtw_macaddr_cfg(padapter->eeprompriv.mac_addr);
memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
DBG_88E("MAC Address from pnetdev->dev_addr = %pM\n",
pnetdev->dev_addr);
/* step 6. Tell the network stack we exist */
if (register_netdev(pnetdev) != 0) {
RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("register_netdev() failed\n"));
goto free_hal_data;
}
DBG_88E("bDriverStopped:%d, bSurpriseRemoved:%d, bup:%d, hw_init_completed:%d\n"
, padapter->bDriverStopped
, padapter->bSurpriseRemoved
, padapter->bup
, padapter->hw_init_completed
);
status = _SUCCESS;
free_hal_data:
if (status != _SUCCESS)
kfree(padapter->HalData);
free_adapter:
if (status != _SUCCESS) {
if (pnetdev)
rtw_free_netdev(pnetdev);
else if (padapter)
vfree(padapter);
padapter = NULL;
}
exit:
return padapter;
}
static PADAPTER rtw_gspi_if1_init(struct dvobj_priv *dvobj)
{
int status = _FAIL;
struct net_device *pnetdev;
PADAPTER padapter = NULL;
padapter = (PADAPTER)rtw_zvmalloc(sizeof(*padapter));
if (NULL == padapter) {
goto exit;
}
padapter->dvobj = dvobj;
dvobj->if1 = padapter;
padapter->bDriverStopped = _TRUE;
#if defined(CONFIG_CONCURRENT_MODE) || defined(CONFIG_DUALMAC_CONCURRENT)
//set adapter_type/iface type for primary padapter
padapter->isprimary = _TRUE;
padapter->adapter_type = PRIMARY_ADAPTER;
#ifndef CONFIG_HWPORT_SWAP
padapter->iface_type = IFACE_PORT0;
#else
padapter->iface_type = IFACE_PORT1;
#endif
#endif
padapter->hw_init_mutex = &drvpriv.hw_init_mutex;
#ifdef CONFIG_CONCURRENT_MODE
//set global variable to primary adapter
padapter->ph2c_fwcmd_mutex = &drvpriv.h2c_fwcmd_mutex;
padapter->psetch_mutex = &drvpriv.setch_mutex;
padapter->psetbw_mutex = &drvpriv.setbw_mutex;
#endif
padapter->interface_type = RTW_GSPI;
decide_chip_type_by_device_id(padapter);
//3 1. init network device data
pnetdev = rtw_init_netdev(padapter);
if (!pnetdev)
goto free_adapter;
SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj));
#ifdef CONFIG_IOCTL_CFG80211
rtw_wdev_alloc(padapter, dvobj_to_dev(dvobj));
#endif
//3 3. init driver special setting, interface, OS and hardware relative
//4 3.1 set hardware operation functions
hal_set_hal_ops(padapter);
//3 5. initialize Chip version
padapter->intf_start = &gspi_intf_start;
padapter->intf_stop = &gspi_intf_stop;
if (rtw_init_io_priv(padapter, spi_set_intf_ops) == _FAIL)
{
RT_TRACE(_module_hci_intfs_c_, _drv_err_,
("rtw_drv_init: Can't init io_priv\n"));
goto free_hal_data;
}
{
u32 ret = 0;
DBG_8192C("read start:\n");
//spi_write8_endian(padapter, SPI_LOCAL_OFFSET | 0xF0, 0x01, 1);
rtw_write8(padapter, SPI_LOCAL_OFFSET | 0xF0, 0x03);
ret = rtw_read32(padapter, SPI_LOCAL_OFFSET | 0xF0);
DBG_8192C("read end 0xF0 read32:%x:\n", ret);
DBG_8192C("read end 0xF0 read8:%x:\n", rtw_read8(padapter, SPI_LOCAL_OFFSET | 0xF0));
}
rtw_hal_read_chip_version(padapter);
rtw_hal_chip_configure(padapter);
//3 6. read efuse/eeprom data
rtw_hal_read_chip_info(padapter);
//3 7. init driver common data
if (rtw_init_drv_sw(padapter) == _FAIL) {
RT_TRACE(_module_hci_intfs_c_, _drv_err_,
("rtw_drv_init: Initialize driver software resource Failed!\n"));
goto free_hal_data;
}
//3 8. get WLan MAC address
// alloc dev name after read efuse.
rtw_init_netdev_name(pnetdev, padapter->registrypriv.ifname);
rtw_macaddr_cfg(padapter->eeprompriv.mac_addr);
_rtw_memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
rtw_hal_disable_interrupt(padapter);
//3 9. Tell the network stack we exist
if (register_netdev(pnetdev) != 0) {
RT_TRACE(_module_hci_intfs_c_, _drv_err_,
("rtw_drv_init: register_netdev() failed\n"));
goto free_hal_data;
}
DBG_871X("bDriverStopped:%d, bSurpriseRemoved:%d, bup:%d, hw_init_completed:%d\n"
,padapter->bDriverStopped
,padapter->bSurpriseRemoved
,padapter->bup
,padapter->hw_init_completed
);
#ifdef CONFIG_HOSTAPD_MLME
hostapd_mode_init(padapter);
#endif
status = _SUCCESS;
free_hal_data:
if (status != _SUCCESS && padapter->HalData)
rtw_mfree(padapter->HalData, sizeof(*(padapter->HalData)));
free_wdev:
if (status != _SUCCESS) {
#ifdef CONFIG_IOCTL_CFG80211
rtw_wdev_free(padapter->rtw_wdev);
#endif
}
free_adapter:
if (status != _SUCCESS) {
if (pnetdev)
rtw_free_netdev(pnetdev);
else if (padapter)
rtw_vmfree((u8*)padapter, sizeof(*padapter));
padapter = NULL;
}
exit:
return padapter;
}
