static int rt2860_suspend(
struct pci_dev *pci_dev,
pm_message_t state)
{
struct net_device *net_dev = pci_get_drvdata(pci_dev);
PRTMP_ADAPTER pAd = (PRTMP_ADAPTER)NULL;
INT32 retval = 0;
DBGPRINT(RT_DEBUG_TRACE, ("===> rt2860_suspend()\n"));
if (net_dev == NULL)
{
DBGPRINT(RT_DEBUG_ERROR, ("net_dev == NULL!\n"));
}
else
{
GET_PAD_FROM_NET_DEV(pAd, net_dev);
/* we can not use IFF_UP because ra0 down but ra1 up */
/* and 1 suspend/resume function for 1 module, not for each interface */
/* so Linux will call suspend/resume function once */
if (VIRTUAL_IF_NUM(pAd) > 0)
{
// avoid users do suspend after interface is down
// stop interface
netif_carrier_off(net_dev);
netif_stop_queue(net_dev);
// mark device as removed from system and therefore no longer available
netif_device_detach(net_dev);
// mark halt flag
RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_RADIO_OFF);
// take down the device
rt28xx_close((PNET_DEV)net_dev);
RT_MOD_DEC_USE_COUNT();
}
}
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,10)
// reference to http://vovo2000.com/type-lab/linux/kernel-api/linux-kernel-api.html
// enable device to generate PME# when suspended
// pci_choose_state(): Choose the power state of a PCI device to be suspended
retval = pci_enable_wake(pci_dev, pci_choose_state(pci_dev, state), 1);
// save the PCI configuration space of a device before suspending
pci_save_state(pci_dev);
// disable PCI device after use
pci_disable_device(pci_dev);
retval = pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
#endif
DBGPRINT(RT_DEBUG_TRACE, ("<=== rt2860_suspend()\n"));
return retval;
}
static int rt2860_suspend(
struct pci_dev *pci_dev,
pm_message_t state)
{
struct net_device *net_dev = pci_get_drvdata(pci_dev);
PRTMP_ADAPTER pAd = (PRTMP_ADAPTER)NULL;
INT32 retval = 0;
DBGPRINT(RT_DEBUG_TRACE, ("===> rt2860_suspend()\n"));
if (net_dev == NULL)
{
DBGPRINT(RT_DEBUG_ERROR, ("net_dev == NULL!\n"));
}
else
{
pAd = (PRTMP_ADAPTER)RTMP_OS_NETDEV_GET_PRIV(net_dev);
if (VIRTUAL_IF_NUM(pAd) > 0)
{
netif_carrier_off(net_dev);
netif_stop_queue(net_dev);
netif_device_detach(net_dev);
RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_RADIO_OFF);
rt28xx_close((PNET_DEV)net_dev);
RT_MOD_DEC_USE_COUNT();
}
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,10)
retval = pci_enable_wake(pci_dev, pci_choose_state(pci_dev, state), 1);
pci_save_state(pci_dev);
pci_disable_device(pci_dev);
retval = pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
#endif
DBGPRINT(RT_DEBUG_TRACE, ("<=== rt2860_suspend()\n"));
return retval;
}
static int rt_pci_suspend(struct pci_dev *pci_dev, pm_message_t state)
{
struct net_device *net_dev = pci_get_drvdata(pci_dev);
VOID *pAd = NULL;
INT32 retval = 0;
MTWF_LOG(DBG_CAT_ALL, DBG_SUBCAT_ALL, DBG_LVL_TRACE, ("===>%s()\n", __FUNCTION__));
if (net_dev == NULL)
{
MTWF_LOG(DBG_CAT_ALL, DBG_SUBCAT_ALL, DBG_LVL_ERROR, ("net_dev == NULL!\n"));
}
else
{
ULONG IfNum;
GET_PAD_FROM_NET_DEV(pAd, net_dev);
/* we can not use IFF_UP because ra0 down but ra1 up */
/* and 1 suspend/resume function for 1 module, not for each interface */
/* so Linux will call suspend/resume function once */
RTMP_DRIVER_VIRTUAL_INF_NUM_GET(pAd, &IfNum);
if (IfNum > 0)
{
/* avoid users do suspend after interface is down */
/* stop interface */
netif_carrier_off(net_dev);
netif_stop_queue(net_dev);
/* mark device as removed from system and therefore no longer available */
netif_device_detach(net_dev);
/* mark halt flag */
/* RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS); */
/* RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_RADIO_OFF); */
RTMP_DRIVER_PCI_SUSPEND(pAd);
/* take down the device */
rt28xx_close((PNET_DEV)net_dev);
RT_MOD_DEC_USE_COUNT();
}
}
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,10)
/*
reference to http://vovo2000.com/type-lab/linux/kernel-api/linux-kernel-api.html
enable device to generate PME# when suspended
pci_choose_state(): Choose the power state of a PCI device to be suspended
*/
retval = pci_enable_wake(pci_dev, pci_choose_state(pci_dev, state), 1);
/* save the PCI configuration space of a device before suspending */
pci_save_state(pci_dev);
/* disable PCI device after use */
pci_disable_device(pci_dev);
retval = pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
#endif
MTWF_LOG(DBG_CAT_ALL, DBG_SUBCAT_ALL, DBG_LVL_TRACE, ("<===%s()\n", __FUNCTION__));
return retval;
}