void request_done_tasklet(unsigned long data)
{
ifxpcd_ep_t *_ifxep = (ifxpcd_ep_t *)data;
ifxpcd_request_t *req;
unsigned long flags=0;
int k=10;
_ifxep->cmpt_tasklet_in_process=1;
while (k)
{
SPIN_LOCK_IRQSAVE(&_ifxep->cmp_lock,flags);
if(_ifxep->queue_cmpt.next != &_ifxep->queue_cmpt)
{
req = list_entry(_ifxep->queue_cmpt.next, ifxpcd_request_t,trq);
list_del_init(&req->trq);
SPIN_UNLOCK_IRQRESTORE(&_ifxep->cmp_lock,flags);
if(req->sysreq.complete)
req->sysreq.complete(&_ifxep->sysep, &req->sysreq);
else
{
#ifdef __req_num_dbg__
IFX_ERROR("%s() no complete EP%d Req%d\n",__func__,_ifxep->num, req->reqid);
#else
IFX_ERROR("%s() no complete EP%d Req %p\n",__func__,_ifxep->num, req);
#endif
}
}
else
{
SPIN_UNLOCK_IRQRESTORE(&_ifxep->cmp_lock,flags);
break;
}
k--;
}
if(!list_empty(&_ifxep->queue_cmpt))
{
#ifdef __GADGET_TASKLET_HIGH__
tasklet_hi_schedule(&_ifxep->cmpt_tasklet);
#else
tasklet_schedule(&_ifxep->cmpt_tasklet);
#endif
}
else
_ifxep->cmpt_tasklet_in_process=0;
}
/**
* This function is called when an EP is disabled due to disconnect or
* change in configuration. Any pending requests will terminate with a
* status of -ESHUTDOWN.
*
* This function modifies the dwc_otg_ep_t data structure for this EP,
* and then calls dwc_otg_ep_deactivate.
*/
static int dwc_otg_pcd_ep_disable(struct usb_ep *_ep)
{
dwc_otg_pcd_ep_t *ep;
unsigned long flags;
DWC_DEBUGPL(DBG_PCDV,"%s(%p)\n", __func__, _ep);
ep = container_of(_ep, dwc_otg_pcd_ep_t, ep);
if (!_ep || !ep->desc)
{
DWC_DEBUGPL(DBG_PCD, "%s, %s not enabled\n", __func__,
_ep ? ep->ep.name : NULL);
return -EINVAL;
}
SPIN_LOCK_IRQSAVE(&ep->pcd->lock, flags);
request_nuke( ep );
dwc_otg_ep_deactivate( GET_CORE_IF(ep->pcd), &ep->dwc_ep );
ep->desc = 0;
ep->stopped = 1;
if(ep->dwc_ep.is_in)
{
release_perio_tx_fifo(GET_CORE_IF(ep->pcd), ep->dwc_ep.tx_fifo_num);
release_tx_fifo(GET_CORE_IF(ep->pcd), ep->dwc_ep.tx_fifo_num);
}
SPIN_UNLOCK_IRQRESTORE(&ep->pcd->lock, flags);
DWC_DEBUGPL(DBG_PCD, "%s disabled\n", _ep->name);
return 0;
}
int
pcan_fifo_put (register FIFO_MANAGER * anchor, void *pvPutData)
{
int err = 0;
DECLARE_SPIN_LOCK_IRQSAVE_FLAGS;
/* DPRINTK("sn_fifo_put() %d %p %p\n", anchor->nStored, anchor->r, anchor->w); */
SPIN_LOCK_IRQSAVE (&anchor->lock);
if (anchor->nStored < anchor->nCount)
{
memcpy (anchor->w, pvPutData, anchor->wCopySize);
anchor->nStored++;
anchor->dwTotal++;
if (anchor->w < anchor->bufferEnd)
anchor->w += anchor->wStepSize; // increment to next
else
anchor->w = anchor->bufferBegin; // start from begin
}
else
err = -ENOSPC;
SPIN_UNLOCK_IRQRESTORE (&anchor->lock);
return err;
}
int
pcan_fifo_get (register FIFO_MANAGER * anchor, void *pvGetData)
{
int err = 0;
DECLARE_SPIN_LOCK_IRQSAVE_FLAGS;
/* DPRINTK("pcan_fifo_get() %d %p %p\n", anchor->nStored, anchor->r, anchor->w); */
SPIN_LOCK_IRQSAVE (&anchor->lock);
if (anchor->nStored > 0)
{
memcpy (pvGetData, anchor->r, anchor->wCopySize);
anchor->nStored--;
if (anchor->r < anchor->bufferEnd)
anchor->r += anchor->wStepSize; /* increment to next */
else
anchor->r = anchor->bufferBegin; /* start from begin */
}
else
err = -ENODATA;
SPIN_UNLOCK_IRQRESTORE (&anchor->lock);
return err;
}
//----------------------------------------------------------------------------
// returns 0 if the fifo is full
int pcan_fifo_not_full(FIFO_MANAGER *anchor)
{
#ifdef PCAN_FIFO_FIX_NOT_FULL_TEST
int r;
DECLARE_SPIN_LOCK_IRQSAVE_FLAGS;
SPIN_LOCK_IRQSAVE(&anchor->lock);
r = (anchor->nStored < anchor->nCount);
SPIN_UNLOCK_IRQRESTORE(&anchor->lock);
return r;
#else
return (anchor->nStored < (anchor->nCount - 1));
#endif
}
//****************************************************************************
// CODE
int pcan_fifo_reset(register FIFO_MANAGER *anchor)
{
DECLARE_SPIN_LOCK_IRQSAVE_FLAGS;
SPIN_LOCK_IRQSAVE(&anchor->lock);
anchor->dwTotal = 0;
anchor->nStored = 0;
anchor->r = anchor->w = anchor->bufferBegin; // nothing to read
SPIN_UNLOCK_IRQRESTORE(&anchor->lock);
// DPRINTK(KERN_DEBUG "%s: pcan_fifo_reset() %d %p %pd\n", DEVICE_NAME, anchor->nStored, anchor->r, anchor->w);
return 0;
}
static void pcan_dongle_writereg(struct pcandev *dev, u8 port, u8 data) // write a register
{
u16 _PA_ = (u16)dev->port.dng.dwPort;
u16 _PC_ = _PA_ + 2;
u8 irqEnable = inb(_PC_) & 0x10; // don't influence irqEnable
DECLARE_SPIN_LOCK_IRQSAVE_FLAGS;
SPIN_LOCK_IRQSAVE(&dev->port.dng.lock);
outb((0x0B ^ 0x0D) | irqEnable, _PC_);
outb(port & 0x1F, _PA_);
outb((0x0B ^ 0x0C) | irqEnable, _PC_);
outb(data, _PA_);
outb((0x0B ^ 0x0D) | irqEnable, _PC_);
SPIN_UNLOCK_IRQRESTORE(&dev->port.dng.lock);
}
// functions for EPP port
static u8 pcan_dongle_epp_readreg(struct pcandev *dev, u8 port) // read a register
{
u16 _PA_ = (u16)dev->port.dng.dwPort;
u16 _PC_ = _PA_ + 2;
u8 wert;
u8 irqEnable = inb(_PC_) & 0x10; // don't influence irqEnable
DECLARE_SPIN_LOCK_IRQSAVE_FLAGS;
SPIN_LOCK_IRQSAVE(&dev->port.dng.lock);
outb((0x0B ^ 0x0F) | irqEnable, _PC_);
outb((port & 0x1F) | 0x80, _PA_);
outb((0x0B ^ 0x2E) | irqEnable, _PC_);
wert = inb(_PA_);
outb((0x0B ^ 0x0F) | irqEnable, _PC_);
SPIN_UNLOCK_IRQRESTORE(&dev->port.dng.lock);
return wert;
}
// functions for SP port
static u8 pcan_dongle_sp_readreg(struct pcandev *dev, u8 port) // read a register
{
u16 _PA_ = (u16)dev->port.dng.dwPort;
u16 _PB_ = _PA_ + 1;
u16 _PC_ = _PB_ + 1;
u8 b0, b1 ;
u8 irqEnable = inb(_PC_) & 0x10; // don't influence irqEnable
DECLARE_SPIN_LOCK_IRQSAVE_FLAGS;
SPIN_LOCK_IRQSAVE(&dev->port.dng.lock);
outb((0x0B ^ 0x0D) | irqEnable, _PC_);
outb((port & 0x1F) | 0x80, _PA_);
outb((0x0B ^ 0x0C) | irqEnable, _PC_);
b1=nibble_decode[inb(_PB_)>>3];
outb(0x40, _PA_);
b0=nibble_decode[inb(_PB_)>>3];
outb((0x0B ^ 0x0D) | irqEnable, _PC_);
SPIN_UNLOCK_IRQRESTORE(&dev->port.dng.lock);
return (b1 << 4) | b0 ;
}
/**
* This function adds a QTD to the QTD-list of a QH. It will find the correct
* QH to place the QTD into. If it does not find a QH, then it will create a
* new QH. If the QH to which the QTD is added is not currently scheduled, it
* is placed into the proper schedule based on its EP type.
*
* @param[in] qtd The QTD to add
* @param[in] dwc_otg_hcd The DWC HCD structure
*
* @return 0 if successful, negative error code otherwise.
*/
int dwc_otg_hcd_qtd_add (dwc_otg_qtd_t *qtd,
dwc_otg_hcd_t *dwc_otg_hcd)
{
struct usb_host_endpoint *ep;
dwc_otg_qh_t *qh;
unsigned long flags;
int retval = 0;
struct urb *urb = qtd->urb;
SPIN_LOCK_IRQSAVE(&dwc_otg_hcd->lock, flags);
/*
* Get the QH which holds the QTD-list to insert to. Create QH if it
* doesn't exist.
*/
ep = dwc_urb_to_endpoint(urb);
qh = (dwc_otg_qh_t *)ep->hcpriv;
if (qh == NULL) {
qh = dwc_otg_hcd_qh_create (dwc_otg_hcd, urb);
if (qh == NULL) {
goto done;
}
ep->hcpriv = qh;
}
retval = dwc_otg_hcd_qh_add(dwc_otg_hcd, qh);
if (retval == 0) {
list_add_tail(&qtd->qtd_list_entry, &qh->qtd_list);
}
done:
SPIN_UNLOCK_IRQRESTORE(&dwc_otg_hcd->lock, flags);
return retval;
}
/**
* Deactivates a QH. For non-periodic QHs, removes the QH from the active
* non-periodic schedule. The QH is added to the inactive non-periodic
* schedule if any QTDs are still attached to the QH.
*
* For periodic QHs, the QH is removed from the periodic queued schedule. If
* there are any QTDs still attached to the QH, the QH is added to either the
* periodic inactive schedule or the periodic ready schedule and its next
* scheduled frame is calculated. The QH is placed in the ready schedule if
* the scheduled frame has been reached already. Otherwise it's placed in the
* inactive schedule. If there are no QTDs attached to the QH, the QH is
* completely removed from the periodic schedule.
*/
void dwc_otg_hcd_qh_deactivate(dwc_otg_hcd_t *hcd, dwc_otg_qh_t *qh, int sched_next_periodic_split)
{
unsigned long flags;
SPIN_LOCK_IRQSAVE(&hcd->lock, flags);
if (dwc_qh_is_non_per(qh)) {
dwc_otg_hcd_qh_remove(hcd, qh);
if (!list_empty(&qh->qtd_list)) {
/* Add back to inactive non-periodic schedule. */
dwc_otg_hcd_qh_add(hcd, qh);
}
} else {
uint16_t frame_number = dwc_otg_hcd_get_frame_number(dwc_otg_hcd_to_hcd(hcd));
if (qh->do_split) {
/* Schedule the next continuing periodic split transfer */
if (sched_next_periodic_split) {
qh->sched_frame = frame_number;
if (dwc_frame_num_le(frame_number,
dwc_frame_num_inc(qh->start_split_frame, 1))) {
/*
* Allow one frame to elapse after start
* split microframe before scheduling
* complete split, but DONT if we are
* doing the next start split in the
* same frame for an ISOC out.
*/
if ((qh->ep_type != USB_ENDPOINT_XFER_ISOC) || (qh->ep_is_in != 0)) {
qh->sched_frame = dwc_frame_num_inc(qh->sched_frame, 1);
}
}
} else {
qh->sched_frame = dwc_frame_num_inc(qh->start_split_frame,
qh->interval);
if (dwc_frame_num_le(qh->sched_frame, frame_number)) {
qh->sched_frame = frame_number;
}
qh->sched_frame |= 0x7;
qh->start_split_frame = qh->sched_frame;
}
} else {
qh->sched_frame = dwc_frame_num_inc(qh->sched_frame, qh->interval);
if (dwc_frame_num_le(qh->sched_frame, frame_number)) {
qh->sched_frame = frame_number;
}
}
if (list_empty(&qh->qtd_list)) {
dwc_otg_hcd_qh_remove(hcd, qh);
} else {
/*
* Remove from periodic_sched_queued and move to
* appropriate queue.
*/
if (qh->sched_frame == frame_number) {
list_move(&qh->qh_list_entry,
&hcd->periodic_sched_ready);
} else {
list_move(&qh->qh_list_entry,
&hcd->periodic_sched_inactive);
}
}
}
SPIN_UNLOCK_IRQRESTORE(&hcd->lock, flags);
}
/**
* This function is used to submit an I/O Request to an EP.
*
* - When the request completes the request's completion callback
* is called to return the request to the driver.
* - An EP, except control EPs, may have multiple requests
* pending.
* - Once submitted the request cannot be examined or modified.
* - Each request is turned into one or more packets.
* - A BULK EP can queue any amount of data; the transfer is
* packetized.
* - Zero length Packets are specified with the request 'zero'
* flag.
*/
static int dwc_otg_pcd_ep_queue(struct usb_ep *_ep,
struct usb_request *_req, int _gfp_flags)
{
int prevented = 0;
dwc_otg_pcd_request_t *req;
dwc_otg_pcd_ep_t *ep;
dwc_otg_pcd_t *pcd;
unsigned long flags = 0;
DWC_DEBUGPL(DBG_PCDV,"%s(%p,%p,%d)\n",
__func__, _ep, _req, _gfp_flags);
req = container_of(_req, dwc_otg_pcd_request_t, req);
if (!_req || !_req->complete || !_req->buf ||
!list_empty(&req->queue))
{
if( !_req ) printk("bad _req\n");
if( !_req->complete ) printk("bad _req->complete\n");
if( !_req->buf ) printk("bad _req->buf\n");
if( !list_empty(&req->queue) ) printk("bad list_empty\n");
DWC_WARN("%s, bad params\n", __func__);
return -EINVAL;
}
ep = container_of(_ep, dwc_otg_pcd_ep_t, ep);
if (!_ep || (!ep->desc && ep->dwc_ep.num != 0))
{
DWC_WARN("%s, bad ep\n", __func__);
return -EINVAL;
}
pcd = ep->pcd;
//cathy, if suspended, drop request
if ( (GET_CORE_IF(pcd)->dev_if->suspended == 1) && (ep->dwc_ep.num != 0) )
{
DWC_DEBUGPL(DBG_PCDV,"%s, epnum = %d, drop request\n", __func__, ep->dwc_ep.num);
return -ESHUTDOWN;
}
if (!pcd->driver || pcd->gadget.speed == USB_SPEED_UNKNOWN)
{
DWC_DEBUGPL(DBG_PCDV, "gadget.speed=%d\n", pcd->gadget.speed);
DWC_WARN("%s, bogus device state\n", __func__);
return -ESHUTDOWN;
}
DWC_DEBUGPL(DBG_PCD, "%s queue req %p, len %d buf %p\n",
_ep->name, _req, _req->length, _req->buf);
if (!GET_CORE_IF(pcd)->core_params->opt)
{
if (ep->dwc_ep.num != 0)
{
DWC_ERROR("%s queue req %p, len %d buf %p\n",
_ep->name, _req, _req->length, _req->buf);
}
}
SPIN_LOCK_IRQSAVE(&ep->pcd->lock, flags);
#if defined(DEBUG) & defined(VERBOSE)
dump_msg(_req->buf, _req->length);
#endif
_req->status = -EINPROGRESS;
_req->actual = 0;
/*
* For EP0 IN without premature status, zlp is required?
*/
if (ep->dwc_ep.num == 0 && ep->dwc_ep.is_in)
{
DWC_DEBUGPL(DBG_PCDV, "%s-OUT ZLP\n", _ep->name);
//_req->zero = 1;
}
/* Start the transfer */
if (list_empty(&ep->queue) && !ep->stopped)
{
/* EP0 Transfer? */
if (ep->dwc_ep.num == 0)
{
switch (pcd->ep0state)
{
case EP0_IN_DATA_PHASE:
DWC_DEBUGPL(DBG_PCD,
"%s ep0: EP0_IN_DATA_PHASE\n",
__func__);
break;
case EP0_OUT_DATA_PHASE:
DWC_DEBUGPL(DBG_PCD,
"%s ep0: EP0_OUT_DATA_PHASE\n",
__func__);
if (pcd->request_config)
{
/* Complete STATUS PHASE */
ep->dwc_ep.is_in = 1;
pcd->ep0state = EP0_STATUS;
}
break;
default:
DWC_DEBUGPL(DBG_ANY, "ep0: odd state %d\n",
pcd->ep0state);
SPIN_UNLOCK_IRQRESTORE(&pcd->lock, flags);
return -EL2HLT;
}
ep->dwc_ep.dma_addr = (u32)_req->buf & ~Uncache_Mask; //_req->dma; //cathy
ep->dwc_ep.start_xfer_buff = _req->buf;
ep->dwc_ep.xfer_buff = _req->buf;
ep->dwc_ep.xfer_len = _req->length;
ep->dwc_ep.xfer_count = 0;
ep->dwc_ep.sent_zlp = 0;
ep->dwc_ep.total_len = ep->dwc_ep.xfer_len;
dwc_otg_ep0_start_transfer( GET_CORE_IF(pcd),
&ep->dwc_ep );
}
else
{
/* Setup and start the Transfer */
ep->dwc_ep.dma_addr = (u32)_req->buf & ~Uncache_Mask; //_req->dma; //cathy
//ep->dwc_ep.dma_addr = _req->dma;
ep->dwc_ep.start_xfer_buff = _req->buf;
ep->dwc_ep.xfer_buff = _req->buf;
ep->dwc_ep.xfer_len = _req->length;
ep->dwc_ep.xfer_count = 0;
ep->dwc_ep.sent_zlp = 0;
ep->dwc_ep.total_len = ep->dwc_ep.xfer_len;
dwc_otg_ep_start_transfer( GET_CORE_IF(pcd),
&ep->dwc_ep );
}
}
if ((req != 0) || prevented)
{
++pcd->request_pending;
list_add_tail(&req->queue, &ep->queue);
//cathy
#if 0
if (ep->dwc_ep.is_in && ep->stopped && !(GET_CORE_IF(pcd)->dma_enable))
{
/** @todo NGS Create a function for this. */
diepmsk_data_t diepmsk = { .d32 = 0};
diepmsk.b.intktxfemp = 1;
dwc_modify_reg32( &GET_CORE_IF(pcd)->dev_if->dev_global_regs->diepmsk, 0, diepmsk.d32 );
}
#endif
}
/**
* This function is called by the Gadget Driver for each EP to be
* configured for the current configuration (SET_CONFIGURATION).
*
* This function initializes the dwc_otg_ep_t data structure, and then
* calls dwc_otg_ep_activate.
*/
static int dwc_otg_pcd_ep_enable(struct usb_ep *_ep,
const struct usb_endpoint_descriptor *_desc)
{
dwc_otg_pcd_ep_t *ep = 0;
dwc_otg_pcd_t *pcd = 0;
unsigned long flags;
DWC_DEBUGPL(DBG_PCDV,"%s(%p,%p)\n", __func__, _ep, _desc );
ep = container_of(_ep, dwc_otg_pcd_ep_t, ep);
if (!_ep || !_desc || ep->desc ||
_desc->bDescriptorType != USB_DT_ENDPOINT)
{
DWC_WARN( "%s, bad ep or descriptor\n", __func__);
return -EINVAL;
}
if (ep == &ep->pcd->ep0)
{
DWC_WARN("%s, bad ep(0)\n", __func__);
return -EINVAL;
}
/* Check FIFO size? */
if (!_desc->wMaxPacketSize)
{
DWC_WARN("%s, bad %s maxpacket\n", __func__, _ep->name);
return -ERANGE;
}
pcd = ep->pcd;
if (!pcd->driver || pcd->gadget.speed == USB_SPEED_UNKNOWN)
{
if (!pcd->driver) {
bh_otg_dbg2("[%s:%d] gadget[%s] !pcd->driver\n", __FUNCTION__, __LINE__, pcd->gadget.name);
}
if (pcd->gadget.speed == USB_SPEED_UNKNOWN) {
bh_otg_dbg2("[%s:%d] gadget[%s] USB_SPEED_UNKNOWN\n", __FUNCTION__, __LINE__, pcd->gadget.name);
}
DWC_WARN("%s, bogus device state\n", __func__);
return -ESHUTDOWN;
}
SPIN_LOCK_IRQSAVE(&pcd->lock, flags);
ep->desc = _desc;
ep->ep.maxpacket = le16_to_cpu (_desc->wMaxPacketSize);
/*
* Activate the EP
*/
ep->stopped = 0;
ep->dwc_ep.is_in = (USB_DIR_IN & _desc->bEndpointAddress) != 0;
ep->dwc_ep.maxpacket = ep->ep.maxpacket;
ep->dwc_ep.type = _desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
if(ep->dwc_ep.is_in)
{
if(!pcd->otg_dev->core_if->en_multiple_tx_fifo)
{
ep->dwc_ep.tx_fifo_num = 0;
if ((_desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
//cathy USB_ENDPOINT_XFER_ISOC )
USB_ENDPOINT_XFER_INT ) //assign interrupt in ep (ep3) to periodic tx fifo
{
/*
* if ISOC EP then assign a Periodic Tx FIFO.
*/
ep->dwc_ep.tx_fifo_num = assign_perio_tx_fifo(pcd->otg_dev->core_if);
}
}
else
{
/*
* if Dedicated FIFOs mode is on then assign a Tx FIFO.
*/
ep->dwc_ep.tx_fifo_num = assign_tx_fifo(pcd->otg_dev->core_if);
}
}
/* Set initial data PID. */
if ((_desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
USB_ENDPOINT_XFER_BULK )
{
ep->dwc_ep.data_pid_start = 0;
}
DWC_DEBUGPL(DBG_PCD, "Activate %s-%s: type=%d, mps=%d desc=%p\n",
ep->ep.name, (ep->dwc_ep.is_in ?"IN":"OUT"),
ep->dwc_ep.type, ep->dwc_ep.maxpacket, ep->desc );
dwc_otg_ep_activate( GET_CORE_IF(pcd), &ep->dwc_ep );
SPIN_UNLOCK_IRQRESTORE(&pcd->lock, flags);
return 0;
}
static void
_sis1100_irq_thread(struct sis1100_softc* sc, enum handlercomm command)
{
u_int32_t new_irqs=0;
int i;
mutex_lock(&sc->sem_irqinfo);
if (command&handlercomm_doorbell) {
DECLARE_SPINLOCKFLAGS(flags)
u_int32_t doorbell;
SPIN_LOCK_IRQSAVE(sc->lock_doorbell, flags);
doorbell=sc->doorbell;
sc->doorbell=0;
SPIN_UNLOCK_IRQRESTORE(sc->lock_doorbell, flags);
switch (sc->remote_hw) {
case sis1100_hw_vme:
new_irqs|=sis3100rem_irq_handler(sc, doorbell);
break;
case sis1100_hw_camac:
new_irqs|=sis5100rem_irq_handler(sc, doorbell);
break;
case sis1100_hw_pci:
/* do nothing */
break;
case sis1100_hw_lvd:
new_irqs|=zellvd_rem_irq_handler(sc, doorbell);
break;
case sis1100_hw_pandapixel:
new_irqs|=pandapixel_rem_irq_handler(sc, doorbell);
break;
case sis1100_hw_psf4ad:
/* do nothing */
case sis1100_hw_invalid:
/* do nothing */
break;
}
}
if (command&handlercomm_lemo) {
new_irqs|=sis1100_lemo_handler(sc);
}
if (command&handlercomm_mbx0) {
new_irqs|=sis1100_mbox0_handler(sc);
}
/* this is called from sis1100_link_up_handler for both
'UP' and 'DOWN' of link one second after status change */
if (command&handlercomm_up) {
new_irqs|=sis1100_synch_handler(sc);
}
if (command&handlercomm_ddma) {
new_irqs|=sis1100_ddma_handler(sc);
}
sc->pending_irqs|=new_irqs;
mutex_unlock(&sc->sem_irqinfo);
/* inform processes via signal if requested */
mutex_lock(&sc->sem_fdata);
for (i=0; i<sis1100_MINORUTMASK+1; i++) {
if (sc->fdata[i]) {
struct sis1100_fdata* fd=sc->fdata[i];
if (fd->sig>0 && ((new_irqs & fd->owned_irqs)||
(fd->old_remote_hw!=sc->remote_hw))) {
int res;
/* XXXY muss raus */
pERROR(sc, "irq_pending=%d pending_irqs=0x%x",
irq_pending(sc, fd, fd->owned_irqs),
sc->pending_irqs);
pERROR(sc, "sig=%d new_irqs=0x%x owned_irqs=0x%x",
fd->sig, new_irqs, fd->owned_irqs);
pERROR(sc, "old_remote_hw=%d remote_hw=%d",
fd->old_remote_hw, sc->remote_hw);
/* XXXY muss raus */
pERROR(sc, "send sig to %d", pid_nr(fd->pid));
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
res=kill_proc(fd->pid, fd->sig, 1);
#else
res=kill_pid(fd->pid, fd->sig, 1);
#endif
if (res)
pINFO(sc, "send sig %d to %u: res=%d",
fd->sig, pid_nr(fd->pid), res);
}
}
}
mutex_unlock(&sc->sem_fdata);
/* wake up processes waiting in sis1100_irq_wait or doing select */
#ifdef __NetBSD__
wakeup(&sc->remoteirq_wait);
selwakeup(&sc->sel);
#elif __linux__
wake_up_interruptible(&sc->remoteirq_wait);
#endif
}
int
#else
void
#endif
sis1100_irq_thread(void* data)
{
struct sis1100_softc* sc=(struct sis1100_softc*)data;
enum handlercomm command;
DECLARE_SPINLOCKFLAGS(flags);
#ifdef __linux__
#if LINUX_VERSION_CODE < 0x20600
daemonize();
snprintf(current->comm, sizeof(current->comm), "sis1100_%02d", sc->unit);
SPIN_LOCK_IRQSAVE(current->sigmask_lock, flags);
sigemptyset(¤t->blocked);
recalc_sigpending(current);
SPIN_UNLOCK_IRQRESTORE(current->sigmask_lock, flags);
#endif
#endif /*__linux__*/
while (1) {
#ifdef __NetBSD__
tsleep(&sc->handler_wait, PCATCH, "thread_vmeirq", 0);
#elif __linux__
/* prepare to sleep */
__set_current_state(TASK_INTERRUPTIBLE);
/* don't sleep if command!=0 */
if (sc->handlercommand.command)
__set_current_state(TASK_RUNNING);
else
schedule();
#endif
if (kthread_should_stop())
return 0;
SPIN_LOCK_IRQSAVE(sc->handlercommand.lock, flags);
command=sc->handlercommand.command;
sc->handlercommand.command=0;
SPIN_UNLOCK_IRQRESTORE(sc->handlercommand.lock, flags);
#if 0
pERROR(sc, "irq_thread: command=0x%x", command);
#endif
_sis1100_irq_thread(sc, command);
#ifdef __linux__
if (signal_pending (current)) {
SPIN_LOCK_IRQSAVE(current->SIGMASK_LOCK, flags);
flush_signals(current);
SPIN_UNLOCK_IRQRESTORE(current->SIGMASK_LOCK, flags);
}
#endif /*__linux__*/
}
#ifdef __linux__
return 0;
#endif
}