static int videobuf_dvb_thread(void *data)
{
struct videobuf_dvb *dvb = data;
struct videobuf_buffer *buf;
unsigned long flags;
int err;
void *outp;
dprintk("dvb thread started\n");
set_freezable();
videobuf_read_start(&dvb->dvbq);
for (;;) {
/* fetch next buffer */
buf = list_entry(dvb->dvbq.stream.next,
struct videobuf_buffer, stream);
list_del(&buf->stream);
err = videobuf_waiton(buf,0,1);
/* no more feeds left or stop_feed() asked us to quit */
if (0 == dvb->nfeeds)
break;
if (kthread_should_stop())
break;
try_to_freeze();
/* feed buffer data to demux */
outp = videobuf_queue_to_vmalloc (&dvb->dvbq, buf);
if (buf->state == VIDEOBUF_DONE)
dvb_dmx_swfilter(&dvb->demux, outp,
buf->size);
/* requeue buffer */
list_add_tail(&buf->stream,&dvb->dvbq.stream);
spin_lock_irqsave(dvb->dvbq.irqlock,flags);
dvb->dvbq.ops->buf_queue(&dvb->dvbq,buf);
spin_unlock_irqrestore(dvb->dvbq.irqlock,flags);
}
videobuf_read_stop(&dvb->dvbq);
dprintk("dvb thread stopped\n");
/* Hmm, linux becomes *very* unhappy without this ... */
while (!kthread_should_stop()) {
set_current_state(TASK_INTERRUPTIBLE);
schedule();
}
return 0;
}
static void solo_fillbuf(struct solo_filehandle *fh,
struct videobuf_buffer *vb)
{
struct solo6010_dev *solo_dev = fh->solo_dev;
dma_addr_t vbuf;
unsigned int fdma_addr;
int error = -1;
int i;
if (!(vbuf = videobuf_to_dma_contig(vb)))
goto finish_buf;
if (erase_off(solo_dev)) {
void *p = videobuf_queue_to_vmalloc(&fh->vidq, vb);
int image_size = solo_image_size(solo_dev);
for (i = 0; i < image_size; i += 2) {
((u8 *)p)[i] = 0x80;
((u8 *)p)[i + 1] = 0x00;
}
error = 0;
} else {
fdma_addr = SOLO_DISP_EXT_ADDR(solo_dev) + (fh->old_write *
(SOLO_HW_BPL * solo_vlines(solo_dev)));
error = solo_p2m_dma_t(solo_dev, 0, vbuf, fdma_addr,
solo_bytesperline(solo_dev),
solo_vlines(solo_dev), SOLO_HW_BPL);
}
finish_buf:
if (error) {
vb->state = VIDEOBUF_ERROR;
} else {
vb->state = VIDEOBUF_DONE;
vb->field_count++;
}
wake_up(&vb->done);
}
