diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/ni_pcidio.c')
-rw-r--r-- | drivers/staging/comedi/drivers/ni_pcidio.c | 37 |
1 files changed, 7 insertions, 30 deletions
diff --git a/drivers/staging/comedi/drivers/ni_pcidio.c b/drivers/staging/comedi/drivers/ni_pcidio.c index 7112c3fec8bb..02a532990979 100644 --- a/drivers/staging/comedi/drivers/ni_pcidio.c +++ b/drivers/staging/comedi/drivers/ni_pcidio.c @@ -284,12 +284,12 @@ static const struct nidio_board nidio_boards[] = { }; struct nidio96_private { - struct mite_struct *mite; + struct mite *mite; int boardtype; int dio; unsigned short OpModeBits; struct mite_channel *di_mite_chan; - struct mite_dma_descriptor_ring *di_mite_ring; + struct mite_ring *di_mite_ring; spinlock_t mite_channel_lock; }; @@ -324,8 +324,6 @@ static void ni_pcidio_release_di_mite_channel(struct comedi_device *dev) spin_lock_irqsave(&devpriv->mite_channel_lock, flags); if (devpriv->di_mite_chan) { - mite_dma_disarm(devpriv->di_mite_chan); - mite_dma_reset(devpriv->di_mite_chan); mite_release_channel(devpriv->di_mite_chan); devpriv->di_mite_chan = NULL; writeb(primary_DMAChannel_bits(0) | @@ -370,7 +368,7 @@ static int ni_pcidio_poll(struct comedi_device *dev, struct comedi_subdevice *s) spin_lock_irqsave(&dev->spinlock, irq_flags); spin_lock(&devpriv->mite_channel_lock); if (devpriv->di_mite_chan) - mite_sync_input_dma(devpriv->di_mite_chan, s); + mite_sync_dma(devpriv->di_mite_chan, s); spin_unlock(&devpriv->mite_channel_lock); count = comedi_buf_n_bytes_ready(s); spin_unlock_irqrestore(&dev->spinlock, irq_flags); @@ -383,12 +381,10 @@ static irqreturn_t nidio_interrupt(int irq, void *d) struct nidio96_private *devpriv = dev->private; struct comedi_subdevice *s = dev->read_subdev; struct comedi_async *async = s->async; - struct mite_struct *mite = devpriv->mite; unsigned int auxdata; int flags; int status; int work = 0; - unsigned int m_status = 0; /* interrupcions parasites */ if (!dev->attached) { @@ -403,24 +399,9 @@ static irqreturn_t nidio_interrupt(int irq, void *d) flags = readb(dev->mmio + Group_1_Flags); spin_lock(&devpriv->mite_channel_lock); - if (devpriv->di_mite_chan) - m_status = mite_get_status(devpriv->di_mite_chan); - - if (m_status & CHSR_INT) { - if (m_status & CHSR_LINKC) { - writel(CHOR_CLRLC, - mite->mite_io_addr + - MITE_CHOR(devpriv->di_mite_chan->channel)); - mite_sync_input_dma(devpriv->di_mite_chan, s); - /* XXX need to byteswap */ - } - if (m_status & ~(CHSR_INT | CHSR_LINKC | CHSR_DONE | CHSR_DRDY | - CHSR_DRQ1 | CHSR_MRDY)) { - dev_dbg(dev->class_dev, - "unknown mite interrupt, disabling IRQ\n"); - async->events |= COMEDI_CB_ERROR; - disable_irq(dev->irq); - } + if (devpriv->di_mite_chan) { + mite_ack_linkc(devpriv->di_mite_chan, s, false); + /* XXX need to byteswap sync'ed dma */ } spin_unlock(&devpriv->mite_channel_lock); @@ -916,14 +897,10 @@ static int nidio_auto_attach(struct comedi_device *dev, spin_lock_init(&devpriv->mite_channel_lock); - devpriv->mite = mite_alloc(pcidev); + devpriv->mite = mite_attach(dev, false); /* use win0 */ if (!devpriv->mite) return -ENOMEM; - ret = mite_setup(dev, devpriv->mite); - if (ret < 0) - return ret; - devpriv->di_mite_ring = mite_alloc_ring(devpriv->mite); if (!devpriv->di_mite_ring) return -ENOMEM; |