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FMC TDC 1ns 5cha - Software
Commit 037b748b authored by Federico Vaga's avatar Federico Vaga
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kernel:fifo: enable irq according to channel status 

Signed-off-by: Federico Vaga's avatarFederico Vaga <federico.vaga@cern.ch>
parent 82a13598
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kernel/ft-zio.c
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......@@ -288,10 +288,35 @@ static const struct zio_sysfs_operations ft_zio_sysfs_ops = {
.info_get = ft_zio_info_get,
};
/**
* It enables/disables interrupts according to the enable/disable
* status of the correspondent channel
*/
static void ft_change_flags(struct zio_obj_head *head, unsigned long mask)
{
struct zio_channel *chan;
struct fmctdc_dev *ft;
unsigned int offset;
/* We manage only status flag */
if (!(mask & ZIO_STATUS))
return;
ft = zdev->priv_d;
chan = to_zio_chan(&head->dev);
offset = (chan->flags & ZIO_STATUS ? TDC_REG_EIC_IDR : TDC_REG_EIC_IER);
fmc_writel(ft->fmc, 1 << cset->index, ft->ft_irq_base + offset);
}
static struct zio_channel ft_chan_tmpl = {
.change_flags = ft_change_flags,
};
#define DECLARE_CHANNEL(ch_name) \
{\
ZIO_SET_OBJ_NAME(ch_name),\
.raw_io = ft_zio_input,\
.chan_template = &ft_chan_tmpl,\
.n_chan = 1,\
.ssize = 4, /* FIXME: 0? */\
.flags = ZIO_DIR_INPUT | ZIO_CSET_TYPE_TIME | \
......
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