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gpib: Add ines 72130 line_status routine

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The 72130 chip has a different bus statue register offset
and layout.

Signed-off-by: Dave Penkler <dpenkler@gmail.com>
Link: https://patch.msgid.link/20260411172511.26546-3-dpenkler@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dave Penkler 2026-04-11 19:25:07 +02:00 committed by Greg Kroah-Hartman
parent 63625f43d1
commit 3be376ac8f
1 changed files with 28 additions and 0 deletions
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28
drivers/gpib/ines/ines_gpib.c
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@ -57,6 +57,34 @@ static int ines_line_status(const struct gpib_board *board)
return status;
}
static int ines72130_line_status(const struct gpib_board *board)
{
int status = VALID_ALL;
int bsr_bits;
struct ines_priv *ines_priv = board->private_data;
bsr_bits = ines_inb(ines_priv, BUS_STATUS_REG);
if (bsr_bits & BSR_REN_BIT)
status |= BUS_REN;
if (bsr_bits & BSR_IFC_BIT)
status |= BUS_IFC;
if (bsr_bits & BSR_SRQ_BIT)
status |= BUS_SRQ;
if (bsr_bits & BSR_EOI_BIT)
status |= BUS_EOI;
if (bsr_bits & BSR_NRFD_BIT)
status |= BUS_NRFD;
if (bsr_bits & BSR_NDAC_BIT)
status |= BUS_NDAC;
if (bsr_bits & BSR_DAV_BIT)
status |= BUS_DAV;
if (bsr_bits & BSR_ATN_BIT)
status |= BUS_ATN;
return status;
}
static void ines_set_xfer_counter(struct ines_priv *priv, unsigned int count)
{
if (count > 0xffff) {