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staging: comedi: addi_apci_3120: define the AI FIFO register

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Define the offset for the analog input FIFO register.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2014-11-04 10:55:12 -07:00 • committed by Greg Kroah-Hartman
parent 4646364cc8
commit ecaf4c41da
2 changed files with 3 additions and 4 deletions
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4
drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
View file

@ -43,8 +43,6 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
#define APCI3120_START 1
#define APCI3120_STOP 0
#define APCI3120_RD_FIFO 0x00
/* software trigger dummy register */
#define APCI3120_START_CONVERSION 0x02
@ -408,7 +406,7 @@ static irqreturn_t apci3120_interrupt(int irq, void *d)
int i;
for (i = 0; i < cmd->chanlist_len; i++) {
val = inw(dev->iobase + 0);
val = inw(dev->iobase + APCI3120_AI_FIFO_REG);
comedi_buf_write_samples(s, &val, 1);
}

3
drivers/staging/comedi/drivers/addi_apci_3120.c
View file

@ -16,6 +16,7 @@
/*
* PCI BAR 1 register map (dev->iobase)
*/
#define APCI3120_AI_FIFO_REG 0x00
#define APCI3120_CTRL_REG 0x00
#define APCI3120_CTRL_EXT_TRIG (1 << 15)
#define APCI3120_CTRL_GATE(x) (1 << (12 + (x)))
@ -370,7 +371,7 @@ static int apci3120_ai_insn_read(struct comedi_device *dev,
if (ret)
return ret;
data[i] = inw(dev->iobase + 0);
data[i] = inw(dev->iobase + APCI3120_AI_FIFO_REG);
}
return insn->n;