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yaml
---
r: 338302
b: refs/heads/master
c: 7180eb3
h: refs/heads/master
v: v3
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H Hartley Sweeten authored and Greg Kroah-Hartman committed Nov 30, 2012
1 parent b2ddfbc commit fe059f4
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Showing 2 changed files with 58 additions and 80 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: d02178b7fb1f2545ebe1004dc8f1f4436a9d37c1
refs/heads/master: 7180eb30deee6c05b8924348a7ac7d4deefcf56e
136 changes: 57 additions & 79 deletions trunk/drivers/staging/comedi/drivers/addi_apci_2032.c
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Original file line number Diff line number Diff line change
Expand Up @@ -37,23 +37,24 @@
/*
* PCI bar 1 I/O Register map
*/
#define APCI2032_DIGITAL_OP 0
#define APCI2032_DIGITAL_OP_RW 0
#define APCI2032_DIGITAL_OP_INTERRUPT 4
#define APCI2032_DIGITAL_OP_INTERRUPT_STATUS 8
#define APCI2032_DIGITAL_OP_IRQ 12

#define APCI2032_DIGITAL_OP_VCC_INTERRUPT_ENABLE 0x1
#define APCI2032_DIGITAL_OP_VCC_INTERRUPT_DISABLE 0xfffffffe
#define APCI2032_DIGITAL_OP_CC_INTERRUPT_ENABLE 0x2
#define APCI2032_DIGITAL_OP_CC_INTERRUPT_DISABLE 0xfffffffd

#define APCI2032_DIGITAL_OP_WATCHDOG 16
#define APCI2032_TCW_RELOAD_VALUE 4
#define APCI2032_TCW_TIMEBASE 8
#define APCI2032_TCW_PROG 12
#define APCI2032_TCW_TRIG_STATUS 16
#define APCI2032_TCW_IRQ 20
#define APCI2032_DO_REG 0x00
#define APCI2032_INT_CTRL_REG 0x04
#define APCI2032_INT_CTRL_VCC_ENA (1 << 0)
#define APCI2032_INT_CTRL_CC_ENA (1 << 1)
#define APCI2032_INT_STATUS_REG 0x08
#define APCI2032_INT_STATUS_VCC (1 << 0)
#define APCI2032_INT_STATUS_CC (1 << 1)
#define APCI2032_STATUS_REG 0x0c
#define APCI2032_STATUS_IRQ (1 << 0)
#define APCI2032_WDOG_REG 0x10
#define APCI2032_WDOG_RELOAD_REG 0x14
#define APCI2032_WDOG_TIMEBASE 0x18
#define APCI2032_WDOG_CTRL_REG 0x1c
#define APCI2032_WDOG_CTRL_ENABLE (1 << 0)
#define APCI2032_WDOG_CTRL_SW_TRIG (1 << 9)
#define APCI2032_WDOG_STATUS_REG 0x20
#define APCI2032_WDOG_STATUS_ENABLED (1 << 0)
#define APCI2032_WDOG_STATUS_SW_TRIG (1 << 1)

static unsigned int ui_InterruptData, ui_Type;

Expand All @@ -71,28 +72,26 @@ static int i_APCI2032_ConfigDigitalOutput(struct comedi_device *dev,
comedi_error(dev,
"Not a valid Data !!! ,Data should be 1 or 0\n");
return -EINVAL;
} /* if ( (data[0]!=0) && (data[0]!=1) ) */
if (data[0]) {
}

if (data[0])
devpriv->b_OutputMemoryStatus = ADDIDATA_ENABLE;
} /* if (data[0]) */
else {
else
devpriv->b_OutputMemoryStatus = ADDIDATA_DISABLE;
} /* else if (data[0]) */

if (data[1] == ADDIDATA_ENABLE) {
ul_Command = ul_Command | 0x1;
} /* if (data[1] == ADDIDATA_ENABLE) */
else {
ul_Command = ul_Command & 0xFFFFFFFE;
} /* elseif (data[1] == ADDIDATA_ENABLE) */
if (data[2] == ADDIDATA_ENABLE) {
ul_Command = ul_Command | 0x2;
} /* if (data[2] == ADDIDATA_ENABLE) */
else {
ul_Command = ul_Command & 0xFFFFFFFD;
} /* elseif (data[2] == ADDIDATA_ENABLE) */
outl(ul_Command, dev->iobase + APCI2032_DIGITAL_OP_INTERRUPT);
ui_InterruptData = inl(dev->iobase + APCI2032_DIGITAL_OP_INTERRUPT);

if (data[1] == ADDIDATA_ENABLE)
ul_Command |= APCI2032_INT_CTRL_VCC_ENA;
else
ul_Command &= ~APCI2032_INT_CTRL_VCC_ENA;

if (data[2] == ADDIDATA_ENABLE)
ul_Command |= APCI2032_INT_CTRL_CC_ENA;
else
ul_Command &= ~APCI2032_INT_CTRL_CC_ENA;

outl(ul_Command, dev->iobase + APCI2032_INT_CTRL_REG);
ui_InterruptData = inl(dev->iobase + APCI2032_INT_CTRL_REG);

return insn->n;
}

Expand All @@ -104,12 +103,12 @@ static int apci2032_do_insn_bits(struct comedi_device *dev,
unsigned int mask = data[0];
unsigned int bits = data[1];

s->state = inl(dev->iobase + APCI2032_DIGITAL_OP_RW);
s->state = inl(dev->iobase + APCI2032_DO_REG);
if (mask) {
s->state &= ~mask;
s->state |= (bits & mask);

outl(s->state, dev->iobase + APCI2032_DIGITAL_OP);
outl(s->state, dev->iobase + APCI2032_DO_REG);
}

data[1] = s->state;
Expand All @@ -124,13 +123,9 @@ static int i_APCI2032_ConfigWatchdog(struct comedi_device *dev,
{
if (data[0] == 0) {
/* Disable the watchdog */
outl(0x0,
dev->iobase + APCI2032_DIGITAL_OP_WATCHDOG +
APCI2032_TCW_PROG);
outl(0x0, dev->iobase + APCI2032_WDOG_CTRL_REG);
/* Loading the Reload value */
outl(data[1],
dev->iobase + APCI2032_DIGITAL_OP_WATCHDOG +
APCI2032_TCW_RELOAD_VALUE);
outl(data[1], dev->iobase + APCI2032_WDOG_RELOAD_REG);
} else {
printk("\nThe input parameters are wrong\n");
return -EINVAL;
Expand All @@ -146,17 +141,13 @@ static int i_APCI2032_StartStopWriteWatchdog(struct comedi_device *dev,
{
switch (data[0]) {
case 0: /* stop the watchdog */
outl(0x0, dev->iobase + APCI2032_DIGITAL_OP_WATCHDOG + APCI2032_TCW_PROG); /* disable the watchdog */
outl(0x0, dev->iobase + APCI2032_WDOG_CTRL_REG);
break;
case 1: /* start the watchdog */
outl(0x0001,
dev->iobase + APCI2032_DIGITAL_OP_WATCHDOG +
APCI2032_TCW_PROG);
outl(0x0001, dev->iobase + APCI2032_WDOG_CTRL_REG);
break;
case 2: /* Software trigger */
outl(0x0201,
dev->iobase + APCI2032_DIGITAL_OP_WATCHDOG +
APCI2032_TCW_PROG);
outl(0x0201, dev->iobase + APCI2032_WDOG_CTRL_REG);
break;
default:
printk("\nSpecified functionality does not exist\n");
Expand All @@ -170,9 +161,7 @@ static int i_APCI2032_ReadWatchdog(struct comedi_device *dev,
struct comedi_insn *insn,
unsigned int *data)
{
data[0] =
inl(dev->iobase + APCI2032_DIGITAL_OP_WATCHDOG +
APCI2032_TCW_TRIG_STATUS) & 0x1;
data[0] = inl(dev->iobase + APCI2032_WDOG_STATUS_REG) & 0x1;
return insn->n;
}

Expand All @@ -184,39 +173,28 @@ static int i_APCI2032_ReadInterruptStatus(struct comedi_device *dev,
*data = ui_Type;
return insn->n;
}

static void v_APCI2032_Interrupt(int irq, void *d)
{
struct comedi_device *dev = d;
struct addi_private *devpriv = dev->private;
unsigned int ui_DO;

ui_DO = inl(dev->iobase + APCI2032_DIGITAL_OP_IRQ) & 0x1; /* Check if VCC OR CC interrupt has occurred. */
/* Check if VCC OR CC interrupt has occurred */
ui_DO = inl(dev->iobase + APCI2032_STATUS_REG) & APCI2032_STATUS_IRQ;

if (ui_DO == 0) {
printk("\nInterrupt from unKnown source\n");
} /* if(ui_DO==0) */
if (ui_DO) {
/* Check for Digital Output interrupt Type - 1: Vcc interrupt 2: CC interrupt. */
ui_Type =
inl(dev->iobase +
APCI2032_DIGITAL_OP_INTERRUPT_STATUS) & 0x3;
outl(0x0,
dev->iobase + APCI2032_DIGITAL_OP +
APCI2032_DIGITAL_OP_INTERRUPT);
if (ui_Type == 1) {
/* Sends signal to user space */
send_sig(SIGIO, devpriv->tsk_Current, 0);
} /* if (ui_Type==1) */
else {
if (ui_Type == 2) {
/* Sends signal to user space */
send_sig(SIGIO, devpriv->tsk_Current, 0);
} /* if (ui_Type==2) */
} /* else if (ui_Type==1) */
} /* if(ui_DO) */

return;
ui_Type = inl(dev->iobase + APCI2032_INT_STATUS_REG);
ui_Type &= (APCI2032_INT_STATUS_VCC | APCI2032_INT_STATUS_CC);
outl(0x0, dev->iobase + APCI2032_INT_CTRL_REG);

if (ui_Type)
send_sig(SIGIO, devpriv->tsk_Current, 0);
}
}

static irqreturn_t v_ADDI_Interrupt(int irq, void *d)
Expand All @@ -231,10 +209,10 @@ static int apci2032_reset(struct comedi_device *dev)

devpriv->b_DigitalOutputRegister = 0;
ui_Type = 0;
outl(0x0, dev->iobase + APCI2032_DIGITAL_OP);
outl(0x0, dev->iobase + APCI2032_DIGITAL_OP_INTERRUPT);
outl(0x0, dev->iobase + APCI2032_DIGITAL_OP_WATCHDOG + APCI2032_TCW_PROG);
outl(0x0, dev->iobase + APCI2032_DIGITAL_OP_WATCHDOG + APCI2032_TCW_RELOAD_VALUE);
outl(0x0, dev->iobase + APCI2032_DO_REG);
outl(0x0, dev->iobase + APCI2032_INT_CTRL_REG);
outl(0x0, dev->iobase + APCI2032_WDOG_CTRL_REG);
outl(0x0, dev->iobase + APCI2032_WDOG_RELOAD_REG);

return 0;
}
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