aboutsummaryrefslogtreecommitdiff
path: root/drivers/staging/comedi/drivers/daqboard2000.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/staging/comedi/drivers/daqboard2000.c')
-rw-r--r--drivers/staging/comedi/drivers/daqboard2000.c230
1 files changed, 116 insertions, 114 deletions
diff --git a/drivers/staging/comedi/drivers/daqboard2000.c b/drivers/staging/comedi/drivers/daqboard2000.c
index 3b8444f09f2..d4526c616a9 100644
--- a/drivers/staging/comedi/drivers/daqboard2000.c
+++ b/drivers/staging/comedi/drivers/daqboard2000.c
@@ -119,6 +119,7 @@ Configuration options:
#include "../comedidev.h"
#include <linux/delay.h>
+#include <linux/interrupt.h>
#include "comedi_pci.h"
#include "8255.h"
@@ -129,7 +130,7 @@ Configuration options:
#define DAQBOARD2000_DAQ_SIZE 0x1002
#define DAQBOARD2000_PLX_SIZE 0x100
-// Initialization bits for the Serial EEPROM Control Register
+/* Initialization bits for the Serial EEPROM Control Register */
#define DAQBOARD2000_SECRProgPinHi 0x8001767e
#define DAQBOARD2000_SECRProgPinLo 0x8000767e
#define DAQBOARD2000_SECRLocalBusHi 0xc000767e
@@ -137,14 +138,14 @@ Configuration options:
#define DAQBOARD2000_SECRReloadHi 0xa000767e
#define DAQBOARD2000_SECRReloadLo 0x8000767e
-// SECR status bits
+/* SECR status bits */
#define DAQBOARD2000_EEPROM_PRESENT 0x10000000
-// CPLD status bits
+/* CPLD status bits */
#define DAQBOARD2000_CPLD_INIT 0x0002
#define DAQBOARD2000_CPLD_DONE 0x0004
-// Available ranges
+/* Available ranges */
static const struct comedi_lrange range_daqboard2000_ai = { 13, {
RANGE(-10, 10),
RANGE(-5, 5),
@@ -168,65 +169,65 @@ static const struct comedi_lrange range_daqboard2000_ao = { 1, {
};
struct daqboard2000_hw {
- volatile u16 acqControl; // 0x00
- volatile u16 acqScanListFIFO; // 0x02
- volatile u32 acqPacerClockDivLow; // 0x04
-
- volatile u16 acqScanCounter; // 0x08
- volatile u16 acqPacerClockDivHigh; // 0x0a
- volatile u16 acqTriggerCount; // 0x0c
- volatile u16 fill2; // 0x0e
- volatile u16 acqResultsFIFO; // 0x10
- volatile u16 fill3; // 0x12
- volatile u16 acqResultsShadow; // 0x14
- volatile u16 fill4; // 0x16
- volatile u16 acqAdcResult; // 0x18
- volatile u16 fill5; // 0x1a
- volatile u16 dacScanCounter; // 0x1c
- volatile u16 fill6; // 0x1e
-
- volatile u16 dacControl; // 0x20
- volatile u16 fill7; // 0x22
- volatile s16 dacFIFO; // 0x24
- volatile u16 fill8[2]; // 0x26
- volatile u16 dacPacerClockDiv; // 0x2a
- volatile u16 refDacs; // 0x2c
- volatile u16 fill9; // 0x2e
-
- volatile u16 dioControl; // 0x30
- volatile s16 dioP3hsioData; // 0x32
- volatile u16 dioP3Control; // 0x34
- volatile u16 calEepromControl; // 0x36
- volatile s16 dacSetting[4]; // 0x38
- volatile s16 dioP2ExpansionIO8Bit[32]; // 0x40
-
- volatile u16 ctrTmrControl; // 0x80
- volatile u16 fill10[3]; // 0x82
- volatile s16 ctrInput[4]; // 0x88
- volatile u16 fill11[8]; // 0x90
- volatile u16 timerDivisor[2]; // 0xa0
- volatile u16 fill12[6]; // 0xa4
-
- volatile u16 dmaControl; // 0xb0
- volatile u16 trigControl; // 0xb2
- volatile u16 fill13[2]; // 0xb4
- volatile u16 calEeprom; // 0xb8
- volatile u16 acqDigitalMark; // 0xba
- volatile u16 trigDacs; // 0xbc
- volatile u16 fill14; // 0xbe
- volatile s16 dioP2ExpansionIO16Bit[32]; // 0xc0
+ volatile u16 acqControl; /* 0x00 */
+ volatile u16 acqScanListFIFO; /* 0x02 */
+ volatile u32 acqPacerClockDivLow; /* 0x04 */
+
+ volatile u16 acqScanCounter; /* 0x08 */
+ volatile u16 acqPacerClockDivHigh; /* 0x0a */
+ volatile u16 acqTriggerCount; /* 0x0c */
+ volatile u16 fill2; /* 0x0e */
+ volatile u16 acqResultsFIFO; /* 0x10 */
+ volatile u16 fill3; /* 0x12 */
+ volatile u16 acqResultsShadow; /* 0x14 */
+ volatile u16 fill4; /* 0x16 */
+ volatile u16 acqAdcResult; /* 0x18 */
+ volatile u16 fill5; /* 0x1a */
+ volatile u16 dacScanCounter; /* 0x1c */
+ volatile u16 fill6; /* 0x1e */
+
+ volatile u16 dacControl; /* 0x20 */
+ volatile u16 fill7; /* 0x22 */
+ volatile s16 dacFIFO; /* 0x24 */
+ volatile u16 fill8[2]; /* 0x26 */
+ volatile u16 dacPacerClockDiv; /* 0x2a */
+ volatile u16 refDacs; /* 0x2c */
+ volatile u16 fill9; /* 0x2e */
+
+ volatile u16 dioControl; /* 0x30 */
+ volatile s16 dioP3hsioData; /* 0x32 */
+ volatile u16 dioP3Control; /* 0x34 */
+ volatile u16 calEepromControl; /* 0x36 */
+ volatile s16 dacSetting[4]; /* 0x38 */
+ volatile s16 dioP2ExpansionIO8Bit[32]; /* 0x40 */
+
+ volatile u16 ctrTmrControl; /* 0x80 */
+ volatile u16 fill10[3]; /* 0x82 */
+ volatile s16 ctrInput[4]; /* 0x88 */
+ volatile u16 fill11[8]; /* 0x90 */
+ volatile u16 timerDivisor[2]; /* 0xa0 */
+ volatile u16 fill12[6]; /* 0xa4 */
+
+ volatile u16 dmaControl; /* 0xb0 */
+ volatile u16 trigControl; /* 0xb2 */
+ volatile u16 fill13[2]; /* 0xb4 */
+ volatile u16 calEeprom; /* 0xb8 */
+ volatile u16 acqDigitalMark; /* 0xba */
+ volatile u16 trigDacs; /* 0xbc */
+ volatile u16 fill14; /* 0xbe */
+ volatile s16 dioP2ExpansionIO16Bit[32]; /* 0xc0 */
};
/* Scan Sequencer programming */
#define DAQBOARD2000_SeqStartScanList 0x0011
#define DAQBOARD2000_SeqStopScanList 0x0010
-// Prepare for acquisition
+/* Prepare for acquisition */
#define DAQBOARD2000_AcqResetScanListFifo 0x0004
#define DAQBOARD2000_AcqResetResultsFifo 0x0002
#define DAQBOARD2000_AcqResetConfigPipe 0x0001
-// Acqusition status bits
+/* Acqusition status bits */
#define DAQBOARD2000_AcqResultsFIFOMore1Sample 0x0001
#define DAQBOARD2000_AcqResultsFIFOHasValidData 0x0002
#define DAQBOARD2000_AcqResultsFIFOOverrun 0x0004
@@ -239,7 +240,7 @@ struct daqboard2000_hw {
#define DAQBOARD2000_DacPacerOverrun 0x0200
#define DAQBOARD2000_AcqHardwareError 0x01c0
-// Scan Sequencer programming
+/* Scan Sequencer programming */
#define DAQBOARD2000_SeqStartScanList 0x0011
#define DAQBOARD2000_SeqStopScanList 0x0010
@@ -254,7 +255,7 @@ struct daqboard2000_hw {
#define DAQBOARD2000_AdcPacerInternalOutEnable 0x0008
#define DAQBOARD2000_AdcPacerExternalRising 0x0100
-// DAC status
+/* DAC status */
#define DAQBOARD2000_DacFull 0x0001
#define DAQBOARD2000_RefBusy 0x0002
#define DAQBOARD2000_TrgBusy 0x0004
@@ -264,7 +265,7 @@ struct daqboard2000_hw {
#define DAQBOARD2000_Dac2Busy 0x0040
#define DAQBOARD2000_Dac3Busy 0x0080
-// DAC control
+/* DAC control */
#define DAQBOARD2000_Dac0Enable 0x0021
#define DAQBOARD2000_Dac1Enable 0x0031
#define DAQBOARD2000_Dac2Enable 0x0041
@@ -292,18 +293,18 @@ struct daqboard2000_hw {
#define DAQBOARD2000_TrigEnable 0x0001
#define DAQBOARD2000_TrigDisable 0x0000
-// Reference Dac Selection
+/* Reference Dac Selection */
#define DAQBOARD2000_PosRefDacSelect 0x0100
#define DAQBOARD2000_NegRefDacSelect 0x0000
-static int daqboard2000_attach(struct comedi_device * dev, struct comedi_devconfig * it);
-static int daqboard2000_detach(struct comedi_device * dev);
+static int daqboard2000_attach(struct comedi_device *dev, struct comedi_devconfig *it);
+static int daqboard2000_detach(struct comedi_device *dev);
static struct comedi_driver driver_daqboard2000 = {
- driver_name:"daqboard2000",
- module:THIS_MODULE,
- attach:daqboard2000_attach,
- detach:daqboard2000_detach,
+ .driver_name = "daqboard2000",
+ .module = THIS_MODULE,
+ .attach = daqboard2000_attach,
+ .detach = daqboard2000_detach,
};
struct daq200_boardtype {
@@ -338,17 +339,17 @@ struct daqboard2000_private {
#define devpriv ((struct daqboard2000_private *)dev->private)
-static void writeAcqScanListEntry(struct comedi_device * dev, u16 entry)
+static void writeAcqScanListEntry(struct comedi_device *dev, u16 entry)
{
struct daqboard2000_hw *fpga = devpriv->daq;
-// comedi_udelay(4);
+/* udelay(4); */
fpga->acqScanListFIFO = entry & 0x00ff;
-// comedi_udelay(4);
+/* udelay(4); */
fpga->acqScanListFIFO = (entry >> 8) & 0x00ff;
}
-static void setup_sampling(struct comedi_device * dev, int chan, int gain)
+static void setup_sampling(struct comedi_device *dev, int chan, int gain)
{
u16 word0, word1, word2, word3;
@@ -393,8 +394,8 @@ static void setup_sampling(struct comedi_device * dev, int chan, int gain)
writeAcqScanListEntry(dev, word3);
}
-static int daqboard2000_ai_insn_read(struct comedi_device * dev, struct comedi_subdevice * s,
- struct comedi_insn * insn, unsigned int * data)
+static int daqboard2000_ai_insn_read(struct comedi_device *dev, struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data)
{
int i;
struct daqboard2000_hw *fpga = devpriv->daq;
@@ -425,14 +426,14 @@ static int daqboard2000_ai_insn_read(struct comedi_device * dev, struct comedi_s
if (fpga->acqControl & DAQBOARD2000_AcqConfigPipeFull) {
break;
}
- //comedi_udelay(2);
+ /* udelay(2); */
}
fpga->acqControl = DAQBOARD2000_AdcPacerEnable;
for (timeout = 0; timeout < 20; timeout++) {
if (fpga->acqControl & DAQBOARD2000_AcqLogicScanning) {
break;
}
- //comedi_udelay(2);
+ /* udelay(2); */
}
for (timeout = 0; timeout < 20; timeout++) {
if (fpga->
@@ -440,7 +441,7 @@ static int daqboard2000_ai_insn_read(struct comedi_device * dev, struct comedi_s
DAQBOARD2000_AcqResultsFIFOHasValidData) {
break;
}
- //comedi_udelay(2);
+ /* udelay(2); */
}
data[i] = fpga->acqResultsFIFO;
fpga->acqControl = DAQBOARD2000_AdcPacerDisable;
@@ -450,8 +451,8 @@ static int daqboard2000_ai_insn_read(struct comedi_device * dev, struct comedi_s
return i;
}
-static int daqboard2000_ao_insn_read(struct comedi_device * dev, struct comedi_subdevice * s,
- struct comedi_insn * insn, unsigned int * data)
+static int daqboard2000_ao_insn_read(struct comedi_device *dev, struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data)
{
int i;
int chan = CR_CHAN(insn->chanspec);
@@ -463,8 +464,8 @@ static int daqboard2000_ao_insn_read(struct comedi_device * dev, struct comedi_s
return i;
}
-static int daqboard2000_ao_insn_write(struct comedi_device * dev, struct comedi_subdevice * s,
- struct comedi_insn * insn, unsigned int * data)
+static int daqboard2000_ao_insn_write(struct comedi_device *dev, struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data)
{
int i;
int chan = CR_CHAN(insn->chanspec);
@@ -476,54 +477,54 @@ static int daqboard2000_ao_insn_write(struct comedi_device * dev, struct comedi_
* OK, since it works OK without enabling the DAC's, let's keep
* it as simple as possible...
*/
- //fpga->dacControl = (chan + 2) * 0x0010 | 0x0001; comedi_udelay(1000);
+ /* fpga->dacControl = (chan + 2) * 0x0010 | 0x0001; udelay(1000); */
fpga->dacSetting[chan] = data[i];
for (timeout = 0; timeout < 20; timeout++) {
if ((fpga->dacControl & ((chan + 1) * 0x0010)) == 0) {
break;
}
- //comedi_udelay(2);
+ /* udelay(2); */
}
devpriv->ao_readback[chan] = data[i];
/*
* Since we never enabled the DAC's, we don't need to disable it...
- * fpga->dacControl = (chan + 2) * 0x0010 | 0x0000; comedi_udelay(1000);
+ * fpga->dacControl = (chan + 2) * 0x0010 | 0x0000; udelay(1000);
*/
}
return i;
}
-static void daqboard2000_resetLocalBus(struct comedi_device * dev)
+static void daqboard2000_resetLocalBus(struct comedi_device *dev)
{
printk("daqboard2000_resetLocalBus\n");
writel(DAQBOARD2000_SECRLocalBusHi, devpriv->plx + 0x6c);
- comedi_udelay(10000);
+ udelay(10000);
writel(DAQBOARD2000_SECRLocalBusLo, devpriv->plx + 0x6c);
- comedi_udelay(10000);
+ udelay(10000);
}
-static void daqboard2000_reloadPLX(struct comedi_device * dev)
+static void daqboard2000_reloadPLX(struct comedi_device *dev)
{
printk("daqboard2000_reloadPLX\n");
writel(DAQBOARD2000_SECRReloadLo, devpriv->plx + 0x6c);
- comedi_udelay(10000);
+ udelay(10000);
writel(DAQBOARD2000_SECRReloadHi, devpriv->plx + 0x6c);
- comedi_udelay(10000);
+ udelay(10000);
writel(DAQBOARD2000_SECRReloadLo, devpriv->plx + 0x6c);
- comedi_udelay(10000);
+ udelay(10000);
}
-static void daqboard2000_pulseProgPin(struct comedi_device * dev)
+static void daqboard2000_pulseProgPin(struct comedi_device *dev)
{
printk("daqboard2000_pulseProgPin 1\n");
writel(DAQBOARD2000_SECRProgPinHi, devpriv->plx + 0x6c);
- comedi_udelay(10000);
+ udelay(10000);
writel(DAQBOARD2000_SECRProgPinLo, devpriv->plx + 0x6c);
- comedi_udelay(10000); /* Not in the original code, but I like symmetry... */
+ udelay(10000); /* Not in the original code, but I like symmetry... */
}
-static int daqboard2000_pollCPLD(struct comedi_device * dev, int mask)
+static int daqboard2000_pollCPLD(struct comedi_device *dev, int mask)
{
int result = 0;
int i;
@@ -536,17 +537,17 @@ static int daqboard2000_pollCPLD(struct comedi_device * dev, int mask)
result = 1;
break;
}
- comedi_udelay(100);
+ udelay(100);
}
- comedi_udelay(5);
+ udelay(5);
return result;
}
-static int daqboard2000_writeCPLD(struct comedi_device * dev, int data)
+static int daqboard2000_writeCPLD(struct comedi_device *dev, int data)
{
int result = 0;
- comedi_udelay(10);
+ udelay(10);
writew(data, devpriv->daq + 0x1000);
if ((readw(devpriv->daq + 0x1000) & DAQBOARD2000_CPLD_INIT) ==
DAQBOARD2000_CPLD_INIT) {
@@ -555,7 +556,7 @@ static int daqboard2000_writeCPLD(struct comedi_device * dev, int data)
return result;
}
-static int initialize_daqboard2000(struct comedi_device * dev,
+static int initialize_daqboard2000(struct comedi_device *dev,
unsigned char *cpld_array, int len)
{
int result = -EIO;
@@ -613,75 +614,75 @@ static int initialize_daqboard2000(struct comedi_device * dev,
return result;
}
-static void daqboard2000_adcStopDmaTransfer(struct comedi_device * dev)
+static void daqboard2000_adcStopDmaTransfer(struct comedi_device *dev)
{
/* printk("Implement: daqboard2000_adcStopDmaTransfer\n");*/
}
-static void daqboard2000_adcDisarm(struct comedi_device * dev)
+static void daqboard2000_adcDisarm(struct comedi_device *dev)
{
struct daqboard2000_hw *fpga = devpriv->daq;
/* Disable hardware triggers */
- comedi_udelay(2);
+ udelay(2);
fpga->trigControl = DAQBOARD2000_TrigAnalog | DAQBOARD2000_TrigDisable;
- comedi_udelay(2);
+ udelay(2);
fpga->trigControl = DAQBOARD2000_TrigTTL | DAQBOARD2000_TrigDisable;
/* Stop the scan list FIFO from loading the configuration pipe */
- comedi_udelay(2);
+ udelay(2);
fpga->acqControl = DAQBOARD2000_SeqStopScanList;
/* Stop the pacer clock */
- comedi_udelay(2);
+ udelay(2);
fpga->acqControl = DAQBOARD2000_AdcPacerDisable;
/* Stop the input dma (abort channel 1) */
daqboard2000_adcStopDmaTransfer(dev);
}
-static void daqboard2000_activateReferenceDacs(struct comedi_device * dev)
+static void daqboard2000_activateReferenceDacs(struct comedi_device *dev)
{
struct daqboard2000_hw *fpga = devpriv->daq;
int timeout;
- // Set the + reference dac value in the FPGA
+ /* Set the + reference dac value in the FPGA */
fpga->refDacs = 0x80 | DAQBOARD2000_PosRefDacSelect;
for (timeout = 0; timeout < 20; timeout++) {
if ((fpga->dacControl & DAQBOARD2000_RefBusy) == 0) {
break;
}
- comedi_udelay(2);
+ udelay(2);
}
/* printk("DAQBOARD2000_PosRefDacSelect %d\n", timeout);*/
- // Set the - reference dac value in the FPGA
+ /* Set the - reference dac value in the FPGA */
fpga->refDacs = 0x80 | DAQBOARD2000_NegRefDacSelect;
for (timeout = 0; timeout < 20; timeout++) {
if ((fpga->dacControl & DAQBOARD2000_RefBusy) == 0) {
break;
}
- comedi_udelay(2);
+ udelay(2);
}
/* printk("DAQBOARD2000_NegRefDacSelect %d\n", timeout);*/
}
-static void daqboard2000_initializeCtrs(struct comedi_device * dev)
+static void daqboard2000_initializeCtrs(struct comedi_device *dev)
{
/* printk("Implement: daqboard2000_initializeCtrs\n");*/
}
-static void daqboard2000_initializeTmrs(struct comedi_device * dev)
+static void daqboard2000_initializeTmrs(struct comedi_device *dev)
{
/* printk("Implement: daqboard2000_initializeTmrs\n");*/
}
-static void daqboard2000_dacDisarm(struct comedi_device * dev)
+static void daqboard2000_dacDisarm(struct comedi_device *dev)
{
/* printk("Implement: daqboard2000_dacDisarm\n");*/
}
-static void daqboard2000_initializeAdc(struct comedi_device * dev)
+static void daqboard2000_initializeAdc(struct comedi_device *dev)
{
daqboard2000_adcDisarm(dev);
daqboard2000_activateReferenceDacs(dev);
@@ -689,7 +690,7 @@ static void daqboard2000_initializeAdc(struct comedi_device * dev)
daqboard2000_initializeTmrs(dev);
}
-static void daqboard2000_initializeDac(struct comedi_device * dev)
+static void daqboard2000_initializeDac(struct comedi_device *dev)
{
daqboard2000_dacDisarm(dev);
}
@@ -717,7 +718,7 @@ static int daqboard2000_8255_cb(int dir, int port, int data,
return result;
}
-static int daqboard2000_attach(struct comedi_device * dev, struct comedi_devconfig * it)
+static int daqboard2000_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{
int result = 0;
struct comedi_subdevice *s;
@@ -772,7 +773,8 @@ static int daqboard2000_attach(struct comedi_device * dev, struct comedi_devconf
}
}
- if ((result = comedi_pci_enable(card, "daqboard2000")) < 0) {
+ result = comedi_pci_enable(card, "daqboard2000");
+ if (result < 0) {
printk(" failed to enable PCI device and request regions\n");
return -EIO;
}
@@ -849,7 +851,7 @@ static int daqboard2000_attach(struct comedi_device * dev, struct comedi_devconf
return result;
}
-static int daqboard2000_detach(struct comedi_device * dev)
+static int daqboard2000_detach(struct comedi_device *dev)
{
printk("comedi%d: daqboard2000: remove\n", dev->minor);