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Commit 1e335385 authored by Ian Abbott's avatar Ian Abbott Committed by Greg Kroah-Hartman
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staging: comedi: daqboard2000: rename register offset macros 

Rename the macros defining register offsets to avoid CamelCase, and to
use namespace associated with the driver.
Signed-off-by: default avatarIan Abbott <abbotti@mev.co.uk>
Reviewed-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent ff2ca4f0
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Showing with 61 additions and 51 deletions
drivers/staging/comedi/drivers/daqboard2000.c
View file @ 1e335385
......@@ -151,35 +151,35 @@ static const struct comedi_lrange range_daqboard2000_ai = {
/*
* Register Memory Map
*/
#define acqControl 0x00 /* u16 */
#define acqScanListFIFO 0x02 /* u16 */
#define acqPacerClockDivLow 0x04 /* u32 */
#define acqScanCounter 0x08 /* u16 */
#define acqPacerClockDivHigh 0x0a /* u16 */
#define acqTriggerCount 0x0c /* u16 */
#define acqResultsFIFO 0x10 /* u16 */
#define acqResultsShadow 0x14 /* u16 */
#define acqAdcResult 0x18 /* u16 */
#define dacScanCounter 0x1c /* u16 */
#define dacControl 0x20 /* u16 */
#define dacFIFO 0x24 /* s16 */
#define dacPacerClockDiv 0x2a /* u16 */
#define refDacs 0x2c /* u16 */
#define dioControl 0x30 /* u16 */
#define dioP3hsioData 0x32 /* s16 */
#define dioP3Control 0x34 /* u16 */
#define calEepromControl 0x36 /* u16 */
#define dacSetting(x) (0x38 + (x) * 2) /* s16 */
#define dioP2ExpansionIO8Bit 0x40 /* s16 */
#define ctrTmrControl 0x80 /* u16 */
#define ctrInput(x) (0x88 + (x) * 2) /* s16 */
#define timerDivisor(x) (0xa0 + (x) * 2) /* u16 */
#define dmaControl 0xb0 /* u16 */
#define trigControl 0xb2 /* u16 */
#define calEeprom 0xb8 /* u16 */
#define acqDigitalMark 0xba /* u16 */
#define trigDacs 0xbc /* u16 */
#define dioP2ExpansionIO16Bit(x) (0xc0 + (x) * 2) /* s16 */
#define DB2K_REG_ACQ_CONTROL 0x00 /* u16 */
#define DB2K_REG_ACQ_SCAN_LIST_FIFO 0x02 /* u16 */
#define DB2K_REG_ACQ_PACER_CLOCK_DIV_LOW 0x04 /* u32 */
#define DB2K_REG_ACQ_SCAN_COUNTER 0x08 /* u16 */
#define DB2K_REG_ACQ_PACER_CLOCK_DIV_HIGH 0x0a /* u16 */
#define DB2K_REG_ACQ_TRIGGER_COUNT 0x0c /* u16 */
#define DB2K_REG_ACQ_RESULTS_FIFO 0x10 /* u16 */
#define DB2K_REG_ACQ_RESULTS_SHADOW 0x14 /* u16 */
#define DB2K_REG_ACQ_ADC_RESULT 0x18 /* u16 */
#define DB2K_REG_DAC_SCAN_COUNTER 0x1c /* u16 */
#define DB2K_REG_DAC_CONTROL 0x20 /* u16 */
#define DB2K_REG_DAC_FIFO 0x24 /* s16 */
#define DB2K_REG_DAC_PACER_CLOCK_DIV 0x2a /* u16 */
#define DB2K_REG_REF_DACS 0x2c /* u16 */
#define DB2K_REG_DIO_CONTROL 0x30 /* u16 */
#define DB2K_REG_P3_HSIO_DATA 0x32 /* s16 */
#define DB2K_REG_P3_CONTROL 0x34 /* u16 */
#define DB2K_REG_CAL_EEPROM_CONTROL 0x36 /* u16 */
#define DB2K_REG_DAC_SETTING(x) (0x38 + (x) * 2) /* s16 */
#define DB2K_REG_DIO_P2_EXP_IO_8_BIT 0x40 /* s16 */
#define DB2K_REG_COUNTER_TIMER_CONTROL 0x80 /* u16 */
#define DB2K_REG_COUNTER_INPUT(x) (0x88 + (x) * 2) /* s16 */
#define DB2K_REG_TIMER_DIV(x) (0xa0 + (x) * 2) /* u16 */
#define DB2K_REG_DMA_CONTROL 0xb0 /* u16 */
#define DB2K_REG_TRIG_CONTROL 0xb2 /* u16 */
#define DB2K_REG_CAL_EEPROM 0xb8 /* u16 */
#define DB2K_REG_ACQ_DIGITAL_MARK 0xba /* u16 */
#define DB2K_REG_TRIG_DACS 0xbc /* u16 */
#define DB2K_REG_DIO_P2_EXP_IO_16_BIT(x) (0xc0 + (x) * 2) /* s16 */
/* Scan Sequencer programming */
#define DAQBOARD2000_SeqStartScanList 0x0011
......@@ -279,8 +279,9 @@ struct daqboard2000_private {
static void writeAcqScanListEntry(struct comedi_device *dev, u16 entry)
{
writew(entry & 0x00ff, dev->mmio + acqScanListFIFO);
writew((entry >> 8) & 0x00ff, dev->mmio + acqScanListFIFO);
writew(entry & 0x00ff, dev->mmio + DB2K_REG_ACQ_SCAN_LIST_FIFO);
writew((entry >> 8) & 0x00ff,
dev->mmio + DB2K_REG_ACQ_SCAN_LIST_FIFO);
}
static void setup_sampling(struct comedi_device *dev, int chan, int gain)
......@@ -330,7 +331,7 @@ static int daqboard2000_ai_status(struct comedi_device *dev,
{
unsigned int status;
status = readw(dev->mmio + acqControl);
status = readw(dev->mmio + DB2K_REG_ACQ_CONTROL);
if (status & context)
return 0;
return -EBUSY;
......@@ -347,15 +348,16 @@ static int daqboard2000_ai_insn_read(struct comedi_device *dev,
writew(DAQBOARD2000_AcqResetScanListFifo |
DAQBOARD2000_AcqResetResultsFifo |
DAQBOARD2000_AcqResetConfigPipe, dev->mmio + acqControl);
DAQBOARD2000_AcqResetConfigPipe,
dev->mmio + DB2K_REG_ACQ_CONTROL);
/*
* If pacer clock is not set to some high value (> 10 us), we
* risk multiple samples to be put into the result FIFO.
*/
/* 1 second, should be long enough */
writel(1000000, dev->mmio + acqPacerClockDivLow);
writew(0, dev->mmio + acqPacerClockDivHigh);
writel(1000000, dev->mmio + DB2K_REG_ACQ_PACER_CLOCK_DIV_LOW);
writew(0, dev->mmio + DB2K_REG_ACQ_PACER_CLOCK_DIV_HIGH);
gain = CR_RANGE(insn->chanspec);
chan = CR_CHAN(insn->chanspec);
......@@ -369,14 +371,16 @@ static int daqboard2000_ai_insn_read(struct comedi_device *dev,
for (i = 0; i < insn->n; i++) {
setup_sampling(dev, chan, gain);
/* Enable reading from the scanlist FIFO */
writew(DAQBOARD2000_SeqStartScanList, dev->mmio + acqControl);
writew(DAQBOARD2000_SeqStartScanList,
dev->mmio + DB2K_REG_ACQ_CONTROL);
ret = comedi_timeout(dev, s, insn, daqboard2000_ai_status,
DAQBOARD2000_AcqConfigPipeFull);
if (ret)
return ret;
writew(DAQBOARD2000_AdcPacerEnable, dev->mmio + acqControl);
writew(DAQBOARD2000_AdcPacerEnable,
dev->mmio + DB2K_REG_ACQ_CONTROL);
ret = comedi_timeout(dev, s, insn, daqboard2000_ai_status,
DAQBOARD2000_AcqLogicScanning);
......@@ -388,9 +392,11 @@ static int daqboard2000_ai_insn_read(struct comedi_device *dev,
if (ret)
return ret;
data[i] = readw(dev->mmio + acqResultsFIFO);
writew(DAQBOARD2000_AdcPacerDisable, dev->mmio + acqControl);
writew(DAQBOARD2000_SeqStopScanList, dev->mmio + acqControl);
data[i] = readw(dev->mmio + DB2K_REG_ACQ_RESULTS_FIFO);
writew(DAQBOARD2000_AdcPacerDisable,
dev->mmio + DB2K_REG_ACQ_CONTROL);
writew(DAQBOARD2000_SeqStopScanList,
dev->mmio + DB2K_REG_ACQ_CONTROL);
}
return i;
......@@ -404,7 +410,7 @@ static int daqboard2000_ao_eoc(struct comedi_device *dev,
unsigned int chan = CR_CHAN(insn->chanspec);
unsigned int status;
status = readw(dev->mmio + dacControl);
status = readw(dev->mmio + DB2K_REG_DAC_CONTROL);
if ((status & ((chan + 1) * 0x0010)) == 0)
return 0;
return -EBUSY;
......@@ -422,7 +428,7 @@ static int daqboard2000_ao_insn_write(struct comedi_device *dev,
unsigned int val = data[i];
int ret;
writew(val, dev->mmio + dacSetting(chan));
writew(val, dev->mmio + DB2K_REG_DAC_SETTING(chan));
ret = comedi_timeout(dev, s, insn, daqboard2000_ao_eoc, 0);
if (ret)
......@@ -550,18 +556,20 @@ static void daqboard2000_adcDisarm(struct comedi_device *dev)
/* Disable hardware triggers */
udelay(2);
writew(DAQBOARD2000_TrigAnalog | DAQBOARD2000_TrigDisable,
dev->mmio + trigControl);
dev->mmio + DB2K_REG_TRIG_CONTROL);
udelay(2);
writew(DAQBOARD2000_TrigTTL | DAQBOARD2000_TrigDisable,
dev->mmio + trigControl);
dev->mmio + DB2K_REG_TRIG_CONTROL);
/* Stop the scan list FIFO from loading the configuration pipe */
udelay(2);
writew(DAQBOARD2000_SeqStopScanList, dev->mmio + acqControl);
writew(DAQBOARD2000_SeqStopScanList,
dev->mmio + DB2K_REG_ACQ_CONTROL);
/* Stop the pacer clock */
udelay(2);
writew(DAQBOARD2000_AdcPacerDisable, dev->mmio + acqControl);
writew(DAQBOARD2000_AdcPacerDisable,
dev->mmio + DB2K_REG_ACQ_CONTROL);
/* Stop the input dma (abort channel 1) */
daqboard2000_adcStopDmaTransfer(dev);
......@@ -573,18 +581,20 @@ static void daqboard2000_activateReferenceDacs(struct comedi_device *dev)
int timeout;
/* Set the + reference dac value in the FPGA */
writew(0x80 | DAQBOARD2000_PosRefDacSelect, dev->mmio + refDacs);
writew(0x80 | DAQBOARD2000_PosRefDacSelect,
dev->mmio + DB2K_REG_REF_DACS);
for (timeout = 0; timeout < 20; timeout++) {
val = readw(dev->mmio + dacControl);
val = readw(dev->mmio + DB2K_REG_DAC_CONTROL);
if ((val & DAQBOARD2000_RefBusy) == 0)
break;
udelay(2);
}
/* Set the - reference dac value in the FPGA */
writew(0x80 | DAQBOARD2000_NegRefDacSelect, dev->mmio + refDacs);
writew(0x80 | DAQBOARD2000_NegRefDacSelect,
dev->mmio + DB2K_REG_REF_DACS);
for (timeout = 0; timeout < 20; timeout++) {
val = readw(dev->mmio + dacControl);
val = readw(dev->mmio + DB2K_REG_DAC_CONTROL);
if ((val & DAQBOARD2000_RefBusy) == 0)
break;
udelay(2);
......@@ -711,7 +721,7 @@ static int daqboard2000_auto_attach(struct comedi_device *dev,
s = &dev->subdevices[2];
return subdev_8255_init(dev, s, daqboard2000_8255_cb,
dioP2ExpansionIO8Bit);
DB2K_REG_DIO_P2_EXP_IO_8_BIT);
}
static void daqboard2000_detach(struct comedi_device *dev)
......
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