Rename this register and its bit defines so they have namespace associated with the driver. Use the BIT macro to define the bits. Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx> Cc: Ian Abbott <abbotti@xxxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/staging/comedi/drivers/cb_pcidas.c | 56 ++++++++++++++++-------------- 1 file changed, 29 insertions(+), 27 deletions(-) diff --git a/drivers/staging/comedi/drivers/cb_pcidas.c b/drivers/staging/comedi/drivers/cb_pcidas.c index 45a2aaa..95d573c 100644 --- a/drivers/staging/comedi/drivers/cb_pcidas.c +++ b/drivers/staging/comedi/drivers/cb_pcidas.c @@ -97,17 +97,20 @@ #define PCIDAS_CTRL_LADFUL BIT(13) /* fifo overflow / clear */ #define PCIDAS_CTRL_DAEMI BIT(14) /* dac fifo empty int status / clear */ -#define ADCMUX_CONT 2 /* ADC CHANNEL MUX AND CONTROL reg */ -#define BEGIN_SCAN(x) ((x) & 0xf) -#define END_SCAN(x) (((x) & 0xf) << 4) -#define GAIN_BITS(x) (((x) & 0x3) << 8) -#define UNIP 0x800 /* Analog front-end unipolar mode */ -#define SE 0x400 /* Inputs in single-ended mode */ -#define PACER_MASK 0x3000 /* pacer source bits */ -#define PACER_INT 0x1000 /* int. pacer */ -#define PACER_EXT_FALL 0x2000 /* ext. falling edge */ -#define PACER_EXT_RISE 0x3000 /* ext. rising edge */ -#define EOC 0x4000 /* adc not busy */ +#define PCIDAS_AI_REG 0x02 /* ADC CHANNEL MUX AND CONTROL reg */ +#define PCIDAS_AI_FIRST(x) ((x) & 0xf) +#define PCIDAS_AI_LAST(x) (((x) & 0xf) << 4) +#define PCIDAS_AI_CHAN(x) (PCIDAS_AI_FIRST(x) | PCIDAS_AI_LAST(x)) +#define PCIDAS_AI_GAIN(x) (((x) & 0x3) << 8) +#define PCIDAS_AI_SE BIT(10) /* Inputs in single-ended mode */ +#define PCIDAS_AI_UNIP BIT(11) /* Analog front-end unipolar mode */ +#define PCIDAS_AI_PACER(x) (((x) & 0x3) << 12) +#define PCIDAS_AI_PACER_SW PCIDAS_AI_PACER(0) /* software pacer */ +#define PCIDAS_AI_PACER_INT PCIDAS_AI_PACER(1) /* int. pacer */ +#define PCIDAS_AI_PACER_EXTN PCIDAS_AI_PACER(2) /* ext. falling edge */ +#define PCIDAS_AI_PACER_EXTP PCIDAS_AI_PACER(3) /* ext. rising edge */ +#define PCIDAS_AI_PACER_MASK PCIDAS_AI_PACER(3) /* pacer source bits */ +#define PCIDAS_AI_EOC BIT(14) /* adc not busy */ #define TRIG_CONTSTAT 4 /* TRIGGER CONTROL/STATUS register */ #define SW_TRIGGER 0x1 /* software start trigger */ @@ -333,8 +336,8 @@ static int cb_pcidas_ai_eoc(struct comedi_device *dev, struct cb_pcidas_private *devpriv = dev->private; unsigned int status; - status = inw(devpriv->pcibar1 + ADCMUX_CONT); - if (status & EOC) + status = inw(devpriv->pcibar1 + PCIDAS_AI_REG); + if (status & PCIDAS_AI_EOC) return 0; return -EBUSY; } @@ -361,14 +364,14 @@ static int cb_pcidas_ai_rinsn(struct comedi_device *dev, } /* set mux limits and gain */ - bits = BEGIN_SCAN(chan) | END_SCAN(chan) | GAIN_BITS(range); + bits = PCIDAS_AI_CHAN(chan) | PCIDAS_AI_GAIN(range); /* set unipolar/bipolar */ if (comedi_range_is_unipolar(s, range)) - bits |= UNIP; + bits |= PCIDAS_AI_UNIP; /* set single-ended/differential */ if (aref != AREF_DIFF) - bits |= SE; - outw(bits, devpriv->pcibar1 + ADCMUX_CONT); + bits |= PCIDAS_AI_SE; + outw(bits, devpriv->pcibar1 + PCIDAS_AI_REG); /* clear fifo */ outw(0, devpriv->pcibar2 + PCIDAS_AI_FIFO_CLR_REG); @@ -861,21 +864,21 @@ static int cb_pcidas_ai_cmd(struct comedi_device *dev, outw(0, devpriv->pcibar2 + PCIDAS_AI_FIFO_CLR_REG); /* set mux limits, gain and pacer source */ - bits = BEGIN_SCAN(CR_CHAN(cmd->chanlist[0])) | - END_SCAN(CR_CHAN(cmd->chanlist[cmd->chanlist_len - 1])) | - GAIN_BITS(range0); + bits = PCIDAS_AI_FIRST(CR_CHAN(cmd->chanlist[0])) | + PCIDAS_AI_LAST(CR_CHAN(cmd->chanlist[cmd->chanlist_len - 1])) | + PCIDAS_AI_GAIN(range0); /* set unipolar/bipolar */ if (comedi_range_is_unipolar(s, range0)) - bits |= UNIP; + bits |= PCIDAS_AI_UNIP; /* set singleended/differential */ if (CR_AREF(cmd->chanlist[0]) != AREF_DIFF) - bits |= SE; + bits |= PCIDAS_AI_SE; /* set pacer source */ if (cmd->convert_src == TRIG_EXT || cmd->scan_begin_src == TRIG_EXT) - bits |= PACER_EXT_RISE; + bits |= PCIDAS_AI_PACER_EXTP; else - bits |= PACER_INT; - outw(bits, devpriv->pcibar1 + ADCMUX_CONT); + bits |= PCIDAS_AI_PACER_INT; + outw(bits, devpriv->pcibar1 + PCIDAS_AI_REG); /* load counters */ if (cmd->scan_begin_src == TRIG_TIMER || @@ -1034,8 +1037,7 @@ static int cb_pcidas_cancel(struct comedi_device *dev, /* disable start trigger source and burst mode */ outw(0, devpriv->pcibar1 + TRIG_CONTSTAT); - /* software pacer source */ - outw(0, devpriv->pcibar1 + ADCMUX_CONT); + outw(PCIDAS_AI_PACER_SW, devpriv->pcibar1 + PCIDAS_AI_REG); return 0; } -- 2.5.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
