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@@ -255,11 +255,8 @@ struct dt282x_private {
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* Some useless abstractions
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*/
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#define chan_to_DAC(a) ((a)&1)
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-#define update_dacsr(a) outw(devpriv->dacsr|(a), dev->iobase+DT2821_DACSR)
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-#define update_adcsr(a) outw(devpriv->adcsr|(a), dev->iobase+DT2821_ADCSR)
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#define mux_busy() (inw(dev->iobase+DT2821_ADCSR)&DT2821_MUXBUSY)
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#define ad_done() (inw(dev->iobase+DT2821_ADCSR)&DT2821_ADDONE)
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-#define update_supcsr(a) outw(devpriv->supcsr|(a), dev->iobase+DT2821_SUPCSR)
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/*
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* danger! macro abuse... a is the expression to wait on, and b is
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@@ -317,7 +314,7 @@ static void dt282x_ao_dma_interrupt(struct comedi_device *dev)
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int i;
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struct comedi_subdevice *s = dev->subdevices + 1;
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- update_supcsr(DT2821_CLRDMADNE);
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+ outw(devpriv->supcsr | DT2821_CLRDMADNE, dev->iobase + DT2821_SUPCSR);
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if (!s->async->prealloc_buf) {
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printk(KERN_ERR "async->data disappeared. dang!\n");
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@@ -350,7 +347,7 @@ static void dt282x_ai_dma_interrupt(struct comedi_device *dev)
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int ret;
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struct comedi_subdevice *s = dev->subdevices;
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- update_supcsr(DT2821_CLRDMADNE);
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+ outw(devpriv->supcsr | DT2821_CLRDMADNE, dev->iobase + DT2821_SUPCSR);
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if (!s->async->prealloc_buf) {
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printk(KERN_ERR "async->data disappeared. dang!\n");
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@@ -387,7 +384,7 @@ static void dt282x_ai_dma_interrupt(struct comedi_device *dev)
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/* XXX probably wrong */
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if (!devpriv->ntrig) {
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devpriv->supcsr &= ~(DT2821_DDMA);
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- update_supcsr(0);
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+ outw(devpriv->supcsr, dev->iobase + DT2821_SUPCSR);
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}
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#endif
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/* restart the channel */
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@@ -513,7 +510,8 @@ static irqreturn_t dt282x_interrupt(int irq, void *d)
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s->async->events |= COMEDI_CB_EOA;
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} else {
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if (supcsr & DT2821_SCDN)
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- update_supcsr(DT2821_STRIG);
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+ outw(devpriv->supcsr | DT2821_STRIG,
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+ dev->iobase + DT2821_SUPCSR);
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}
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handled = 1;
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}
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@@ -534,7 +532,8 @@ static void dt282x_load_changain(struct comedi_device *dev, int n,
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for (i = 0; i < n; i++) {
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chan = CR_CHAN(chanlist[i]);
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range = CR_RANGE(chanlist[i]);
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- update_adcsr((range << 4) | (chan));
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+ outw(devpriv->adcsr | (range << 4) | chan,
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+ dev->iobase + DT2821_ADCSR);
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}
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outw(n - 1, dev->iobase + DT2821_CHANCSR);
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}
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@@ -553,15 +552,16 @@ static int dt282x_ai_insn_read(struct comedi_device *dev,
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/* XXX should we really be enabling the ad clock here? */
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devpriv->adcsr = DT2821_ADCLK;
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- update_adcsr(0);
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+ outw(devpriv->adcsr, dev->iobase + DT2821_ADCSR);
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dt282x_load_changain(dev, 1, &insn->chanspec);
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- update_supcsr(DT2821_PRLD);
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+ outw(devpriv->supcsr | DT2821_PRLD, dev->iobase + DT2821_SUPCSR);
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wait_for(!mux_busy(), comedi_error(dev, "timeout\n"); return -ETIME;);
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for (i = 0; i < insn->n; i++) {
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- update_supcsr(DT2821_STRIG);
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+ outw(devpriv->supcsr | DT2821_STRIG,
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+ dev->iobase + DT2821_SUPCSR);
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wait_for(ad_done(), comedi_error(dev, "timeout\n");
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return -ETIME;);
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@@ -718,7 +718,8 @@ static int dt282x_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
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/* external trigger */
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devpriv->supcsr = DT2821_ERRINTEN | DT2821_DS0 | DT2821_DS1;
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}
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- update_supcsr(DT2821_CLRDMADNE | DT2821_BUFFB | DT2821_ADCINIT);
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+ outw(devpriv->supcsr | DT2821_CLRDMADNE | DT2821_BUFFB | DT2821_ADCINIT,
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+ dev->iobase + DT2821_SUPCSR);
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devpriv->ntrig = cmd->stop_arg * cmd->scan_end_arg;
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devpriv->nread = devpriv->ntrig;
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@@ -729,7 +730,7 @@ static int dt282x_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
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if (devpriv->ntrig) {
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prep_ai_dma(dev, 1, 0);
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devpriv->supcsr |= DT2821_DDMA;
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- update_supcsr(0);
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+ outw(devpriv->supcsr, dev->iobase + DT2821_SUPCSR);
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}
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devpriv->adcsr = 0;
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@@ -737,16 +738,17 @@ static int dt282x_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
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dt282x_load_changain(dev, cmd->chanlist_len, cmd->chanlist);
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devpriv->adcsr = DT2821_ADCLK | DT2821_IADDONE;
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- update_adcsr(0);
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+ outw(devpriv->adcsr, dev->iobase + DT2821_ADCSR);
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- update_supcsr(DT2821_PRLD);
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+ outw(devpriv->supcsr | DT2821_PRLD, dev->iobase + DT2821_SUPCSR);
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wait_for(!mux_busy(), comedi_error(dev, "timeout\n"); return -ETIME;);
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if (cmd->scan_begin_src == TRIG_FOLLOW) {
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- update_supcsr(DT2821_STRIG);
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+ outw(devpriv->supcsr | DT2821_STRIG,
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+ dev->iobase + DT2821_SUPCSR);
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} else {
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devpriv->supcsr |= DT2821_XTRIG;
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- update_supcsr(0);
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+ outw(devpriv->supcsr, dev->iobase + DT2821_SUPCSR);
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}
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return 0;
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@@ -766,10 +768,10 @@ static int dt282x_ai_cancel(struct comedi_device *dev,
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dt282x_disable_dma(dev);
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devpriv->adcsr = 0;
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- update_adcsr(0);
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+ outw(devpriv->adcsr, dev->iobase + DT2821_ADCSR);
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devpriv->supcsr = 0;
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- update_supcsr(DT2821_ADCINIT);
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+ outw(devpriv->supcsr | DT2821_ADCINIT, dev->iobase + DT2821_SUPCSR);
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return 0;
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}
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@@ -845,11 +847,11 @@ static int dt282x_ao_insn_write(struct comedi_device *dev,
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d ^= (1 << (boardtype.dabits - 1));
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}
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- update_dacsr(0);
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+ outw(devpriv->dacsr, dev->iobase + DT2821_DACSR);
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outw(d, dev->iobase + DT2821_DADAT);
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- update_supcsr(DT2821_DACON);
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+ outw(devpriv->supcsr | DT2821_DACON, dev->iobase + DT2821_SUPCSR);
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return 1;
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}
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@@ -972,7 +974,7 @@ static int dt282x_ao_inttrig(struct comedi_device *dev,
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}
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prep_ao_dma(dev, 1, size);
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- update_supcsr(DT2821_STRIG);
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+ outw(devpriv->supcsr | DT2821_STRIG, dev->iobase + DT2821_SUPCSR);
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s->async->inttrig = NULL;
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return 1;
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@@ -993,7 +995,8 @@ static int dt282x_ao_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
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dt282x_disable_dma(dev);
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devpriv->supcsr = DT2821_ERRINTEN | DT2821_DS1 | DT2821_DDMA;
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- update_supcsr(DT2821_CLRDMADNE | DT2821_BUFFB | DT2821_DACINIT);
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+ outw(devpriv->supcsr | DT2821_CLRDMADNE | DT2821_BUFFB | DT2821_DACINIT,
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+ dev->iobase + DT2821_SUPCSR);
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devpriv->ntrig = cmd->stop_arg * cmd->chanlist_len;
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devpriv->nread = devpriv->ntrig;
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@@ -1005,7 +1008,7 @@ static int dt282x_ao_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
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outw(timer, dev->iobase + DT2821_TMRCTR);
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devpriv->dacsr = DT2821_SSEL | DT2821_DACLK | DT2821_IDARDY;
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- update_dacsr(0);
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+ outw(devpriv->dacsr, dev->iobase + DT2821_DACSR);
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s->async->inttrig = dt282x_ao_inttrig;
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@@ -1018,10 +1021,10 @@ static int dt282x_ao_cancel(struct comedi_device *dev,
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dt282x_disable_dma(dev);
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devpriv->dacsr = 0;
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- update_dacsr(0);
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+ outw(devpriv->dacsr, dev->iobase + DT2821_DACSR);
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devpriv->supcsr = 0;
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- update_supcsr(DT2821_DACINIT);
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+ outw(devpriv->supcsr | DT2821_DACINIT, dev->iobase + DT2821_SUPCSR);
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return 0;
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}
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