diff options
-rw-r--r-- | drivers/staging/comedi/drivers/8255.c | 22 | ||||
-rw-r--r-- | drivers/staging/comedi/drivers/amplc_dio200_common.c | 31 | ||||
-rw-r--r-- | drivers/staging/comedi/drivers/dmm32at.c | 70 | ||||
-rw-r--r-- | drivers/staging/comedi/drivers/dt2817.c | 51 | ||||
-rw-r--r-- | drivers/staging/comedi/drivers/ni_6527.c | 22 | ||||
-rw-r--r-- | drivers/staging/comedi/drivers/ni_daq_700.c | 18 | ||||
-rw-r--r-- | drivers/staging/comedi/drivers/pcl711.c | 19 | ||||
-rw-r--r-- | drivers/staging/comedi/drivers/pcl726.c | 19 | ||||
-rw-r--r-- | drivers/staging/comedi/drivers/pcl730.c | 13 |
9 files changed, 124 insertions, 141 deletions
diff --git a/drivers/staging/comedi/drivers/8255.c b/drivers/staging/comedi/drivers/8255.c index 5283bb5..5737bb4 100644 --- a/drivers/staging/comedi/drivers/8255.c +++ b/drivers/staging/comedi/drivers/8255.c @@ -126,30 +126,24 @@ EXPORT_SYMBOL_GPL(subdev_8255_interrupt); static int subdev_8255_insn(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) + struct comedi_insn *insn, + unsigned int *data) { struct subdev_8255_private *spriv = s->private; unsigned long iobase = spriv->iobase; unsigned int mask; - unsigned int bits; unsigned int v; - mask = data[0]; - bits = data[1]; - + mask = comedi_dio_update_state(s, data); if (mask) { - v = s->state; - v &= ~mask; - v |= (bits & mask); - if (mask & 0xff) - spriv->io(1, _8255_DATA, v & 0xff, iobase); + spriv->io(1, _8255_DATA, s->state & 0xff, iobase); if (mask & 0xff00) - spriv->io(1, _8255_DATA + 1, (v >> 8) & 0xff, iobase); + spriv->io(1, _8255_DATA + 1, (s->state >> 8) & 0xff, + iobase); if (mask & 0xff0000) - spriv->io(1, _8255_DATA + 2, (v >> 16) & 0xff, iobase); - - s->state = v; + spriv->io(1, _8255_DATA + 2, (s->state >> 16) & 0xff, + iobase); } v = spriv->io(0, _8255_DATA, 0, iobase); diff --git a/drivers/staging/comedi/drivers/amplc_dio200_common.c b/drivers/staging/comedi/drivers/amplc_dio200_common.c index 8c6fa1e..2e4bf28 100644 --- a/drivers/staging/comedi/drivers/amplc_dio200_common.c +++ b/drivers/staging/comedi/drivers/amplc_dio200_common.c @@ -941,31 +941,34 @@ static void dio200_subdev_8255_set_dir(struct comedi_device *dev, dio200_write8(dev, subpriv->ofs + 3, config); } -/* - * Handle 'insn_bits' for an '8255' DIO subdevice. - */ static int dio200_subdev_8255_bits(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) + struct comedi_insn *insn, + unsigned int *data) { struct dio200_subdev_8255 *subpriv = s->private; + unsigned int mask; + unsigned int val; - if (data[0]) { - s->state &= ~data[0]; - s->state |= (data[0] & data[1]); - if (data[0] & 0xff) + mask = comedi_dio_update_state(s, data); + if (mask) { + if (mask & 0xff) dio200_write8(dev, subpriv->ofs, s->state & 0xff); - if (data[0] & 0xff00) + if (mask & 0xff00) dio200_write8(dev, subpriv->ofs + 1, (s->state >> 8) & 0xff); - if (data[0] & 0xff0000) + if (mask & 0xff0000) dio200_write8(dev, subpriv->ofs + 2, (s->state >> 16) & 0xff); } - data[1] = dio200_read8(dev, subpriv->ofs); - data[1] |= dio200_read8(dev, subpriv->ofs + 1) << 8; - data[1] |= dio200_read8(dev, subpriv->ofs + 2) << 16; - return 2; + + val = dio200_read8(dev, subpriv->ofs); + val |= dio200_read8(dev, subpriv->ofs + 1) << 8; + val |= dio200_read8(dev, subpriv->ofs + 2) << 16; + + data[1] = val; + + return insn->n; } /* diff --git a/drivers/staging/comedi/drivers/dmm32at.c b/drivers/staging/comedi/drivers/dmm32at.c index 118a4fd..b04a563 100644 --- a/drivers/staging/comedi/drivers/dmm32at.c +++ b/drivers/staging/comedi/drivers/dmm32at.c @@ -596,52 +596,40 @@ static int dmm32at_ao_rinsn(struct comedi_device *dev, static int dmm32at_dio_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) + struct comedi_insn *insn, + unsigned int *data) { struct dmm32at_private *devpriv = dev->private; - unsigned char diobits; - - /* The insn data is a mask in data[0] and the new data - * in data[1], each channel cooresponding to a bit. */ - if (data[0]) { - s->state &= ~data[0]; - s->state |= data[0] & data[1]; - /* Write out the new digital output lines */ - /* outw(s->state,dev->iobase + DMM32AT_DIO); */ + unsigned int mask; + unsigned int val; + + mask = comedi_dio_update_state(s, data); + if (mask) { + /* get access to the DIO regs */ + outb(DMM32AT_DIOACC, dev->iobase + DMM32AT_CNTRL); + + /* if either part of dio is set for output */ + if (((devpriv->dio_config & DMM32AT_DIRCL) == 0) || + ((devpriv->dio_config & DMM32AT_DIRCH) == 0)) { + val = (s->state & 0x00ff0000) >> 16; + outb(val, dev->iobase + DMM32AT_DIOC); + } + if ((devpriv->dio_config & DMM32AT_DIRB) == 0) { + val = (s->state & 0x0000ff00) >> 8; + outb(val, dev->iobase + DMM32AT_DIOB); + } + if ((devpriv->dio_config & DMM32AT_DIRA) == 0) { + val = (s->state & 0x000000ff); + outb(val, dev->iobase + DMM32AT_DIOA); + } } - /* get access to the DIO regs */ - outb(DMM32AT_DIOACC, dev->iobase + DMM32AT_CNTRL); - - /* if either part of dio is set for output */ - if (((devpriv->dio_config & DMM32AT_DIRCL) == 0) || - ((devpriv->dio_config & DMM32AT_DIRCH) == 0)) { - diobits = (s->state & 0x00ff0000) >> 16; - outb(diobits, dev->iobase + DMM32AT_DIOC); - } - if ((devpriv->dio_config & DMM32AT_DIRB) == 0) { - diobits = (s->state & 0x0000ff00) >> 8; - outb(diobits, dev->iobase + DMM32AT_DIOB); - } - if ((devpriv->dio_config & DMM32AT_DIRA) == 0) { - diobits = (s->state & 0x000000ff); - outb(diobits, dev->iobase + DMM32AT_DIOA); - } + val = inb(dev->iobase + DMM32AT_DIOA); + val |= inb(dev->iobase + DMM32AT_DIOB) << 8; + val |= inb(dev->iobase + DMM32AT_DIOC) << 16; + s->state = val; - /* now read the state back in */ - s->state = inb(dev->iobase + DMM32AT_DIOC); - s->state <<= 8; - s->state |= inb(dev->iobase + DMM32AT_DIOB); - s->state <<= 8; - s->state |= inb(dev->iobase + DMM32AT_DIOA); - data[1] = s->state; - - /* on return, data[1] contains the value of the digital - * input and output lines. */ - /* data[1]=inw(dev->iobase + DMM32AT_DIO); */ - /* or we could just return the software copy of the output values if - * it was a purely digital output subdevice */ - /* data[1]=s->state; */ + data[1] = val; return insn->n; } diff --git a/drivers/staging/comedi/drivers/dt2817.c b/drivers/staging/comedi/drivers/dt2817.c index f4a8529..bf58993 100644 --- a/drivers/staging/comedi/drivers/dt2817.c +++ b/drivers/staging/comedi/drivers/dt2817.c @@ -80,36 +80,31 @@ static int dt2817_dio_insn_config(struct comedi_device *dev, static int dt2817_dio_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) + struct comedi_insn *insn, + unsigned int *data) { - unsigned int changed; - - /* It's questionable whether it is more important in - * a driver like this to be deterministic or fast. - * We choose fast. */ - - if (data[0]) { - changed = s->state; - s->state &= ~data[0]; - s->state |= (data[0] & data[1]); - changed ^= s->state; - changed &= s->io_bits; - if (changed & 0x000000ff) - outb(s->state & 0xff, dev->iobase + DT2817_DATA + 0); - if (changed & 0x0000ff00) - outb((s->state >> 8) & 0xff, - dev->iobase + DT2817_DATA + 1); - if (changed & 0x00ff0000) - outb((s->state >> 16) & 0xff, - dev->iobase + DT2817_DATA + 2); - if (changed & 0xff000000) - outb((s->state >> 24) & 0xff, - dev->iobase + DT2817_DATA + 3); + unsigned long iobase = dev->iobase + DT2817_DATA; + unsigned int mask; + unsigned int val; + + mask = comedi_dio_update_state(s, data); + if (mask) { + if (mask & 0x000000ff) + outb(s->state & 0xff, iobase + 0); + if (mask & 0x0000ff00) + outb((s->state >> 8) & 0xff, iobase + 1); + if (mask & 0x00ff0000) + outb((s->state >> 16) & 0xff, iobase + 2); + if (mask & 0xff000000) + outb((s->state >> 24) & 0xff, iobase + 3); } - data[1] = inb(dev->iobase + DT2817_DATA + 0); - data[1] |= (inb(dev->iobase + DT2817_DATA + 1) << 8); - data[1] |= (inb(dev->iobase + DT2817_DATA + 2) << 16); - data[1] |= (inb(dev->iobase + DT2817_DATA + 3) << 24); + + val = inb(iobase + 0); + val |= (inb(iobase + 1) << 8); + val |= (inb(iobase + 2) << 16); + val |= (inb(iobase + 3) << 24); + + data[1] = val; return insn->n; } diff --git a/drivers/staging/comedi/drivers/ni_6527.c b/drivers/staging/comedi/drivers/ni_6527.c index c2745f2..44557c9 100644 --- a/drivers/staging/comedi/drivers/ni_6527.c +++ b/drivers/staging/comedi/drivers/ni_6527.c @@ -163,29 +163,29 @@ static int ni6527_di_insn_bits(struct comedi_device *dev, static int ni6527_do_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) + struct comedi_insn *insn, + unsigned int *data) { struct ni6527_private *devpriv = dev->private; + unsigned int mask; - if (data[0]) { - s->state &= ~data[0]; - s->state |= (data[0] & data[1]); - - /* The open relay state on the board cooresponds to 1, - * but in Comedi, it is represented by 0. */ - if (data[0] & 0x0000ff) { - writeb((s->state ^ 0xff), + mask = comedi_dio_update_state(s, data); + if (mask) { + /* Outputs are inverted */ + if (mask & 0x0000ff) { + writeb(s->state ^ 0xff, devpriv->mite->daq_io_addr + Port_Register(3)); } - if (data[0] & 0x00ff00) { + if (mask & 0x00ff00) { writeb((s->state >> 8) ^ 0xff, devpriv->mite->daq_io_addr + Port_Register(4)); } - if (data[0] & 0xff0000) { + if (mask & 0xff0000) { writeb((s->state >> 16) ^ 0xff, devpriv->mite->daq_io_addr + Port_Register(5)); } } + data[1] = s->state; return insn->n; diff --git a/drivers/staging/comedi/drivers/ni_daq_700.c b/drivers/staging/comedi/drivers/ni_daq_700.c index 0ac875f..e4cdca3 100644 --- a/drivers/staging/comedi/drivers/ni_daq_700.c +++ b/drivers/staging/comedi/drivers/ni_daq_700.c @@ -72,18 +72,22 @@ Manuals: Register level: http://www.ni.com/pdf/manuals/340698.pdf static int daq700_dio_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) + struct comedi_insn *insn, + unsigned int *data) { - if (data[0]) { - s->state &= ~data[0]; - s->state |= (data[0] & data[1]); + unsigned int mask; + unsigned int val; - if (data[0] & 0xff) + mask = comedi_dio_update_state(s, data); + if (mask) { + if (mask & 0xff) outb(s->state & 0xff, dev->iobase + DIO_W); } - data[1] = s->state & 0xff; - data[1] |= inb(dev->iobase + DIO_R) << 8; + val = s->state & 0xff; + val |= inb(dev->iobase + DIO_R) << 8; + + data[1] = val; return insn->n; } diff --git a/drivers/staging/comedi/drivers/pcl711.c b/drivers/staging/comedi/drivers/pcl711.c index e859f85..53cd1af 100644 --- a/drivers/staging/comedi/drivers/pcl711.c +++ b/drivers/staging/comedi/drivers/pcl711.c @@ -422,19 +422,20 @@ static int pcl711_di_insn_bits(struct comedi_device *dev, return insn->n; } -/* Digital port write - Untested on 8112 */ static int pcl711_do_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) + struct comedi_insn *insn, + unsigned int *data) { - if (data[0]) { - s->state &= ~data[0]; - s->state |= data[0] & data[1]; + unsigned int mask; + + mask = comedi_dio_update_state(s, data); + if (mask) { + if (mask & 0x00ff) + outb(s->state & 0xff, dev->iobase + PCL711_DO_LO); + if (mask & 0xff00) + outb((s->state >> 8), dev->iobase + PCL711_DO_HI); } - if (data[0] & 0x00ff) - outb(s->state & 0xff, dev->iobase + PCL711_DO_LO); - if (data[0] & 0xff00) - outb((s->state >> 8), dev->iobase + PCL711_DO_HI); data[1] = s->state; diff --git a/drivers/staging/comedi/drivers/pcl726.c b/drivers/staging/comedi/drivers/pcl726.c index a4d0bcc..32fb57a 100644 --- a/drivers/staging/comedi/drivers/pcl726.c +++ b/drivers/staging/comedi/drivers/pcl726.c @@ -196,18 +196,19 @@ static int pcl726_di_insn_bits(struct comedi_device *dev, static int pcl726_do_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) + struct comedi_insn *insn, + unsigned int *data) { const struct pcl726_board *board = comedi_board(dev); - - if (data[0]) { - s->state &= ~data[0]; - s->state |= data[0] & data[1]; + unsigned int mask; + + mask = comedi_dio_update_state(s, data); + if (mask) { + if (mask & 0x00ff) + outb(s->state & 0xff, dev->iobase + board->do_lo); + if (mask & 0xff00) + outb((s->state >> 8), dev->iobase + board->do_hi); } - if (data[1] & 0x00ff) - outb(s->state & 0xff, dev->iobase + board->do_lo); - if (data[1] & 0xff00) - outb((s->state >> 8), dev->iobase + board->do_hi); data[1] = s->state; diff --git a/drivers/staging/comedi/drivers/pcl730.c b/drivers/staging/comedi/drivers/pcl730.c index 2a659f2..d041b71 100644 --- a/drivers/staging/comedi/drivers/pcl730.c +++ b/drivers/staging/comedi/drivers/pcl730.c @@ -167,20 +167,17 @@ static int pcl730_do_insn_bits(struct comedi_device *dev, unsigned int *data) { unsigned long reg = (unsigned long)s->private; - unsigned int mask = data[0]; - unsigned int bits = data[1]; + unsigned int mask; + mask = comedi_dio_update_state(s, data); if (mask) { - s->state &= ~mask; - s->state |= (bits & mask); - if (mask & 0x00ff) outb(s->state & 0xff, dev->iobase + reg); - if ((mask & 0xff00) && (s->n_chan > 8)) + if ((mask & 0xff00) & (s->n_chan > 8)) outb((s->state >> 8) & 0xff, dev->iobase + reg + 1); - if ((mask & 0xff0000) && (s->n_chan > 16)) + if ((mask & 0xff0000) & (s->n_chan > 16)) outb((s->state >> 16) & 0xff, dev->iobase + reg + 2); - if ((mask & 0xff000000) && (s->n_chan > 24)) + if ((mask & 0xff000000) & (s->n_chan > 24)) outb((s->state >> 24) & 0xff, dev->iobase + reg + 3); } |