diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/cb_pcidas64.c')
-rw-r--r-- | drivers/staging/comedi/drivers/cb_pcidas64.c | 128 |
1 files changed, 41 insertions, 87 deletions
diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c index 65cbaabf6456..0472a9088abe 100644 --- a/drivers/staging/comedi/drivers/cb_pcidas64.c +++ b/drivers/staging/comedi/drivers/cb_pcidas64.c @@ -1348,7 +1348,7 @@ static int setup_subdevices(struct comedi_device *dev) if (ret) return ret; - s = dev->subdevices + 0; + s = &dev->subdevices[0]; /* analog input subdevice */ dev->read_subdev = s; s->type = COMEDI_SUBD_AI; @@ -1379,7 +1379,7 @@ static int setup_subdevices(struct comedi_device *dev) } /* analog output subdevice */ - s = dev->subdevices + 1; + s = &dev->subdevices[1]; if (board(dev)->ao_nchan) { s->type = COMEDI_SUBD_AO; s->subdev_flags = @@ -1401,7 +1401,7 @@ static int setup_subdevices(struct comedi_device *dev) } /* digital input */ - s = dev->subdevices + 2; + s = &dev->subdevices[2]; if (board(dev)->layout == LAYOUT_64XX) { s->type = COMEDI_SUBD_DI; s->subdev_flags = SDF_READABLE; @@ -1414,7 +1414,7 @@ static int setup_subdevices(struct comedi_device *dev) /* digital output */ if (board(dev)->layout == LAYOUT_64XX) { - s = dev->subdevices + 3; + s = &dev->subdevices[3]; s->type = COMEDI_SUBD_DO; s->subdev_flags = SDF_WRITABLE | SDF_READABLE; s->n_chan = 4; @@ -1425,7 +1425,7 @@ static int setup_subdevices(struct comedi_device *dev) s->type = COMEDI_SUBD_UNUSED; /* 8255 */ - s = dev->subdevices + 4; + s = &dev->subdevices[4]; if (board(dev)->has_8255) { if (board(dev)->layout == LAYOUT_4020) { dio_8255_iobase = @@ -1442,7 +1442,7 @@ static int setup_subdevices(struct comedi_device *dev) s->type = COMEDI_SUBD_UNUSED; /* 8 channel dio for 60xx */ - s = dev->subdevices + 5; + s = &dev->subdevices[5]; if (board(dev)->layout == LAYOUT_60XX) { s->type = COMEDI_SUBD_DIO; s->subdev_flags = SDF_WRITABLE | SDF_READABLE; @@ -1455,7 +1455,7 @@ static int setup_subdevices(struct comedi_device *dev) s->type = COMEDI_SUBD_UNUSED; /* caldac */ - s = dev->subdevices + 6; + s = &dev->subdevices[6]; s->type = COMEDI_SUBD_CALIB; s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_INTERNAL; s->n_chan = 8; @@ -1469,7 +1469,7 @@ static int setup_subdevices(struct comedi_device *dev) caldac_write(dev, i, s->maxdata / 2); /* 2 channel ad8402 potentiometer */ - s = dev->subdevices + 7; + s = &dev->subdevices[7]; if (board(dev)->layout == LAYOUT_64XX) { s->type = COMEDI_SUBD_CALIB; s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_INTERNAL; @@ -1483,7 +1483,7 @@ static int setup_subdevices(struct comedi_device *dev) s->type = COMEDI_SUBD_UNUSED; /* serial EEPROM, if present */ - s = dev->subdevices + 8; + s = &dev->subdevices[8]; if (readl(priv(dev)->plx9080_iobase + PLX_CONTROL_REG) & CTL_EECHK) { s->type = COMEDI_SUBD_MEMORY; s->subdev_flags = SDF_READABLE | SDF_INTERNAL; @@ -1494,7 +1494,7 @@ static int setup_subdevices(struct comedi_device *dev) s->type = COMEDI_SUBD_UNUSED; /* user counter subd XXX */ - s = dev->subdevices + 9; + s = &dev->subdevices[9]; s->type = COMEDI_SUBD_UNUSED; return 0; @@ -1847,7 +1847,7 @@ static void detach(struct comedi_device *dev) } } if (dev->subdevices) - subdev_8255_cleanup(dev, dev->subdevices + 4); + subdev_8255_cleanup(dev, &dev->subdevices[4]); if (pcidev) { if (dev->iobase) comedi_pci_disable(pcidev); @@ -2108,74 +2108,50 @@ static int ai_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_cmd *cmd) { int err = 0; - int tmp; unsigned int tmp_arg, tmp_arg2; int i; int aref; unsigned int triggers; - /* step 1: make sure trigger sources are trivially valid */ + /* Step 1 : check if triggers are trivially valid */ - tmp = cmd->start_src; - cmd->start_src &= TRIG_NOW | TRIG_EXT; - if (!cmd->start_src || tmp != cmd->start_src) - err++; + err |= cfc_check_trigger_src(&cmd->start_src, TRIG_NOW | TRIG_EXT); - tmp = cmd->scan_begin_src; triggers = TRIG_TIMER; if (board(dev)->layout == LAYOUT_4020) triggers |= TRIG_OTHER; else triggers |= TRIG_FOLLOW; - cmd->scan_begin_src &= triggers; - if (!cmd->scan_begin_src || tmp != cmd->scan_begin_src) - err++; + err |= cfc_check_trigger_src(&cmd->scan_begin_src, triggers); - tmp = cmd->convert_src; triggers = TRIG_TIMER; if (board(dev)->layout == LAYOUT_4020) triggers |= TRIG_NOW; else triggers |= TRIG_EXT; - cmd->convert_src &= triggers; - if (!cmd->convert_src || tmp != cmd->convert_src) - err++; - - tmp = cmd->scan_end_src; - cmd->scan_end_src &= TRIG_COUNT; - if (!cmd->scan_end_src || tmp != cmd->scan_end_src) - err++; + err |= cfc_check_trigger_src(&cmd->convert_src, triggers); - tmp = cmd->stop_src; - cmd->stop_src &= TRIG_COUNT | TRIG_EXT | TRIG_NONE; - if (!cmd->stop_src || tmp != cmd->stop_src) - err++; + err |= cfc_check_trigger_src(&cmd->scan_end_src, TRIG_COUNT); + err |= cfc_check_trigger_src(&cmd->stop_src, + TRIG_COUNT | TRIG_EXT | TRIG_NONE); if (err) return 1; - /* step 2: make sure trigger sources are unique and mutually compatible */ + /* Step 2a : make sure trigger sources are unique */ - /* uniqueness check */ - if (cmd->start_src != TRIG_NOW && cmd->start_src != TRIG_EXT) - err++; - if (cmd->scan_begin_src != TRIG_TIMER && - cmd->scan_begin_src != TRIG_OTHER && - cmd->scan_begin_src != TRIG_FOLLOW) - err++; - if (cmd->convert_src != TRIG_TIMER && - cmd->convert_src != TRIG_EXT && cmd->convert_src != TRIG_NOW) - err++; - if (cmd->stop_src != TRIG_COUNT && - cmd->stop_src != TRIG_NONE && cmd->stop_src != TRIG_EXT) - err++; + err |= cfc_check_trigger_is_unique(cmd->start_src); + err |= cfc_check_trigger_is_unique(cmd->scan_begin_src); + err |= cfc_check_trigger_is_unique(cmd->convert_src); + err |= cfc_check_trigger_is_unique(cmd->stop_src); + + /* Step 2b : and mutually compatible */ - /* compatibility check */ if (cmd->convert_src == TRIG_EXT && cmd->scan_begin_src == TRIG_TIMER) - err++; + err |= -EINVAL; if (cmd->stop_src != TRIG_COUNT && cmd->stop_src != TRIG_NONE && cmd->stop_src != TRIG_EXT) - err++; + err |= -EINVAL; if (err) return 2; @@ -3466,55 +3442,33 @@ static int ao_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_cmd *cmd) { int err = 0; - int tmp; unsigned int tmp_arg; int i; - /* step 1: make sure trigger sources are trivially valid */ + /* Step 1 : check if triggers are trivially valid */ - tmp = cmd->start_src; - cmd->start_src &= TRIG_INT | TRIG_EXT; - if (!cmd->start_src || tmp != cmd->start_src) - err++; - - tmp = cmd->scan_begin_src; - cmd->scan_begin_src &= TRIG_TIMER | TRIG_EXT; - if (!cmd->scan_begin_src || tmp != cmd->scan_begin_src) - err++; - - tmp = cmd->convert_src; - cmd->convert_src &= TRIG_NOW; - if (!cmd->convert_src || tmp != cmd->convert_src) - err++; - - tmp = cmd->scan_end_src; - cmd->scan_end_src &= TRIG_COUNT; - if (!cmd->scan_end_src || tmp != cmd->scan_end_src) - err++; - - tmp = cmd->stop_src; - cmd->stop_src &= TRIG_NONE; - if (!cmd->stop_src || tmp != cmd->stop_src) - err++; + err |= cfc_check_trigger_src(&cmd->start_src, TRIG_INT | TRIG_EXT); + err |= cfc_check_trigger_src(&cmd->scan_begin_src, + TRIG_TIMER | TRIG_EXT); + err |= cfc_check_trigger_src(&cmd->convert_src, TRIG_NOW); + err |= cfc_check_trigger_src(&cmd->scan_end_src, TRIG_COUNT); + err |= cfc_check_trigger_src(&cmd->stop_src, TRIG_NONE); if (err) return 1; - /* step 2: make sure trigger sources are unique and mutually compatible */ + /* Step 2a : make sure trigger sources are unique */ - /* uniqueness check */ - if (cmd->start_src != TRIG_INT && cmd->start_src != TRIG_EXT) - err++; - if (cmd->scan_begin_src != TRIG_TIMER && - cmd->scan_begin_src != TRIG_EXT) - err++; + err |= cfc_check_trigger_is_unique(cmd->start_src); + err |= cfc_check_trigger_is_unique(cmd->scan_begin_src); + + /* Step 2b : and mutually compatible */ - /* compatibility check */ if (cmd->convert_src == TRIG_EXT && cmd->scan_begin_src == TRIG_TIMER) - err++; + err |= -EINVAL; if (cmd->stop_src != TRIG_COUNT && cmd->stop_src != TRIG_NONE && cmd->stop_src != TRIG_EXT) - err++; + err |= -EINVAL; if (err) return 2; |