diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/dt2811.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/dt2811.c | 92 |
1 files changed, 49 insertions, 43 deletions
diff --git a/drivers/staging/comedi/drivers/dt2811.c b/drivers/staging/comedi/drivers/dt2811.c index 795932ec67d3..7853902be621 100644 --- a/drivers/staging/comedi/drivers/dt2811.c +++ b/drivers/staging/comedi/drivers/dt2811.c @@ -45,6 +45,7 @@ Configuration options: [4] - D/A 1 range (same choices) */ +#include <linux/interrupt.h> #include "../comedidev.h" #include <linux/ioport.h> @@ -214,30 +215,30 @@ static const struct dt2811_board boardtypes[] = { #define this_board ((const struct dt2811_board *)dev->board_ptr) -static int dt2811_attach(struct comedi_device * dev, struct comedi_devconfig * it); -static int dt2811_detach(struct comedi_device * dev); +static int dt2811_attach(struct comedi_device *dev, struct comedi_devconfig *it); +static int dt2811_detach(struct comedi_device *dev); static struct comedi_driver driver_dt2811 = { - driver_name:"dt2811", - module:THIS_MODULE, - attach:dt2811_attach, - detach:dt2811_detach, - board_name:&boardtypes[0].name, - num_names:sizeof(boardtypes) / sizeof(struct dt2811_board), - offset:sizeof(struct dt2811_board), + .driver_name = "dt2811", + .module = THIS_MODULE, + .attach = dt2811_attach, + .detach = dt2811_detach, + .board_name = &boardtypes[0].name, + .num_names = ARRAY_SIZE(boardtypes), + .offset = sizeof(struct dt2811_board), }; COMEDI_INITCLEANUP(driver_dt2811); -static int dt2811_ai_insn(struct comedi_device * dev, struct comedi_subdevice * s, - struct comedi_insn * insn, unsigned int * data); -static int dt2811_ao_insn(struct comedi_device * dev, struct comedi_subdevice * s, - struct comedi_insn * insn, unsigned int * data); -static int dt2811_ao_insn_read(struct comedi_device * dev, struct comedi_subdevice * s, - struct comedi_insn * insn, unsigned int * data); -static int dt2811_di_insn_bits(struct comedi_device * dev, struct comedi_subdevice * s, - struct comedi_insn * insn, unsigned int * data); -static int dt2811_do_insn_bits(struct comedi_device * dev, struct comedi_subdevice * s, - struct comedi_insn * insn, unsigned int * data); +static int dt2811_ai_insn(struct comedi_device *dev, struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data); +static int dt2811_ao_insn(struct comedi_device *dev, struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data); +static int dt2811_ao_insn_read(struct comedi_device *dev, struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data); +static int dt2811_di_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data); +static int dt2811_do_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data); enum { card_2811_pgh, card_2811_pgl }; @@ -265,7 +266,7 @@ static const struct comedi_lrange *dac_range_types[] = { #define DT2811_TIMEOUT 5 #if 0 -static irqreturn_t dt2811_interrupt(int irq, void *d PT_REGS_ARG) +static irqreturn_t dt2811_interrupt(int irq, void *d) { int lo, hi; int data; @@ -311,11 +312,12 @@ static irqreturn_t dt2811_interrupt(int irq, void *d PT_REGS_ARG) 2 == unipolar 5V (0V -- +5V) */ -static int dt2811_attach(struct comedi_device * dev, struct comedi_devconfig * it) +static int dt2811_attach(struct comedi_device *dev, struct comedi_devconfig *it) { - //int i, irq; - //unsigned long irqs; - //long flags; + /* int i, irq; */ + /* unsigned long irqs; */ + /* long flags; */ + int ret; struct comedi_subdevice *s; unsigned long iobase; @@ -334,7 +336,7 @@ static int dt2811_attach(struct comedi_device * dev, struct comedi_devconfig * i #if 0 outb(0, dev->iobase + DT2811_ADCSR); - comedi_udelay(100); + udelay(100); i = inb(dev->iobase + DT2811_ADDATLO); i = inb(dev->iobase + DT2811_ADDATHI); #endif @@ -350,7 +352,7 @@ static int dt2811_attach(struct comedi_device * dev, struct comedi_devconfig * i dev->iobase + DT2811_ADCSR); outb(0, dev->iobase + DT2811_ADGCR); - comedi_udelay(100); + udelay(100); irq = probe_irq_off(irqs); restore_flags(flags); @@ -365,7 +367,7 @@ static int dt2811_attach(struct comedi_device * dev, struct comedi_devconfig * i i = inb(dev->iobase + DT2811_ADDATLO); i = inb(dev->iobase + DT2811_ADDATHI); printk("(irq = %d)\n", irq); - ret = comedi_request_irq(irq, dt2811_interrupt, 0, + ret = request_irq(irq, dt2811_interrupt, 0, driver_name, dev); if (ret < 0) return -EIO; @@ -378,10 +380,14 @@ static int dt2811_attach(struct comedi_device * dev, struct comedi_devconfig * i } #endif - if ((ret = alloc_subdevices(dev, 4)) < 0) + ret = alloc_subdevices(dev, 4); + if (ret < 0) return ret; - if ((ret = alloc_private(dev, sizeof(struct dt2811_private))) < 0) + + ret = alloc_private(dev, sizeof(struct dt2811_private)); + if (ret < 0) return ret; + switch (it->options[2]) { case 0: devpriv->adc_mux = adc_singleended; @@ -479,12 +485,12 @@ static int dt2811_attach(struct comedi_device * dev, struct comedi_devconfig * i return 0; } -static int dt2811_detach(struct comedi_device * dev) +static int dt2811_detach(struct comedi_device *dev) { printk("comedi%d: dt2811: remove\n", dev->minor); if (dev->irq) { - comedi_free_irq(dev->irq, dev); + free_irq(dev->irq, dev); } if (dev->iobase) { release_region(dev->iobase, DT2811_SIZE); @@ -493,8 +499,8 @@ static int dt2811_detach(struct comedi_device * dev) return 0; } -static int dt2811_ai_insn(struct comedi_device * dev, struct comedi_subdevice * s, - struct comedi_insn * insn, unsigned int * data) +static int dt2811_ai_insn(struct comedi_device *dev, struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data) { int chan = CR_CHAN(insn->chanspec); int timeout = DT2811_TIMEOUT; @@ -520,7 +526,7 @@ static int dt2811_ai_insn(struct comedi_device * dev, struct comedi_subdevice * #if 0 /* Wow. This is code from the Comedi stone age. But it hasn't been * replaced, so I'll let it stay. */ -int dt2811_adtrig(kdev_t minor, comedi_adtrig * adtrig) +int dt2811_adtrig(kdev_t minor, comedi_adtrig *adtrig) { struct comedi_device *dev = comedi_devices + minor; @@ -531,7 +537,7 @@ int dt2811_adtrig(kdev_t minor, comedi_adtrig * adtrig) case COMEDI_MDEMAND: dev->ntrig = adtrig->n - 1; /*printk("dt2811: AD soft trigger\n"); */ - /*outb(DT2811_CLRERROR|DT2811_INTENB,dev->iobase+DT2811_ADCSR); *//* not neccessary */ + /*outb(DT2811_CLRERROR|DT2811_INTENB,dev->iobase+DT2811_ADCSR); */ /* not neccessary */ outb(dev->curadchan, dev->iobase + DT2811_ADGCR); do_gettimeofday(&trigtime); break; @@ -544,8 +550,8 @@ int dt2811_adtrig(kdev_t minor, comedi_adtrig * adtrig) } #endif -static int dt2811_ao_insn(struct comedi_device * dev, struct comedi_subdevice * s, - struct comedi_insn * insn, unsigned int * data) +static int dt2811_ao_insn(struct comedi_device *dev, struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data) { int i; int chan; @@ -562,8 +568,8 @@ static int dt2811_ao_insn(struct comedi_device * dev, struct comedi_subdevice * return i; } -static int dt2811_ao_insn_read(struct comedi_device * dev, struct comedi_subdevice * s, - struct comedi_insn * insn, unsigned int * data) +static int dt2811_ao_insn_read(struct comedi_device *dev, struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data) { int i; int chan; @@ -577,8 +583,8 @@ static int dt2811_ao_insn_read(struct comedi_device * dev, struct comedi_subdevi return i; } -static int dt2811_di_insn_bits(struct comedi_device * dev, struct comedi_subdevice * s, - struct comedi_insn * insn, unsigned int * data) +static int dt2811_di_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data) { if (insn->n != 2) return -EINVAL; @@ -588,8 +594,8 @@ static int dt2811_di_insn_bits(struct comedi_device * dev, struct comedi_subdevi return 2; } -static int dt2811_do_insn_bits(struct comedi_device * dev, struct comedi_subdevice * s, - struct comedi_insn * insn, unsigned int * data) +static int dt2811_do_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data) { if (insn->n != 2) return -EINVAL; |