From: Bill Pemberton <wfp5p at virginia.edu> Signed-off-by: Bill Pemberton <wfp5p at virginia.edu> Signed-off-by: Greg Kroah-Hartman <gregkh at suse.de> --- drivers/staging/comedi/drivers/cb_pcimdas.c | 122 +++++++++++++------------- 1 files changed, 61 insertions(+), 61 deletions(-) diff --git a/drivers/staging/comedi/drivers/cb_pcimdas.c b/drivers/staging/comedi/drivers/cb_pcimdas.c index af705fa..49d32fb 100644 --- a/drivers/staging/comedi/drivers/cb_pcimdas.c +++ b/drivers/staging/comedi/drivers/cb_pcimdas.c @@ -48,24 +48,24 @@ See http://www.measurementcomputing.com/PDFManuals/pcim-das1602_16.pdf for more #include "plx9052.h" #include "8255.h" -//#define CBPCIMDAS_DEBUG +/* #define CBPCIMDAS_DEBUG */ #undef CBPCIMDAS_DEBUG /* Registers for the PCIM-DAS1602/16 */ -// sizes of io regions (bytes) -#define BADR0_SIZE 2 //?? +/* sizes of io regions (bytes) */ +#define BADR0_SIZE 2 /* ?? */ #define BADR1_SIZE 4 #define BADR2_SIZE 6 #define BADR3_SIZE 16 #define BADR4_SIZE 4 -//DAC Offsets +/* DAC Offsets */ #define ADC_TRIG 0 #define DAC0_OFFSET 2 #define DAC1_OFFSET 4 -//AI and Counter Constants +/* AI and Counter Constants */ #define MUX_LIMITS 0 #define MAIN_CONN_DIO 1 #define ADC_STAT 2 @@ -86,17 +86,17 @@ See http://www.measurementcomputing.com/PDFManuals/pcim-das1602_16.pdf for more struct cb_pcimdas_board { const char *name; unsigned short device_id; - int ai_se_chans; // Inputs in single-ended mode - int ai_diff_chans; // Inputs in differential mode - int ai_bits; // analog input resolution - int ai_speed; // fastest conversion period in ns - int ao_nchan; // number of analog out channels - int ao_bits; // analogue output resolution - int has_ao_fifo; // analog output has fifo - int ao_scan_speed; // analog output speed for 1602 series (for a scan, not conversion) - int fifo_size; // number of samples fifo can hold - int dio_bits; // number of dio bits - int has_dio; // has DIO + int ai_se_chans; /* Inputs in single-ended mode */ + int ai_diff_chans; /* Inputs in differential mode */ + int ai_bits; /* analog input resolution */ + int ai_speed; /* fastest conversion period in ns */ + int ao_nchan; /* number of analog out channels */ + int ao_bits; /* analogue output resolution */ + int has_ao_fifo; /* analog output has fifo */ + int ao_scan_speed; /* analog output speed for 1602 series (for a scan, not conversion) */ + int fifo_size; /* number of samples fifo can hold */ + int dio_bits; /* number of dio bits */ + int has_dio; /* has DIO */ const struct comedi_lrange *ranges; }; @@ -107,16 +107,16 @@ static const struct cb_pcimdas_board cb_pcimdas_boards[] = { ai_se_chans:16, ai_diff_chans:8, ai_bits: 16, - ai_speed:10000, //?? + ai_speed:10000, /* ?? */ ao_nchan:2, ao_bits: 12, - has_ao_fifo:0, //?? + has_ao_fifo:0, /* ?? */ ao_scan_speed:10000, - //?? + /* ?? */ fifo_size:1024, dio_bits:24, has_dio: 1, -// ranges: &cb_pcimdas_ranges, +/* ranges: &cb_pcimdas_ranges, */ }, }; @@ -129,7 +129,7 @@ static DEFINE_PCI_DEVICE_TABLE(cb_pcimdas_pci_table) = { MODULE_DEVICE_TABLE(pci, cb_pcimdas_pci_table); -#define N_BOARDS 1 // Max number of boards supported +#define N_BOARDS 1 /* Max number of boards supported */ /* * Useful for shorthand access to the particular board structure @@ -142,10 +142,10 @@ MODULE_DEVICE_TABLE(pci, cb_pcimdas_pci_table); struct cb_pcimdas_private { int data; - // would be useful for a PCI device + /* would be useful for a PCI device */ struct pci_dev *pci_dev; - //base addresses + /* base addresses */ unsigned long BADR0; unsigned long BADR1; unsigned long BADR2; @@ -155,11 +155,11 @@ struct cb_pcimdas_private { /* Used for AO readback */ unsigned int ao_readback[2]; - // Used for DIO - unsigned short int port_a; // copy of BADR4+0 - unsigned short int port_b; // copy of BADR4+1 - unsigned short int port_c; // copy of BADR4+2 - unsigned short int dio_mode; // copy of BADR4+3 + /* Used for DIO */ + unsigned short int port_a; /* copy of BADR4+0 */ + unsigned short int port_b; /* copy of BADR4+1 */ + unsigned short int port_c; /* copy of BADR4+2 */ + unsigned short int dio_mode; /* copy of BADR4+3 */ }; @@ -202,7 +202,7 @@ static int cb_pcimdas_attach(struct comedi_device * dev, struct comedi_devconfig struct comedi_subdevice *s; struct pci_dev *pcidev; int index; - //int i; + /* int i; */ printk("comedi%d: cb_pcimdas: ", dev->minor); @@ -220,17 +220,17 @@ static int cb_pcimdas_attach(struct comedi_device * dev, struct comedi_devconfig for (pcidev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, NULL); pcidev != NULL; pcidev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, pcidev)) { - // is it not a computer boards card? + /* is it not a computer boards card? */ if (pcidev->vendor != PCI_VENDOR_ID_COMPUTERBOARDS) continue; - // loop through cards supported by this driver + /* loop through cards supported by this driver */ for (index = 0; index < N_BOARDS; index++) { if (cb_pcimdas_boards[index].device_id != pcidev->device) continue; - // was a particular bus/slot requested? + /* was a particular bus/slot requested? */ if (it->options[0] || it->options[1]) { - // are we on the wrong bus/slot? + /* are we on the wrong bus/slot? */ if (pcidev->bus->number != it->options[0] || PCI_SLOT(pcidev->devfn) != it->options[1]) { @@ -252,7 +252,7 @@ static int cb_pcimdas_attach(struct comedi_device * dev, struct comedi_devconfig printk("Found %s on bus %i, slot %i\n", cb_pcimdas_boards[index].name, pcidev->bus->number, PCI_SLOT(pcidev->devfn)); - // Warn about non-tested features + /* Warn about non-tested features */ switch (thisboard->device_id) { case 0x56: break; @@ -280,16 +280,16 @@ static int cb_pcimdas_attach(struct comedi_device * dev, struct comedi_devconfig printk("devpriv->BADR4 = 0x%lx\n", devpriv->BADR4); #endif -// Dont support IRQ yet -// // get irq -// if(comedi_request_irq(devpriv->pci_dev->irq, cb_pcimdas_interrupt, IRQF_SHARED, "cb_pcimdas", dev )) -// { -// printk(" unable to allocate irq %u\n", devpriv->pci_dev->irq); -// return -EINVAL; -// } -// dev->irq = devpriv->pci_dev->irq; +/* Dont support IRQ yet */ +/* get irq */ +/* if(comedi_request_irq(devpriv->pci_dev->irq, cb_pcimdas_interrupt, IRQF_SHARED, "cb_pcimdas", dev )) */ +/* { */ +/* printk(" unable to allocate irq %u\n", devpriv->pci_dev->irq); */ +/* return -EINVAL; */ +/* } */ +/* dev->irq = devpriv->pci_dev->irq; */ - //Initialize dev->board_name + /* Initialize dev->board_name */ dev->board_name = thisboard->name; /* @@ -300,24 +300,24 @@ static int cb_pcimdas_attach(struct comedi_device * dev, struct comedi_devconfig return -ENOMEM; s = dev->subdevices + 0; - //dev->read_subdev=s; - // analog input subdevice + /* dev->read_subdev=s; */ + /* analog input subdevice */ s->type = COMEDI_SUBD_AI; s->subdev_flags = SDF_READABLE | SDF_GROUND; s->n_chan = thisboard->ai_se_chans; s->maxdata = (1 << thisboard->ai_bits) - 1; s->range_table = &range_unknown; - s->len_chanlist = 1; // This is the maximum chanlist length that - // the board can handle + s->len_chanlist = 1; /* This is the maximum chanlist length that */ + /* the board can handle */ s->insn_read = cb_pcimdas_ai_rinsn; s = dev->subdevices + 1; - // analog output subdevice + /* analog output subdevice */ s->type = COMEDI_SUBD_AO; s->subdev_flags = SDF_WRITABLE; s->n_chan = thisboard->ao_nchan; s->maxdata = 1 << thisboard->ao_bits; - s->range_table = &range_unknown; //ranges are hardware settable, but not software readable. + s->range_table = &range_unknown; /* ranges are hardware settable, but not software readable. */ s->insn_write = &cb_pcimdas_ao_winsn; s->insn_read = &cb_pcimdas_ao_rinsn; @@ -382,27 +382,27 @@ static int cb_pcimdas_ai_rinsn(struct comedi_device * dev, struct comedi_subdevi unsigned short chanlims; int maxchans; - // only support sw initiated reads from a single channel + /* only support sw initiated reads from a single channel */ - //check channel number - if ((inb(devpriv->BADR3 + 2) & 0x20) == 0) //differential mode + /* check channel number */ + if ((inb(devpriv->BADR3 + 2) & 0x20) == 0) /* differential mode */ maxchans = thisboard->ai_diff_chans; else maxchans = thisboard->ai_se_chans; if (chan > (maxchans - 1)) - return -ETIMEDOUT; //*** Wrong error code. Fixme. + return -ETIMEDOUT; /* *** Wrong error code. Fixme. */ - //configure for sw initiated read + /* configure for sw initiated read */ d = inb(devpriv->BADR3 + 5); - if ((d & 0x03) > 0) { //only reset if needed. + if ((d & 0x03) > 0) { /* only reset if needed. */ d = d & 0xfd; outb(d, devpriv->BADR3 + 5); } - outb(0x01, devpriv->BADR3 + 6); //set bursting off, conversions on - outb(0x00, devpriv->BADR3 + 7); //set range to 10V. UP/BP is controlled by a switch on the board + outb(0x01, devpriv->BADR3 + 6); /* set bursting off, conversions on */ + outb(0x00, devpriv->BADR3 + 7); /* set range to 10V. UP/BP is controlled by a switch on the board */ - // write channel limits to multiplexer, set Low (bits 0-3) and High (bits 4-7) channels to chan. + /* write channel limits to multiplexer, set Low (bits 0-3) and High (bits 4-7) channels to chan. */ chanlims = chan | (chan << 4); outb(chanlims, devpriv->BADR3 + 0); @@ -411,8 +411,8 @@ static int cb_pcimdas_ai_rinsn(struct comedi_device * dev, struct comedi_subdevi /* trigger conversion */ outw(0, devpriv->BADR2 + 0); -#define TIMEOUT 1000 //typically takes 5 loops on a lightly loaded Pentium 100MHz, - //this is likely to be 100 loops on a 2GHz machine, so set 1000 as the limit. +#define TIMEOUT 1000 /* typically takes 5 loops on a lightly loaded Pentium 100MHz, */ + /* this is likely to be 100 loops on a 2GHz machine, so set 1000 as the limit. */ /* wait for conversion to end */ for (i = 0; i < TIMEOUT; i++) { @@ -428,7 +428,7 @@ static int cb_pcimdas_ai_rinsn(struct comedi_device * dev, struct comedi_subdevi d = inw(devpriv->BADR2 + 0); /* mangle the data as necessary */ - //d ^= 1<<(thisboard->ai_bits-1); // 16 bit data from ADC, so no mangle needed. + /* d ^= 1<<(thisboard->ai_bits-1); // 16 bit data from ADC, so no mangle needed. */ data[n] = d; } -- 1.6.3.2
