diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/addi_apci_3501.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/addi_apci_3501.c | 85 |
1 files changed, 29 insertions, 56 deletions
diff --git a/drivers/staging/comedi/drivers/addi_apci_3501.c b/drivers/staging/comedi/drivers/addi_apci_3501.c index 40ff91411139..57f0f46de0be 100644 --- a/drivers/staging/comedi/drivers/addi_apci_3501.c +++ b/drivers/staging/comedi/drivers/addi_apci_3501.c @@ -22,12 +22,36 @@ * more details. */ +/* + * Driver: addi_apci_3501 + * Description: ADDI-DATA APCI-3501 Analog output board + * Devices: [ADDI-DATA] APCI-3501 (addi_apci_3501) + * Author: H Hartley Sweeten <hsweeten@visionengravers.com> + * Updated: Mon, 20 Jun 2016 10:57:01 -0700 + * Status: untested + * + * Configuration Options: not applicable, uses comedi PCI auto config + * + * This board has the following features: + * - 4 or 8 analog output channels + * - 2 optically isolated digital inputs + * - 2 optically isolated digital outputs + * - 1 12-bit watchdog/timer + * + * There are 2 versions of the APCI-3501: + * - APCI-3501-4 4 analog output channels + * - APCI-3501-8 8 analog output channels + * + * These boards use the same PCI Vendor/Device IDs. The number of output + * channels used by this driver is determined by reading the EEPROM on + * the board. + * + * The watchdog/timer subdevice is not currently supported. + */ + #include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/sched.h> #include "../comedi_pci.h" -#include "addi_tcw.h" #include "amcc_s5933.h" /* @@ -67,8 +91,6 @@ struct apci3501_private { unsigned long amcc; - unsigned long tcw; - struct task_struct *tsk_Current; unsigned char timer_mode; }; @@ -139,8 +161,6 @@ static int apci3501_ao_insn_write(struct comedi_device *dev, return insn->n; } -#include "addi-data/hwdrv_apci3501.c" - static int apci3501_di_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, @@ -253,37 +273,6 @@ static int apci3501_eeprom_insn_read(struct comedi_device *dev, return insn->n; } -static irqreturn_t apci3501_interrupt(int irq, void *d) -{ - struct comedi_device *dev = d; - struct apci3501_private *devpriv = dev->private; - unsigned int status; - unsigned int ctrl; - - /* Disable Interrupt */ - ctrl = inl(devpriv->tcw + ADDI_TCW_CTRL_REG); - ctrl &= ~(ADDI_TCW_CTRL_GATE | ADDI_TCW_CTRL_TRIG | - ADDI_TCW_CTRL_IRQ_ENA); - outl(ctrl, devpriv->tcw + ADDI_TCW_CTRL_REG); - - status = inl(devpriv->tcw + ADDI_TCW_IRQ_REG); - if (!(status & ADDI_TCW_IRQ)) { - dev_err(dev->class_dev, "IRQ from unknown source\n"); - return IRQ_NONE; - } - - /* Enable Interrupt Send a signal to from kernel to user space */ - send_sig(SIGIO, devpriv->tsk_Current, 0); - ctrl = inl(devpriv->tcw + ADDI_TCW_CTRL_REG); - ctrl &= ~(ADDI_TCW_CTRL_GATE | ADDI_TCW_CTRL_TRIG | - ADDI_TCW_CTRL_IRQ_ENA); - ctrl |= ADDI_TCW_CTRL_IRQ_ENA; - outl(ctrl, devpriv->tcw + ADDI_TCW_CTRL_REG); - inl(devpriv->tcw + ADDI_TCW_STATUS_REG); - - return IRQ_HANDLED; -} - static int apci3501_reset(struct comedi_device *dev) { unsigned int val; @@ -333,17 +322,9 @@ static int apci3501_auto_attach(struct comedi_device *dev, devpriv->amcc = pci_resource_start(pcidev, 0); dev->iobase = pci_resource_start(pcidev, 1); - devpriv->tcw = dev->iobase + APCI3501_TIMER_BASE; ao_n_chan = apci3501_eeprom_get_ao_n_chan(dev); - if (pcidev->irq > 0) { - ret = request_irq(pcidev->irq, apci3501_interrupt, IRQF_SHARED, - dev->board_name, dev); - if (ret == 0) - dev->irq = pcidev->irq; - } - ret = comedi_alloc_subdevices(dev, 5); if (ret) return ret; @@ -383,17 +364,9 @@ static int apci3501_auto_attach(struct comedi_device *dev, s->range_table = &range_digital; s->insn_bits = apci3501_do_insn_bits; - /* Initialize the timer/watchdog subdevice */ + /* Timer/Watchdog subdevice */ s = &dev->subdevices[3]; - s->type = COMEDI_SUBD_TIMER; - s->subdev_flags = SDF_WRITABLE; - s->n_chan = 1; - s->maxdata = 0; - s->len_chanlist = 1; - s->range_table = &range_digital; - s->insn_write = apci3501_write_insn_timer; - s->insn_read = apci3501_read_insn_timer; - s->insn_config = apci3501_config_insn_timer; + s->type = COMEDI_SUBD_UNUSED; /* Initialize the eeprom subdevice */ s = &dev->subdevices[4]; |