diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/adv_pci_dio.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/adv_pci_dio.c | 801 |
1 files changed, 0 insertions, 801 deletions
diff --git a/drivers/staging/comedi/drivers/adv_pci_dio.c b/drivers/staging/comedi/drivers/adv_pci_dio.c deleted file mode 100644 index 54c7419c8ca6..000000000000 --- a/drivers/staging/comedi/drivers/adv_pci_dio.c +++ /dev/null @@ -1,801 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * comedi/drivers/adv_pci_dio.c - * - * Author: Michal Dobes <dobes@tesnet.cz> - * - * Hardware driver for Advantech PCI DIO cards. - */ - -/* - * Driver: adv_pci_dio - * Description: Advantech Digital I/O Cards - * Devices: [Advantech] PCI-1730 (adv_pci_dio), PCI-1733, - * PCI-1734, PCI-1735U, PCI-1736UP, PCI-1739U, PCI-1750, - * PCI-1751, PCI-1752, PCI-1753, PCI-1753+PCI-1753E, - * PCI-1754, PCI-1756, PCI-1761, PCI-1762 - * Author: Michal Dobes <dobes@tesnet.cz> - * Updated: Fri, 25 Aug 2017 07:23:06 +0300 - * Status: untested - * - * Configuration Options: not applicable, uses PCI auto config - */ - -#include <linux/module.h> -#include <linux/delay.h> - -#include "../comedi_pci.h" - -#include "8255.h" -#include "comedi_8254.h" - -/* - * Register offset definitions - */ - -/* PCI-1730, PCI-1733, PCI-1736 interrupt control registers */ -#define PCI173X_INT_EN_REG 0x0008 /* R/W: enable/disable */ -#define PCI173X_INT_RF_REG 0x000c /* R/W: falling/rising edge */ -#define PCI173X_INT_FLAG_REG 0x0010 /* R: status */ -#define PCI173X_INT_CLR_REG 0x0010 /* W: clear */ - -#define PCI173X_INT_IDI0 0x01 /* IDI0 edge occurred */ -#define PCI173X_INT_IDI1 0x02 /* IDI1 edge occurred */ -#define PCI173X_INT_DI0 0x04 /* DI0 edge occurred */ -#define PCI173X_INT_DI1 0x08 /* DI1 edge occurred */ - -/* PCI-1739U, PCI-1750, PCI1751 interrupt control registers */ -#define PCI1750_INT_REG 0x20 /* R/W: status/control */ - -/* PCI-1753, PCI-1753E interrupt control registers */ -#define PCI1753_INT_REG(x) (0x10 + (x)) /* R/W: control group 0 to 3 */ -#define PCI1753E_INT_REG(x) (0x30 + (x)) /* R/W: control group 0 to 3 */ - -/* PCI-1754, PCI-1756 interrupt control registers */ -#define PCI1754_INT_REG(x) (0x08 + (x) * 2) /* R/W: control group 0 to 3 */ - -/* PCI-1752, PCI-1756 special registers */ -#define PCI1752_CFC_REG 0x12 /* R/W: channel freeze function */ - -/* PCI-1761 interrupt control registers */ -#define PCI1761_INT_EN_REG 0x03 /* R/W: enable/disable interrupts */ -#define PCI1761_INT_RF_REG 0x04 /* R/W: falling/rising edge */ -#define PCI1761_INT_CLR_REG 0x05 /* R/W: clear interrupts */ - -/* PCI-1762 interrupt control registers */ -#define PCI1762_INT_REG 0x06 /* R/W: status/control */ - -/* maximum number of subdevice descriptions in the boardinfo */ -#define PCI_DIO_MAX_DI_SUBDEVS 2 /* 2 x 8/16/32 input channels max */ -#define PCI_DIO_MAX_DO_SUBDEVS 2 /* 2 x 8/16/32 output channels max */ -#define PCI_DIO_MAX_DIO_SUBDEVG 2 /* 2 x any number of 8255 devices max */ -#define PCI_DIO_MAX_IRQ_SUBDEVS 4 /* 4 x 1 input IRQ channels max */ - -enum pci_dio_boardid { - TYPE_PCI1730, - TYPE_PCI1733, - TYPE_PCI1734, - TYPE_PCI1735, - TYPE_PCI1736, - TYPE_PCI1739, - TYPE_PCI1750, - TYPE_PCI1751, - TYPE_PCI1752, - TYPE_PCI1753, - TYPE_PCI1753E, - TYPE_PCI1754, - TYPE_PCI1756, - TYPE_PCI1761, - TYPE_PCI1762 -}; - -struct diosubd_data { - int chans; /* num of chans or 8255 devices */ - unsigned long addr; /* PCI address offset */ -}; - -struct dio_irq_subd_data { - unsigned short int_en; /* interrupt enable/status bit */ - unsigned long addr; /* PCI address offset */ -}; - -struct dio_boardtype { - const char *name; /* board name */ - int nsubdevs; - struct diosubd_data sdi[PCI_DIO_MAX_DI_SUBDEVS]; - struct diosubd_data sdo[PCI_DIO_MAX_DO_SUBDEVS]; - struct diosubd_data sdio[PCI_DIO_MAX_DIO_SUBDEVG]; - struct dio_irq_subd_data sdirq[PCI_DIO_MAX_IRQ_SUBDEVS]; - unsigned long id_reg; - unsigned long timer_regbase; - unsigned int is_16bit:1; -}; - -static const struct dio_boardtype boardtypes[] = { - [TYPE_PCI1730] = { - .name = "pci1730", - /* DI, IDI, DO, IDO, ID, IRQ_DI0, IRQ_DI1, IRQ_IDI0, IRQ_IDI1 */ - .nsubdevs = 9, - .sdi[0] = { 16, 0x02, }, /* DI 0-15 */ - .sdi[1] = { 16, 0x00, }, /* ISO DI 0-15 */ - .sdo[0] = { 16, 0x02, }, /* DO 0-15 */ - .sdo[1] = { 16, 0x00, }, /* ISO DO 0-15 */ - .id_reg = 0x04, - .sdirq[0] = { PCI173X_INT_DI0, 0x02, }, /* DI 0 */ - .sdirq[1] = { PCI173X_INT_DI1, 0x02, }, /* DI 1 */ - .sdirq[2] = { PCI173X_INT_IDI0, 0x00, }, /* ISO DI 0 */ - .sdirq[3] = { PCI173X_INT_IDI1, 0x00, }, /* ISO DI 1 */ - }, - [TYPE_PCI1733] = { - .name = "pci1733", - .nsubdevs = 2, - .sdi[1] = { 32, 0x00, }, /* ISO DI 0-31 */ - .id_reg = 0x04, - }, - [TYPE_PCI1734] = { - .name = "pci1734", - .nsubdevs = 2, - .sdo[1] = { 32, 0x00, }, /* ISO DO 0-31 */ - .id_reg = 0x04, - }, - [TYPE_PCI1735] = { - .name = "pci1735", - .nsubdevs = 4, - .sdi[0] = { 32, 0x00, }, /* DI 0-31 */ - .sdo[0] = { 32, 0x00, }, /* DO 0-31 */ - .id_reg = 0x08, - .timer_regbase = 0x04, - }, - [TYPE_PCI1736] = { - .name = "pci1736", - .nsubdevs = 3, - .sdi[1] = { 16, 0x00, }, /* ISO DI 0-15 */ - .sdo[1] = { 16, 0x00, }, /* ISO DO 0-15 */ - .id_reg = 0x04, - }, - [TYPE_PCI1739] = { - .name = "pci1739", - .nsubdevs = 3, - .sdio[0] = { 2, 0x00, }, /* 8255 DIO */ - .id_reg = 0x08, - }, - [TYPE_PCI1750] = { - .name = "pci1750", - .nsubdevs = 2, - .sdi[1] = { 16, 0x00, }, /* ISO DI 0-15 */ - .sdo[1] = { 16, 0x00, }, /* ISO DO 0-15 */ - }, - [TYPE_PCI1751] = { - .name = "pci1751", - .nsubdevs = 3, - .sdio[0] = { 2, 0x00, }, /* 8255 DIO */ - .timer_regbase = 0x18, - }, - [TYPE_PCI1752] = { - .name = "pci1752", - .nsubdevs = 3, - .sdo[0] = { 32, 0x00, }, /* DO 0-31 */ - .sdo[1] = { 32, 0x04, }, /* DO 32-63 */ - .id_reg = 0x10, - .is_16bit = 1, - }, - [TYPE_PCI1753] = { - .name = "pci1753", - .nsubdevs = 4, - .sdio[0] = { 4, 0x00, }, /* 8255 DIO */ - }, - [TYPE_PCI1753E] = { - .name = "pci1753e", - .nsubdevs = 8, - .sdio[0] = { 4, 0x00, }, /* 8255 DIO */ - .sdio[1] = { 4, 0x20, }, /* 8255 DIO */ - }, - [TYPE_PCI1754] = { - .name = "pci1754", - .nsubdevs = 3, - .sdi[0] = { 32, 0x00, }, /* DI 0-31 */ - .sdi[1] = { 32, 0x04, }, /* DI 32-63 */ - .id_reg = 0x10, - .is_16bit = 1, - }, - [TYPE_PCI1756] = { - .name = "pci1756", - .nsubdevs = 3, - .sdi[1] = { 32, 0x00, }, /* DI 0-31 */ - .sdo[1] = { 32, 0x04, }, /* DO 0-31 */ - .id_reg = 0x10, - .is_16bit = 1, - }, - [TYPE_PCI1761] = { - .name = "pci1761", - .nsubdevs = 3, - .sdi[1] = { 8, 0x01 }, /* ISO DI 0-7 */ - .sdo[1] = { 8, 0x00 }, /* RELAY DO 0-7 */ - .id_reg = 0x02, - }, - [TYPE_PCI1762] = { - .name = "pci1762", - .nsubdevs = 3, - .sdi[1] = { 16, 0x02, }, /* ISO DI 0-15 */ - .sdo[1] = { 16, 0x00, }, /* ISO DO 0-15 */ - .id_reg = 0x04, - .is_16bit = 1, - }, -}; - -struct pci_dio_dev_private_data { - int boardtype; - int irq_subd; - unsigned short int_ctrl; - unsigned short int_rf; -}; - -struct pci_dio_sd_private_data { - spinlock_t subd_slock; /* spin-lock for cmd_running */ - unsigned long port_offset; - short int cmd_running; -}; - -static void process_irq(struct comedi_device *dev, unsigned int subdev, - unsigned char irqflags) -{ - struct comedi_subdevice *s = &dev->subdevices[subdev]; - struct pci_dio_sd_private_data *sd_priv = s->private; - unsigned long reg = sd_priv->port_offset; - struct comedi_async *async_p = s->async; - - if (async_p) { - unsigned short val = inw(dev->iobase + reg); - - spin_lock(&sd_priv->subd_slock); - if (sd_priv->cmd_running) - comedi_buf_write_samples(s, &val, 1); - spin_unlock(&sd_priv->subd_slock); - comedi_handle_events(dev, s); - } -} - -static irqreturn_t pci_dio_interrupt(int irq, void *p_device) -{ - struct comedi_device *dev = p_device; - struct pci_dio_dev_private_data *dev_private = dev->private; - const struct dio_boardtype *board = dev->board_ptr; - unsigned long cpu_flags; - unsigned char irqflags; - int i; - - if (!dev->attached) { - /* Ignore interrupt before device fully attached. */ - /* Might not even have allocated subdevices yet! */ - return IRQ_NONE; - } - - /* Check if we are source of interrupt */ - spin_lock_irqsave(&dev->spinlock, cpu_flags); - irqflags = inb(dev->iobase + PCI173X_INT_FLAG_REG); - if (!(irqflags & 0x0F)) { - spin_unlock_irqrestore(&dev->spinlock, cpu_flags); - return IRQ_NONE; - } - - /* clear all current interrupt flags */ - outb(irqflags, dev->iobase + PCI173X_INT_CLR_REG); - spin_unlock_irqrestore(&dev->spinlock, cpu_flags); - - /* check irq subdevice triggers */ - for (i = 0; i < PCI_DIO_MAX_IRQ_SUBDEVS; i++) { - if (irqflags & board->sdirq[i].int_en) - process_irq(dev, dev_private->irq_subd + i, irqflags); - } - - return IRQ_HANDLED; -} - -static int pci_dio_asy_cmdtest(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_cmd *cmd) -{ - int err = 0; - - /* Step 1 : check if triggers are trivially valid */ - - err |= comedi_check_trigger_src(&cmd->start_src, TRIG_NOW); - err |= comedi_check_trigger_src(&cmd->scan_begin_src, TRIG_EXT); - err |= comedi_check_trigger_src(&cmd->convert_src, TRIG_FOLLOW); - err |= comedi_check_trigger_src(&cmd->scan_end_src, TRIG_COUNT); - err |= comedi_check_trigger_src(&cmd->stop_src, TRIG_NONE); - - if (err) - return 1; - - /* Step 2a : make sure trigger sources are unique */ - /* Step 2b : and mutually compatible */ - - /* Step 3: check if arguments are trivially valid */ - - err |= comedi_check_trigger_arg_is(&cmd->start_arg, 0); - /* - * For scan_begin_arg, the trigger number must be 0 and the only - * allowed flags are CR_EDGE and CR_INVERT. CR_EDGE is ignored, - * CR_INVERT sets the trigger to falling edge. - */ - if (cmd->scan_begin_arg & ~(CR_EDGE | CR_INVERT)) { - cmd->scan_begin_arg &= (CR_EDGE | CR_INVERT); - err |= -EINVAL; - } - err |= comedi_check_trigger_arg_is(&cmd->convert_arg, 0); - err |= comedi_check_trigger_arg_is(&cmd->scan_end_arg, - cmd->chanlist_len); - err |= comedi_check_trigger_arg_is(&cmd->stop_arg, 0); - - if (err) - return 3; - - /* Step 4: fix up any arguments */ - - /* Step 5: check channel list if it exists */ - - return 0; -} - -static int pci_dio_asy_cmd(struct comedi_device *dev, - struct comedi_subdevice *s) -{ - struct pci_dio_dev_private_data *dev_private = dev->private; - struct pci_dio_sd_private_data *sd_priv = s->private; - const struct dio_boardtype *board = dev->board_ptr; - struct comedi_cmd *cmd = &s->async->cmd; - unsigned long cpu_flags; - unsigned short int_en; - - int_en = board->sdirq[s->index - dev_private->irq_subd].int_en; - - spin_lock_irqsave(&dev->spinlock, cpu_flags); - if (cmd->scan_begin_arg & CR_INVERT) - dev_private->int_rf |= int_en; /* falling edge */ - else - dev_private->int_rf &= ~int_en; /* rising edge */ - outb(dev_private->int_rf, dev->iobase + PCI173X_INT_RF_REG); - dev_private->int_ctrl |= int_en; /* enable interrupt source */ - outb(dev_private->int_ctrl, dev->iobase + PCI173X_INT_EN_REG); - spin_unlock_irqrestore(&dev->spinlock, cpu_flags); - - spin_lock_irqsave(&sd_priv->subd_slock, cpu_flags); - sd_priv->cmd_running = 1; - spin_unlock_irqrestore(&sd_priv->subd_slock, cpu_flags); - - return 0; -} - -static int pci_dio_asy_cancel(struct comedi_device *dev, - struct comedi_subdevice *s) -{ - struct pci_dio_dev_private_data *dev_private = dev->private; - struct pci_dio_sd_private_data *sd_priv = s->private; - const struct dio_boardtype *board = dev->board_ptr; - unsigned long cpu_flags; - unsigned short int_en; - - spin_lock_irqsave(&sd_priv->subd_slock, cpu_flags); - sd_priv->cmd_running = 0; - spin_unlock_irqrestore(&sd_priv->subd_slock, cpu_flags); - - int_en = board->sdirq[s->index - dev_private->irq_subd].int_en; - - spin_lock_irqsave(&dev->spinlock, cpu_flags); - dev_private->int_ctrl &= ~int_en; - outb(dev_private->int_ctrl, dev->iobase + PCI173X_INT_EN_REG); - spin_unlock_irqrestore(&dev->spinlock, cpu_flags); - - return 0; -} - -/* same as _insn_bits_di_ because the IRQ-pins are the DI-ports */ -static int pci_dio_insn_bits_dirq_b(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - struct pci_dio_sd_private_data *sd_priv = s->private; - unsigned long reg = (unsigned long)sd_priv->port_offset; - unsigned long iobase = dev->iobase + reg; - - data[1] = inb(iobase); - - return insn->n; -} - -static int pci_dio_insn_bits_di_b(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - unsigned long reg = (unsigned long)s->private; - unsigned long iobase = dev->iobase + reg; - - data[1] = inb(iobase); - if (s->n_chan > 8) - data[1] |= (inb(iobase + 1) << 8); - if (s->n_chan > 16) - data[1] |= (inb(iobase + 2) << 16); - if (s->n_chan > 24) - data[1] |= (inb(iobase + 3) << 24); - - return insn->n; -} - -static int pci_dio_insn_bits_di_w(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - unsigned long reg = (unsigned long)s->private; - unsigned long iobase = dev->iobase + reg; - - data[1] = inw(iobase); - if (s->n_chan > 16) - data[1] |= (inw(iobase + 2) << 16); - - return insn->n; -} - -static int pci_dio_insn_bits_do_b(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - unsigned long reg = (unsigned long)s->private; - unsigned long iobase = dev->iobase + reg; - - if (comedi_dio_update_state(s, data)) { - outb(s->state & 0xff, iobase); - if (s->n_chan > 8) - outb((s->state >> 8) & 0xff, iobase + 1); - if (s->n_chan > 16) - outb((s->state >> 16) & 0xff, iobase + 2); - if (s->n_chan > 24) - outb((s->state >> 24) & 0xff, iobase + 3); - } - - data[1] = s->state; - - return insn->n; -} - -static int pci_dio_insn_bits_do_w(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - unsigned long reg = (unsigned long)s->private; - unsigned long iobase = dev->iobase + reg; - - if (comedi_dio_update_state(s, data)) { - outw(s->state & 0xffff, iobase); - if (s->n_chan > 16) - outw((s->state >> 16) & 0xffff, iobase + 2); - } - - data[1] = s->state; - - return insn->n; -} - -static int pci_dio_reset(struct comedi_device *dev, unsigned long cardtype) -{ - struct pci_dio_dev_private_data *dev_private = dev->private; - /* disable channel freeze function on the PCI-1752/1756 boards */ - if (cardtype == TYPE_PCI1752 || cardtype == TYPE_PCI1756) - outw(0, dev->iobase + PCI1752_CFC_REG); - - /* disable and clear interrupts */ - switch (cardtype) { - case TYPE_PCI1730: - case TYPE_PCI1733: - case TYPE_PCI1736: - dev_private->int_ctrl = 0x00; - outb(dev_private->int_ctrl, dev->iobase + PCI173X_INT_EN_REG); - /* Reset all 4 Int Flags */ - outb(0x0f, dev->iobase + PCI173X_INT_CLR_REG); - /* Rising Edge => IRQ . On all 4 Pins */ - dev_private->int_rf = 0x00; - outb(dev_private->int_rf, dev->iobase + PCI173X_INT_RF_REG); - break; - case TYPE_PCI1739: - case TYPE_PCI1750: - case TYPE_PCI1751: - outb(0x88, dev->iobase + PCI1750_INT_REG); - break; - case TYPE_PCI1753: - case TYPE_PCI1753E: - outb(0x88, dev->iobase + PCI1753_INT_REG(0)); - outb(0x80, dev->iobase + PCI1753_INT_REG(1)); - outb(0x80, dev->iobase + PCI1753_INT_REG(2)); - outb(0x80, dev->iobase + PCI1753_INT_REG(3)); - if (cardtype == TYPE_PCI1753E) { - outb(0x88, dev->iobase + PCI1753E_INT_REG(0)); - outb(0x80, dev->iobase + PCI1753E_INT_REG(1)); - outb(0x80, dev->iobase + PCI1753E_INT_REG(2)); - outb(0x80, dev->iobase + PCI1753E_INT_REG(3)); - } - break; - case TYPE_PCI1754: - case TYPE_PCI1756: - outw(0x08, dev->iobase + PCI1754_INT_REG(0)); - outw(0x08, dev->iobase + PCI1754_INT_REG(1)); - if (cardtype == TYPE_PCI1754) { - outw(0x08, dev->iobase + PCI1754_INT_REG(2)); - outw(0x08, dev->iobase + PCI1754_INT_REG(3)); - } - break; - case TYPE_PCI1761: - /* disable interrupts */ - outb(0, dev->iobase + PCI1761_INT_EN_REG); - /* clear interrupts */ - outb(0xff, dev->iobase + PCI1761_INT_CLR_REG); - /* set rising edge trigger */ - outb(0, dev->iobase + PCI1761_INT_RF_REG); - break; - case TYPE_PCI1762: - outw(0x0101, dev->iobase + PCI1762_INT_REG); - break; - default: - break; - } - - return 0; -} - -static int pci_dio_auto_attach(struct comedi_device *dev, - unsigned long context) -{ - struct pci_dev *pcidev = comedi_to_pci_dev(dev); - const struct dio_boardtype *board = NULL; - struct comedi_subdevice *s; - struct pci_dio_dev_private_data *dev_private; - int ret, subdev, i, j; - - if (context < ARRAY_SIZE(boardtypes)) - board = &boardtypes[context]; - if (!board) - return -ENODEV; - dev->board_ptr = board; - dev->board_name = board->name; - - dev_private = comedi_alloc_devpriv(dev, sizeof(*dev_private)); - if (!dev_private) - return -ENOMEM; - - ret = comedi_pci_enable(dev); - if (ret) - return ret; - if (context == TYPE_PCI1736) - dev->iobase = pci_resource_start(pcidev, 0); - else - dev->iobase = pci_resource_start(pcidev, 2); - - dev_private->boardtype = context; - pci_dio_reset(dev, context); - - /* request IRQ if device has irq subdevices */ - if (board->sdirq[0].int_en && pcidev->irq) { - ret = request_irq(pcidev->irq, pci_dio_interrupt, IRQF_SHARED, - dev->board_name, dev); - if (ret == 0) - dev->irq = pcidev->irq; - } - - ret = comedi_alloc_subdevices(dev, board->nsubdevs); - if (ret) - return ret; - - subdev = 0; - for (i = 0; i < PCI_DIO_MAX_DI_SUBDEVS; i++) { - const struct diosubd_data *d = &board->sdi[i]; - - if (d->chans) { - s = &dev->subdevices[subdev++]; - s->type = COMEDI_SUBD_DI; - s->subdev_flags = SDF_READABLE; - s->n_chan = d->chans; - s->maxdata = 1; - s->range_table = &range_digital; - s->insn_bits = board->is_16bit - ? pci_dio_insn_bits_di_w - : pci_dio_insn_bits_di_b; - s->private = (void *)d->addr; - } - } - - for (i = 0; i < PCI_DIO_MAX_DO_SUBDEVS; i++) { - const struct diosubd_data *d = &board->sdo[i]; - - if (d->chans) { - s = &dev->subdevices[subdev++]; - s->type = COMEDI_SUBD_DO; - s->subdev_flags = SDF_WRITABLE; - s->n_chan = d->chans; - s->maxdata = 1; - s->range_table = &range_digital; - s->insn_bits = board->is_16bit - ? pci_dio_insn_bits_do_w - : pci_dio_insn_bits_do_b; - s->private = (void *)d->addr; - - /* reset all outputs to 0 */ - if (board->is_16bit) { - outw(0, dev->iobase + d->addr); - if (s->n_chan > 16) - outw(0, dev->iobase + d->addr + 2); - } else { - outb(0, dev->iobase + d->addr); - if (s->n_chan > 8) - outb(0, dev->iobase + d->addr + 1); - if (s->n_chan > 16) - outb(0, dev->iobase + d->addr + 2); - if (s->n_chan > 24) - outb(0, dev->iobase + d->addr + 3); - } - } - } - - for (i = 0; i < PCI_DIO_MAX_DIO_SUBDEVG; i++) { - const struct diosubd_data *d = &board->sdio[i]; - - for (j = 0; j < d->chans; j++) { - s = &dev->subdevices[subdev++]; - ret = subdev_8255_init(dev, s, NULL, - d->addr + j * I8255_SIZE); - if (ret) - return ret; - } - } - - if (board->id_reg) { - s = &dev->subdevices[subdev++]; - s->type = COMEDI_SUBD_DI; - s->subdev_flags = SDF_READABLE | SDF_INTERNAL; - s->n_chan = 4; - s->maxdata = 1; - s->range_table = &range_digital; - s->insn_bits = board->is_16bit ? pci_dio_insn_bits_di_w - : pci_dio_insn_bits_di_b; - s->private = (void *)board->id_reg; - } - - if (board->timer_regbase) { - s = &dev->subdevices[subdev++]; - - dev->pacer = comedi_8254_init(dev->iobase + - board->timer_regbase, - 0, I8254_IO8, 0); - if (!dev->pacer) - return -ENOMEM; - - comedi_8254_subdevice_init(s, dev->pacer); - } - - dev_private->irq_subd = subdev; /* first interrupt subdevice index */ - for (i = 0; i < PCI_DIO_MAX_IRQ_SUBDEVS; ++i) { - struct pci_dio_sd_private_data *sd_priv = NULL; - const struct dio_irq_subd_data *d = &board->sdirq[i]; - - if (d->int_en) { - s = &dev->subdevices[subdev++]; - s->type = COMEDI_SUBD_DI; - s->subdev_flags = SDF_READABLE; - s->n_chan = 1; - s->maxdata = 1; - s->range_table = &range_digital; - s->insn_bits = pci_dio_insn_bits_dirq_b; - sd_priv = comedi_alloc_spriv(s, sizeof(*sd_priv)); - if (!sd_priv) - return -ENOMEM; - - spin_lock_init(&sd_priv->subd_slock); - sd_priv->port_offset = d->addr; - sd_priv->cmd_running = 0; - - if (dev->irq) { - dev->read_subdev = s; - s->type = COMEDI_SUBD_DI; - s->subdev_flags = SDF_READABLE | SDF_CMD_READ; - s->len_chanlist = 1; - s->do_cmdtest = pci_dio_asy_cmdtest; - s->do_cmd = pci_dio_asy_cmd; - s->cancel = pci_dio_asy_cancel; - } - } - } - - return 0; -} - -static void pci_dio_detach(struct comedi_device *dev) -{ - struct pci_dio_dev_private_data *dev_private = dev->private; - int boardtype = dev_private->boardtype; - - if (dev->iobase) - pci_dio_reset(dev, boardtype); - comedi_pci_detach(dev); -} - -static struct comedi_driver adv_pci_dio_driver = { - .driver_name = "adv_pci_dio", - .module = THIS_MODULE, - .auto_attach = pci_dio_auto_attach, - .detach = pci_dio_detach, -}; - -static unsigned long pci_dio_override_cardtype(struct pci_dev *pcidev, - unsigned long cardtype) -{ - /* - * Change cardtype from TYPE_PCI1753 to TYPE_PCI1753E if expansion - * board available. Need to enable PCI device and request the main - * registers PCI BAR temporarily to perform the test. - */ - if (cardtype != TYPE_PCI1753) - return cardtype; - if (pci_enable_device(pcidev) < 0) - return cardtype; - if (pci_request_region(pcidev, 2, "adv_pci_dio") == 0) { - /* - * This test is based on Advantech's "advdaq" driver source - * (which declares its module licence as "GPL" although the - * driver source does not include a "COPYING" file). - */ - unsigned long reg = pci_resource_start(pcidev, 2) + 53; - - outb(0x05, reg); - if ((inb(reg) & 0x07) == 0x02) { - outb(0x02, reg); - if ((inb(reg) & 0x07) == 0x05) - cardtype = TYPE_PCI1753E; - } - pci_release_region(pcidev, 2); - } - pci_disable_device(pcidev); - return cardtype; -} - -static int adv_pci_dio_pci_probe(struct pci_dev *dev, - const struct pci_device_id *id) -{ - unsigned long cardtype; - - cardtype = pci_dio_override_cardtype(dev, id->driver_data); - return comedi_pci_auto_config(dev, &adv_pci_dio_driver, cardtype); -} - -static const struct pci_device_id adv_pci_dio_pci_table[] = { - { PCI_VDEVICE(ADVANTECH, 0x1730), TYPE_PCI1730 }, - { PCI_VDEVICE(ADVANTECH, 0x1733), TYPE_PCI1733 }, - { PCI_VDEVICE(ADVANTECH, 0x1734), TYPE_PCI1734 }, - { PCI_VDEVICE(ADVANTECH, 0x1735), TYPE_PCI1735 }, - { PCI_VDEVICE(ADVANTECH, 0x1736), TYPE_PCI1736 }, - { PCI_VDEVICE(ADVANTECH, 0x1739), TYPE_PCI1739 }, - { PCI_VDEVICE(ADVANTECH, 0x1750), TYPE_PCI1750 }, - { PCI_VDEVICE(ADVANTECH, 0x1751), TYPE_PCI1751 }, - { PCI_VDEVICE(ADVANTECH, 0x1752), TYPE_PCI1752 }, - { PCI_VDEVICE(ADVANTECH, 0x1753), TYPE_PCI1753 }, - { PCI_VDEVICE(ADVANTECH, 0x1754), TYPE_PCI1754 }, - { PCI_VDEVICE(ADVANTECH, 0x1756), TYPE_PCI1756 }, - { PCI_VDEVICE(ADVANTECH, 0x1761), TYPE_PCI1761 }, - { PCI_VDEVICE(ADVANTECH, 0x1762), TYPE_PCI1762 }, - { 0 } -}; -MODULE_DEVICE_TABLE(pci, adv_pci_dio_pci_table); - -static struct pci_driver adv_pci_dio_pci_driver = { - .name = "adv_pci_dio", - .id_table = adv_pci_dio_pci_table, - .probe = adv_pci_dio_pci_probe, - .remove = comedi_pci_auto_unconfig, -}; -module_comedi_pci_driver(adv_pci_dio_driver, adv_pci_dio_pci_driver); - -MODULE_AUTHOR("Comedi https://www.comedi.org"); -MODULE_DESCRIPTION("Comedi driver for Advantech Digital I/O Cards"); -MODULE_LICENSE("GPL"); |