diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/adl_pci8164.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/adl_pci8164.c | 512 |
1 files changed, 512 insertions, 0 deletions
diff --git a/drivers/staging/comedi/drivers/adl_pci8164.c b/drivers/staging/comedi/drivers/adl_pci8164.c new file mode 100644 index 000000000000..adf90be79983 --- /dev/null +++ b/drivers/staging/comedi/drivers/adl_pci8164.c @@ -0,0 +1,512 @@ +/* + comedi/drivers/adl_pci8164.c + + Hardware comedi driver fot PCI-8164 Adlink card + Copyright (C) 2004 Michel Lachine <mike@mikelachaine.ca> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ +/* +Driver: adl_pci8164 +Description: Driver for the Adlink PCI-8164 4 Axes Motion Control board +Devices: [ADLink] PCI-8164 (adl_pci8164) +Author: Michel Lachaine <mike@mikelachaine.ca> +Status: experimental +Updated: Mon, 14 Apr 2008 15:10:32 +0100 + +Configuration Options: + [0] - PCI bus of device (optional) + [1] - PCI slot of device (optional) + If bus/slot is not specified, the first supported + PCI device found will be used. +*/ + +#include "../comedidev.h" +#include <linux/delay.h> +#include "comedi_fc.h" +#include "comedi_pci.h" +#include "8253.h" + +#define PCI8164_AXIS_X 0x00 +#define PCI8164_AXIS_Y 0x08 +#define PCI8164_AXIS_Z 0x10 +#define PCI8164_AXIS_U 0x18 + +#define PCI8164_MSTS 0x00 +#define PCI8164_SSTS 0x02 +#define PCI8164_BUF0 0x04 +#define PCI8164_BUF1 0x06 + +#define PCI8164_CMD 0x00 +#define PCI8164_OTP 0x02 + +#define PCI_DEVICE_ID_PCI8164 0x8164 + +static DEFINE_PCI_DEVICE_TABLE(adl_pci8164_pci_table) = { + {PCI_VENDOR_ID_ADLINK, PCI_DEVICE_ID_PCI8164, PCI_ANY_ID, PCI_ANY_ID, 0, + 0, 0}, + {0} +}; + +MODULE_DEVICE_TABLE(pci, adl_pci8164_pci_table); + +struct adl_pci8164_private { + int data; + struct pci_dev *pci_dev; +}; + +#define devpriv ((struct adl_pci8164_private *)dev->private) + +static int adl_pci8164_attach(struct comedi_device * dev, struct comedi_devconfig * it); +static int adl_pci8164_detach(struct comedi_device * dev); +static struct comedi_driver driver_adl_pci8164 = { + driver_name:"adl_pci8164", + module:THIS_MODULE, + attach:adl_pci8164_attach, + detach:adl_pci8164_detach, +}; + +static int adl_pci8164_insn_read_msts(struct comedi_device * dev, struct comedi_subdevice * s, + struct comedi_insn * insn, unsigned int * data); + +static int adl_pci8164_insn_read_ssts(struct comedi_device * dev, struct comedi_subdevice * s, + struct comedi_insn * insn, unsigned int * data); + +static int adl_pci8164_insn_read_buf0(struct comedi_device * dev, struct comedi_subdevice * s, + struct comedi_insn * insn, unsigned int * data); + +static int adl_pci8164_insn_read_buf1(struct comedi_device * dev, struct comedi_subdevice * s, + struct comedi_insn * insn, unsigned int * data); + +static int adl_pci8164_insn_write_cmd(struct comedi_device * dev, struct comedi_subdevice * s, + struct comedi_insn * insn, unsigned int * data); + +static int adl_pci8164_insn_write_otp(struct comedi_device * dev, struct comedi_subdevice * s, + struct comedi_insn * insn, unsigned int * data); + +static int adl_pci8164_insn_write_buf0(struct comedi_device * dev, + struct comedi_subdevice * s, struct comedi_insn * insn, unsigned int * data); + +static int adl_pci8164_insn_write_buf1(struct comedi_device * dev, + struct comedi_subdevice * s, struct comedi_insn * insn, unsigned int * data); + +static int adl_pci8164_attach(struct comedi_device * dev, struct comedi_devconfig * it) +{ + struct pci_dev *pcidev; + struct comedi_subdevice *s; + int bus, slot; + + printk("comedi: attempt to attach...\n"); + printk("comedi%d: adl_pci8164\n", dev->minor); + + dev->board_name = "pci8164"; + bus = it->options[0]; + slot = it->options[1]; + + if (alloc_private(dev, sizeof(struct adl_pci8164_private)) < 0) + return -ENOMEM; + + if (alloc_subdevices(dev, 4) < 0) + return -ENOMEM; + + 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)) { + + if (pcidev->vendor == PCI_VENDOR_ID_ADLINK && + pcidev->device == PCI_DEVICE_ID_PCI8164) { + if (bus || slot) { + /* requested particular bus/slot */ + if (pcidev->bus->number != bus + || PCI_SLOT(pcidev->devfn) != slot) { + continue; + } + } + devpriv->pci_dev = pcidev; + if (comedi_pci_enable(pcidev, "adl_pci8164") < 0) { + printk("comedi%d: Failed to enable PCI device and request regions\n", dev->minor); + return -EIO; + } + dev->iobase = pci_resource_start(pcidev, 2); + printk("comedi: base addr %4lx\n", dev->iobase); + + s = dev->subdevices + 0; + s->type = COMEDI_SUBD_PROC; + s->subdev_flags = SDF_READABLE | SDF_WRITABLE; + s->n_chan = 4; + s->maxdata = 0xffff; + s->len_chanlist = 4; + //s->range_table = &range_axis; + s->insn_read = adl_pci8164_insn_read_msts; + s->insn_write = adl_pci8164_insn_write_cmd; + + s = dev->subdevices + 1; + s->type = COMEDI_SUBD_PROC; + s->subdev_flags = SDF_READABLE | SDF_WRITABLE; + s->n_chan = 4; + s->maxdata = 0xffff; + s->len_chanlist = 4; + //s->range_table = &range_axis; + s->insn_read = adl_pci8164_insn_read_ssts; + s->insn_write = adl_pci8164_insn_write_otp; + + s = dev->subdevices + 2; + s->type = COMEDI_SUBD_PROC; + s->subdev_flags = SDF_READABLE | SDF_WRITABLE; + s->n_chan = 4; + s->maxdata = 0xffff; + s->len_chanlist = 4; + //s->range_table = &range_axis; + s->insn_read = adl_pci8164_insn_read_buf0; + s->insn_write = adl_pci8164_insn_write_buf0; + + s = dev->subdevices + 3; + s->type = COMEDI_SUBD_PROC; + s->subdev_flags = SDF_READABLE | SDF_WRITABLE; + s->n_chan = 4; + s->maxdata = 0xffff; + s->len_chanlist = 4; + //s->range_table = &range_axis; + s->insn_read = adl_pci8164_insn_read_buf1; + s->insn_write = adl_pci8164_insn_write_buf1; + + printk("comedi: attached\n"); + + return 1; + } + } + + printk("comedi%d: no supported board found! (req. bus/slot : %d/%d)\n", + dev->minor, bus, slot); + return -EIO; +} + +static int adl_pci8164_detach(struct comedi_device * dev) +{ + printk("comedi%d: pci8164: remove\n", dev->minor); + + if (devpriv && devpriv->pci_dev) { + if (dev->iobase) { + comedi_pci_disable(devpriv->pci_dev); + } + pci_dev_put(devpriv->pci_dev); + } + + return 0; +} + +static int adl_pci8164_insn_read_msts(struct comedi_device * dev, struct comedi_subdevice * s, + struct comedi_insn * insn, unsigned int * data) +{ + int axis, axis_reg; + char *axisname; + + axis = CR_CHAN(insn->chanspec); + + switch (axis) { + case 0: + axis_reg = PCI8164_AXIS_X; + axisname = "X"; + break; + case 1: + axis_reg = PCI8164_AXIS_Y; + axisname = "Y"; + break; + case 2: + axis_reg = PCI8164_AXIS_Z; + axisname = "Z"; + break; + case 3: + axis_reg = PCI8164_AXIS_U; + axisname = "U"; + break; + default: + axis_reg = PCI8164_AXIS_X; + axisname = "X"; + } + + data[0] = inw(dev->iobase + axis_reg + PCI8164_MSTS); + printk("comedi: pci8164 MSTS read -> %04X:%04X on axis %s\n", data[0], + data[1], axisname); + + return 2; +} + +static int adl_pci8164_insn_read_ssts(struct comedi_device * dev, struct comedi_subdevice * s, + struct comedi_insn * insn, unsigned int * data) +{ + int axis, axis_reg; + char *axisname; + + axis = CR_CHAN(insn->chanspec); + + switch (axis) { + case 0: + axis_reg = PCI8164_AXIS_X; + axisname = "X"; + break; + case 1: + axis_reg = PCI8164_AXIS_Y; + axisname = "Y"; + break; + case 2: + axis_reg = PCI8164_AXIS_Z; + axisname = "Z"; + break; + case 3: + axis_reg = PCI8164_AXIS_U; + axisname = "U"; + break; + default: + axis_reg = PCI8164_AXIS_X; + axisname = "X"; + } + + data[0] = inw(dev->iobase + axis_reg + PCI8164_SSTS); + printk("comedi: pci8164 SSTS read -> %04X:%04X on axis %s\n", data[0], + data[1], axisname); + + return 2; +} + +static int adl_pci8164_insn_read_buf0(struct comedi_device * dev, struct comedi_subdevice * s, + struct comedi_insn * insn, unsigned int * data) +{ + int axis, axis_reg; + char *axisname; + + axis = CR_CHAN(insn->chanspec); + + switch (axis) { + case 0: + axis_reg = PCI8164_AXIS_X; + axisname = "X"; + break; + case 1: + axis_reg = PCI8164_AXIS_Y; + axisname = "Y"; + break; + case 2: + axis_reg = PCI8164_AXIS_Z; + axisname = "Z"; + break; + case 3: + axis_reg = PCI8164_AXIS_U; + axisname = "U"; + break; + default: + axis_reg = PCI8164_AXIS_X; + axisname = "X"; + } + + data[0] = inw(dev->iobase + axis_reg + PCI8164_BUF0); + printk("comedi: pci8164 BUF0 read -> %04X:%04X on axis %s\n", data[0], + data[1], axisname); + + return 2; +} + +static int adl_pci8164_insn_read_buf1(struct comedi_device * dev, struct comedi_subdevice * s, + struct comedi_insn * insn, unsigned int * data) +{ + int axis, axis_reg; + + char *axisname; + + axis = CR_CHAN(insn->chanspec); + + switch (axis) { + case 0: + axis_reg = PCI8164_AXIS_X; + axisname = "X"; + break; + case 1: + axis_reg = PCI8164_AXIS_Y; + axisname = "Y"; + break; + case 2: + axis_reg = PCI8164_AXIS_Z; + axisname = "Z"; + break; + case 3: + axis_reg = PCI8164_AXIS_U; + axisname = "U"; + break; + default: + axis_reg = PCI8164_AXIS_X; + axisname = "X"; + } + + data[0] = inw(dev->iobase + axis_reg + PCI8164_BUF1); + printk("comedi: pci8164 BUF1 read -> %04X:%04X on axis %s\n", data[0], + data[1], axisname); + + return 2; +} + +static int adl_pci8164_insn_write_cmd(struct comedi_device * dev, struct comedi_subdevice * s, + struct comedi_insn * insn, unsigned int * data) +{ + unsigned int axis, axis_reg; + + char *axisname; + + axis = CR_CHAN(insn->chanspec); + + switch (axis) { + case 0: + axis_reg = PCI8164_AXIS_X; + axisname = "X"; + break; + case 1: + axis_reg = PCI8164_AXIS_Y; + axisname = "Y"; + break; + case 2: + axis_reg = PCI8164_AXIS_Z; + axisname = "Z"; + break; + case 3: + axis_reg = PCI8164_AXIS_U; + axisname = "U"; + break; + default: + axis_reg = PCI8164_AXIS_X; + axisname = "X"; + } + + outw(data[0], dev->iobase + axis_reg + PCI8164_CMD); + printk("comedi: pci8164 CMD write -> %04X:%04X on axis %s\n", data[0], + data[1], axisname); + + return 2; +} + +static int adl_pci8164_insn_write_otp(struct comedi_device * dev, struct comedi_subdevice * s, + struct comedi_insn * insn, unsigned int * data) +{ + int axis, axis_reg; + + char *axisname; + + axis = CR_CHAN(insn->chanspec); + + switch (axis) { + case 0: + axis_reg = PCI8164_AXIS_X; + axisname = "X"; + break; + case 1: + axis_reg = PCI8164_AXIS_Y; + axisname = "Y"; + break; + case 2: + axis_reg = PCI8164_AXIS_Z; + axisname = "Z"; + break; + case 3: + axis_reg = PCI8164_AXIS_U; + axisname = "U"; + break; + default: + axis_reg = PCI8164_AXIS_X; + axisname = "X"; + } + + outw(data[0], dev->iobase + axis_reg + PCI8164_OTP); + printk("comedi: pci8164 OTP write -> %04X:%04X on axis %s\n", data[0], + data[1], axisname); + + return 2; +} + +static int adl_pci8164_insn_write_buf0(struct comedi_device * dev, + struct comedi_subdevice * s, struct comedi_insn * insn, unsigned int * data) +{ + int axis, axis_reg; + + char *axisname; + + axis = CR_CHAN(insn->chanspec); + + switch (axis) { + case 0: + axis_reg = PCI8164_AXIS_X; + axisname = "X"; + break; + case 1: + axis_reg = PCI8164_AXIS_Y; + axisname = "Y"; + break; + case 2: + axis_reg = PCI8164_AXIS_Z; + axisname = "Z"; + break; + case 3: + axis_reg = PCI8164_AXIS_U; + axisname = "U"; + break; + default: + axis_reg = PCI8164_AXIS_X; + axisname = "X"; + } + + outw(data[0], dev->iobase + axis_reg + PCI8164_BUF0); + printk("comedi: pci8164 BUF0 write -> %04X:%04X on axis %s\n", data[0], + data[1], axisname); + + return 2; +} + +static int adl_pci8164_insn_write_buf1(struct comedi_device * dev, + struct comedi_subdevice * s, struct comedi_insn * insn, unsigned int * data) +{ + int axis, axis_reg; + + char *axisname; + + axis = CR_CHAN(insn->chanspec); + + switch (axis) { + case 0: + axis_reg = PCI8164_AXIS_X; + axisname = "X"; + break; + case 1: + axis_reg = PCI8164_AXIS_Y; + axisname = "Y"; + break; + case 2: + axis_reg = PCI8164_AXIS_Z; + axisname = "Z"; + break; + case 3: + axis_reg = PCI8164_AXIS_U; + axisname = "U"; + break; + default: + axis_reg = PCI8164_AXIS_X; + axisname = "X"; + } + + outw(data[0], dev->iobase + axis_reg + PCI8164_BUF1); + printk("comedi: pci8164 BUF1 write -> %04X:%04X on axis %s\n", data[0], + data[1], axisname); + + return 2; +} + +COMEDI_PCI_INITCLEANUP(driver_adl_pci8164, adl_pci8164_pci_table); |