diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/mpc8260cpm.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/mpc8260cpm.c | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/drivers/staging/comedi/drivers/mpc8260cpm.c b/drivers/staging/comedi/drivers/mpc8260cpm.c deleted file mode 100644 index c0c33299b7f1..000000000000 --- a/drivers/staging/comedi/drivers/mpc8260cpm.c +++ /dev/null @@ -1,164 +0,0 @@ -/* - comedi/drivers/mpc8260.c - driver for digital I/O pins on the MPC 8260 CPM module - - COMEDI - Linux Control and Measurement Device Interface - Copyright (C) 2000,2001 David A. Schleef <ds@schleef.org> - - 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: mpc8260cpm -Description: MPC8260 CPM module generic digital I/O lines -Devices: [Motorola] MPC8260 CPM (mpc8260cpm) -Author: ds -Status: experimental -Updated: Sat, 16 Mar 2002 17:34:48 -0800 - -This driver is specific to the Motorola MPC8260 processor, allowing -you to access the processor's generic digital I/O lines. - -It is apparently missing some code. -*/ - -#include "../comedidev.h" - -extern unsigned long mpc8260_dio_reserved[4]; - -struct mpc8260cpm_private { - - int data; - -}; - -#define devpriv ((struct mpc8260cpm_private *)dev->private) - -static unsigned long *cpm_pdat(int port) -{ - switch (port) { - case 0: - return &io->iop_pdata; - case 1: - return &io->iop_pdatb; - case 2: - return &io->iop_pdatc; - case 3: - return &io->iop_pdatd; - } -} - -static int mpc8260cpm_dio_config(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) -{ - int n; - unsigned int d; - unsigned int mask; - int port; - - port = (int)s->private; - mask = 1 << CR_CHAN(insn->chanspec); - if (mask & cpm_reserved_bits[port]) { - return -EINVAL; - } - - switch (data[0]) { - case INSN_CONFIG_DIO_OUTPUT: - s->io_bits |= mask; - break; - case INSN_CONFIG_DIO_INPUT: - s->io_bits &= ~mask; - break; - case INSN_CONFIG_DIO_QUERY: - data[1] = (s->io_bits & mask) ? COMEDI_OUTPUT : COMEDI_INPUT; - return insn->n; - break; - default: - return -EINVAL; - } - - switch (port) { - case 0: - return &io->iop_pdira; - case 1: - return &io->iop_pdirb; - case 2: - return &io->iop_pdirc; - case 3: - return &io->iop_pdird; - } - - return 1; -} - -static int mpc8260cpm_dio_bits(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) -{ - int port; - unsigned long *p; - - p = cpm_pdat((int)s->private); - - return insn->n; -} - -static int mpc8260cpm_attach(struct comedi_device *dev, - struct comedi_devconfig *it) -{ - struct comedi_subdevice *s; - int i; - int ret; - - printk("comedi%d: mpc8260cpm: ", dev->minor); - - dev->board_ptr = mpc8260cpm_boards + dev->board; - - dev->board_name = thisboard->name; - - if (alloc_private(dev, sizeof(struct mpc8260cpm_private)) < 0) - return -ENOMEM; - - ret =comedi_alloc_subdevices(dev, 4); - if (ret) - return ret; - - for (i = 0; i < 4; i++) { - s = &dev->subdevices[i]; - s->type = COMEDI_SUBD_DIO; - s->subdev_flags = SDF_READABLE | SDF_WRITABLE; - s->n_chan = 32; - s->maxdata = 1; - s->range_table = &range_digital; - s->insn_config = mpc8260cpm_dio_config; - s->insn_bits = mpc8260cpm_dio_bits; - } - - return 1; -} - -static void mpc8260cpm_detach(struct comedi_device *dev) -{ - /* Nothing to cleanup */ -} - -static struct comedi_driver mpc8260cpm_driver = { - .driver_name = "mpc8260cpm", - .module = THIS_MODULE, - .attach = mpc8260cpm_attach, - .detach = mpc8260cpm_detach, -}; -module_comedi_driver(mpc8260cpm_driver); |