diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/amplc_pc263.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/amplc_pc263.c | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/drivers/staging/comedi/drivers/amplc_pc263.c b/drivers/staging/comedi/drivers/amplc_pc263.c deleted file mode 100644 index 68da6098ee84..000000000000 --- a/drivers/staging/comedi/drivers/amplc_pc263.c +++ /dev/null @@ -1,102 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Driver for Amplicon PC263 relay board. - * - * Copyright (C) 2002 MEV Ltd. <https://www.mev.co.uk/> - * - * COMEDI - Linux Control and Measurement Device Interface - * Copyright (C) 2000 David A. Schleef <ds@schleef.org> - */ - -/* - * Driver: amplc_pc263 - * Description: Amplicon PC263 - * Author: Ian Abbott <abbotti@mev.co.uk> - * Devices: [Amplicon] PC263 (pc263) - * Updated: Fri, 12 Apr 2013 15:19:36 +0100 - * Status: works - * - * Configuration options: - * [0] - I/O port base address - * - * The board appears as one subdevice, with 16 digital outputs, each - * connected to a reed-relay. Relay contacts are closed when output is 1. - * The state of the outputs can be read. - */ - -#include <linux/module.h> -#include "../comedidev.h" - -/* PC263 registers */ -#define PC263_DO_0_7_REG 0x00 -#define PC263_DO_8_15_REG 0x01 - -struct pc263_board { - const char *name; -}; - -static const struct pc263_board pc263_boards[] = { - { - .name = "pc263", - }, -}; - -static int pc263_do_insn_bits(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - if (comedi_dio_update_state(s, data)) { - outb(s->state & 0xff, dev->iobase + PC263_DO_0_7_REG); - outb((s->state >> 8) & 0xff, dev->iobase + PC263_DO_8_15_REG); - } - - data[1] = s->state; - - return insn->n; -} - -static int pc263_attach(struct comedi_device *dev, struct comedi_devconfig *it) -{ - struct comedi_subdevice *s; - int ret; - - ret = comedi_request_region(dev, it->options[0], 0x2); - if (ret) - return ret; - - ret = comedi_alloc_subdevices(dev, 1); - if (ret) - return ret; - - /* Digital Output subdevice */ - s = &dev->subdevices[0]; - s->type = COMEDI_SUBD_DO; - s->subdev_flags = SDF_WRITABLE; - s->n_chan = 16; - s->maxdata = 1; - s->range_table = &range_digital; - s->insn_bits = pc263_do_insn_bits; - - /* read initial relay state */ - s->state = inb(dev->iobase + PC263_DO_0_7_REG) | - (inb(dev->iobase + PC263_DO_8_15_REG) << 8); - - return 0; -} - -static struct comedi_driver amplc_pc263_driver = { - .driver_name = "amplc_pc263", - .module = THIS_MODULE, - .attach = pc263_attach, - .detach = comedi_legacy_detach, - .board_name = &pc263_boards[0].name, - .offset = sizeof(struct pc263_board), - .num_names = ARRAY_SIZE(pc263_boards), -}; - -module_comedi_driver(amplc_pc263_driver); - -MODULE_AUTHOR("Comedi https://www.comedi.org"); -MODULE_DESCRIPTION("Comedi driver for Amplicon PC263 relay board"); -MODULE_LICENSE("GPL"); |