diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/amplc_pc263.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/amplc_pc263.c | 104 |
1 files changed, 52 insertions, 52 deletions
diff --git a/drivers/staging/comedi/drivers/amplc_pc263.c b/drivers/staging/comedi/drivers/amplc_pc263.c index b1946ce6ecc1..58b0b6b1a693 100644 --- a/drivers/staging/comedi/drivers/amplc_pc263.c +++ b/drivers/staging/comedi/drivers/amplc_pc263.c @@ -1,46 +1,44 @@ /* - comedi/drivers/amplc_pc263.c - Driver for Amplicon PC263 and PCI263 relay boards. - - Copyright (C) 2002 MEV Ltd. <http://www.mev.co.uk/> - - COMEDI - Linux Control and Measurement Device Interface - Copyright (C) 2000 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. + * Driver for Amplicon PC263 relay board. + * + * Copyright (C) 2002 MEV Ltd. <http://www.mev.co.uk/> + * + * COMEDI - Linux Control and Measurement Device Interface + * Copyright (C) 2000 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. + */ - 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. -*/ /* -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. -*/ + * 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 */ - -/* - * Board descriptions for Amplicon PC263. - */ +#define PC263_DO_0_7_REG 0x00 +#define PC263_DO_8_15_REG 0x01 struct pc263_board { const char *name; @@ -58,8 +56,8 @@ static int pc263_do_insn_bits(struct comedi_device *dev, unsigned int *data) { if (comedi_dio_update_state(s, data)) { - outb(s->state & 0xff, dev->iobase); - outb((s->state >> 8) & 0xff, dev->iobase + 1); + 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; @@ -80,28 +78,30 @@ static int pc263_attach(struct comedi_device *dev, struct comedi_devconfig *it) if (ret) return ret; + /* Digital Output subdevice */ s = &dev->subdevices[0]; - /* digital output subdevice */ - 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; + 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) | (inb(dev->iobase + 1) << 8); + 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), + .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); |