[linux-2.6-block.git] / drivers / staging / comedi / drivers / addi_apci_16xx.c

/*
 * addi_apci_16xx.c
 * Copyright (C) 2004,2005  ADDI-DATA GmbH for the source code of this module.
 * Project manager: S. Weber
 *
 *	ADDI-DATA GmbH
 *	Dieselstrasse 3
 *	D-77833 Ottersweier
 *	Tel: +19(0)7223/9493-0
 *	Fax: +49(0)7223/9493-92
 *	http://www.addi-data.com
 *	info@addi-data.com
 *
 * 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.
 */

#include <linux/module.h>
#include <linux/pci.h>

#include "../comedidev.h"

/*
 * Register I/O map
 */
#define APCI16XX_IN_REG(x)		(((x) * 4) + 0x08)
#define APCI16XX_OUT_REG(x)		(((x) * 4) + 0x14)
#define APCI16XX_DIR_REG(x)		(((x) * 4) + 0x20)

enum apci16xx_boardid {
	BOARD_APCI1648,
	BOARD_APCI1696,
};

struct apci16xx_boardinfo {
	const char *name;
	int n_chan;
};

static const struct apci16xx_boardinfo apci16xx_boardtypes[] = {
	[BOARD_APCI1648] = {
		.name		= "apci1648",
		.n_chan		= 48,		/* 2 subdevices */
	},
	[BOARD_APCI1696] = {
		.name		= "apci1696",
		.n_chan		= 96,		/* 3 subdevices */
	},
};

static int apci16xx_insn_config(struct comedi_device *dev,
				struct comedi_subdevice *s,
				struct comedi_insn *insn,
				unsigned int *data)
{
	unsigned int chan = CR_CHAN(insn->chanspec);
	unsigned int mask;
	int ret;

	if (chan < 8)
		mask = 0x000000ff;
	else if (chan < 16)
		mask = 0x0000ff00;
	else if (chan < 24)
		mask = 0x00ff0000;
	else
		mask = 0xff000000;

	ret = comedi_dio_insn_config(dev, s, insn, data, mask);
	if (ret)
		return ret;

	outl(s->io_bits, dev->iobase + APCI16XX_DIR_REG(s->index));

	return insn->n;
}

static int apci16xx_dio_insn_bits(struct comedi_device *dev,
				  struct comedi_subdevice *s,
				  struct comedi_insn *insn,
				  unsigned int *data)
{
	if (comedi_dio_update_state(s, data))
		outl(s->state, dev->iobase + APCI16XX_OUT_REG(s->index));

	data[1] = inl(dev->iobase + APCI16XX_IN_REG(s->index));

	return insn->n;
}

static int apci16xx_auto_attach(struct comedi_device *dev,
				unsigned long context)
{
	struct pci_dev *pcidev = comedi_to_pci_dev(dev);
	const struct apci16xx_boardinfo *board = NULL;
	struct comedi_subdevice *s;
	unsigned int n_subdevs;
	unsigned int last;
	int i;
	int ret;

	if (context < ARRAY_SIZE(apci16xx_boardtypes))
		board = &apci16xx_boardtypes[context];
	if (!board)
		return -ENODEV;
	dev->board_ptr = board;
	dev->board_name = board->name;

	ret = comedi_pci_enable(dev);
	if (ret)
		return ret;

	dev->iobase = pci_resource_start(pcidev, 0);

	/*
	 * Work out the nubmer of subdevices needed to support all the
	 * digital i/o channels on the board. Each subdevice supports
	 * up to 32 channels.
	 */
	n_subdevs = board->n_chan / 32;
	if ((n_subdevs * 32) < board->n_chan) {
		last = board->n_chan - (n_subdevs * 32);
		n_subdevs++;
	} else {
		last = 0;
	}

	ret = comedi_alloc_subdevices(dev, n_subdevs);
	if (ret)
		return ret;

	/* Initialize the TTL digital i/o subdevices */
	for (i = 0; i < n_subdevs; i++) {
		s = &dev->subdevices[i];
		s->type		= COMEDI_SUBD_DIO;
		s->subdev_flags	= SDF_WRITABLE | SDF_READABLE;
		s->n_chan	= ((i * 32) < board->n_chan) ? 32 : last;
		s->maxdata	= 1;
		s->range_table	= &range_digital;
		s->insn_config	= apci16xx_insn_config;
		s->insn_bits	= apci16xx_dio_insn_bits;

		/* Default all channels to inputs */
		s->io_bits	= 0;
		outl(s->io_bits, dev->iobase + APCI16XX_DIR_REG(i));
	}

	return 0;
}

static struct comedi_driver apci16xx_driver = {
	.driver_name	= "addi_apci_16xx",
	.module		= THIS_MODULE,
	.auto_attach	= apci16xx_auto_attach,
	.detach		= comedi_pci_detach,
};

static int apci16xx_pci_probe(struct pci_dev *dev,
			      const struct pci_device_id *id)
{
	return comedi_pci_auto_config(dev, &apci16xx_driver, id->driver_data);
}

static const struct pci_device_id apci16xx_pci_table[] = {
	{ PCI_VDEVICE(ADDIDATA, 0x1009), BOARD_APCI1648 },
	{ PCI_VDEVICE(ADDIDATA, 0x100a), BOARD_APCI1696 },
	{ 0 }
};
MODULE_DEVICE_TABLE(pci, apci16xx_pci_table);

static struct pci_driver apci16xx_pci_driver = {
	.name		= "addi_apci_16xx",
	.id_table	= apci16xx_pci_table,
	.probe		= apci16xx_pci_probe,
	.remove		= comedi_pci_auto_unconfig,
};
module_comedi_pci_driver(apci16xx_driver, apci16xx_pci_driver);

MODULE_DESCRIPTION("ADDI-DATA APCI-1648/1696, TTL I/O boards");
MODULE_AUTHOR("Comedi http://www.comedi.org");
MODULE_LICENSE("GPL");
Commit	Line	Data
0ecb3ea9 HS	1	/*
	2	* addi_apci_16xx.c
	3	* Copyright (C) 2004,2005 ADDI-DATA GmbH for the source code of this module.
	4	* Project manager: S. Weber
	5	*
	6	* ADDI-DATA GmbH
	7	* Dieselstrasse 3
	8	* D-77833 Ottersweier
	9	* Tel: +19(0)7223/9493-0
	10	* Fax: +49(0)7223/9493-92
	11	* http://www.addi-data.com
	12	* info@addi-data.com
	13	*
	14	* This program is free software; you can redistribute it and/or modify it
	15	* under the terms of the GNU General Public License as published by the
	16	* Free Software Foundation; either version 2 of the License, or (at your
	17	* option) any later version.
	18	*
	19	* This program is distributed in the hope that it will be useful, but WITHOUT
	20	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	21	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	22	* more details.
0ecb3ea9 HS	23	*/
0ecb3ea9 HS	24
ce157f80	25	#include <linux/module.h>
33782dd5 HS	26	#include <linux/pci.h>
33782dd5 HS	27
3d41c443	28	#include "../comedidev.h"
3d41c443	29
92eb3795 HS	30	/*
	31	* Register I/O map
	32	*/
	33	#define APCI16XX_IN_REG(x) (((x) * 4) + 0x08)
	34	#define APCI16XX_OUT_REG(x) (((x) * 4) + 0x14)
	35	#define APCI16XX_DIR_REG(x) (((x) * 4) + 0x20)
317285d7	36
a4732f35 HS	37	enum apci16xx_boardid {
	38	BOARD_APCI1648,
	39	BOARD_APCI1696,
	40	};
	41
2a2e63dd HS	42	struct apci16xx_boardinfo {
2a2e63dd HS	43	const char *name;
2a2e63dd HS	44	int n_chan;
	45	};
	46
	47	static const struct apci16xx_boardinfo apci16xx_boardtypes[] = {
a4732f35	48	[BOARD_APCI1648] = {
2a2e63dd	49	.name = "apci1648",
92eb3795	50	.n_chan = 48, /* 2 subdevices */
a4732f35 HS	51	},
a4732f35 HS	52	[BOARD_APCI1696] = {
2a2e63dd	53	.name = "apci1696",
92eb3795	54	.n_chan = 96, /* 3 subdevices */
c0a053b8 HS	55	},
	56	};
	57
92eb3795 HS	58	static int apci16xx_insn_config(struct comedi_device *dev,
	59	struct comedi_subdevice *s,
	60	struct comedi_insn *insn,
	61	unsigned int *data)
	62	{
5dacadcc HS	63	unsigned int chan = CR_CHAN(insn->chanspec);
	64	unsigned int mask;
	65	int ret;
	66
	67	if (chan < 8)
	68	mask = 0x000000ff;
	69	else if (chan < 16)
	70	mask = 0x0000ff00;
	71	else if (chan < 24)
	72	mask = 0x00ff0000;
92eb3795	73	else
5dacadcc HS	74	mask = 0xff000000;
	75
	76	ret = comedi_dio_insn_config(dev, s, insn, data, mask);
	77	if (ret)
	78	return ret;
92eb3795 HS	79
	80	outl(s->io_bits, dev->iobase + APCI16XX_DIR_REG(s->index));
	81
	82	return insn->n;
	83	}
	84
	85	static int apci16xx_dio_insn_bits(struct comedi_device *dev,
	86	struct comedi_subdevice *s,
	87	struct comedi_insn *insn,
	88	unsigned int *data)
	89	{
a485f4d6	90	if (comedi_dio_update_state(s, data))
92eb3795	91	outl(s->state, dev->iobase + APCI16XX_OUT_REG(s->index));
92eb3795 HS	92
	93	data[1] = inl(dev->iobase + APCI16XX_IN_REG(s->index));
	94
	95	return insn->n;
	96	}
	97
36846332	98	static int apci16xx_auto_attach(struct comedi_device *dev,
a4732f35	99	unsigned long context)
36846332 HS	100	{
36846332 HS	101	struct pci_dev *pcidev = comedi_to_pci_dev(dev);
a4732f35	102	const struct apci16xx_boardinfo *board = NULL;
36846332	103	struct comedi_subdevice *s;
92eb3795 HS	104	unsigned int n_subdevs;
	105	unsigned int last;
	106	int i;
b6e7714c	107	int ret;
36846332	108
a4732f35 HS	109	if (context < ARRAY_SIZE(apci16xx_boardtypes))
a4732f35 HS	110	board = &apci16xx_boardtypes[context];
0e2bd50b	111	if (!board)
36846332	112	return -ENODEV;
0e2bd50b HS	113	dev->board_ptr = board;
0e2bd50b HS	114	dev->board_name = board->name;
36846332	115
818f569f	116	ret = comedi_pci_enable(dev);
36846332 HS	117	if (ret)
	118	return ret;
	119
ebea8c69	120	dev->iobase = pci_resource_start(pcidev, 0);
36846332	121
92eb3795 HS	122	/*
	123	* Work out the nubmer of subdevices needed to support all the
	124	* digital i/o channels on the board. Each subdevice supports
	125	* up to 32 channels.
	126	*/
	127	n_subdevs = board->n_chan / 32;
	128	if ((n_subdevs * 32) < board->n_chan) {
	129	last = board->n_chan - (n_subdevs * 32);
	130	n_subdevs++;
	131	} else {
	132	last = 0;
	133	}
	134
	135	ret = comedi_alloc_subdevices(dev, n_subdevs);
36846332 HS	136	if (ret)
	137	return ret;
	138
92eb3795 HS	139	/* Initialize the TTL digital i/o subdevices */
	140	for (i = 0; i < n_subdevs; i++) {
	141	s = &dev->subdevices[i];
	142	s->type = COMEDI_SUBD_DIO;
ef49d832	143	s->subdev_flags = SDF_WRITABLE \| SDF_READABLE;
92eb3795 HS	144	s->n_chan = ((i * 32) < board->n_chan) ? 32 : last;
	145	s->maxdata = 1;
	146	s->range_table = &range_digital;
	147	s->insn_config = apci16xx_insn_config;
	148	s->insn_bits = apci16xx_dio_insn_bits;
	149
	150	/* Default all channels to inputs */
	151	s->io_bits = 0;
	152	outl(s->io_bits, dev->iobase + APCI16XX_DIR_REG(i));
	153	}
36846332	154
36846332 HS	155	return 0;
	156	}
	157
20a22b70 HS	158	static struct comedi_driver apci16xx_driver = {
	159	.driver_name = "addi_apci_16xx",
	160	.module = THIS_MODULE,
36846332	161	.auto_attach = apci16xx_auto_attach,
aac307f9	162	.detach = comedi_pci_detach,
20a22b70 HS	163	};
20a22b70 HS	164
a690b7e5	165	static int apci16xx_pci_probe(struct pci_dev *dev,
b8f4ac23	166	const struct pci_device_id *id)
20a22b70	167	{
b8f4ac23	168	return comedi_pci_auto_config(dev, &apci16xx_driver, id->driver_data);
20a22b70 HS	169	}
20a22b70 HS	170
41e043fc	171	static const struct pci_device_id apci16xx_pci_table[] = {
a4732f35 HS	172	{ PCI_VDEVICE(ADDIDATA, 0x1009), BOARD_APCI1648 },
a4732f35 HS	173	{ PCI_VDEVICE(ADDIDATA, 0x100a), BOARD_APCI1696 },
317285d7 HS	174	{ 0 }
317285d7 HS	175	};
20a22b70	176	MODULE_DEVICE_TABLE(pci, apci16xx_pci_table);
317285d7	177
20a22b70 HS	178	static struct pci_driver apci16xx_pci_driver = {
	179	.name = "addi_apci_16xx",
	180	.id_table = apci16xx_pci_table,
	181	.probe = apci16xx_pci_probe,
9901a4d7	182	.remove = comedi_pci_auto_unconfig,
20a22b70 HS	183	};
20a22b70 HS	184	module_comedi_pci_driver(apci16xx_driver, apci16xx_pci_driver);
90f703d3	185
5e72c174	186	MODULE_DESCRIPTION("ADDI-DATA APCI-1648/1696, TTL I/O boards");
90f703d3	187	MODULE_AUTHOR("Comedi http://www.comedi.org");
90f703d3	188	MODULE_LICENSE("GPL");