[linux-2.6-block.git] / drivers / staging / comedi / drivers / addi_apci_1032.c

/*
 * addi_apci_1032.c
 * Copyright (C) 2004,2005  ADDI-DATA GmbH for the source code of this module.
 * Project manager: Eric Stolz
 *
 *	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.
 *
 * 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., 59 Temple
 * Place, Suite 330, Boston, MA 02111-1307 USA
 *
 * You should also find the complete GPL in the COPYING file accompanying this
 * source code.
 */

#include "../comedidev.h"
#include "comedi_fc.h"
#include "amcc_s5933.h"

#include "addi-data/addi_common.h"

/*
 * I/O Register Map
 */
#define APCI1032_DI_REG			0x00
#define APCI1032_MODE1_REG		0x04
#define APCI1032_MODE2_REG		0x08
#define APCI1032_STATUS_REG		0x0c
#define APCI1032_CTRL_REG		0x10
#define APCI1032_CTRL_INT_OR		(0 << 1)
#define APCI1032_CTRL_INT_AND		(1 << 1)
#define APCI1032_CTRL_INT_ENA		(1 << 2)

/* Digital Input IRQ Function Selection */
#define ADDIDATA_OR				0
#define ADDIDATA_AND				1

static unsigned int ui_InterruptStatus;

/*
 * data[0] : 1 Enable  Digital Input Interrupt
 *           0 Disable Digital Input Interrupt
 * data[1] : 0 ADDIDATA Interrupt OR LOGIC
 *         : 1 ADDIDATA Interrupt AND LOGIC
 * data[2] : Interrupt mask for the mode 1
 * data[3] : Interrupt mask for the mode 2
 */
static int apci1032_intr_insn_config(struct comedi_device *dev,
				     struct comedi_subdevice *s,
				     struct comedi_insn *insn,
				     unsigned int *data)
{
	unsigned int ui_TmpValue;
	unsigned int ul_Command1 = 0;
	unsigned int ul_Command2 = 0;

  /*******************************/
	/* Set the digital input logic */
  /*******************************/
	if (data[0] == ADDIDATA_ENABLE) {
		ul_Command1 = ul_Command1 | data[2];
		ul_Command2 = ul_Command2 | data[3];
		outl(ul_Command1, dev->iobase + APCI1032_MODE1_REG);
		outl(ul_Command2, dev->iobase + APCI1032_MODE2_REG);
		if (data[1] == ADDIDATA_OR) {
			outl(APCI1032_CTRL_INT_ENA |
			     APCI1032_CTRL_INT_OR,
			     dev->iobase + APCI1032_CTRL_REG);
			ui_TmpValue =
				inl(dev->iobase + APCI1032_CTRL_REG);
		}		/* if (data[1] == ADDIDATA_OR) */
		else
			outl(APCI1032_CTRL_INT_ENA |
			     APCI1032_CTRL_INT_AND,
			     dev->iobase + APCI1032_CTRL_REG);
				/* else if(data[1] == ADDIDATA_OR) */
	}			/*  if( data[0] == ADDIDATA_ENABLE) */
	else {
		ul_Command1 = ul_Command1 & 0xFFFF0000;
		ul_Command2 = ul_Command2 & 0xFFFF0000;
		outl(ul_Command1, dev->iobase + APCI1032_MODE1_REG);
		outl(ul_Command2, dev->iobase + APCI1032_MODE2_REG);
		outl(0x0, dev->iobase + APCI1032_CTRL_REG);
	}			/* else if  ( data[0] == ADDIDATA_ENABLE) */

	return insn->n;
}

static irqreturn_t apci1032_interrupt(int irq, void *d)
{
	struct comedi_device *dev = d;
	unsigned int ctrl;

	/* disable the interrupt */
	ctrl = inl(dev->iobase + APCI1032_CTRL_REG);
	outl(ctrl & ~APCI1032_CTRL_INT_ENA, dev->iobase + APCI1032_CTRL_REG);

	ui_InterruptStatus = inl(dev->iobase + APCI1032_STATUS_REG);
	ui_InterruptStatus = ui_InterruptStatus & 0X0000FFFF;

	/* enable the interrupt */
	outl(ctrl, dev->iobase + APCI1032_CTRL_REG);

	return IRQ_HANDLED;
}

static int apci1032_di_insn_bits(struct comedi_device *dev,
				 struct comedi_subdevice *s,
				 struct comedi_insn *insn,
				 unsigned int *data)
{
	data[1] = inl(dev->iobase + APCI1032_DI_REG);

	return insn->n;
}

static int apci1032_reset(struct comedi_device *dev)
{
	/* disable the interrupts */
	outl(0x0, dev->iobase + APCI1032_CTRL_REG);
	/* Reset the interrupt status register */
	inl(dev->iobase + APCI1032_STATUS_REG);
	/* Disable the and/or interrupt */
	outl(0x0, dev->iobase + APCI1032_MODE1_REG);
	outl(0x0, dev->iobase + APCI1032_MODE2_REG);

	return 0;
}

static int apci1032_attach_pci(struct comedi_device *dev,
			       struct pci_dev *pcidev)
{
	struct comedi_subdevice *s;
	int ret;

	dev->board_name = dev->driver->driver_name;

	ret = comedi_pci_enable(pcidev, dev->board_name);
	if (ret)
		return ret;

	dev->iobase = pci_resource_start(pcidev, 2);

	if (pcidev->irq > 0) {
		ret = request_irq(pcidev->irq, apci1032_interrupt, IRQF_SHARED,
				  dev->board_name, dev);
		if (ret == 0)
			dev->irq = pcidev->irq;
	}

	ret = comedi_alloc_subdevices(dev, 2);
	if (ret)
		return ret;

	/*  Allocate and Initialise DI Subdevice Structures */
	s = &dev->subdevices[0];
	s->type		= COMEDI_SUBD_DI;
	s->subdev_flags	= SDF_READABLE;
	s->n_chan	= 32;
	s->maxdata	= 1;
	s->len_chanlist	= 32;
	s->range_table	= &range_digital;
	s->insn_bits	= apci1032_di_insn_bits;

	if (dev->irq) {
		s = &dev->subdevices[1];
		s->type		= COMEDI_SUBD_DI;
		s->subdev_flags	= SDF_READABLE;
		s->n_chan	= 1;
		s->maxdata	= 1;
		s->range_table	= &range_digital;
		s->insn_config	= apci1032_intr_insn_config;
	}

	apci1032_reset(dev);
	return 0;
}

static void apci1032_detach(struct comedi_device *dev)
{
	struct pci_dev *pcidev = comedi_to_pci_dev(dev);

	if (dev->iobase)
		apci1032_reset(dev);
	if (dev->irq)
		free_irq(dev->irq, dev);
	if (pcidev) {
		if (dev->iobase)
			comedi_pci_disable(pcidev);
	}
}

static struct comedi_driver apci1032_driver = {
	.driver_name	= "addi_apci_1032",
	.module		= THIS_MODULE,
	.attach_pci	= apci1032_attach_pci,
	.detach		= apci1032_detach,
};

static int __devinit apci1032_pci_probe(struct pci_dev *dev,
					const struct pci_device_id *ent)
{
	return comedi_pci_auto_config(dev, &apci1032_driver);
}

static void __devexit apci1032_pci_remove(struct pci_dev *dev)
{
	comedi_pci_auto_unconfig(dev);
}

static DEFINE_PCI_DEVICE_TABLE(apci1032_pci_table) = {
	{ PCI_DEVICE(PCI_VENDOR_ID_ADDIDATA, 0x1003) },
	{ 0 }
};
MODULE_DEVICE_TABLE(pci, apci1032_pci_table);

static struct pci_driver apci1032_pci_driver = {
	.name		= "addi_apci_1032",
	.id_table	= apci1032_pci_table,
	.probe		= apci1032_pci_probe,
	.remove		= __devexit_p(apci1032_pci_remove),
};
module_comedi_pci_driver(apci1032_driver, apci1032_pci_driver);

MODULE_AUTHOR("Comedi http://www.comedi.org");
MODULE_DESCRIPTION("Comedi low-level driver");
MODULE_LICENSE("GPL");
Commit	Line	Data
6a3734af HS	1	/*
	2	* addi_apci_1032.c
	3	* Copyright (C) 2004,2005 ADDI-DATA GmbH for the source code of this module.
	4	* Project manager: Eric Stolz
	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.
	23	*
	24	* You should have received a copy of the GNU General Public License along with
	25	* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
	26	* Place, Suite 330, Boston, MA 02111-1307 USA
	27	*
	28	* You should also find the complete GPL in the COPYING file accompanying this
	29	* source code.
	30	*/
	31
3d41c443 HS	32	#include "../comedidev.h"
3d41c443 HS	33	#include "comedi_fc.h"
bf36f012	34	#include "amcc_s5933.h"
3d41c443 HS	35
3d41c443 HS	36	#include "addi-data/addi_common.h"
3d41c443	37
6a3734af HS	38	/*
	39	* I/O Register Map
	40	*/
	41	#define APCI1032_DI_REG 0x00
	42	#define APCI1032_MODE1_REG 0x04
	43	#define APCI1032_MODE2_REG 0x08
	44	#define APCI1032_STATUS_REG 0x0c
	45	#define APCI1032_CTRL_REG 0x10
	46	#define APCI1032_CTRL_INT_OR (0 << 1)
	47	#define APCI1032_CTRL_INT_AND (1 << 1)
	48	#define APCI1032_CTRL_INT_ENA (1 << 2)
	49
	50	/* Digital Input IRQ Function Selection */
	51	#define ADDIDATA_OR 0
	52	#define ADDIDATA_AND 1
	53
	54	static unsigned int ui_InterruptStatus;
	55
	56	/*
	57	* data[0] : 1 Enable Digital Input Interrupt
	58	* 0 Disable Digital Input Interrupt
	59	* data[1] : 0 ADDIDATA Interrupt OR LOGIC
	60	* : 1 ADDIDATA Interrupt AND LOGIC
	61	* data[2] : Interrupt mask for the mode 1
	62	* data[3] : Interrupt mask for the mode 2
	63	*/
6835a17a HS	64	static int apci1032_intr_insn_config(struct comedi_device *dev,
	65	struct comedi_subdevice *s,
	66	struct comedi_insn *insn,
	67	unsigned int *data)
6a3734af	68	{
6a3734af HS	69	unsigned int ui_TmpValue;
	70	unsigned int ul_Command1 = 0;
	71	unsigned int ul_Command2 = 0;
	72
6a3734af HS	73	/*******************************/
	74	/* Set the digital input logic */
	75	/*******************************/
	76	if (data[0] == ADDIDATA_ENABLE) {
	77	ul_Command1 = ul_Command1 \| data[2];
	78	ul_Command2 = ul_Command2 \| data[3];
	79	outl(ul_Command1, dev->iobase + APCI1032_MODE1_REG);
	80	outl(ul_Command2, dev->iobase + APCI1032_MODE2_REG);
	81	if (data[1] == ADDIDATA_OR) {
	82	outl(APCI1032_CTRL_INT_ENA \|
	83	APCI1032_CTRL_INT_OR,
	84	dev->iobase + APCI1032_CTRL_REG);
	85	ui_TmpValue =
	86	inl(dev->iobase + APCI1032_CTRL_REG);
	87	} /* if (data[1] == ADDIDATA_OR) */
	88	else
	89	outl(APCI1032_CTRL_INT_ENA \|
	90	APCI1032_CTRL_INT_AND,
	91	dev->iobase + APCI1032_CTRL_REG);
	92	/* else if(data[1] == ADDIDATA_OR) */
	93	} /* if( data[0] == ADDIDATA_ENABLE) */
	94	else {
	95	ul_Command1 = ul_Command1 & 0xFFFF0000;
	96	ul_Command2 = ul_Command2 & 0xFFFF0000;
	97	outl(ul_Command1, dev->iobase + APCI1032_MODE1_REG);
	98	outl(ul_Command2, dev->iobase + APCI1032_MODE2_REG);
	99	outl(0x0, dev->iobase + APCI1032_CTRL_REG);
	100	} /* else if ( data[0] == ADDIDATA_ENABLE) */
	101
	102	return insn->n;
	103	}
2bb8b1df	104
12d606f7	105	static irqreturn_t apci1032_interrupt(int irq, void *d)
2bb8b1df	106	{
12d606f7	107	struct comedi_device *dev = d;
12d606f7 HS	108	unsigned int ctrl;
	109
	110	/* disable the interrupt */
	111	ctrl = inl(dev->iobase + APCI1032_CTRL_REG);
	112	outl(ctrl & ~APCI1032_CTRL_INT_ENA, dev->iobase + APCI1032_CTRL_REG);
	113
	114	ui_InterruptStatus = inl(dev->iobase + APCI1032_STATUS_REG);
	115	ui_InterruptStatus = ui_InterruptStatus & 0X0000FFFF;
12d606f7 HS	116
	117	/* enable the interrupt */
	118	outl(ctrl, dev->iobase + APCI1032_CTRL_REG);
	119
	120	return IRQ_HANDLED;
2bb8b1df HS	121	}
2bb8b1df HS	122
a3de4cd3 HS	123	static int apci1032_di_insn_bits(struct comedi_device *dev,
	124	struct comedi_subdevice *s,
	125	struct comedi_insn *insn,
	126	unsigned int *data)
	127	{
	128	data[1] = inl(dev->iobase + APCI1032_DI_REG);
	129
	130	return insn->n;
	131	}
	132
274113fd HS	133	static int apci1032_reset(struct comedi_device *dev)
	134	{
	135	/* disable the interrupts */
	136	outl(0x0, dev->iobase + APCI1032_CTRL_REG);
	137	/* Reset the interrupt status register */
	138	inl(dev->iobase + APCI1032_STATUS_REG);
	139	/* Disable the and/or interrupt */
	140	outl(0x0, dev->iobase + APCI1032_MODE1_REG);
	141	outl(0x0, dev->iobase + APCI1032_MODE2_REG);
	142
	143	return 0;
	144	}
	145
2bb8b1df HS	146	static int apci1032_attach_pci(struct comedi_device *dev,
	147	struct pci_dev *pcidev)
	148	{
2bb8b1df	149	struct comedi_subdevice *s;
b37f84d5	150	int ret;
2bb8b1df	151
ac467b5e	152	dev->board_name = dev->driver->driver_name;
2bb8b1df	153
2bb8b1df HS	154	ret = comedi_pci_enable(pcidev, dev->board_name);
	155	if (ret)
	156	return ret;
	157
05f22ad7	158	dev->iobase = pci_resource_start(pcidev, 2);
2bb8b1df	159
2bb8b1df	160	if (pcidev->irq > 0) {
12d606f7	161	ret = request_irq(pcidev->irq, apci1032_interrupt, IRQF_SHARED,
2bb8b1df HS	162	dev->board_name, dev);
	163	if (ret == 0)
	164	dev->irq = pcidev->irq;
	165	}
	166
6835a17a	167	ret = comedi_alloc_subdevices(dev, 2);
2bb8b1df HS	168	if (ret)
	169	return ret;
	170
2bb8b1df	171	/* Allocate and Initialise DI Subdevice Structures */
b37f84d5	172	s = &dev->subdevices[0];
4c2c1488 HS	173	s->type = COMEDI_SUBD_DI;
	174	s->subdev_flags = SDF_READABLE;
	175	s->n_chan = 32;
	176	s->maxdata = 1;
	177	s->len_chanlist = 32;
	178	s->range_table = &range_digital;
a3de4cd3	179	s->insn_bits = apci1032_di_insn_bits;
5dbdbf67	180
6835a17a HS	181	if (dev->irq) {
	182	s = &dev->subdevices[1];
	183	s->type = COMEDI_SUBD_DI;
	184	s->subdev_flags = SDF_READABLE;
	185	s->n_chan = 1;
	186	s->maxdata = 1;
	187	s->range_table = &range_digital;
	188	s->insn_config = apci1032_intr_insn_config;
	189	}
	190
274113fd	191	apci1032_reset(dev);
2bb8b1df HS	192	return 0;
	193	}
	194
	195	static void apci1032_detach(struct comedi_device *dev)
	196	{
	197	struct pci_dev *pcidev = comedi_to_pci_dev(dev);
2bb8b1df	198
14696bbe HS	199	if (dev->iobase)
	200	apci1032_reset(dev);
	201	if (dev->irq)
	202	free_irq(dev->irq, dev);
2bb8b1df HS	203	if (pcidev) {
	204	if (dev->iobase)
	205	comedi_pci_disable(pcidev);
	206	}
	207	}
	208
20a22b70 HS	209	static struct comedi_driver apci1032_driver = {
	210	.driver_name = "addi_apci_1032",
	211	.module = THIS_MODULE,
2bb8b1df HS	212	.attach_pci = apci1032_attach_pci,
2bb8b1df HS	213	.detach = apci1032_detach,
20a22b70 HS	214	};
	215
	216	static int __devinit apci1032_pci_probe(struct pci_dev *dev,
	217	const struct pci_device_id *ent)
	218	{
	219	return comedi_pci_auto_config(dev, &apci1032_driver);
	220	}
	221
	222	static void __devexit apci1032_pci_remove(struct pci_dev *dev)
	223	{
	224	comedi_pci_auto_unconfig(dev);
	225	}
	226
	227	static DEFINE_PCI_DEVICE_TABLE(apci1032_pci_table) = {
317285d7 HS	228	{ PCI_DEVICE(PCI_VENDOR_ID_ADDIDATA, 0x1003) },
	229	{ 0 }
	230	};
20a22b70	231	MODULE_DEVICE_TABLE(pci, apci1032_pci_table);
317285d7	232
20a22b70 HS	233	static struct pci_driver apci1032_pci_driver = {
	234	.name = "addi_apci_1032",
	235	.id_table = apci1032_pci_table,
	236	.probe = apci1032_pci_probe,
	237	.remove = __devexit_p(apci1032_pci_remove),
	238	};
	239	module_comedi_pci_driver(apci1032_driver, apci1032_pci_driver);
90f703d3 AT	240
	241	MODULE_AUTHOR("Comedi http://www.comedi.org");
	242	MODULE_DESCRIPTION("Comedi low-level driver");
	243	MODULE_LICENSE("GPL");