1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Driver for National Instruments daqcard-1200 boards
4  * Copyright (C) 2001, 2002, 2003 Frank Mori Hess <fmhess@users.sourceforge.net>
5  *
6  * PCMCIA crap is adapted from dummy_cs.c 1.31 2001/08/24 12:13:13
7  * from the pcmcia package.
8  * The initial developer of the pcmcia dummy_cs.c code is David A. Hinds
9  * <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
10  * are Copyright (C) 1999 David A. Hinds.
11  */
12 
13 /*
14  * Driver: ni_labpc_cs
15  * Description: National Instruments Lab-PC (& compatibles)
16  * Author: Frank Mori Hess <fmhess@users.sourceforge.net>
17  * Devices: [National Instruments] DAQCard-1200 (daqcard-1200)
18  * Status: works
19  *
20  * Thanks go to Fredrik Lingvall for much testing and perseverance in
21  * helping to debug daqcard-1200 support.
22  *
23  * The 1200 series boards have onboard calibration dacs for correcting
24  * analog input/output offsets and gains. The proper settings for these
25  * caldacs are stored on the board's eeprom. To read the caldac values
26  * from the eeprom and store them into a file that can be then be used by
27  * comedilib, use the comedi_calibrate program.
28  *
29  * Configuration options: none
30  *
31  * The daqcard-1200 has quirky chanlist requirements when scanning multiple
32  * channels. Multiple channel scan sequence must start at highest channel,
33  * then decrement down to channel 0.  Chanlists consisting of all one channel
34  * are also legal, and allow you to pace conversions in bursts.
35  *
36  * NI manuals:
37  *   340988a (daqcard-1200)
38  */
39 
40 #include <linux/module.h>
41 #include <linux/comedi/comedi_pcmcia.h>
42 
43 #include "ni_labpc.h"
44 
45 static const struct labpc_boardinfo labpc_cs_boards[] = {
46 	{
47 		.name			= "daqcard-1200",
48 		.ai_speed		= 10000,
49 		.has_ao			= 1,
50 		.is_labpc1200		= 1,
51 	},
52 };
53 
labpc_cs_auto_attach(struct comedi_device * dev,unsigned long context)54 static int labpc_cs_auto_attach(struct comedi_device *dev,
55 				unsigned long context)
56 {
57 	struct pcmcia_device *link = comedi_to_pcmcia_dev(dev);
58 	int ret;
59 
60 	/* The ni_labpc driver needs the board_ptr */
61 	dev->board_ptr = &labpc_cs_boards[0];
62 
63 	link->config_flags |= CONF_AUTO_SET_IO |
64 			      CONF_ENABLE_IRQ | CONF_ENABLE_PULSE_IRQ;
65 	ret = comedi_pcmcia_enable(dev, NULL);
66 	if (ret)
67 		return ret;
68 	dev->iobase = link->resource[0]->start;
69 
70 	if (!link->irq)
71 		return -EINVAL;
72 
73 	return labpc_common_attach(dev, link->irq, IRQF_SHARED);
74 }
75 
labpc_cs_detach(struct comedi_device * dev)76 static void labpc_cs_detach(struct comedi_device *dev)
77 {
78 	labpc_common_detach(dev);
79 	comedi_pcmcia_disable(dev);
80 }
81 
82 static struct comedi_driver driver_labpc_cs = {
83 	.driver_name	= "ni_labpc_cs",
84 	.module		= THIS_MODULE,
85 	.auto_attach	= labpc_cs_auto_attach,
86 	.detach		= labpc_cs_detach,
87 };
88 
labpc_cs_attach(struct pcmcia_device * link)89 static int labpc_cs_attach(struct pcmcia_device *link)
90 {
91 	return comedi_pcmcia_auto_config(link, &driver_labpc_cs);
92 }
93 
94 static const struct pcmcia_device_id labpc_cs_ids[] = {
95 	PCMCIA_DEVICE_MANF_CARD(0x010b, 0x0103),	/* daqcard-1200 */
96 	PCMCIA_DEVICE_NULL
97 };
98 MODULE_DEVICE_TABLE(pcmcia, labpc_cs_ids);
99 
100 static struct pcmcia_driver labpc_cs_driver = {
101 	.name		= "daqcard-1200",
102 	.owner		= THIS_MODULE,
103 	.id_table	= labpc_cs_ids,
104 	.probe		= labpc_cs_attach,
105 	.remove		= comedi_pcmcia_auto_unconfig,
106 };
107 module_comedi_pcmcia_driver(driver_labpc_cs, labpc_cs_driver);
108 
109 MODULE_DESCRIPTION("Comedi driver for National Instruments Lab-PC");
110 MODULE_AUTHOR("Frank Mori Hess <fmhess@users.sourceforge.net>");
111 MODULE_LICENSE("GPL");
112