1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Comedi driver for NI PCMCIA MIO E series cards
4 *
5 * COMEDI - Linux Control and Measurement Device Interface
6 * Copyright (C) 1997-2000 David A. Schleef <ds@schleef.org>
7 */
8
9/*
10 * Driver: ni_mio_cs
11 * Description: National Instruments DAQCard E series
12 * Author: ds
13 * Status: works
14 * Devices: [National Instruments] DAQCard-AI-16XE-50 (ni_mio_cs),
15 * DAQCard-AI-16E-4, DAQCard-6062E, DAQCard-6024E, DAQCard-6036E
16 * Updated: Thu Oct 23 19:43:17 CDT 2003
17 *
18 * See the notes in the ni_atmio.o driver.
19 */
20
21/*
22 * The real guts of the driver is in ni_mio_common.c, which is
23 * included by all the E series drivers.
24 *
25 * References for specifications:
26 * 341080a.pdf DAQCard E Series Register Level Programmer Manual
27 */
28
29#include <linux/module.h>
30#include <linux/delay.h>
31#include <linux/comedi/comedi_pcmcia.h>
32#include <linux/comedi/comedi_8255.h>
33
34#include "ni_stc.h"
35
36/*
37 * AT specific setup
38 */
39
40static const struct ni_board_struct ni_boards[] = {
41 {
42 .name = "DAQCard-ai-16xe-50",
43 .device_id = 0x010d,
44 .n_adchan = 16,
45 .ai_maxdata = 0xffff,
46 .ai_fifo_depth = 1024,
47 .gainlkup = ai_gain_8,
48 .ai_speed = 5000,
49 .caldac = { dac8800, dac8043 },
50 }, {
51 .name = "DAQCard-ai-16e-4",
52 .device_id = 0x010c,
53 .n_adchan = 16,
54 .ai_maxdata = 0x0fff,
55 .ai_fifo_depth = 1024,
56 .gainlkup = ai_gain_16,
57 .ai_speed = 4000,
58 .caldac = { mb88341 }, /* verified */
59 }, {
60 .name = "DAQCard-6062E",
61 .device_id = 0x02c4,
62 .n_adchan = 16,
63 .ai_maxdata = 0x0fff,
64 .ai_fifo_depth = 8192,
65 .gainlkup = ai_gain_16,
66 .ai_speed = 2000,
67 .n_aochan = 2,
68 .ao_maxdata = 0x0fff,
69 .ao_fifo_depth = 2048,
70 .ao_range_table = &range_bipolar10,
71 .ao_speed = 1176,
72 .caldac = { ad8804_debug }, /* verified */
73 }, {
74 /* specs incorrect! */
75 .name = "DAQCard-6024E",
76 .device_id = 0x075e,
77 .n_adchan = 16,
78 .ai_maxdata = 0x0fff,
79 .ai_fifo_depth = 1024,
80 .gainlkup = ai_gain_4,
81 .ai_speed = 5000,
82 .n_aochan = 2,
83 .ao_maxdata = 0x0fff,
84 .ao_range_table = &range_bipolar10,
85 .ao_speed = 1000000,
86 .caldac = { ad8804_debug },
87 }, {
88 /* specs incorrect! */
89 .name = "DAQCard-6036E",
90 .device_id = 0x0245,
91 .n_adchan = 16,
92 .ai_maxdata = 0xffff,
93 .ai_fifo_depth = 1024,
94 .alwaysdither = 1,
95 .gainlkup = ai_gain_4,
96 .ai_speed = 5000,
97 .n_aochan = 2,
98 .ao_maxdata = 0xffff,
99 .ao_range_table = &range_bipolar10,
100 .ao_speed = 1000000,
101 .caldac = { ad8804_debug },
102 },
103#if 0
104 {
105 .name = "DAQCard-6715",
106 .device_id = 0x0000, /* unknown */
107 .n_aochan = 8,
108 .ao_maxdata = 0x0fff,
109 .ao_671x = 8192,
110 .caldac = { mb88341, mb88341 },
111 },
112#endif
113};
114
115#include "ni_mio_common.c"
116
117static const void *ni_getboardtype(struct comedi_device *dev,
118 struct pcmcia_device *link)
119{
120 static const struct ni_board_struct *board;
121 int i;
122
123 for (i = 0; i < ARRAY_SIZE(ni_boards); i++) {
124 board = &ni_boards[i];
125 if (board->device_id == link->card_id)
126 return board;
127 }
128 return NULL;
129}
130
131static int mio_pcmcia_config_loop(struct pcmcia_device *p_dev, void *priv_data)
132{
133 int base, ret;
134
135 p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
136 p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_16;
137
138 for (base = 0x000; base < 0x400; base += 0x20) {
139 p_dev->resource[0]->start = base;
140 ret = pcmcia_request_io(p_dev);
141 if (!ret)
142 return 0;
143 }
144 return -ENODEV;
145}
146
147static int mio_cs_auto_attach(struct comedi_device *dev,
148 unsigned long context)
149{
150 struct pcmcia_device *link = comedi_to_pcmcia_dev(dev);
151 static const struct ni_board_struct *board;
152 int ret;
153
154 board = ni_getboardtype(dev, link);
155 if (!board)
156 return -ENODEV;
157 dev->board_ptr = board;
158 dev->board_name = board->name;
159
160 link->config_flags |= CONF_AUTO_SET_IO | CONF_ENABLE_IRQ;
161 ret = comedi_pcmcia_enable(dev, conf_check: mio_pcmcia_config_loop);
162 if (ret)
163 return ret;
164 dev->iobase = link->resource[0]->start;
165
166 link->priv = dev;
167 ret = pcmcia_request_irq(p_dev: link, handler: ni_E_interrupt);
168 if (ret)
169 return ret;
170 dev->irq = link->irq;
171
172 ret = ni_alloc_private(dev);
173 if (ret)
174 return ret;
175
176 return ni_E_init(dev, interrupt_pin: 0, irq_polarity: 1);
177}
178
179static void mio_cs_detach(struct comedi_device *dev)
180{
181 mio_common_detach(dev);
182 comedi_pcmcia_disable(dev);
183}
184
185static struct comedi_driver driver_ni_mio_cs = {
186 .driver_name = "ni_mio_cs",
187 .module = THIS_MODULE,
188 .auto_attach = mio_cs_auto_attach,
189 .detach = mio_cs_detach,
190};
191
192static int cs_attach(struct pcmcia_device *link)
193{
194 return comedi_pcmcia_auto_config(link, driver: &driver_ni_mio_cs);
195}
196
197static const struct pcmcia_device_id ni_mio_cs_ids[] = {
198 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x010d), /* DAQCard-ai-16xe-50 */
199 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x010c), /* DAQCard-ai-16e-4 */
200 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x02c4), /* DAQCard-6062E */
201 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x075e), /* DAQCard-6024E */
202 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x0245), /* DAQCard-6036E */
203 PCMCIA_DEVICE_NULL
204};
205MODULE_DEVICE_TABLE(pcmcia, ni_mio_cs_ids);
206
207static struct pcmcia_driver ni_mio_cs_driver = {
208 .name = "ni_mio_cs",
209 .owner = THIS_MODULE,
210 .id_table = ni_mio_cs_ids,
211 .probe = cs_attach,
212 .remove = comedi_pcmcia_auto_unconfig,
213};
214module_comedi_pcmcia_driver(driver_ni_mio_cs, ni_mio_cs_driver);
215
216MODULE_DESCRIPTION("Comedi driver for National Instruments DAQCard E series");
217MODULE_AUTHOR("David A. Schleef <ds@schleef.org>");
218MODULE_LICENSE("GPL");
219

source code of linux/drivers/comedi/drivers/ni_mio_cs.c