Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 | /*
comedi/drivers/ni_mio_cs.c
Hardware driver for NI PCMCIA MIO E series cards
COMEDI - Linux Control and Measurement Device Interface
Copyright (C) 1997-2000 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.
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
Driver: ni_mio_cs
Description: National Instruments DAQCard E series
Author: ds
Status: works
Devices: [National Instruments] DAQCard-AI-16XE-50 (ni_mio_cs),
DAQCard-AI-16E-4, DAQCard-6062E, DAQCard-6024E, DAQCard-6036E
Updated: Thu Oct 23 19:43:17 CDT 2003
See the notes in the ni_atmio.o driver.
*/
/*
The real guts of the driver is in ni_mio_common.c, which is
included by all the E series drivers.
References for specifications:
341080a.pdf DAQCard E Series Register Level Programmer Manual
*/
#include "../comedidev.h"
#include <linux/delay.h>
#include "ni_stc.h"
#include "8255.h"
#include <pcmcia/cistpl.h>
#include <pcmcia/ds.h>
#undef DEBUG
#define ATMIO 1
#undef PCIMIO
/*
* AT specific setup
*/
#define NI_SIZE 0x20
#define MAX_N_CALDACS 32
static const struct ni_board_struct ni_boards[] = {
{
.device_id = 0x010d,
.name = "DAQCard-ai-16xe-50",
.n_adchan = 16,
.adbits = 16,
.ai_fifo_depth = 1024,
.gainlkup = ai_gain_8,
.ai_speed = 5000,
.num_p0_dio_channels = 8,
.caldac = { dac8800, dac8043 },
}, {
.device_id = 0x010c,
.name = "DAQCard-ai-16e-4",
.n_adchan = 16,
.adbits = 12,
.ai_fifo_depth = 1024,
.gainlkup = ai_gain_16,
.ai_speed = 4000,
.num_p0_dio_channels = 8,
.caldac = { mb88341 }, /* verified */
}, {
.device_id = 0x02c4,
.name = "DAQCard-6062E",
.n_adchan = 16,
.adbits = 12,
.ai_fifo_depth = 8192,
.gainlkup = ai_gain_16,
.ai_speed = 2000,
.n_aochan = 2,
.aobits = 12,
.ao_fifo_depth = 2048,
.ao_range_table = &range_bipolar10,
.ao_speed = 1176,
.num_p0_dio_channels = 8,
.caldac = { ad8804_debug }, /* verified */
}, {
/* specs incorrect! */
.device_id = 0x075e,
.name = "DAQCard-6024E",
.n_adchan = 16,
.adbits = 12,
.ai_fifo_depth = 1024,
.gainlkup = ai_gain_4,
.ai_speed = 5000,
.n_aochan = 2,
.aobits = 12,
.ao_range_table = &range_bipolar10,
.ao_speed = 1000000,
.num_p0_dio_channels = 8,
.caldac = { ad8804_debug },
}, {
/* specs incorrect! */
.device_id = 0x0245,
.name = "DAQCard-6036E",
.n_adchan = 16,
.adbits = 16,
.ai_fifo_depth = 1024,
.alwaysdither = 1,
.gainlkup = ai_gain_4,
.ai_speed = 5000,
.n_aochan = 2,
.aobits = 16,
.ao_range_table = &range_bipolar10,
.ao_speed = 1000000,
.num_p0_dio_channels = 8,
.caldac = { ad8804_debug },
},
#if 0
{
.device_id = 0x0000, /* unknown */
.name = "DAQCard-6715",
.n_aochan = 8,
.aobits = 12,
.ao_671x = 8192,
.num_p0_dio_channels = 8,
.caldac = { mb88341, mb88341 },
},
#endif
};
#define interrupt_pin(a) 0
#define IRQ_POLARITY 1
struct ni_private {
struct pcmcia_device *link;
NI_PRIVATE_COMMON};
/* How we access registers */
#define ni_writel(a, b) (outl((a), (b)+dev->iobase))
#define ni_readl(a) (inl((a)+dev->iobase))
#define ni_writew(a, b) (outw((a), (b)+dev->iobase))
#define ni_readw(a) (inw((a)+dev->iobase))
#define ni_writeb(a, b) (outb((a), (b)+dev->iobase))
#define ni_readb(a) (inb((a)+dev->iobase))
/* How we access windowed registers */
/* We automatically take advantage of STC registers that can be
* read/written directly in the I/O space of the board. The
* DAQCard devices map the low 8 STC registers to iobase+addr*2. */
static void mio_cs_win_out(struct comedi_device *dev, uint16_t data, int addr)
{
struct ni_private *devpriv = dev->private;
unsigned long flags;
spin_lock_irqsave(&devpriv->window_lock, flags);
if (addr < 8) {
ni_writew(data, addr * 2);
} else {
ni_writew(addr, Window_Address);
ni_writew(data, Window_Data);
}
spin_unlock_irqrestore(&devpriv->window_lock, flags);
}
static uint16_t mio_cs_win_in(struct comedi_device *dev, int addr)
{
struct ni_private *devpriv = dev->private;
unsigned long flags;
uint16_t ret;
spin_lock_irqsave(&devpriv->window_lock, flags);
if (addr < 8) {
ret = ni_readw(addr * 2);
} else {
ni_writew(addr, Window_Address);
ret = ni_readw(Window_Data);
}
spin_unlock_irqrestore(&devpriv->window_lock, flags);
return ret;
}
#include "ni_mio_common.c"
static const void *ni_getboardtype(struct comedi_device *dev,
struct pcmcia_device *link)
{
static const struct ni_board_struct *board;
int i;
for (i = 0; i < ARRAY_SIZE(ni_boards); i++) {
board = &ni_boards[i];
if (board->device_id == link->card_id)
return board;
}
return NULL;
}
static int mio_pcmcia_config_loop(struct pcmcia_device *p_dev, void *priv_data)
{
int base, ret;
p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_16;
for (base = 0x000; base < 0x400; base += 0x20) {
p_dev->resource[0]->start = base;
ret = pcmcia_request_io(p_dev);
if (!ret)
return 0;
}
return -ENODEV;
}
static int mio_cs_auto_attach(struct comedi_device *dev,
unsigned long context)
{
struct pcmcia_device *link = comedi_to_pcmcia_dev(dev);
static const struct ni_board_struct *board;
struct ni_private *devpriv;
int ret;
board = ni_getboardtype(dev, link);
if (!board)
return -ENODEV;
dev->board_ptr = board;
dev->board_name = board->name;
link->config_flags |= CONF_AUTO_SET_IO | CONF_ENABLE_IRQ;
ret = comedi_pcmcia_enable(dev, mio_pcmcia_config_loop);
if (ret)
return ret;
dev->iobase = link->resource[0]->start;
link->priv = dev;
ret = pcmcia_request_irq(link, ni_E_interrupt);
if (ret)
return ret;
dev->irq = link->irq;
ret = ni_alloc_private(dev);
if (ret)
return ret;
devpriv = dev->private;
devpriv->stc_writew = mio_cs_win_out;
devpriv->stc_readw = mio_cs_win_in;
devpriv->stc_writel = win_out2;
devpriv->stc_readl = win_in2;
return ni_E_init(dev);
}
static void mio_cs_detach(struct comedi_device *dev)
{
mio_common_detach(dev);
comedi_pcmcia_disable(dev);
}
static struct comedi_driver driver_ni_mio_cs = {
.driver_name = "ni_mio_cs",
.module = THIS_MODULE,
.auto_attach = mio_cs_auto_attach,
.detach = mio_cs_detach,
};
static int cs_attach(struct pcmcia_device *link)
{
return comedi_pcmcia_auto_config(link, &driver_ni_mio_cs);
}
static const struct pcmcia_device_id ni_mio_cs_ids[] = {
PCMCIA_DEVICE_MANF_CARD(0x010b, 0x010d), /* DAQCard-ai-16xe-50 */
PCMCIA_DEVICE_MANF_CARD(0x010b, 0x010c), /* DAQCard-ai-16e-4 */
PCMCIA_DEVICE_MANF_CARD(0x010b, 0x02c4), /* DAQCard-6062E */
PCMCIA_DEVICE_MANF_CARD(0x010b, 0x075e), /* DAQCard-6024E */
PCMCIA_DEVICE_MANF_CARD(0x010b, 0x0245), /* DAQCard-6036E */
PCMCIA_DEVICE_NULL
};
MODULE_DEVICE_TABLE(pcmcia, ni_mio_cs_ids);
static struct pcmcia_driver ni_mio_cs_driver = {
.name = "ni_mio_cs",
.owner = THIS_MODULE,
.id_table = ni_mio_cs_ids,
.probe = cs_attach,
.remove = comedi_pcmcia_auto_unconfig,
};
module_comedi_pcmcia_driver(driver_ni_mio_cs, ni_mio_cs_driver);
MODULE_DESCRIPTION("Comedi driver for National Instruments DAQCard E series");
MODULE_AUTHOR("David A. Schleef <ds@schleef.org>");
MODULE_LICENSE("GPL");
|