ni_mio_cs.c revision eb14120f743d29744d9475bffec56ff4ad43a749
1/* 2 comedi/drivers/ni_mio_cs.c 3 Hardware 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 This program is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 2 of the License, or 11 (at your option) any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program; if not, write to the Free Software 20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 22*/ 23/* 24Driver: ni_mio_cs 25Description: National Instruments DAQCard E series 26Author: ds 27Status: works 28Devices: [National Instruments] DAQCard-AI-16XE-50 (ni_mio_cs), 29 DAQCard-AI-16E-4, DAQCard-6062E, DAQCard-6024E, DAQCard-6036E 30Updated: Thu Oct 23 19:43:17 CDT 2003 31 32See the notes in the ni_atmio.o driver. 33*/ 34/* 35 The real guts of the driver is in ni_mio_common.c, which is 36 included by all the E series drivers. 37 38 References for specifications: 39 40 341080a.pdf DAQCard E Series Register Level Programmer Manual 41 42*/ 43 44#include "../comedidev.h" 45 46#include <linux/delay.h> 47 48#include "ni_stc.h" 49#include "8255.h" 50 51#include <pcmcia/cs_types.h> 52#include <pcmcia/cs.h> 53#include <pcmcia/cistpl.h> 54#include <pcmcia/ds.h> 55 56#undef DEBUG 57 58#define ATMIO 1 59#undef PCIMIO 60 61/* 62 * AT specific setup 63 */ 64 65#define NI_SIZE 0x20 66 67#define MAX_N_CALDACS 32 68 69static const struct ni_board_struct ni_boards[] = { 70 {.device_id = 0x010d, 71 .name = "DAQCard-ai-16xe-50", 72 .n_adchan = 16, 73 .adbits = 16, 74 .ai_fifo_depth = 1024, 75 .alwaysdither = 0, 76 .gainlkup = ai_gain_8, 77 .ai_speed = 5000, 78 .n_aochan = 0, 79 .aobits = 0, 80 .ao_fifo_depth = 0, 81 .ao_unipolar = 0, 82 .num_p0_dio_channels = 8, 83 .has_8255 = 0, 84 .caldac = {dac8800, dac8043}, 85 }, 86 {.device_id = 0x010c, 87 .name = "DAQCard-ai-16e-4", 88 .n_adchan = 16, 89 .adbits = 12, 90 .ai_fifo_depth = 1024, 91 .alwaysdither = 0, 92 .gainlkup = ai_gain_16, 93 .ai_speed = 4000, 94 .n_aochan = 0, 95 .aobits = 0, 96 .ao_fifo_depth = 0, 97 .ao_unipolar = 0, 98 .num_p0_dio_channels = 8, 99 .has_8255 = 0, 100 .caldac = {mb88341}, /* verified */ 101 }, 102 {.device_id = 0x02c4, 103 .name = "DAQCard-6062E", 104 .n_adchan = 16, 105 .adbits = 12, 106 .ai_fifo_depth = 8192, 107 .alwaysdither = 0, 108 .gainlkup = ai_gain_16, 109 .ai_speed = 2000, 110 .n_aochan = 2, 111 .aobits = 12, 112 .ao_fifo_depth = 2048, 113 .ao_range_table = &range_bipolar10, 114 .ao_unipolar = 0, 115 .ao_speed = 1176, 116 .num_p0_dio_channels = 8, 117 .has_8255 = 0, 118 .caldac = {ad8804_debug}, /* verified */ 119 }, 120 {.device_id = 0x075e, 121 .name = "DAQCard-6024E", /* specs incorrect! */ 122 .n_adchan = 16, 123 .adbits = 12, 124 .ai_fifo_depth = 1024, 125 .alwaysdither = 0, 126 .gainlkup = ai_gain_16, 127 .ai_speed = 5000, 128 .n_aochan = 2, 129 .aobits = 12, 130 .ao_fifo_depth = 0, 131 .ao_range_table = &range_bipolar10, 132 .ao_unipolar = 0, 133 .ao_speed = 1000000, 134 .num_p0_dio_channels = 8, 135 .has_8255 = 0, 136 .caldac = {ad8804_debug}, 137 }, 138 {.device_id = 0x0245, 139 .name = "DAQCard-6036E", /* specs incorrect! */ 140 .n_adchan = 16, 141 .adbits = 16, 142 .ai_fifo_depth = 1024, 143 .alwaysdither = 1, 144 .gainlkup = ai_gain_4, 145 .ai_speed = 5000, 146 .n_aochan = 2, 147 .aobits = 16, 148 .ao_fifo_depth = 0, 149 .ao_range_table = &range_bipolar10, 150 .ao_unipolar = 0, 151 .ao_speed = 1000000, 152 .num_p0_dio_channels = 8, 153 .has_8255 = 0, 154 .caldac = {ad8804_debug}, 155 }, 156#if 0 157 {.device_id = 0x0000, /* unknown */ 158 .name = "DAQCard-6715", 159 .n_adchan = 0, 160 .n_aochan = 8, 161 .aobits = 12, 162 .ao_671x = 8192, 163 .num_p0_dio_channels = 8, 164 .caldac = {mb88341, mb88341}, 165 }, 166#endif 167 /* N.B. Update ni_mio_cs_ids[] when entries added above. */ 168}; 169 170#define interrupt_pin(a) 0 171 172#define IRQ_POLARITY 1 173 174#define NI_E_IRQ_FLAGS IRQF_SHARED 175 176struct ni_private { 177 178 struct pcmcia_device *link; 179 180 NI_PRIVATE_COMMON}; 181 182#define devpriv ((struct ni_private *)dev->private) 183 184/* How we access registers */ 185 186#define ni_writel(a, b) (outl((a), (b)+dev->iobase)) 187#define ni_readl(a) (inl((a)+dev->iobase)) 188#define ni_writew(a, b) (outw((a), (b)+dev->iobase)) 189#define ni_readw(a) (inw((a)+dev->iobase)) 190#define ni_writeb(a, b) (outb((a), (b)+dev->iobase)) 191#define ni_readb(a) (inb((a)+dev->iobase)) 192 193/* How we access windowed registers */ 194 195/* We automatically take advantage of STC registers that can be 196 * read/written directly in the I/O space of the board. The 197 * DAQCard devices map the low 8 STC registers to iobase+addr*2. */ 198 199static void mio_cs_win_out(struct comedi_device *dev, uint16_t data, int addr) 200{ 201 unsigned long flags; 202 203 spin_lock_irqsave(&devpriv->window_lock, flags); 204 if (addr < 8) { 205 ni_writew(data, addr * 2); 206 } else { 207 ni_writew(addr, Window_Address); 208 ni_writew(data, Window_Data); 209 } 210 spin_unlock_irqrestore(&devpriv->window_lock, flags); 211} 212 213static uint16_t mio_cs_win_in(struct comedi_device *dev, int addr) 214{ 215 unsigned long flags; 216 uint16_t ret; 217 218 spin_lock_irqsave(&devpriv->window_lock, flags); 219 if (addr < 8) { 220 ret = ni_readw(addr * 2); 221 } else { 222 ni_writew(addr, Window_Address); 223 ret = ni_readw(Window_Data); 224 } 225 spin_unlock_irqrestore(&devpriv->window_lock, flags); 226 227 return ret; 228} 229 230static int mio_cs_attach(struct comedi_device *dev, 231 struct comedi_devconfig *it); 232static int mio_cs_detach(struct comedi_device *dev); 233static struct comedi_driver driver_ni_mio_cs = { 234 .driver_name = "ni_mio_cs", 235 .module = THIS_MODULE, 236 .attach = mio_cs_attach, 237 .detach = mio_cs_detach, 238}; 239 240#include "ni_mio_common.c" 241 242static int ni_getboardtype(struct comedi_device *dev, 243 struct pcmcia_device *link); 244 245/* clean up allocated resources */ 246/* called when driver is removed */ 247static int mio_cs_detach(struct comedi_device *dev) 248{ 249 mio_common_detach(dev); 250 251 /* PCMCIA layer frees the IO region */ 252 253 if (dev->irq) 254 free_irq(dev->irq, dev); 255 256 return 0; 257} 258 259static void mio_cs_config(struct pcmcia_device *link); 260static void cs_release(struct pcmcia_device *link); 261static void cs_detach(struct pcmcia_device *); 262 263static struct pcmcia_device *cur_dev = NULL; 264static const dev_info_t dev_info = "ni_mio_cs"; 265static dev_node_t dev_node = { 266 "ni_mio_cs", 267 COMEDI_MAJOR, 0, 268 NULL 269}; 270 271static int cs_attach(struct pcmcia_device *link) 272{ 273 link->io.Attributes1 = IO_DATA_PATH_WIDTH_16; 274 link->io.NumPorts1 = 16; 275 link->conf.Attributes = CONF_ENABLE_IRQ; 276 link->conf.IntType = INT_MEMORY_AND_IO; 277 278 cur_dev = link; 279 280 mio_cs_config(link); 281 282 return 0; 283} 284 285static void cs_release(struct pcmcia_device *link) 286{ 287 pcmcia_disable_device(link); 288} 289 290static void cs_detach(struct pcmcia_device *link) 291{ 292 DPRINTK("cs_detach(link=%p)\n", link); 293 294 if (link->dev_node) 295 cs_release(link); 296} 297 298static int mio_cs_suspend(struct pcmcia_device *link) 299{ 300 DPRINTK("pm suspend\n"); 301 302 return 0; 303} 304 305static int mio_cs_resume(struct pcmcia_device *link) 306{ 307 DPRINTK("pm resume\n"); 308 return 0; 309} 310 311 312static int mio_pcmcia_config_loop(struct pcmcia_device *p_dev, 313 cistpl_cftable_entry_t *cfg, 314 cistpl_cftable_entry_t *dflt, 315 unsigned int vcc, 316 void *priv_data) 317{ 318 int base, ret; 319 320 p_dev->io.NumPorts1 = cfg->io.win[0].len; 321 p_dev->io.IOAddrLines = cfg->io.flags & CISTPL_IO_LINES_MASK; 322 p_dev->io.NumPorts2 = 0; 323 324 for (base = 0x000; base < 0x400; base += 0x20) { 325 p_dev->io.BasePort1 = base; 326 ret = pcmcia_request_io(p_dev, &p_dev->io); 327 if (!ret) 328 return 0; 329 } 330 return -ENODEV; 331} 332 333 334static void mio_cs_config(struct pcmcia_device *link) 335{ 336 int ret; 337 338 DPRINTK("mio_cs_config(link=%p)\n", link); 339 340 ret = pcmcia_loop_config(link, mio_pcmcia_config_loop, NULL); 341 if (ret) { 342 dev_warn(&link->dev, "no configuration found\n"); 343 return; 344 } 345 346 if (!link->irq) 347 dev_info(&link->dev, "no IRQ available\n"); 348 349 ret = pcmcia_request_configuration(link, &link->conf); 350 351 link->dev_node = &dev_node; 352} 353 354static int mio_cs_attach(struct comedi_device *dev, struct comedi_devconfig *it) 355{ 356 struct pcmcia_device *link; 357 unsigned int irq; 358 int ret; 359 360 DPRINTK("mio_cs_attach(dev=%p,it=%p)\n", dev, it); 361 362 link = cur_dev; /* XXX hack */ 363 if (!link) 364 return -EIO; 365 366 dev->driver = &driver_ni_mio_cs; 367 dev->iobase = link->io.BasePort1; 368 369 irq = link->irq; 370 371 printk("comedi%d: %s: DAQCard: io 0x%04lx, irq %u, ", 372 dev->minor, dev->driver->driver_name, dev->iobase, irq); 373 374#if 0 375 { 376 int i; 377 378 printk(" board fingerprint:"); 379 for (i = 0; i < 32; i += 2) { 380 printk(" %04x %02x", inw(dev->iobase + i), 381 inb(dev->iobase + i + 1)); 382 } 383 printk("\n"); 384 printk(" board fingerprint (windowed):"); 385 for (i = 0; i < 10; i++) 386 printk(" 0x%04x", win_in(i)); 387 printk("\n"); 388 } 389#endif 390 391 dev->board_ptr = ni_boards + ni_getboardtype(dev, link); 392 393 printk(" %s", boardtype.name); 394 dev->board_name = boardtype.name; 395 396 ret = request_irq(irq, ni_E_interrupt, NI_E_IRQ_FLAGS, 397 "ni_mio_cs", dev); 398 if (ret < 0) { 399 printk(" irq not available\n"); 400 return -EINVAL; 401 } 402 dev->irq = irq; 403 404 /* allocate private area */ 405 ret = ni_alloc_private(dev); 406 if (ret < 0) 407 return ret; 408 409 devpriv->stc_writew = &mio_cs_win_out; 410 devpriv->stc_readw = &mio_cs_win_in; 411 devpriv->stc_writel = &win_out2; 412 devpriv->stc_readl = &win_in2; 413 414 ret = ni_E_init(dev, it); 415 416 if (ret < 0) 417 return ret; 418 419 return 0; 420} 421 422static int ni_getboardtype(struct comedi_device *dev, 423 struct pcmcia_device *link) 424{ 425 int i; 426 427 for (i = 0; i < n_ni_boards; i++) { 428 if (ni_boards[i].device_id == link->card_id) 429 return i; 430 } 431 432 printk("unknown board 0x%04x -- pretend it is a ", link->card_id); 433 434 return 0; 435} 436 437#ifdef MODULE 438 439MODULE_LICENSE("GPL"); 440 441static struct pcmcia_device_id ni_mio_cs_ids[] = { 442 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x010d), /* DAQCard-ai-16xe-50 */ 443 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x010c), /* DAQCard-ai-16e-4 */ 444 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x02c4), /* DAQCard-6062E */ 445 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x075e), /* DAQCard-6024E */ 446 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x0245), /* DAQCard-6036E */ 447 PCMCIA_DEVICE_NULL 448}; 449 450MODULE_DEVICE_TABLE(pcmcia, ni_mio_cs_ids); 451 452struct pcmcia_driver ni_mio_cs_driver = { 453 .probe = &cs_attach, 454 .remove = &cs_detach, 455 .suspend = &mio_cs_suspend, 456 .resume = &mio_cs_resume, 457 .id_table = ni_mio_cs_ids, 458 .owner = THIS_MODULE, 459 .drv = { 460 .name = dev_info, 461 }, 462}; 463 464int init_module(void) 465{ 466 pcmcia_register_driver(&ni_mio_cs_driver); 467 comedi_driver_register(&driver_ni_mio_cs); 468 return 0; 469} 470 471void cleanup_module(void) 472{ 473 pcmcia_unregister_driver(&ni_mio_cs_driver); 474#if 0 475 while (cur_dev != NULL) 476 cs_detach(cur_dev->handle); 477#endif 478 comedi_driver_unregister(&driver_ni_mio_cs); 479} 480#endif 481