ni_daq_700.c revision 3d1c28848ea37bf117940e10826f7a485aa32337
1/* 2 * comedi/drivers/ni_daq_700.c 3 * Driver for DAQCard-700 DIO only 4 * copied from 8255 5 * 6 * COMEDI - Linux Control and Measurement Device Interface 7 * Copyright (C) 1998 David A. Schleef <ds@schleef.org> 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 22 * 23 */ 24 25/* 26Driver: ni_daq_700 27Description: National Instruments PCMCIA DAQCard-700 DIO only 28Author: Fred Brooks <nsaspook@nsaspook.com>, 29 based on ni_daq_dio24 by Daniel Vecino Castel <dvecino@able.es> 30Devices: [National Instruments] PCMCIA DAQ-Card-700 (ni_daq_700) 31Status: works 32Updated: Thu, 21 Feb 2008 12:07:20 +0000 33 34The daqcard-700 appears in Comedi as a single digital I/O subdevice with 3516 channels. The channel 0 corresponds to the daqcard-700's output 36port, bit 0; channel 8 corresponds to the input port, bit 0. 37 38Direction configuration: channels 0-7 output, 8-15 input (8225 device 39emu as port A output, port B input, port C N/A). 40 41IRQ is assigned but not used. 42*/ 43 44#include <linux/interrupt.h> 45#include "../comedidev.h" 46 47#include <linux/ioport.h> 48 49#include <pcmcia/cs_types.h> 50#include <pcmcia/cs.h> 51#include <pcmcia/cistpl.h> 52#include <pcmcia/cisreg.h> 53#include <pcmcia/ds.h> 54 55static struct pcmcia_device *pcmcia_cur_dev = NULL; 56 57#define DIO700_SIZE 8 /* size of io region used by board */ 58 59static int dio700_attach(struct comedi_device *dev, 60 struct comedi_devconfig *it); 61static int dio700_detach(struct comedi_device *dev); 62 63enum dio700_bustype { pcmcia_bustype }; 64 65struct dio700_board { 66 const char *name; 67 int device_id; /* device id for pcmcia board */ 68 enum dio700_bustype bustype; /* PCMCIA */ 69 int have_dio; /* have daqcard-700 dio */ 70 /* function pointers so we can use inb/outb or readb/writeb */ 71 /* as appropriate */ 72 unsigned int (*read_byte) (unsigned int address); 73 void (*write_byte) (unsigned int byte, unsigned int address); 74}; 75 76static const struct dio700_board dio700_boards[] = { 77 { 78 .name = "daqcard-700", 79 .device_id = 0x4743, /* 0x10b is manufacturer id, 0x4743 is device id */ 80 .bustype = pcmcia_bustype, 81 .have_dio = 1, 82 }, 83 { 84 .name = "ni_daq_700", 85 .device_id = 0x4743, /* 0x10b is manufacturer id, 0x4743 is device id */ 86 .bustype = pcmcia_bustype, 87 .have_dio = 1, 88 }, 89}; 90 91/* 92 * Useful for shorthand access to the particular board structure 93 */ 94#define thisboard ((const struct dio700_board *)dev->board_ptr) 95 96struct dio700_private { 97 98 int data; /* number of data points left to be taken */ 99}; 100 101#define devpriv ((struct dio700_private *)dev->private) 102 103static struct comedi_driver driver_dio700 = { 104 .driver_name = "ni_daq_700", 105 .module = THIS_MODULE, 106 .attach = dio700_attach, 107 .detach = dio700_detach, 108 .num_names = ARRAY_SIZE(dio700_boards), 109 .board_name = &dio700_boards[0].name, 110 .offset = sizeof(struct dio700_board), 111}; 112 113/* the real driver routines */ 114 115#define _700_SIZE 8 116 117#define _700_DATA 0 118 119#define DIO_W 0x04 120#define DIO_R 0x05 121 122struct subdev_700_struct { 123 unsigned long cb_arg; 124 int (*cb_func) (int, int, int, unsigned long); 125 int have_irq; 126}; 127 128#define CALLBACK_ARG (((struct subdev_700_struct *)s->private)->cb_arg) 129#define CALLBACK_FUNC (((struct subdev_700_struct *)s->private)->cb_func) 130#define subdevpriv ((struct subdev_700_struct *)s->private) 131 132static void do_config(struct comedi_device *dev, struct comedi_subdevice *s); 133 134void subdev_700_interrupt(struct comedi_device *dev, struct comedi_subdevice *s) 135{ 136 short d; 137 138 d = CALLBACK_FUNC(0, _700_DATA, 0, CALLBACK_ARG); 139 140 comedi_buf_put(s->async, d); 141 s->async->events |= COMEDI_CB_EOS; 142 143 comedi_event(dev, s); 144} 145 146static int subdev_700_cb(int dir, int port, int data, unsigned long arg) 147{ 148 /* port is always A for output and B for input (8255 emu) */ 149 unsigned long iobase = arg; 150 151 if (dir) { 152 outb(data, iobase + DIO_W); 153 return 0; 154 } else { 155 return inb(iobase + DIO_R); 156 } 157} 158 159static int subdev_700_insn(struct comedi_device *dev, 160 struct comedi_subdevice *s, struct comedi_insn *insn, 161 unsigned int *data) 162{ 163 if (data[0]) { 164 s->state &= ~data[0]; 165 s->state |= (data[0] & data[1]); 166 167 if (data[0] & 0xff) 168 CALLBACK_FUNC(1, _700_DATA, s->state & 0xff, 169 CALLBACK_ARG); 170 } 171 172 data[1] = s->state & 0xff; 173 data[1] |= CALLBACK_FUNC(0, _700_DATA, 0, CALLBACK_ARG) << 8; 174 175 return 2; 176} 177 178static int subdev_700_insn_config(struct comedi_device *dev, 179 struct comedi_subdevice *s, 180 struct comedi_insn *insn, unsigned int *data) 181{ 182 183 switch (data[0]) { 184 case INSN_CONFIG_DIO_INPUT: 185 break; 186 case INSN_CONFIG_DIO_OUTPUT: 187 break; 188 case INSN_CONFIG_DIO_QUERY: 189 data[1] = 190 (s-> 191 io_bits & (1 << CR_CHAN(insn->chanspec))) ? COMEDI_OUTPUT : 192 COMEDI_INPUT; 193 return insn->n; 194 break; 195 default: 196 return -EINVAL; 197 } 198 199 return 1; 200} 201 202static void do_config(struct comedi_device *dev, struct comedi_subdevice *s) 203{ /* use powerup defaults */ 204 return; 205} 206 207static int subdev_700_cmdtest(struct comedi_device *dev, 208 struct comedi_subdevice *s, 209 struct comedi_cmd *cmd) 210{ 211 int err = 0; 212 unsigned int tmp; 213 214 /* step 1 */ 215 216 tmp = cmd->start_src; 217 cmd->start_src &= TRIG_NOW; 218 if (!cmd->start_src || tmp != cmd->start_src) 219 err++; 220 221 tmp = cmd->scan_begin_src; 222 cmd->scan_begin_src &= TRIG_EXT; 223 if (!cmd->scan_begin_src || tmp != cmd->scan_begin_src) 224 err++; 225 226 tmp = cmd->convert_src; 227 cmd->convert_src &= TRIG_FOLLOW; 228 if (!cmd->convert_src || tmp != cmd->convert_src) 229 err++; 230 231 tmp = cmd->scan_end_src; 232 cmd->scan_end_src &= TRIG_COUNT; 233 if (!cmd->scan_end_src || tmp != cmd->scan_end_src) 234 err++; 235 236 tmp = cmd->stop_src; 237 cmd->stop_src &= TRIG_NONE; 238 if (!cmd->stop_src || tmp != cmd->stop_src) 239 err++; 240 241 if (err) 242 return 1; 243 244 /* step 2 */ 245 246 if (err) 247 return 2; 248 249 /* step 3 */ 250 251 if (cmd->start_arg != 0) { 252 cmd->start_arg = 0; 253 err++; 254 } 255 if (cmd->scan_begin_arg != 0) { 256 cmd->scan_begin_arg = 0; 257 err++; 258 } 259 if (cmd->convert_arg != 0) { 260 cmd->convert_arg = 0; 261 err++; 262 } 263 if (cmd->scan_end_arg != 1) { 264 cmd->scan_end_arg = 1; 265 err++; 266 } 267 if (cmd->stop_arg != 0) { 268 cmd->stop_arg = 0; 269 err++; 270 } 271 272 if (err) 273 return 3; 274 275 /* step 4 */ 276 277 if (err) 278 return 4; 279 280 return 0; 281} 282 283static int subdev_700_cmd(struct comedi_device *dev, struct comedi_subdevice *s) 284{ 285 /* FIXME */ 286 287 return 0; 288} 289 290static int subdev_700_cancel(struct comedi_device *dev, 291 struct comedi_subdevice *s) 292{ 293 /* FIXME */ 294 295 return 0; 296} 297 298int subdev_700_init(struct comedi_device *dev, struct comedi_subdevice *s, 299 int (*cb) (int, int, int, unsigned long), unsigned long arg) 300{ 301 s->type = COMEDI_SUBD_DIO; 302 s->subdev_flags = SDF_READABLE | SDF_WRITABLE; 303 s->n_chan = 16; 304 s->range_table = &range_digital; 305 s->maxdata = 1; 306 307 s->private = kmalloc(sizeof(struct subdev_700_struct), GFP_KERNEL); 308 if (!s->private) 309 return -ENOMEM; 310 311 CALLBACK_ARG = arg; 312 if (cb == NULL) { 313 CALLBACK_FUNC = subdev_700_cb; 314 } else { 315 CALLBACK_FUNC = cb; 316 } 317 s->insn_bits = subdev_700_insn; 318 s->insn_config = subdev_700_insn_config; 319 320 s->state = 0; 321 s->io_bits = 0x00ff; 322 do_config(dev, s); 323 324 return 0; 325} 326 327int subdev_700_init_irq(struct comedi_device *dev, struct comedi_subdevice *s, 328 int (*cb) (int, int, int, unsigned long), 329 unsigned long arg) 330{ 331 int ret; 332 333 ret = subdev_700_init(dev, s, cb, arg); 334 if (ret < 0) 335 return ret; 336 337 s->do_cmdtest = subdev_700_cmdtest; 338 s->do_cmd = subdev_700_cmd; 339 s->cancel = subdev_700_cancel; 340 341 subdevpriv->have_irq = 1; 342 343 return 0; 344} 345 346void subdev_700_cleanup(struct comedi_device *dev, struct comedi_subdevice *s) 347{ 348 if (s->private) { 349 if (subdevpriv->have_irq) { 350 } 351 352 kfree(s->private); 353 } 354} 355 356EXPORT_SYMBOL(subdev_700_init); 357EXPORT_SYMBOL(subdev_700_init_irq); 358EXPORT_SYMBOL(subdev_700_cleanup); 359EXPORT_SYMBOL(subdev_700_interrupt); 360 361static int dio700_attach(struct comedi_device *dev, struct comedi_devconfig *it) 362{ 363 struct comedi_subdevice *s; 364 unsigned long iobase = 0; 365#ifdef incomplete 366 unsigned int irq = 0; 367#endif 368 struct pcmcia_device *link; 369 370 /* allocate and initialize dev->private */ 371 if (alloc_private(dev, sizeof(struct dio700_private)) < 0) 372 return -ENOMEM; 373 374 /* get base address, irq etc. based on bustype */ 375 switch (thisboard->bustype) { 376 case pcmcia_bustype: 377 link = pcmcia_cur_dev; /* XXX hack */ 378 if (!link) 379 return -EIO; 380 iobase = link->io.BasePort1; 381#ifdef incomplete 382 irq = link->irq.AssignedIRQ; 383#endif 384 break; 385 default: 386 printk("bug! couldn't determine board type\n"); 387 return -EINVAL; 388 break; 389 } 390 printk("comedi%d: ni_daq_700: %s, io 0x%lx", dev->minor, 391 thisboard->name, iobase); 392#ifdef incomplete 393 if (irq) { 394 printk(", irq %u", irq); 395 } 396#endif 397 398 printk("\n"); 399 400 if (iobase == 0) { 401 printk("io base address is zero!\n"); 402 return -EINVAL; 403 } 404 405 dev->iobase = iobase; 406 407#ifdef incomplete 408 /* grab our IRQ */ 409 dev->irq = irq; 410#endif 411 412 dev->board_name = thisboard->name; 413 414 if (alloc_subdevices(dev, 1) < 0) 415 return -ENOMEM; 416 417 /* DAQCard-700 dio */ 418 s = dev->subdevices + 0; 419 subdev_700_init(dev, s, NULL, dev->iobase); 420 421 return 0; 422}; 423 424static int dio700_detach(struct comedi_device *dev) 425{ 426 printk("comedi%d: ni_daq_700: cs-remove\n", dev->minor); 427 428 if (dev->subdevices) 429 subdev_700_cleanup(dev, dev->subdevices + 0); 430 431 if (thisboard->bustype != pcmcia_bustype && dev->iobase) 432 release_region(dev->iobase, DIO700_SIZE); 433 if (dev->irq) 434 free_irq(dev->irq, dev); 435 436 return 0; 437}; 438 439/* PCMCIA crap */ 440 441/* 442 All the PCMCIA modules use PCMCIA_DEBUG to control debugging. If 443 you do not define PCMCIA_DEBUG at all, all the debug code will be 444 left out. If you compile with PCMCIA_DEBUG=0, the debug code will 445 be present but disabled -- but it can then be enabled for specific 446 modules at load time with a 'pc_debug=#' option to insmod. 447*/ 448#ifdef PCMCIA_DEBUG 449static int pc_debug = PCMCIA_DEBUG; 450module_param(pc_debug, int, 0644); 451#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args) 452static char *version = "ni_daq_700.c, based on dummy_cs.c"; 453#else 454#define DEBUG(n, args...) 455#endif 456 457/*====================================================================*/ 458 459static void dio700_config(struct pcmcia_device *link); 460static void dio700_release(struct pcmcia_device *link); 461static int dio700_cs_suspend(struct pcmcia_device *p_dev); 462static int dio700_cs_resume(struct pcmcia_device *p_dev); 463 464/* 465 The attach() and detach() entry points are used to create and destroy 466 "instances" of the driver, where each instance represents everything 467 needed to manage one actual PCMCIA card. 468*/ 469 470static int dio700_cs_attach(struct pcmcia_device *); 471static void dio700_cs_detach(struct pcmcia_device *); 472 473/* 474 You'll also need to prototype all the functions that will actually 475 be used to talk to your device. See 'memory_cs' for a good example 476 of a fully self-sufficient driver; the other drivers rely more or 477 less on other parts of the kernel. 478*/ 479 480/* 481 The dev_info variable is the "key" that is used to match up this 482 device driver with appropriate cards, through the card configuration 483 database. 484*/ 485 486static const dev_info_t dev_info = "ni_daq_700"; 487 488struct local_info_t { 489 struct pcmcia_device *link; 490 dev_node_t node; 491 int stop; 492 struct bus_operations *bus; 493}; 494 495/*====================================================================== 496 497 dio700_cs_attach() creates an "instance" of the driver, allocating 498 local data structures for one device. The device is registered 499 with Card Services. 500 501 The dev_link structure is initialized, but we don't actually 502 configure the card at this point -- we wait until we receive a 503 card insertion event. 504 505======================================================================*/ 506 507static int dio700_cs_attach(struct pcmcia_device *link) 508{ 509 struct local_info_t *local; 510 511 printk(KERN_INFO "ni_daq_700: cs-attach\n"); 512 513 DEBUG(0, "dio700_cs_attach()\n"); 514 515 /* Allocate space for private device-specific data */ 516 local = kzalloc(sizeof(struct local_info_t), GFP_KERNEL); 517 if (!local) 518 return -ENOMEM; 519 local->link = link; 520 link->priv = local; 521 522 /* Interrupt setup */ 523 link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING; 524 link->irq.IRQInfo1 = IRQ_LEVEL_ID; 525 link->irq.Handler = NULL; 526 527 /* 528 General socket configuration defaults can go here. In this 529 client, we assume very little, and rely on the CIS for almost 530 everything. In most clients, many details (i.e., number, sizes, 531 and attributes of IO windows) are fixed by the nature of the 532 device, and can be hard-wired here. 533 */ 534 link->conf.Attributes = 0; 535 link->conf.IntType = INT_MEMORY_AND_IO; 536 537 pcmcia_cur_dev = link; 538 539 dio700_config(link); 540 541 return 0; 542} /* dio700_cs_attach */ 543 544/*====================================================================== 545 546 This deletes a driver "instance". The device is de-registered 547 with Card Services. If it has been released, all local data 548 structures are freed. Otherwise, the structures will be freed 549 when the device is released. 550 551======================================================================*/ 552 553static void dio700_cs_detach(struct pcmcia_device *link) 554{ 555 556 printk(KERN_INFO "ni_daq_700: cs-detach!\n"); 557 558 DEBUG(0, "dio700_cs_detach(0x%p)\n", link); 559 560 if (link->dev_node) { 561 ((struct local_info_t *)link->priv)->stop = 1; 562 dio700_release(link); 563 } 564 565 /* This points to the parent struct local_info_t struct */ 566 if (link->priv) 567 kfree(link->priv); 568 569} /* dio700_cs_detach */ 570 571/*====================================================================== 572 573 dio700_config() is scheduled to run after a CARD_INSERTION event 574 is received, to configure the PCMCIA socket, and to make the 575 device available to the system. 576 577======================================================================*/ 578 579static void dio700_config(struct pcmcia_device *link) 580{ 581 struct local_info_t *dev = link->priv; 582 tuple_t tuple; 583 cisparse_t parse; 584 int last_ret; 585 u_char buf[64]; 586 win_req_t req; 587 memreq_t map; 588 cistpl_cftable_entry_t dflt = { 0 }; 589 590 printk(KERN_INFO "ni_daq_700: cs-config\n"); 591 592 DEBUG(0, "dio700_config(0x%p)\n", link); 593 594 /* 595 This reads the card's CONFIG tuple to find its configuration 596 registers. 597 */ 598 tuple.DesiredTuple = CISTPL_CONFIG; 599 tuple.Attributes = 0; 600 tuple.TupleData = buf; 601 tuple.TupleDataMax = sizeof(buf); 602 tuple.TupleOffset = 0; 603 604 last_ret = pcmcia_get_first_tuple(link, &tuple); 605 if (last_ret) { 606 cs_error(link, GetFirstTuple, last_ret); 607 goto cs_failed; 608 } 609 610 last_ret = pcmcia_get_tuple_data(link, &tuple); 611 if (last_ret) { 612 cs_error(link, GetTupleData, last_ret); 613 goto cs_failed; 614 } 615 616 last_ret = pcmcia_parse_tuple(&tuple, &parse); 617 if (last_ret) { 618 cs_error(link, ParseTuple, last_ret); 619 goto cs_failed; 620 } 621 link->conf.ConfigBase = parse.config.base; 622 link->conf.Present = parse.config.rmask[0]; 623 624 /* 625 In this loop, we scan the CIS for configuration table entries, 626 each of which describes a valid card configuration, including 627 voltage, IO window, memory window, and interrupt settings. 628 629 We make no assumptions about the card to be configured: we use 630 just the information available in the CIS. In an ideal world, 631 this would work for any PCMCIA card, but it requires a complete 632 and accurate CIS. In practice, a driver usually "knows" most of 633 these things without consulting the CIS, and most client drivers 634 will only use the CIS to fill in implementation-defined details. 635 */ 636 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; 637 last_ret = pcmcia_get_first_tuple(link, &tuple); 638 if (last_ret != 0) { 639 cs_error(link, GetFirstTuple, last_ret); 640 goto cs_failed; 641 } 642 while (1) { 643 cistpl_cftable_entry_t *cfg = &(parse.cftable_entry); 644 if (pcmcia_get_tuple_data(link, &tuple) != 0) 645 goto next_entry; 646 if (pcmcia_parse_tuple(&tuple, &parse) != 0) 647 goto next_entry; 648 649 if (cfg->flags & CISTPL_CFTABLE_DEFAULT) 650 dflt = *cfg; 651 if (cfg->index == 0) 652 goto next_entry; 653 link->conf.ConfigIndex = cfg->index; 654 655 /* Does this card need audio output? */ 656 if (cfg->flags & CISTPL_CFTABLE_AUDIO) { 657 link->conf.Attributes |= CONF_ENABLE_SPKR; 658 link->conf.Status = CCSR_AUDIO_ENA; 659 } 660 661 /* Do we need to allocate an interrupt? */ 662 if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1) 663 link->conf.Attributes |= CONF_ENABLE_IRQ; 664 665 /* IO window settings */ 666 link->io.NumPorts1 = link->io.NumPorts2 = 0; 667 if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) { 668 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io; 669 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; 670 if (!(io->flags & CISTPL_IO_8BIT)) 671 link->io.Attributes1 = IO_DATA_PATH_WIDTH_16; 672 if (!(io->flags & CISTPL_IO_16BIT)) 673 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; 674 link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK; 675 link->io.BasePort1 = io->win[0].base; 676 link->io.NumPorts1 = io->win[0].len; 677 if (io->nwin > 1) { 678 link->io.Attributes2 = link->io.Attributes1; 679 link->io.BasePort2 = io->win[1].base; 680 link->io.NumPorts2 = io->win[1].len; 681 } 682 /* This reserves IO space but doesn't actually enable it */ 683 if (pcmcia_request_io(link, &link->io) != 0) 684 goto next_entry; 685 } 686 687 if ((cfg->mem.nwin > 0) || (dflt.mem.nwin > 0)) { 688 cistpl_mem_t *mem = 689 (cfg->mem.nwin) ? &cfg->mem : &dflt.mem; 690 req.Attributes = WIN_DATA_WIDTH_16 | WIN_MEMORY_TYPE_CM; 691 req.Attributes |= WIN_ENABLE; 692 req.Base = mem->win[0].host_addr; 693 req.Size = mem->win[0].len; 694 if (req.Size < 0x1000) 695 req.Size = 0x1000; 696 req.AccessSpeed = 0; 697 if (pcmcia_request_window(&link, &req, &link->win)) 698 goto next_entry; 699 map.Page = 0; 700 map.CardOffset = mem->win[0].card_addr; 701 if (pcmcia_map_mem_page(link->win, &map)) 702 goto next_entry; 703 } 704 /* If we got this far, we're cool! */ 705 break; 706 707next_entry: 708 709 last_ret = pcmcia_get_next_tuple(link, &tuple); 710 if (last_ret) { 711 cs_error(link, GetNextTuple, last_ret); 712 goto cs_failed; 713 } 714 } 715 716 /* 717 Allocate an interrupt line. Note that this does not assign a 718 handler to the interrupt, unless the 'Handler' member of the 719 irq structure is initialized. 720 */ 721 if (link->conf.Attributes & CONF_ENABLE_IRQ) { 722 last_ret = pcmcia_request_irq(link, &link->irq); 723 if (last_ret) { 724 cs_error(link, RequestIRQ, last_ret); 725 goto cs_failed; 726 } 727 } 728 729 /* 730 This actually configures the PCMCIA socket -- setting up 731 the I/O windows and the interrupt mapping, and putting the 732 card and host interface into "Memory and IO" mode. 733 */ 734 last_ret = pcmcia_request_configuration(link, &link->conf); 735 if (last_ret != 0) { 736 cs_error(link, RequestConfiguration, last_ret); 737 goto cs_failed; 738 } 739 740 /* 741 At this point, the dev_node_t structure(s) need to be 742 initialized and arranged in a linked list at link->dev. 743 */ 744 sprintf(dev->node.dev_name, "ni_daq_700"); 745 dev->node.major = dev->node.minor = 0; 746 link->dev_node = &dev->node; 747 748 /* Finally, report what we've done */ 749 printk(KERN_INFO "%s: index 0x%02x", 750 dev->node.dev_name, link->conf.ConfigIndex); 751 if (link->conf.Attributes & CONF_ENABLE_IRQ) 752 printk(", irq %d", link->irq.AssignedIRQ); 753 if (link->io.NumPorts1) 754 printk(", io 0x%04x-0x%04x", link->io.BasePort1, 755 link->io.BasePort1 + link->io.NumPorts1 - 1); 756 if (link->io.NumPorts2) 757 printk(" & 0x%04x-0x%04x", link->io.BasePort2, 758 link->io.BasePort2 + link->io.NumPorts2 - 1); 759 if (link->win) 760 printk(", mem 0x%06lx-0x%06lx", req.Base, 761 req.Base + req.Size - 1); 762 printk("\n"); 763 764 return; 765 766cs_failed: 767 printk(KERN_INFO "ni_daq_700 cs failed"); 768 dio700_release(link); 769 770} /* dio700_config */ 771 772static void dio700_release(struct pcmcia_device *link) 773{ 774 DEBUG(0, "dio700_release(0x%p)\n", link); 775 776 pcmcia_disable_device(link); 777} /* dio700_release */ 778 779/*====================================================================== 780 781 The card status event handler. Mostly, this schedules other 782 stuff to run after an event is received. 783 784 When a CARD_REMOVAL event is received, we immediately set a 785 private flag to block future accesses to this device. All the 786 functions that actually access the device should check this flag 787 to make sure the card is still present. 788 789======================================================================*/ 790 791static int dio700_cs_suspend(struct pcmcia_device *link) 792{ 793 struct local_info_t *local = link->priv; 794 795 /* Mark the device as stopped, to block IO until later */ 796 local->stop = 1; 797 return 0; 798} /* dio700_cs_suspend */ 799 800static int dio700_cs_resume(struct pcmcia_device *link) 801{ 802 struct local_info_t *local = link->priv; 803 804 local->stop = 0; 805 return 0; 806} /* dio700_cs_resume */ 807 808/*====================================================================*/ 809 810static struct pcmcia_device_id dio700_cs_ids[] = { 811 /* N.B. These IDs should match those in dio700_boards */ 812 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x4743), /* daqcard-700 */ 813 PCMCIA_DEVICE_NULL 814}; 815 816MODULE_LICENSE("GPL"); 817MODULE_DEVICE_TABLE(pcmcia, dio700_cs_ids); 818 819struct pcmcia_driver dio700_cs_driver = { 820 .probe = dio700_cs_attach, 821 .remove = dio700_cs_detach, 822 .suspend = dio700_cs_suspend, 823 .resume = dio700_cs_resume, 824 .id_table = dio700_cs_ids, 825 .owner = THIS_MODULE, 826 .drv = { 827 .name = dev_info, 828 }, 829}; 830 831static int __init init_dio700_cs(void) 832{ 833 printk("ni_daq_700: cs-init \n"); 834 DEBUG(0, "%s\n", version); 835 pcmcia_register_driver(&dio700_cs_driver); 836 return 0; 837} 838 839static void __exit exit_dio700_cs(void) 840{ 841 DEBUG(0, "ni_daq_700: unloading\n"); 842 pcmcia_unregister_driver(&dio700_cs_driver); 843} 844 845int __init init_module(void) 846{ 847 int ret; 848 849 ret = init_dio700_cs(); 850 if (ret < 0) 851 return ret; 852 853 return comedi_driver_register(&driver_dio700); 854} 855 856void __exit cleanup_module(void) 857{ 858 exit_dio700_cs(); 859 comedi_driver_unregister(&driver_dio700); 860} 861