ni_65xx.c revision 078a10df24ac87d18c2d52fb501ff652f481fb5b
1/* 2 comedi/drivers/ni_6514.c 3 driver for National Instruments PCI-6514 4 5 Copyright (C) 2006 Jon Grierson <jd@renko.co.uk> 6 Copyright (C) 2006 Frank Mori Hess <fmhess@users.sourceforge.net> 7 8 COMEDI - Linux Control and Measurement Device Interface 9 Copyright (C) 1999,2002,2003 David A. Schleef <ds@schleef.org> 10 11 This program is free software; you can redistribute it and/or modify 12 it under the terms of the GNU General Public License as published by 13 the Free Software Foundation; either version 2 of the License, or 14 (at your option) any later version. 15 16 This program is distributed in the hope that it will be useful, 17 but WITHOUT ANY WARRANTY; without even the implied warranty of 18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 GNU General Public License for more details. 20 21 You should have received a copy of the GNU General Public License 22 along with this program; if not, write to the Free Software 23 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 24 25*/ 26/* 27Driver: ni_65xx 28Description: National Instruments 65xx static dio boards 29Author: Jon Grierson <jd@renko.co.uk>, Frank Mori Hess <fmhess@users.sourceforge.net> 30Status: testing 31Devices: [National Instruments] PCI-6509 (ni_65xx), PXI-6509, PCI-6510, PCI-6511, 32 PXI-6511, PCI-6512, PXI-6512, PCI-6513, PXI-6513, PCI-6514, PXI-6514, PCI-6515, 33 PXI-6515, PCI-6516, PCI-6517, PCI-6518, PCI-6519, PCI-6520, PCI-6521, PXI-6521, 34 PCI-6528, PXI-6528 35Updated: Wed Oct 18 08:59:11 EDT 2006 36 37Based on the PCI-6527 driver by ds. 38The interrupt subdevice (subdevice 3) is probably broken for all boards 39except maybe the 6514. 40 41*/ 42 43/* 44 Manuals (available from ftp://ftp.natinst.com/support/manuals) 45 46 370106b.pdf 6514 Register Level Programmer Manual 47 48 */ 49 50#define _GNU_SOURCE 51#define DEBUG 1 52#define DEBUG_FLAGS 53#include <linux/interrupt.h> 54#include "../comedidev.h" 55 56#include "mite.h" 57 58#define NI6514_DIO_SIZE 4096 59#define NI6514_MITE_SIZE 4096 60 61#define NI_65XX_MAX_NUM_PORTS 12 62static const unsigned ni_65xx_channels_per_port = 8; 63static const unsigned ni_65xx_port_offset = 0x10; 64 65static inline unsigned Port_Data(unsigned port) 66{ 67 return 0x40 + port * ni_65xx_port_offset; 68} 69 70static inline unsigned Port_Select(unsigned port) 71{ 72 return 0x41 + port * ni_65xx_port_offset; 73} 74 75static inline unsigned Rising_Edge_Detection_Enable(unsigned port) 76{ 77 return 0x42 + port * ni_65xx_port_offset; 78} 79 80static inline unsigned Falling_Edge_Detection_Enable(unsigned port) 81{ 82 return 0x43 + port * ni_65xx_port_offset; 83} 84 85static inline unsigned Filter_Enable(unsigned port) 86{ 87 return 0x44 + port * ni_65xx_port_offset; 88} 89 90#define ID_Register 0x00 91 92#define Clear_Register 0x01 93#define ClrEdge 0x08 94#define ClrOverflow 0x04 95 96#define Filter_Interval 0x08 97 98#define Change_Status 0x02 99#define MasterInterruptStatus 0x04 100#define Overflow 0x02 101#define EdgeStatus 0x01 102 103#define Master_Interrupt_Control 0x03 104#define FallingEdgeIntEnable 0x10 105#define RisingEdgeIntEnable 0x08 106#define MasterInterruptEnable 0x04 107#define OverflowIntEnable 0x02 108#define EdgeIntEnable 0x01 109 110static int ni_65xx_attach(struct comedi_device *dev, 111 struct comedi_devconfig *it); 112static int ni_65xx_detach(struct comedi_device *dev); 113static struct comedi_driver driver_ni_65xx = { 114 .driver_name = "ni_65xx", 115 .module = THIS_MODULE, 116 .attach = ni_65xx_attach, 117 .detach = ni_65xx_detach, 118}; 119 120struct ni_65xx_board { 121 122 int dev_id; 123 const char *name; 124 unsigned num_dio_ports; 125 unsigned num_di_ports; 126 unsigned num_do_ports; 127 unsigned invert_outputs:1; 128}; 129 130static const struct ni_65xx_board ni_65xx_boards[] = { 131 { 132 .dev_id = 0x7085, 133 .name = "pci-6509", 134 .num_dio_ports = 12, 135 .invert_outputs = 0}, 136 { 137 .dev_id = 0x1710, 138 .name = "pxi-6509", 139 .num_dio_ports = 12, 140 .invert_outputs = 0}, 141 { 142 .dev_id = 0x7124, 143 .name = "pci-6510", 144 .num_di_ports = 4}, 145 { 146 .dev_id = 0x70c3, 147 .name = "pci-6511", 148 .num_di_ports = 8}, 149 { 150 .dev_id = 0x70d3, 151 .name = "pxi-6511", 152 .num_di_ports = 8}, 153 { 154 .dev_id = 0x70cc, 155 .name = "pci-6512", 156 .num_do_ports = 8}, 157 { 158 .dev_id = 0x70d2, 159 .name = "pxi-6512", 160 .num_do_ports = 8}, 161 { 162 .dev_id = 0x70c8, 163 .name = "pci-6513", 164 .num_do_ports = 8, 165 .invert_outputs = 1}, 166 { 167 .dev_id = 0x70d1, 168 .name = "pxi-6513", 169 .num_do_ports = 8, 170 .invert_outputs = 1}, 171 { 172 .dev_id = 0x7088, 173 .name = "pci-6514", 174 .num_di_ports = 4, 175 .num_do_ports = 4, 176 .invert_outputs = 1}, 177 { 178 .dev_id = 0x70CD, 179 .name = "pxi-6514", 180 .num_di_ports = 4, 181 .num_do_ports = 4, 182 .invert_outputs = 1}, 183 { 184 .dev_id = 0x7087, 185 .name = "pci-6515", 186 .num_di_ports = 4, 187 .num_do_ports = 4, 188 .invert_outputs = 1}, 189 { 190 .dev_id = 0x70c9, 191 .name = "pxi-6515", 192 .num_di_ports = 4, 193 .num_do_ports = 4, 194 .invert_outputs = 1}, 195 { 196 .dev_id = 0x7125, 197 .name = "pci-6516", 198 .num_do_ports = 4, 199 .invert_outputs = 1}, 200 { 201 .dev_id = 0x7126, 202 .name = "pci-6517", 203 .num_do_ports = 4, 204 .invert_outputs = 1}, 205 { 206 .dev_id = 0x7127, 207 .name = "pci-6518", 208 .num_di_ports = 2, 209 .num_do_ports = 2, 210 .invert_outputs = 1}, 211 { 212 .dev_id = 0x7128, 213 .name = "pci-6519", 214 .num_di_ports = 2, 215 .num_do_ports = 2, 216 .invert_outputs = 1}, 217 { 218 .dev_id = 0x71c5, 219 .name = "pci-6520", 220 .num_di_ports = 1, 221 .num_do_ports = 1, 222 }, 223 { 224 .dev_id = 0x718b, 225 .name = "pci-6521", 226 .num_di_ports = 1, 227 .num_do_ports = 1, 228 }, 229 { 230 .dev_id = 0x718c, 231 .name = "pxi-6521", 232 .num_di_ports = 1, 233 .num_do_ports = 1, 234 }, 235 { 236 .dev_id = 0x70a9, 237 .name = "pci-6528", 238 .num_di_ports = 3, 239 .num_do_ports = 3, 240 }, 241 { 242 .dev_id = 0x7086, 243 .name = "pxi-6528", 244 .num_di_ports = 3, 245 .num_do_ports = 3, 246 }, 247}; 248 249#define n_ni_65xx_boards ARRAY_SIZE(ni_65xx_boards) 250static inline const struct ni_65xx_board *board(struct comedi_device *dev) 251{ 252 return dev->board_ptr; 253} 254 255static inline unsigned ni_65xx_port_by_channel(unsigned channel) 256{ 257 return channel / ni_65xx_channels_per_port; 258} 259 260static inline unsigned ni_65xx_total_num_ports(const struct ni_65xx_board 261 *board) 262{ 263 return board->num_dio_ports + board->num_di_ports + board->num_do_ports; 264} 265 266static DEFINE_PCI_DEVICE_TABLE(ni_65xx_pci_table) = { 267 { 268 PCI_VENDOR_ID_NATINST, 0x1710, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 269 PCI_VENDOR_ID_NATINST, 0x7085, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 270 PCI_VENDOR_ID_NATINST, 0x7086, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 271 PCI_VENDOR_ID_NATINST, 0x7087, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 272 PCI_VENDOR_ID_NATINST, 0x7088, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 273 PCI_VENDOR_ID_NATINST, 0x70a9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 274 PCI_VENDOR_ID_NATINST, 0x70c3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 275 PCI_VENDOR_ID_NATINST, 0x70c8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 276 PCI_VENDOR_ID_NATINST, 0x70c9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 277 PCI_VENDOR_ID_NATINST, 0x70cc, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 278 PCI_VENDOR_ID_NATINST, 0x70CD, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 279 PCI_VENDOR_ID_NATINST, 0x70d1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 280 PCI_VENDOR_ID_NATINST, 0x70d2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 281 PCI_VENDOR_ID_NATINST, 0x70d3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 282 PCI_VENDOR_ID_NATINST, 0x7124, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 283 PCI_VENDOR_ID_NATINST, 0x7125, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 284 PCI_VENDOR_ID_NATINST, 0x7126, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 285 PCI_VENDOR_ID_NATINST, 0x7127, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 286 PCI_VENDOR_ID_NATINST, 0x7128, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 287 PCI_VENDOR_ID_NATINST, 0x718b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 288 PCI_VENDOR_ID_NATINST, 0x718c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 289 PCI_VENDOR_ID_NATINST, 0x71c5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 290 0} 291}; 292 293MODULE_DEVICE_TABLE(pci, ni_65xx_pci_table); 294 295struct ni_65xx_private { 296 struct mite_struct *mite; 297 unsigned int filter_interval; 298 unsigned short filter_enable[NI_65XX_MAX_NUM_PORTS]; 299 unsigned short output_bits[NI_65XX_MAX_NUM_PORTS]; 300 unsigned short dio_direction[NI_65XX_MAX_NUM_PORTS]; 301}; 302 303static inline struct ni_65xx_private *private(struct comedi_device *dev) 304{ 305 return dev->private; 306} 307 308struct ni_65xx_subdevice_private { 309 unsigned base_port; 310}; 311 312static inline struct ni_65xx_subdevice_private *sprivate(struct comedi_subdevice 313 *subdev) 314{ 315 return subdev->private; 316} 317 318static struct ni_65xx_subdevice_private *ni_65xx_alloc_subdevice_private(void) 319{ 320 struct ni_65xx_subdevice_private *subdev_private = 321 kzalloc(sizeof(struct ni_65xx_subdevice_private), GFP_KERNEL); 322 if (subdev_private == NULL) 323 return NULL; 324 return subdev_private; 325} 326 327static int ni_65xx_find_device(struct comedi_device *dev, int bus, int slot); 328 329static int ni_65xx_config_filter(struct comedi_device *dev, 330 struct comedi_subdevice *s, 331 struct comedi_insn *insn, unsigned int *data) 332{ 333 const unsigned chan = CR_CHAN(insn->chanspec); 334 const unsigned port = 335 sprivate(s)->base_port + ni_65xx_port_by_channel(chan); 336 337 if (data[0] != INSN_CONFIG_FILTER) 338 return -EINVAL; 339 if (data[1]) { 340 static const unsigned filter_resolution_ns = 200; 341 static const unsigned max_filter_interval = 0xfffff; 342 unsigned interval = 343 (data[1] + 344 (filter_resolution_ns / 2)) / filter_resolution_ns; 345 if (interval > max_filter_interval) 346 interval = max_filter_interval; 347 data[1] = interval * filter_resolution_ns; 348 349 if (interval != private(dev)->filter_interval) { 350 writeb(interval, 351 private(dev)->mite->daq_io_addr + 352 Filter_Interval); 353 private(dev)->filter_interval = interval; 354 } 355 356 private(dev)->filter_enable[port] |= 357 1 << (chan % ni_65xx_channels_per_port); 358 } else { 359 private(dev)->filter_enable[port] &= 360 ~(1 << (chan % ni_65xx_channels_per_port)); 361 } 362 363 writeb(private(dev)->filter_enable[port], 364 private(dev)->mite->daq_io_addr + Filter_Enable(port)); 365 366 return 2; 367} 368 369static int ni_65xx_dio_insn_config(struct comedi_device *dev, 370 struct comedi_subdevice *s, 371 struct comedi_insn *insn, unsigned int *data) 372{ 373 unsigned port; 374 375 if (insn->n < 1) 376 return -EINVAL; 377 port = sprivate(s)->base_port + 378 ni_65xx_port_by_channel(CR_CHAN(insn->chanspec)); 379 switch (data[0]) { 380 case INSN_CONFIG_FILTER: 381 return ni_65xx_config_filter(dev, s, insn, data); 382 break; 383 case INSN_CONFIG_DIO_OUTPUT: 384 if (s->type != COMEDI_SUBD_DIO) 385 return -EINVAL; 386 private(dev)->dio_direction[port] = COMEDI_OUTPUT; 387 writeb(0, private(dev)->mite->daq_io_addr + Port_Select(port)); 388 return 1; 389 break; 390 case INSN_CONFIG_DIO_INPUT: 391 if (s->type != COMEDI_SUBD_DIO) 392 return -EINVAL; 393 private(dev)->dio_direction[port] = COMEDI_INPUT; 394 writeb(1, private(dev)->mite->daq_io_addr + Port_Select(port)); 395 return 1; 396 break; 397 case INSN_CONFIG_DIO_QUERY: 398 if (s->type != COMEDI_SUBD_DIO) 399 return -EINVAL; 400 data[1] = private(dev)->dio_direction[port]; 401 return insn->n; 402 break; 403 default: 404 break; 405 } 406 return -EINVAL; 407} 408 409static int ni_65xx_dio_insn_bits(struct comedi_device *dev, 410 struct comedi_subdevice *s, 411 struct comedi_insn *insn, unsigned int *data) 412{ 413 unsigned base_bitfield_channel; 414 const unsigned max_ports_per_bitfield = 5; 415 unsigned read_bits = 0; 416 unsigned j; 417 if (insn->n != 2) 418 return -EINVAL; 419 base_bitfield_channel = CR_CHAN(insn->chanspec); 420 for (j = 0; j < max_ports_per_bitfield; ++j) { 421 const unsigned port_offset = ni_65xx_port_by_channel(base_bitfield_channel) + j; 422 const unsigned port = 423 sprivate(s)->base_port + port_offset; 424 unsigned base_port_channel; 425 unsigned port_mask, port_data, port_read_bits; 426 int bitshift; 427 if (port >= ni_65xx_total_num_ports(board(dev))) 428 break; 429 base_port_channel = port_offset * ni_65xx_channels_per_port; 430 port_mask = data[0]; 431 port_data = data[1]; 432 bitshift = base_port_channel - base_bitfield_channel; 433 if (bitshift >= 32 || bitshift <= -32) 434 break; 435 if (bitshift > 0) { 436 port_mask >>= bitshift; 437 port_data >>= bitshift; 438 } else { 439 port_mask <<= -bitshift; 440 port_data <<= -bitshift; 441 } 442 port_mask &= 0xff; 443 port_data &= 0xff; 444 if (port_mask) { 445 unsigned bits; 446 private(dev)->output_bits[port] &= ~port_mask; 447 private(dev)->output_bits[port] |= 448 port_data & port_mask; 449 bits = private(dev)->output_bits[port]; 450 if (board(dev)->invert_outputs) 451 bits = ~bits; 452 writeb(bits, 453 private(dev)->mite->daq_io_addr + 454 Port_Data(port)); 455/* printk("wrote 0x%x to port %i\n", bits, port); */ 456 } 457 port_read_bits = 458 readb(private(dev)->mite->daq_io_addr + Port_Data(port)); 459/* printk("read 0x%x from port %i\n", port_read_bits, port); */ 460 if (s->type == COMEDI_SUBD_DO && board(dev)->invert_outputs) { 461 /* Outputs inverted, so invert value read back from 462 * DO subdevice. (Does not apply to boards with DIO 463 * subdevice.) */ 464 port_read_bits ^= 0xFF; 465 } 466 if (bitshift > 0) { 467 port_read_bits <<= bitshift; 468 } else { 469 port_read_bits >>= -bitshift; 470 } 471 read_bits |= port_read_bits; 472 } 473 data[1] = read_bits; 474 return insn->n; 475} 476 477static irqreturn_t ni_65xx_interrupt(int irq, void *d) 478{ 479 struct comedi_device *dev = d; 480 struct comedi_subdevice *s = dev->subdevices + 2; 481 unsigned int status; 482 483 status = readb(private(dev)->mite->daq_io_addr + Change_Status); 484 if ((status & MasterInterruptStatus) == 0) 485 return IRQ_NONE; 486 if ((status & EdgeStatus) == 0) 487 return IRQ_NONE; 488 489 writeb(ClrEdge | ClrOverflow, 490 private(dev)->mite->daq_io_addr + Clear_Register); 491 492 comedi_buf_put(s->async, 0); 493 s->async->events |= COMEDI_CB_EOS; 494 comedi_event(dev, s); 495 return IRQ_HANDLED; 496} 497 498static int ni_65xx_intr_cmdtest(struct comedi_device *dev, 499 struct comedi_subdevice *s, 500 struct comedi_cmd *cmd) 501{ 502 int err = 0; 503 int tmp; 504 505 /* step 1: make sure trigger sources are trivially valid */ 506 507 tmp = cmd->start_src; 508 cmd->start_src &= TRIG_NOW; 509 if (!cmd->start_src || tmp != cmd->start_src) 510 err++; 511 512 tmp = cmd->scan_begin_src; 513 cmd->scan_begin_src &= TRIG_OTHER; 514 if (!cmd->scan_begin_src || tmp != cmd->scan_begin_src) 515 err++; 516 517 tmp = cmd->convert_src; 518 cmd->convert_src &= TRIG_FOLLOW; 519 if (!cmd->convert_src || tmp != cmd->convert_src) 520 err++; 521 522 tmp = cmd->scan_end_src; 523 cmd->scan_end_src &= TRIG_COUNT; 524 if (!cmd->scan_end_src || tmp != cmd->scan_end_src) 525 err++; 526 527 tmp = cmd->stop_src; 528 cmd->stop_src &= TRIG_COUNT; 529 if (!cmd->stop_src || tmp != cmd->stop_src) 530 err++; 531 532 if (err) 533 return 1; 534 535 /* step 2: make sure trigger sources are unique and mutually compatible */ 536 537 if (err) 538 return 2; 539 540 /* step 3: make sure arguments are trivially compatible */ 541 542 if (cmd->start_arg != 0) { 543 cmd->start_arg = 0; 544 err++; 545 } 546 if (cmd->scan_begin_arg != 0) { 547 cmd->scan_begin_arg = 0; 548 err++; 549 } 550 if (cmd->convert_arg != 0) { 551 cmd->convert_arg = 0; 552 err++; 553 } 554 555 if (cmd->scan_end_arg != 1) { 556 cmd->scan_end_arg = 1; 557 err++; 558 } 559 if (cmd->stop_arg != 0) { 560 cmd->stop_arg = 0; 561 err++; 562 } 563 564 if (err) 565 return 3; 566 567 /* step 4: fix up any arguments */ 568 569 if (err) 570 return 4; 571 572 return 0; 573} 574 575static int ni_65xx_intr_cmd(struct comedi_device *dev, 576 struct comedi_subdevice *s) 577{ 578 /* struct comedi_cmd *cmd = &s->async->cmd; */ 579 580 writeb(ClrEdge | ClrOverflow, 581 private(dev)->mite->daq_io_addr + Clear_Register); 582 writeb(FallingEdgeIntEnable | RisingEdgeIntEnable | 583 MasterInterruptEnable | EdgeIntEnable, 584 private(dev)->mite->daq_io_addr + Master_Interrupt_Control); 585 586 return 0; 587} 588 589static int ni_65xx_intr_cancel(struct comedi_device *dev, 590 struct comedi_subdevice *s) 591{ 592 writeb(0x00, 593 private(dev)->mite->daq_io_addr + Master_Interrupt_Control); 594 595 return 0; 596} 597 598static int ni_65xx_intr_insn_bits(struct comedi_device *dev, 599 struct comedi_subdevice *s, 600 struct comedi_insn *insn, unsigned int *data) 601{ 602 if (insn->n < 1) 603 return -EINVAL; 604 605 data[1] = 0; 606 return 2; 607} 608 609static int ni_65xx_intr_insn_config(struct comedi_device *dev, 610 struct comedi_subdevice *s, 611 struct comedi_insn *insn, 612 unsigned int *data) 613{ 614 if (insn->n < 1) 615 return -EINVAL; 616 if (data[0] != INSN_CONFIG_CHANGE_NOTIFY) 617 return -EINVAL; 618 619 writeb(data[1], 620 private(dev)->mite->daq_io_addr + 621 Rising_Edge_Detection_Enable(0)); 622 writeb(data[1] >> 8, 623 private(dev)->mite->daq_io_addr + 624 Rising_Edge_Detection_Enable(0x10)); 625 writeb(data[1] >> 16, 626 private(dev)->mite->daq_io_addr + 627 Rising_Edge_Detection_Enable(0x20)); 628 writeb(data[1] >> 24, 629 private(dev)->mite->daq_io_addr + 630 Rising_Edge_Detection_Enable(0x30)); 631 632 writeb(data[2], 633 private(dev)->mite->daq_io_addr + 634 Falling_Edge_Detection_Enable(0)); 635 writeb(data[2] >> 8, 636 private(dev)->mite->daq_io_addr + 637 Falling_Edge_Detection_Enable(0x10)); 638 writeb(data[2] >> 16, 639 private(dev)->mite->daq_io_addr + 640 Falling_Edge_Detection_Enable(0x20)); 641 writeb(data[2] >> 24, 642 private(dev)->mite->daq_io_addr + 643 Falling_Edge_Detection_Enable(0x30)); 644 645 return 2; 646} 647 648static int ni_65xx_attach(struct comedi_device *dev, 649 struct comedi_devconfig *it) 650{ 651 struct comedi_subdevice *s; 652 unsigned i; 653 int ret; 654 655 printk("comedi%d: ni_65xx:", dev->minor); 656 657 ret = alloc_private(dev, sizeof(struct ni_65xx_private)); 658 if (ret < 0) 659 return ret; 660 661 ret = ni_65xx_find_device(dev, it->options[0], it->options[1]); 662 if (ret < 0) 663 return ret; 664 665 ret = mite_setup(private(dev)->mite); 666 if (ret < 0) { 667 printk("error setting up mite\n"); 668 return ret; 669 } 670 671 dev->board_name = board(dev)->name; 672 dev->irq = mite_irq(private(dev)->mite); 673 printk(" %s", dev->board_name); 674 675 printk(" ID=0x%02x", 676 readb(private(dev)->mite->daq_io_addr + ID_Register)); 677 678 ret = alloc_subdevices(dev, 4); 679 if (ret < 0) 680 return ret; 681 682 s = dev->subdevices + 0; 683 if (board(dev)->num_di_ports) { 684 s->type = COMEDI_SUBD_DI; 685 s->subdev_flags = SDF_READABLE; 686 s->n_chan = 687 board(dev)->num_di_ports * ni_65xx_channels_per_port; 688 s->range_table = &range_digital; 689 s->maxdata = 1; 690 s->insn_config = ni_65xx_dio_insn_config; 691 s->insn_bits = ni_65xx_dio_insn_bits; 692 s->private = ni_65xx_alloc_subdevice_private(); 693 if (s->private == NULL) 694 return -ENOMEM; 695 sprivate(s)->base_port = 0; 696 } else { 697 s->type = COMEDI_SUBD_UNUSED; 698 } 699 700 s = dev->subdevices + 1; 701 if (board(dev)->num_do_ports) { 702 s->type = COMEDI_SUBD_DO; 703 s->subdev_flags = SDF_READABLE | SDF_WRITABLE; 704 s->n_chan = 705 board(dev)->num_do_ports * ni_65xx_channels_per_port; 706 s->range_table = &range_digital; 707 s->maxdata = 1; 708 s->insn_bits = ni_65xx_dio_insn_bits; 709 s->private = ni_65xx_alloc_subdevice_private(); 710 if (s->private == NULL) 711 return -ENOMEM; 712 sprivate(s)->base_port = board(dev)->num_di_ports; 713 } else { 714 s->type = COMEDI_SUBD_UNUSED; 715 } 716 717 s = dev->subdevices + 2; 718 if (board(dev)->num_dio_ports) { 719 s->type = COMEDI_SUBD_DIO; 720 s->subdev_flags = SDF_READABLE | SDF_WRITABLE; 721 s->n_chan = 722 board(dev)->num_dio_ports * ni_65xx_channels_per_port; 723 s->range_table = &range_digital; 724 s->maxdata = 1; 725 s->insn_config = ni_65xx_dio_insn_config; 726 s->insn_bits = ni_65xx_dio_insn_bits; 727 s->private = ni_65xx_alloc_subdevice_private(); 728 if (s->private == NULL) 729 return -ENOMEM; 730 sprivate(s)->base_port = 0; 731 for (i = 0; i < board(dev)->num_dio_ports; ++i) { 732 /* configure all ports for input */ 733 writeb(0x1, 734 private(dev)->mite->daq_io_addr + 735 Port_Select(i)); 736 } 737 } else { 738 s->type = COMEDI_SUBD_UNUSED; 739 } 740 741 s = dev->subdevices + 3; 742 dev->read_subdev = s; 743 s->type = COMEDI_SUBD_DI; 744 s->subdev_flags = SDF_READABLE | SDF_CMD_READ; 745 s->n_chan = 1; 746 s->range_table = &range_unknown; 747 s->maxdata = 1; 748 s->do_cmdtest = ni_65xx_intr_cmdtest; 749 s->do_cmd = ni_65xx_intr_cmd; 750 s->cancel = ni_65xx_intr_cancel; 751 s->insn_bits = ni_65xx_intr_insn_bits; 752 s->insn_config = ni_65xx_intr_insn_config; 753 754 for (i = 0; i < ni_65xx_total_num_ports(board(dev)); ++i) { 755 writeb(0x00, 756 private(dev)->mite->daq_io_addr + Filter_Enable(i)); 757 if (board(dev)->invert_outputs) 758 writeb(0x01, 759 private(dev)->mite->daq_io_addr + Port_Data(i)); 760 else 761 writeb(0x00, 762 private(dev)->mite->daq_io_addr + Port_Data(i)); 763 } 764 writeb(ClrEdge | ClrOverflow, 765 private(dev)->mite->daq_io_addr + Clear_Register); 766 writeb(0x00, 767 private(dev)->mite->daq_io_addr + Master_Interrupt_Control); 768 769 /* Set filter interval to 0 (32bit reg) */ 770 writeb(0x00000000, private(dev)->mite->daq_io_addr + Filter_Interval); 771 772 ret = request_irq(dev->irq, ni_65xx_interrupt, IRQF_SHARED, 773 "ni_65xx", dev); 774 if (ret < 0) { 775 dev->irq = 0; 776 printk(" irq not available"); 777 } 778 779 printk("\n"); 780 781 return 0; 782} 783 784static int ni_65xx_detach(struct comedi_device *dev) 785{ 786 if (private(dev) && private(dev)->mite 787 && private(dev)->mite->daq_io_addr) { 788 writeb(0x00, 789 private(dev)->mite->daq_io_addr + 790 Master_Interrupt_Control); 791 } 792 793 if (dev->irq) { 794 free_irq(dev->irq, dev); 795 } 796 797 if (private(dev)) { 798 unsigned i; 799 for (i = 0; i < dev->n_subdevices; ++i) { 800 if (dev->subdevices[i].private) { 801 kfree(dev->subdevices[i].private); 802 dev->subdevices[i].private = NULL; 803 } 804 } 805 if (private(dev)->mite) { 806 mite_unsetup(private(dev)->mite); 807 } 808 } 809 return 0; 810} 811 812static int ni_65xx_find_device(struct comedi_device *dev, int bus, int slot) 813{ 814 struct mite_struct *mite; 815 int i; 816 817 for (mite = mite_devices; mite; mite = mite->next) { 818 if (mite->used) 819 continue; 820 if (bus || slot) { 821 if (bus != mite->pcidev->bus->number || 822 slot != PCI_SLOT(mite->pcidev->devfn)) 823 continue; 824 } 825 for (i = 0; i < n_ni_65xx_boards; i++) { 826 if (mite_device_id(mite) == ni_65xx_boards[i].dev_id) { 827 dev->board_ptr = ni_65xx_boards + i; 828 private(dev)->mite = mite; 829 return 0; 830 } 831 } 832 } 833 printk("no device found\n"); 834 mite_list_devices(); 835 return -EIO; 836} 837 838COMEDI_PCI_INITCLEANUP(driver_ni_65xx, ni_65xx_pci_table); 839