ni_mio_cs.c revision 139dfbdfacb02e3ef3df936d2fabd1ad5f14ea88
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 ni_board 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 176typedef struct { 177 struct pcmcia_device *link; 178 179 NI_PRIVATE_COMMON} ni_private; 180#define devpriv ((ni_private *)dev->private) 181 182/* How we access registers */ 183 184#define ni_writel(a,b) (outl((a),(b)+dev->iobase)) 185#define ni_readl(a) (inl((a)+dev->iobase)) 186#define ni_writew(a,b) (outw((a),(b)+dev->iobase)) 187#define ni_readw(a) (inw((a)+dev->iobase)) 188#define ni_writeb(a,b) (outb((a),(b)+dev->iobase)) 189#define ni_readb(a) (inb((a)+dev->iobase)) 190 191/* How we access windowed registers */ 192 193/* We automatically take advantage of STC registers that can be 194 * read/written directly in the I/O space of the board. The 195 * DAQCard devices map the low 8 STC registers to iobase+addr*2. */ 196 197static void mio_cs_win_out(struct comedi_device * dev, uint16_t data, int addr) 198{ 199 unsigned long flags; 200 201 comedi_spin_lock_irqsave(&devpriv->window_lock, flags); 202 if (addr < 8) { 203 ni_writew(data, addr * 2); 204 } else { 205 ni_writew(addr, Window_Address); 206 ni_writew(data, Window_Data); 207 } 208 comedi_spin_unlock_irqrestore(&devpriv->window_lock, flags); 209} 210 211static uint16_t mio_cs_win_in(struct comedi_device * dev, int addr) 212{ 213 unsigned long flags; 214 uint16_t ret; 215 216 comedi_spin_lock_irqsave(&devpriv->window_lock, flags); 217 if (addr < 8) { 218 ret = ni_readw(addr * 2); 219 } else { 220 ni_writew(addr, Window_Address); 221 ret = ni_readw(Window_Data); 222 } 223 comedi_spin_unlock_irqrestore(&devpriv->window_lock, flags); 224 225 return ret; 226} 227 228static int mio_cs_attach(struct comedi_device * dev, comedi_devconfig * it); 229static int mio_cs_detach(struct comedi_device * dev); 230static struct comedi_driver driver_ni_mio_cs = { 231 driver_name:"ni_mio_cs", 232 module:THIS_MODULE, 233 attach:mio_cs_attach, 234 detach:mio_cs_detach, 235}; 236 237#include "ni_mio_common.c" 238 239static int ni_getboardtype(struct comedi_device * dev, struct pcmcia_device *link); 240 241/* clean up allocated resources */ 242/* called when driver is removed */ 243static int mio_cs_detach(struct comedi_device * dev) 244{ 245 mio_common_detach(dev); 246 247 /* PCMCIA layer frees the IO region */ 248 249 if (dev->irq) { 250 comedi_free_irq(dev->irq, dev); 251 } 252 253 return 0; 254} 255 256static void mio_cs_config(struct pcmcia_device *link); 257static void cs_release(struct pcmcia_device *link); 258static void cs_detach(struct pcmcia_device *); 259 260static struct pcmcia_device *cur_dev = NULL; 261static const dev_info_t dev_info = "ni_mio_cs"; 262static dev_node_t dev_node = { 263 "ni_mio_cs", 264 COMEDI_MAJOR, 0, 265 NULL 266}; 267static int cs_attach(struct pcmcia_device *link) 268{ 269 link->io.Attributes1 = IO_DATA_PATH_WIDTH_16; 270 link->io.NumPorts1 = 16; 271 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; 272 link->irq.IRQInfo1 = IRQ_LEVEL_ID; 273 link->conf.Attributes = CONF_ENABLE_IRQ; 274 link->conf.IntType = INT_MEMORY_AND_IO; 275 276 cur_dev = link; 277 278 mio_cs_config(link); 279 280 return 0; 281} 282 283static void cs_release(struct pcmcia_device *link) 284{ 285 pcmcia_disable_device(link); 286} 287 288static void cs_detach(struct pcmcia_device *link) 289{ 290 DPRINTK("cs_detach(link=%p)\n", link); 291 292 if (link->dev_node) { 293 cs_release(link); 294 } 295} 296 297static int mio_cs_suspend(struct pcmcia_device *link) 298{ 299 DPRINTK("pm suspend\n"); 300 301 return 0; 302} 303 304static int mio_cs_resume(struct pcmcia_device *link) 305{ 306 DPRINTK("pm resume\n"); 307 return 0; 308} 309 310static void mio_cs_config(struct pcmcia_device *link) 311{ 312 tuple_t tuple; 313 u_short buf[128]; 314 cisparse_t parse; 315 int manfid = 0, prodid = 0; 316 int ret; 317 318 DPRINTK("mio_cs_config(link=%p)\n", link); 319 320 tuple.TupleData = (cisdata_t *) buf; 321 tuple.TupleOffset = 0; 322 tuple.TupleDataMax = 255; 323 tuple.Attributes = 0; 324 325 tuple.DesiredTuple = CISTPL_CONFIG; 326 ret = pcmcia_get_first_tuple(link, &tuple); 327 ret = pcmcia_get_tuple_data(link, &tuple); 328 ret = pcmcia_parse_tuple(&tuple, &parse); 329 link->conf.ConfigBase = parse.config.base; 330 link->conf.Present = parse.config.rmask[0]; 331 332#if 0 333 tuple.DesiredTuple = CISTPL_LONGLINK_MFC; 334 tuple.Attributes = TUPLE_RETURN_COMMON | TUPLE_RETURN_LINK; 335 info->multi(first_tuple(link, &tuple, &parse) == 0); 336#endif 337 338 tuple.DesiredTuple = CISTPL_MANFID; 339 tuple.Attributes = TUPLE_RETURN_COMMON; 340 if ((pcmcia_get_first_tuple(link, &tuple) == 0) && 341 (pcmcia_get_tuple_data(link, &tuple) == 0)) { 342 manfid = le16_to_cpu(buf[0]); 343 prodid = le16_to_cpu(buf[1]); 344 } 345 //printk("manfid = 0x%04x, 0x%04x\n",manfid,prodid); 346 347 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; 348 tuple.Attributes = 0; 349 ret = pcmcia_get_first_tuple(link, &tuple); 350 ret = pcmcia_get_tuple_data(link, &tuple); 351 ret = pcmcia_parse_tuple(&tuple, &parse); 352 353#if 0 354 printk(" index: 0x%x\n", parse.cftable_entry.index); 355 printk(" flags: 0x%x\n", parse.cftable_entry.flags); 356 printk(" io flags: 0x%x\n", parse.cftable_entry.io.flags); 357 printk(" io nwin: 0x%x\n", parse.cftable_entry.io.nwin); 358 printk(" io base: 0x%x\n", parse.cftable_entry.io.win[0].base); 359 printk(" io len: 0x%x\n", parse.cftable_entry.io.win[0].len); 360 printk(" irq1: 0x%x\n", parse.cftable_entry.irq.IRQInfo1); 361 printk(" irq2: 0x%x\n", parse.cftable_entry.irq.IRQInfo2); 362 printk(" mem flags: 0x%x\n", parse.cftable_entry.mem.flags); 363 printk(" mem nwin: 0x%x\n", parse.cftable_entry.mem.nwin); 364 printk(" subtuples: 0x%x\n", parse.cftable_entry.subtuples); 365#endif 366 367#if 0 368 link->io.NumPorts1 = 0x20; 369 link->io.IOAddrLines = 5; 370 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; 371#endif 372 link->io.NumPorts1 = parse.cftable_entry.io.win[0].len; 373 link->io.IOAddrLines = 374 parse.cftable_entry.io.flags & CISTPL_IO_LINES_MASK; 375 link->io.NumPorts2 = 0; 376 377 { 378 int base; 379 for (base = 0x000; base < 0x400; base += 0x20) { 380 link->io.BasePort1 = base; 381 ret = pcmcia_request_io(link, &link->io); 382 //printk("RequestIO 0x%02x\n",ret); 383 if (!ret) 384 break; 385 } 386 } 387 388 link->irq.IRQInfo1 = parse.cftable_entry.irq.IRQInfo1; 389 link->irq.IRQInfo2 = parse.cftable_entry.irq.IRQInfo2; 390 ret = pcmcia_request_irq(link, &link->irq); 391 if (ret) { 392 printk("pcmcia_request_irq() returned error: %i\n", ret); 393 } 394 //printk("RequestIRQ 0x%02x\n",ret); 395 396 link->conf.ConfigIndex = 1; 397 398 ret = pcmcia_request_configuration(link, &link->conf); 399 //printk("RequestConfiguration %d\n",ret); 400 401 link->dev_node = &dev_node; 402} 403 404static int mio_cs_attach(struct comedi_device * dev, comedi_devconfig * it) 405{ 406 struct pcmcia_device *link; 407 unsigned int irq; 408 int ret; 409 410 DPRINTK("mio_cs_attach(dev=%p,it=%p)\n", dev, it); 411 412 link = cur_dev; /* XXX hack */ 413 if (!link) 414 return -EIO; 415 416 dev->driver = &driver_ni_mio_cs; 417 dev->iobase = link->io.BasePort1; 418 419 irq = link->irq.AssignedIRQ; 420 421 printk("comedi%d: %s: DAQCard: io 0x%04lx, irq %u, ", 422 dev->minor, dev->driver->driver_name, dev->iobase, irq); 423 424#if 0 425 { 426 int i; 427 428 printk(" board fingerprint:"); 429 for (i = 0; i < 32; i += 2) { 430 printk(" %04x %02x", inw(dev->iobase + i), 431 inb(dev->iobase + i + 1)); 432 } 433 printk("\n"); 434 printk(" board fingerprint (windowed):"); 435 for (i = 0; i < 10; i++) { 436 printk(" 0x%04x", win_in(i)); 437 } 438 printk("\n"); 439 } 440#endif 441 442 dev->board_ptr = ni_boards + ni_getboardtype(dev, link); 443 444 printk(" %s", boardtype.name); 445 dev->board_name = boardtype.name; 446 447 if ((ret = comedi_request_irq(irq, ni_E_interrupt, NI_E_IRQ_FLAGS, 448 "ni_mio_cs", dev)) < 0) { 449 printk(" irq not available\n"); 450 return -EINVAL; 451 } 452 dev->irq = irq; 453 454 /* allocate private area */ 455 if ((ret = ni_alloc_private(dev)) < 0) 456 return ret; 457 devpriv->stc_writew = &mio_cs_win_out; 458 devpriv->stc_readw = &mio_cs_win_in; 459 devpriv->stc_writel = &win_out2; 460 devpriv->stc_readl = &win_in2; 461 462 if ((ret = ni_E_init(dev, it)) < 0) { 463 return ret; 464 } 465 466 return 0; 467} 468 469static int get_prodid(struct comedi_device * dev, struct pcmcia_device *link) 470{ 471 tuple_t tuple; 472 u_short buf[128]; 473 int prodid = 0; 474 475 tuple.TupleData = (cisdata_t *) buf; 476 tuple.TupleOffset = 0; 477 tuple.TupleDataMax = 255; 478 tuple.DesiredTuple = CISTPL_MANFID; 479 tuple.Attributes = TUPLE_RETURN_COMMON; 480 if ((pcmcia_get_first_tuple(link, &tuple) == 0) && 481 (pcmcia_get_tuple_data(link, &tuple) == 0)) { 482 prodid = le16_to_cpu(buf[1]); 483 } 484 485 return prodid; 486} 487 488static int ni_getboardtype(struct comedi_device * dev, struct pcmcia_device *link) 489{ 490 int id; 491 int i; 492 493 id = get_prodid(dev, link); 494 495 for (i = 0; i < n_ni_boards; i++) { 496 if (ni_boards[i].device_id == id) { 497 return i; 498 } 499 } 500 501 printk("unknown board 0x%04x -- pretend it is a ", id); 502 503 return 0; 504} 505 506#ifdef MODULE 507 508MODULE_LICENSE("GPL"); 509 510static struct pcmcia_device_id ni_mio_cs_ids[] = { 511 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x010d), /* DAQCard-ai-16xe-50 */ 512 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x010c), /* DAQCard-ai-16e-4 */ 513 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x02c4), /* DAQCard-6062E */ 514 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x075e), /* DAQCard-6024E */ 515 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x0245), /* DAQCard-6036E */ 516 PCMCIA_DEVICE_NULL 517}; 518 519MODULE_DEVICE_TABLE(pcmcia, ni_mio_cs_ids); 520 521struct pcmcia_driver ni_mio_cs_driver = { 522 .probe = &cs_attach, 523 .remove = &cs_detach, 524 .suspend = &mio_cs_suspend, 525 .resume = &mio_cs_resume, 526 .id_table = ni_mio_cs_ids, 527 .owner = THIS_MODULE, 528 .drv = { 529 .name = dev_info, 530 }, 531}; 532 533int init_module(void) 534{ 535 pcmcia_register_driver(&ni_mio_cs_driver); 536 comedi_driver_register(&driver_ni_mio_cs); 537 return 0; 538} 539 540void cleanup_module(void) 541{ 542 pcmcia_unregister_driver(&ni_mio_cs_driver); 543#if 0 544 while (cur_dev != NULL) 545 cs_detach(cur_dev->handle); 546#endif 547 comedi_driver_unregister(&driver_ni_mio_cs); 548} 549#endif 550