ni_mio_cs.c revision 6c7f81967b8984e6fb6b1f04c63f32d90a15c479
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->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING; 276 link->conf.Attributes = CONF_ENABLE_IRQ; 277 link->conf.IntType = INT_MEMORY_AND_IO; 278 279 cur_dev = link; 280 281 mio_cs_config(link); 282 283 return 0; 284} 285 286static void cs_release(struct pcmcia_device *link) 287{ 288 pcmcia_disable_device(link); 289} 290 291static void cs_detach(struct pcmcia_device *link) 292{ 293 DPRINTK("cs_detach(link=%p)\n", link); 294 295 if (link->dev_node) 296 cs_release(link); 297} 298 299static int mio_cs_suspend(struct pcmcia_device *link) 300{ 301 DPRINTK("pm suspend\n"); 302 303 return 0; 304} 305 306static int mio_cs_resume(struct pcmcia_device *link) 307{ 308 DPRINTK("pm resume\n"); 309 return 0; 310} 311 312 313static int mio_pcmcia_config_loop(struct pcmcia_device *p_dev, 314 cistpl_cftable_entry_t *cfg, 315 cistpl_cftable_entry_t *dflt, 316 unsigned int vcc, 317 void *priv_data) 318{ 319 int base, ret; 320 321 p_dev->io.NumPorts1 = cfg->io.win[0].len; 322 p_dev->io.IOAddrLines = cfg->io.flags & CISTPL_IO_LINES_MASK; 323 p_dev->io.NumPorts2 = 0; 324 325 for (base = 0x000; base < 0x400; base += 0x20) { 326 p_dev->io.BasePort1 = base; 327 ret = pcmcia_request_io(p_dev, &p_dev->io); 328 if (!ret) 329 return 0; 330 } 331 return -ENODEV; 332} 333 334 335static void mio_cs_config(struct pcmcia_device *link) 336{ 337 int ret; 338 339 DPRINTK("mio_cs_config(link=%p)\n", link); 340 341 ret = pcmcia_loop_config(link, mio_pcmcia_config_loop, NULL); 342 if (ret) { 343 dev_warn(&link->dev, "no configuration found\n"); 344 return; 345 } 346 347 ret = pcmcia_request_irq(link, &link->irq); 348 if (ret) { 349 printk("pcmcia_request_irq() returned error: %i\n", ret); 350 } 351 352 ret = pcmcia_request_configuration(link, &link->conf); 353 354 link->dev_node = &dev_node; 355} 356 357static int mio_cs_attach(struct comedi_device *dev, struct comedi_devconfig *it) 358{ 359 struct pcmcia_device *link; 360 unsigned int irq; 361 int ret; 362 363 DPRINTK("mio_cs_attach(dev=%p,it=%p)\n", dev, it); 364 365 link = cur_dev; /* XXX hack */ 366 if (!link) 367 return -EIO; 368 369 dev->driver = &driver_ni_mio_cs; 370 dev->iobase = link->io.BasePort1; 371 372 irq = link->irq.AssignedIRQ; 373 374 printk("comedi%d: %s: DAQCard: io 0x%04lx, irq %u, ", 375 dev->minor, dev->driver->driver_name, dev->iobase, irq); 376 377#if 0 378 { 379 int i; 380 381 printk(" board fingerprint:"); 382 for (i = 0; i < 32; i += 2) { 383 printk(" %04x %02x", inw(dev->iobase + i), 384 inb(dev->iobase + i + 1)); 385 } 386 printk("\n"); 387 printk(" board fingerprint (windowed):"); 388 for (i = 0; i < 10; i++) 389 printk(" 0x%04x", win_in(i)); 390 printk("\n"); 391 } 392#endif 393 394 dev->board_ptr = ni_boards + ni_getboardtype(dev, link); 395 396 printk(" %s", boardtype.name); 397 dev->board_name = boardtype.name; 398 399 ret = request_irq(irq, ni_E_interrupt, NI_E_IRQ_FLAGS, 400 "ni_mio_cs", dev); 401 if (ret < 0) { 402 printk(" irq not available\n"); 403 return -EINVAL; 404 } 405 dev->irq = irq; 406 407 /* allocate private area */ 408 ret = ni_alloc_private(dev); 409 if (ret < 0) 410 return ret; 411 412 devpriv->stc_writew = &mio_cs_win_out; 413 devpriv->stc_readw = &mio_cs_win_in; 414 devpriv->stc_writel = &win_out2; 415 devpriv->stc_readl = &win_in2; 416 417 ret = ni_E_init(dev, it); 418 419 if (ret < 0) 420 return ret; 421 422 return 0; 423} 424 425static int ni_getboardtype(struct comedi_device *dev, 426 struct pcmcia_device *link) 427{ 428 int i; 429 430 for (i = 0; i < n_ni_boards; i++) { 431 if (ni_boards[i].device_id == link->card_id) 432 return i; 433 } 434 435 printk("unknown board 0x%04x -- pretend it is a ", link->card_id); 436 437 return 0; 438} 439 440#ifdef MODULE 441 442static struct pcmcia_device_id ni_mio_cs_ids[] = { 443 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x010d), /* DAQCard-ai-16xe-50 */ 444 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x010c), /* DAQCard-ai-16e-4 */ 445 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x02c4), /* DAQCard-6062E */ 446 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x075e), /* DAQCard-6024E */ 447 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x0245), /* DAQCard-6036E */ 448 PCMCIA_DEVICE_NULL 449}; 450 451MODULE_DEVICE_TABLE(pcmcia, ni_mio_cs_ids); 452MODULE_AUTHOR("David A. Schleef <ds@schleef.org>"); 453MODULE_DESCRIPTION("Comedi driver for National Instruments DAQCard E series"); 454MODULE_LICENSE("GPL"); 455 456struct pcmcia_driver ni_mio_cs_driver = { 457 .probe = &cs_attach, 458 .remove = &cs_detach, 459 .suspend = &mio_cs_suspend, 460 .resume = &mio_cs_resume, 461 .id_table = ni_mio_cs_ids, 462 .owner = THIS_MODULE, 463 .drv = { 464 .name = dev_info, 465 }, 466}; 467 468int init_module(void) 469{ 470 pcmcia_register_driver(&ni_mio_cs_driver); 471 comedi_driver_register(&driver_ni_mio_cs); 472 return 0; 473} 474 475void cleanup_module(void) 476{ 477 pcmcia_unregister_driver(&ni_mio_cs_driver); 478#if 0 479 while (cur_dev != NULL) 480 cs_detach(cur_dev->handle); 481#endif 482 comedi_driver_unregister(&driver_ni_mio_cs); 483} 484#endif 485