| 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 | /* |
| 24 | Driver: ni_mio_cs |
| 25 | Description: National Instruments DAQCard E series |
| 26 | Author: ds |
| 27 | Status: works |
| 28 | Devices: [National Instruments] DAQCard-AI-16XE-50 (ni_mio_cs), |
| 29 | DAQCard-AI-16E-4, DAQCard-6062E, DAQCard-6024E, DAQCard-6036E |
| 30 | Updated: Thu Oct 23 19:43:17 CDT 2003 |
| 31 | |
| 32 | See 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/cistpl.h> |
| 52 | #include <pcmcia/ds.h> |
| 53 | |
| 54 | #undef DEBUG |
| 55 | |
| 56 | #define ATMIO 1 |
| 57 | #undef PCIMIO |
| 58 | |
| 59 | /* |
| 60 | * AT specific setup |
| 61 | */ |
| 62 | |
| 63 | #define NI_SIZE 0x20 |
| 64 | |
| 65 | #define MAX_N_CALDACS 32 |
| 66 | |
| 67 | static const struct ni_board_struct ni_boards[] = { |
| 68 | {.device_id = 0x010d, |
| 69 | .name = "DAQCard-ai-16xe-50", |
| 70 | .n_adchan = 16, |
| 71 | .adbits = 16, |
| 72 | .ai_fifo_depth = 1024, |
| 73 | .alwaysdither = 0, |
| 74 | .gainlkup = ai_gain_8, |
| 75 | .ai_speed = 5000, |
| 76 | .n_aochan = 0, |
| 77 | .aobits = 0, |
| 78 | .ao_fifo_depth = 0, |
| 79 | .ao_unipolar = 0, |
| 80 | .num_p0_dio_channels = 8, |
| 81 | .has_8255 = 0, |
| 82 | .caldac = {dac8800, dac8043}, |
| 83 | }, |
| 84 | {.device_id = 0x010c, |
| 85 | .name = "DAQCard-ai-16e-4", |
| 86 | .n_adchan = 16, |
| 87 | .adbits = 12, |
| 88 | .ai_fifo_depth = 1024, |
| 89 | .alwaysdither = 0, |
| 90 | .gainlkup = ai_gain_16, |
| 91 | .ai_speed = 4000, |
| 92 | .n_aochan = 0, |
| 93 | .aobits = 0, |
| 94 | .ao_fifo_depth = 0, |
| 95 | .ao_unipolar = 0, |
| 96 | .num_p0_dio_channels = 8, |
| 97 | .has_8255 = 0, |
| 98 | .caldac = {mb88341}, /* verified */ |
| 99 | }, |
| 100 | {.device_id = 0x02c4, |
| 101 | .name = "DAQCard-6062E", |
| 102 | .n_adchan = 16, |
| 103 | .adbits = 12, |
| 104 | .ai_fifo_depth = 8192, |
| 105 | .alwaysdither = 0, |
| 106 | .gainlkup = ai_gain_16, |
| 107 | .ai_speed = 2000, |
| 108 | .n_aochan = 2, |
| 109 | .aobits = 12, |
| 110 | .ao_fifo_depth = 2048, |
| 111 | .ao_range_table = &range_bipolar10, |
| 112 | .ao_unipolar = 0, |
| 113 | .ao_speed = 1176, |
| 114 | .num_p0_dio_channels = 8, |
| 115 | .has_8255 = 0, |
| 116 | .caldac = {ad8804_debug}, /* verified */ |
| 117 | }, |
| 118 | {.device_id = 0x075e, |
| 119 | .name = "DAQCard-6024E", /* specs incorrect! */ |
| 120 | .n_adchan = 16, |
| 121 | .adbits = 12, |
| 122 | .ai_fifo_depth = 1024, |
| 123 | .alwaysdither = 0, |
| 124 | .gainlkup = ai_gain_4, |
| 125 | .ai_speed = 5000, |
| 126 | .n_aochan = 2, |
| 127 | .aobits = 12, |
| 128 | .ao_fifo_depth = 0, |
| 129 | .ao_range_table = &range_bipolar10, |
| 130 | .ao_unipolar = 0, |
| 131 | .ao_speed = 1000000, |
| 132 | .num_p0_dio_channels = 8, |
| 133 | .has_8255 = 0, |
| 134 | .caldac = {ad8804_debug}, |
| 135 | }, |
| 136 | {.device_id = 0x0245, |
| 137 | .name = "DAQCard-6036E", /* specs incorrect! */ |
| 138 | .n_adchan = 16, |
| 139 | .adbits = 16, |
| 140 | .ai_fifo_depth = 1024, |
| 141 | .alwaysdither = 1, |
| 142 | .gainlkup = ai_gain_4, |
| 143 | .ai_speed = 5000, |
| 144 | .n_aochan = 2, |
| 145 | .aobits = 16, |
| 146 | .ao_fifo_depth = 0, |
| 147 | .ao_range_table = &range_bipolar10, |
| 148 | .ao_unipolar = 0, |
| 149 | .ao_speed = 1000000, |
| 150 | .num_p0_dio_channels = 8, |
| 151 | .has_8255 = 0, |
| 152 | .caldac = {ad8804_debug}, |
| 153 | }, |
| 154 | #if 0 |
| 155 | {.device_id = 0x0000, /* unknown */ |
| 156 | .name = "DAQCard-6715", |
| 157 | .n_adchan = 0, |
| 158 | .n_aochan = 8, |
| 159 | .aobits = 12, |
| 160 | .ao_671x = 8192, |
| 161 | .num_p0_dio_channels = 8, |
| 162 | .caldac = {mb88341, mb88341}, |
| 163 | }, |
| 164 | #endif |
| 165 | /* N.B. Update ni_mio_cs_ids[] when entries added above. */ |
| 166 | }; |
| 167 | |
| 168 | #define interrupt_pin(a) 0 |
| 169 | |
| 170 | #define IRQ_POLARITY 1 |
| 171 | |
| 172 | #define NI_E_IRQ_FLAGS IRQF_SHARED |
| 173 | |
| 174 | struct ni_private { |
| 175 | |
| 176 | struct pcmcia_device *link; |
| 177 | |
| 178 | NI_PRIVATE_COMMON}; |
| 179 | |
| 180 | #define devpriv ((struct 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 | |
| 197 | static void mio_cs_win_out(struct comedi_device *dev, uint16_t data, int addr) |
| 198 | { |
| 199 | unsigned long flags; |
| 200 | |
| 201 | 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 | spin_unlock_irqrestore(&devpriv->window_lock, flags); |
| 209 | } |
| 210 | |
| 211 | static uint16_t mio_cs_win_in(struct comedi_device *dev, int addr) |
| 212 | { |
| 213 | unsigned long flags; |
| 214 | uint16_t ret; |
| 215 | |
| 216 | 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 | spin_unlock_irqrestore(&devpriv->window_lock, flags); |
| 224 | |
| 225 | return ret; |
| 226 | } |
| 227 | |
| 228 | static int mio_cs_attach(struct comedi_device *dev, |
| 229 | struct comedi_devconfig *it); |
| 230 | static void mio_cs_detach(struct comedi_device *dev); |
| 231 | static struct comedi_driver driver_ni_mio_cs = { |
| 232 | .driver_name = "ni_mio_cs", |
| 233 | .module = THIS_MODULE, |
| 234 | .attach = mio_cs_attach, |
| 235 | .detach = mio_cs_detach, |
| 236 | }; |
| 237 | |
| 238 | #include "ni_mio_common.c" |
| 239 | |
| 240 | static int ni_getboardtype(struct comedi_device *dev, |
| 241 | struct pcmcia_device *link); |
| 242 | |
| 243 | static void mio_cs_detach(struct comedi_device *dev) |
| 244 | { |
| 245 | mio_common_detach(dev); |
| 246 | if (dev->irq) |
| 247 | free_irq(dev->irq, dev); |
| 248 | } |
| 249 | |
| 250 | static void mio_cs_config(struct pcmcia_device *link); |
| 251 | static void cs_release(struct pcmcia_device *link); |
| 252 | static void cs_detach(struct pcmcia_device *); |
| 253 | |
| 254 | static struct pcmcia_device *cur_dev = NULL; |
| 255 | |
| 256 | static int cs_attach(struct pcmcia_device *link) |
| 257 | { |
| 258 | cur_dev = link; |
| 259 | |
| 260 | mio_cs_config(link); |
| 261 | |
| 262 | return 0; |
| 263 | } |
| 264 | |
| 265 | static void cs_release(struct pcmcia_device *link) |
| 266 | { |
| 267 | pcmcia_disable_device(link); |
| 268 | } |
| 269 | |
| 270 | static void cs_detach(struct pcmcia_device *link) |
| 271 | { |
| 272 | cs_release(link); |
| 273 | } |
| 274 | |
| 275 | static int mio_cs_suspend(struct pcmcia_device *link) |
| 276 | { |
| 277 | DPRINTK("pm suspend\n"); |
| 278 | |
| 279 | return 0; |
| 280 | } |
| 281 | |
| 282 | static int mio_cs_resume(struct pcmcia_device *link) |
| 283 | { |
| 284 | DPRINTK("pm resume\n"); |
| 285 | return 0; |
| 286 | } |
| 287 | |
| 288 | |
| 289 | static int mio_pcmcia_config_loop(struct pcmcia_device *p_dev, void *priv_data) |
| 290 | { |
| 291 | int base, ret; |
| 292 | |
| 293 | p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; |
| 294 | p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_16; |
| 295 | |
| 296 | for (base = 0x000; base < 0x400; base += 0x20) { |
| 297 | p_dev->resource[0]->start = base; |
| 298 | ret = pcmcia_request_io(p_dev); |
| 299 | if (!ret) |
| 300 | return 0; |
| 301 | } |
| 302 | return -ENODEV; |
| 303 | } |
| 304 | |
| 305 | |
| 306 | static void mio_cs_config(struct pcmcia_device *link) |
| 307 | { |
| 308 | int ret; |
| 309 | |
| 310 | DPRINTK("mio_cs_config(link=%p)\n", link); |
| 311 | link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO; |
| 312 | |
| 313 | ret = pcmcia_loop_config(link, mio_pcmcia_config_loop, NULL); |
| 314 | if (ret) { |
| 315 | dev_warn(&link->dev, "no configuration found\n"); |
| 316 | return; |
| 317 | } |
| 318 | |
| 319 | if (!link->irq) |
| 320 | dev_info(&link->dev, "no IRQ available\n"); |
| 321 | |
| 322 | ret = pcmcia_enable_device(link); |
| 323 | } |
| 324 | |
| 325 | static int mio_cs_attach(struct comedi_device *dev, struct comedi_devconfig *it) |
| 326 | { |
| 327 | struct pcmcia_device *link; |
| 328 | unsigned int irq; |
| 329 | int ret; |
| 330 | |
| 331 | DPRINTK("mio_cs_attach(dev=%p,it=%p)\n", dev, it); |
| 332 | |
| 333 | link = cur_dev; /* XXX hack */ |
| 334 | if (!link) |
| 335 | return -EIO; |
| 336 | |
| 337 | dev->driver = &driver_ni_mio_cs; |
| 338 | dev->iobase = link->resource[0]->start; |
| 339 | |
| 340 | irq = link->irq; |
| 341 | |
| 342 | printk("comedi%d: %s: DAQCard: io 0x%04lx, irq %u, ", |
| 343 | dev->minor, dev->driver->driver_name, dev->iobase, irq); |
| 344 | |
| 345 | #if 0 |
| 346 | { |
| 347 | int i; |
| 348 | |
| 349 | printk(" board fingerprint:"); |
| 350 | for (i = 0; i < 32; i += 2) { |
| 351 | printk(" %04x %02x", inw(dev->iobase + i), |
| 352 | inb(dev->iobase + i + 1)); |
| 353 | } |
| 354 | printk("\n"); |
| 355 | printk(" board fingerprint (windowed):"); |
| 356 | for (i = 0; i < 10; i++) |
| 357 | printk(" 0x%04x", win_in(i)); |
| 358 | printk("\n"); |
| 359 | } |
| 360 | #endif |
| 361 | |
| 362 | dev->board_ptr = ni_boards + ni_getboardtype(dev, link); |
| 363 | |
| 364 | printk(" %s", boardtype.name); |
| 365 | dev->board_name = boardtype.name; |
| 366 | |
| 367 | ret = request_irq(irq, ni_E_interrupt, NI_E_IRQ_FLAGS, |
| 368 | "ni_mio_cs", dev); |
| 369 | if (ret < 0) { |
| 370 | printk(" irq not available\n"); |
| 371 | return -EINVAL; |
| 372 | } |
| 373 | dev->irq = irq; |
| 374 | |
| 375 | /* allocate private area */ |
| 376 | ret = ni_alloc_private(dev); |
| 377 | if (ret < 0) |
| 378 | return ret; |
| 379 | |
| 380 | devpriv->stc_writew = &mio_cs_win_out; |
| 381 | devpriv->stc_readw = &mio_cs_win_in; |
| 382 | devpriv->stc_writel = &win_out2; |
| 383 | devpriv->stc_readl = &win_in2; |
| 384 | |
| 385 | ret = ni_E_init(dev); |
| 386 | |
| 387 | if (ret < 0) |
| 388 | return ret; |
| 389 | |
| 390 | return 0; |
| 391 | } |
| 392 | |
| 393 | static int ni_getboardtype(struct comedi_device *dev, |
| 394 | struct pcmcia_device *link) |
| 395 | { |
| 396 | int i; |
| 397 | |
| 398 | for (i = 0; i < n_ni_boards; i++) { |
| 399 | if (ni_boards[i].device_id == link->card_id) |
| 400 | return i; |
| 401 | } |
| 402 | |
| 403 | printk("unknown board 0x%04x -- pretend it is a ", link->card_id); |
| 404 | |
| 405 | return 0; |
| 406 | } |
| 407 | |
| 408 | #ifdef MODULE |
| 409 | |
| 410 | static const struct pcmcia_device_id ni_mio_cs_ids[] = { |
| 411 | PCMCIA_DEVICE_MANF_CARD(0x010b, 0x010d), /* DAQCard-ai-16xe-50 */ |
| 412 | PCMCIA_DEVICE_MANF_CARD(0x010b, 0x010c), /* DAQCard-ai-16e-4 */ |
| 413 | PCMCIA_DEVICE_MANF_CARD(0x010b, 0x02c4), /* DAQCard-6062E */ |
| 414 | PCMCIA_DEVICE_MANF_CARD(0x010b, 0x075e), /* DAQCard-6024E */ |
| 415 | PCMCIA_DEVICE_MANF_CARD(0x010b, 0x0245), /* DAQCard-6036E */ |
| 416 | PCMCIA_DEVICE_NULL |
| 417 | }; |
| 418 | |
| 419 | MODULE_DEVICE_TABLE(pcmcia, ni_mio_cs_ids); |
| 420 | MODULE_AUTHOR("David A. Schleef <ds@schleef.org>"); |
| 421 | MODULE_DESCRIPTION("Comedi driver for National Instruments DAQCard E series"); |
| 422 | MODULE_LICENSE("GPL"); |
| 423 | |
| 424 | static struct pcmcia_driver ni_mio_cs_driver = { |
| 425 | .probe = &cs_attach, |
| 426 | .remove = &cs_detach, |
| 427 | .suspend = &mio_cs_suspend, |
| 428 | .resume = &mio_cs_resume, |
| 429 | .id_table = ni_mio_cs_ids, |
| 430 | .owner = THIS_MODULE, |
| 431 | .name = "ni_mio_cs", |
| 432 | }; |
| 433 | |
| 434 | int init_module(void) |
| 435 | { |
| 436 | pcmcia_register_driver(&ni_mio_cs_driver); |
| 437 | comedi_driver_register(&driver_ni_mio_cs); |
| 438 | return 0; |
| 439 | } |
| 440 | |
| 441 | void cleanup_module(void) |
| 442 | { |
| 443 | pcmcia_unregister_driver(&ni_mio_cs_driver); |
| 444 | #if 0 |
| 445 | while (cur_dev != NULL) |
| 446 | cs_detach(cur_dev->handle); |
| 447 | #endif |
| 448 | comedi_driver_unregister(&driver_ni_mio_cs); |
| 449 | } |
| 450 | #endif |