| 1 | /** |
| 2 | @verbatim |
| 3 | |
| 4 | Copyright (C) 2004,2005 ADDI-DATA GmbH for the source code of this module. |
| 5 | |
| 6 | ADDI-DATA GmbH |
| 7 | Dieselstrasse 3 |
| 8 | D-77833 Ottersweier |
| 9 | Tel: +19(0)7223/9493-0 |
| 10 | Fax: +49(0)7223/9493-92 |
| 11 | http://www.addi-data-com |
| 12 | info@addi-data.com |
| 13 | |
| 14 | This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. |
| 15 | |
| 16 | This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | |
| 20 | You shoud also find the complete GPL in the COPYING file accompanying this source code. |
| 21 | |
| 22 | @endverbatim |
| 23 | */ |
| 24 | /* |
| 25 | |
| 26 | +-----------------------------------------------------------------------+ |
| 27 | | (C) ADDI-DATA GmbH Dieselstraße 3 D-77833 Ottersweier | |
| 28 | +-----------------------------------------------------------------------+ |
| 29 | | Tel : +49 (0) 7223/9493-0 | email : info@addi-data.com | |
| 30 | | Fax : +49 (0) 7223/9493-92 | Internet : http://www.addi-data.com | |
| 31 | +-------------------------------+---------------------------------------+ |
| 32 | | Project : APCI-1564 | Compiler : GCC | |
| 33 | | Module name : hwdrv_apci1564.c| Version : 2.96 | |
| 34 | +-------------------------------+---------------------------------------+ |
| 35 | | Project manager: Eric Stolz | Date : 02/12/2002 | |
| 36 | +-------------------------------+---------------------------------------+ |
| 37 | | Description : Hardware Layer Acces For APCI-1564 | |
| 38 | +-----------------------------------------------------------------------+ |
| 39 | | UPDATES | |
| 40 | +----------+-----------+------------------------------------------------+ |
| 41 | | Date | Author | Description of updates | |
| 42 | +----------+-----------+------------------------------------------------+ |
| 43 | | | | | |
| 44 | | | | | |
| 45 | | | | | |
| 46 | +----------+-----------+------------------------------------------------+ |
| 47 | */ |
| 48 | |
| 49 | /* |
| 50 | +----------------------------------------------------------------------------+ |
| 51 | | Included files | |
| 52 | +----------------------------------------------------------------------------+ |
| 53 | */ |
| 54 | |
| 55 | #include <linux/delay.h> |
| 56 | #include "hwdrv_apci1564.h" |
| 57 | |
| 58 | //Global variables |
| 59 | UINT ui_InterruptStatus_1564 = 0; |
| 60 | UINT ui_InterruptData, ui_Type; |
| 61 | |
| 62 | /* |
| 63 | +----------------------------------------------------------------------------+ |
| 64 | | Function Name : int i_APCI1564_ConfigDigitalInput | |
| 65 | | (struct comedi_device *dev,struct comedi_subdevice *s, | |
| 66 | | struct comedi_insn *insn,unsigned int *data) | |
| 67 | +----------------------------------------------------------------------------+ |
| 68 | | Task : Configures the digital input Subdevice | |
| 69 | +----------------------------------------------------------------------------+ |
| 70 | | Input Parameters : struct comedi_device *dev : Driver handle | |
| 71 | | unsigned int *data : Data Pointer contains | |
| 72 | | configuration parameters as below | |
| 73 | | | |
| 74 | | data[0] : 1 Enable Digital Input Interrupt | |
| 75 | | 0 Disable Digital Input Interrupt | |
| 76 | | data[1] : 0 ADDIDATA Interrupt OR LOGIC | |
| 77 | | : 1 ADDIDATA Interrupt AND LOGIC | |
| 78 | | data[2] : Interrupt mask for the mode 1 | |
| 79 | | data[3] : Interrupt mask for the mode 2 | |
| 80 | | | |
| 81 | +----------------------------------------------------------------------------+ |
| 82 | | Output Parameters : -- | |
| 83 | +----------------------------------------------------------------------------+ |
| 84 | | Return Value : TRUE : No error occur | |
| 85 | | : FALSE : Error occur. Return the error | |
| 86 | | | |
| 87 | +----------------------------------------------------------------------------+ |
| 88 | */ |
| 89 | INT i_APCI1564_ConfigDigitalInput(struct comedi_device * dev, struct comedi_subdevice * s, |
| 90 | struct comedi_insn * insn, unsigned int * data) |
| 91 | { |
| 92 | devpriv->tsk_Current = current; |
| 93 | /*******************************/ |
| 94 | /* Set the digital input logic */ |
| 95 | /*******************************/ |
| 96 | if (data[0] == ADDIDATA_ENABLE) { |
| 97 | data[2] = data[2] << 4; |
| 98 | data[3] = data[3] << 4; |
| 99 | outl(data[2], |
| 100 | devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP + |
| 101 | APCI1564_DIGITAL_IP_INTERRUPT_MODE1); |
| 102 | outl(data[3], |
| 103 | devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP + |
| 104 | APCI1564_DIGITAL_IP_INTERRUPT_MODE2); |
| 105 | if (data[1] == ADDIDATA_OR) { |
| 106 | outl(0x4, |
| 107 | devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP + |
| 108 | APCI1564_DIGITAL_IP_IRQ); |
| 109 | } // if (data[1] == ADDIDATA_OR) |
| 110 | else { |
| 111 | outl(0x6, |
| 112 | devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP + |
| 113 | APCI1564_DIGITAL_IP_IRQ); |
| 114 | } // else if (data[1] == ADDIDATA_OR) |
| 115 | } // if (data[0] == ADDIDATA_ENABLE) |
| 116 | else { |
| 117 | outl(0x0, |
| 118 | devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP + |
| 119 | APCI1564_DIGITAL_IP_INTERRUPT_MODE1); |
| 120 | outl(0x0, |
| 121 | devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP + |
| 122 | APCI1564_DIGITAL_IP_INTERRUPT_MODE2); |
| 123 | outl(0x0, |
| 124 | devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP + |
| 125 | APCI1564_DIGITAL_IP_IRQ); |
| 126 | } // else if (data[0] == ADDIDATA_ENABLE) |
| 127 | |
| 128 | return insn->n; |
| 129 | } |
| 130 | |
| 131 | /* |
| 132 | +----------------------------------------------------------------------------+ |
| 133 | | Function Name : int i_APCI1564_Read1DigitalInput | |
| 134 | | (struct comedi_device *dev,struct comedi_subdevice *s, | |
| 135 | | struct comedi_insn *insn,unsigned int *data) | |
| 136 | +----------------------------------------------------------------------------+ |
| 137 | | Task : Return the status of the digital input | |
| 138 | +----------------------------------------------------------------------------+ |
| 139 | | Input Parameters : struct comedi_device *dev : Driver handle | |
| 140 | | UINT ui_Channel : Channel number to read | |
| 141 | | unsigned int *data : Data Pointer to read status | |
| 142 | +----------------------------------------------------------------------------+ |
| 143 | | Output Parameters : -- | |
| 144 | +----------------------------------------------------------------------------+ |
| 145 | | Return Value : TRUE : No error occur | |
| 146 | | : FALSE : Error occur. Return the error | |
| 147 | | | |
| 148 | +----------------------------------------------------------------------------+ |
| 149 | */ |
| 150 | INT i_APCI1564_Read1DigitalInput(struct comedi_device * dev, struct comedi_subdevice * s, |
| 151 | struct comedi_insn * insn, unsigned int * data) |
| 152 | { |
| 153 | UINT ui_TmpValue = 0; |
| 154 | UINT ui_Channel; |
| 155 | |
| 156 | ui_Channel = CR_CHAN(insn->chanspec); |
| 157 | if (ui_Channel >= 0 && ui_Channel <= 31) { |
| 158 | ui_TmpValue = |
| 159 | (UINT) inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP); |
| 160 | // since only 1 channel reqd to bring it to last bit it is rotated |
| 161 | // 8 +(chan - 1) times then ANDed with 1 for last bit. |
| 162 | *data = (ui_TmpValue >> ui_Channel) & 0x1; |
| 163 | } // if (ui_Channel >= 0 && ui_Channel <=31) |
| 164 | else { |
| 165 | comedi_error(dev, "Not a valid channel number !!! \n"); |
| 166 | return -EINVAL; // "sorry channel spec wrong " |
| 167 | } //else if (ui_Channel >= 0 && ui_Channel <=31) |
| 168 | return insn->n; |
| 169 | } |
| 170 | |
| 171 | /* |
| 172 | +----------------------------------------------------------------------------+ |
| 173 | | Function Name : int i_APCI1564_ReadMoreDigitalInput | |
| 174 | | (struct comedi_device *dev,struct comedi_subdevice *s, | |
| 175 | | struct comedi_insn *insn,unsigned int *data) | |
| 176 | +----------------------------------------------------------------------------+ |
| 177 | | Task : Return the status of the Requested digital inputs | |
| 178 | +----------------------------------------------------------------------------+ |
| 179 | | Input Parameters : struct comedi_device *dev : Driver handle | |
| 180 | | UINT ui_NoOfChannels : No Of Channels To be Read | |
| 181 | | UINT *data : Data Pointer to read status | |
| 182 | +----------------------------------------------------------------------------+ |
| 183 | | Output Parameters : -- | |
| 184 | +----------------------------------------------------------------------------+ |
| 185 | | Return Value : TRUE : No error occur | |
| 186 | | : FALSE : Error occur. Return the error | |
| 187 | | | |
| 188 | +----------------------------------------------------------------------------+ |
| 189 | */ |
| 190 | INT i_APCI1564_ReadMoreDigitalInput(struct comedi_device * dev, struct comedi_subdevice * s, |
| 191 | struct comedi_insn * insn, unsigned int * data) |
| 192 | { |
| 193 | UINT ui_PortValue = data[0]; |
| 194 | UINT ui_Mask = 0; |
| 195 | UINT ui_NoOfChannels; |
| 196 | |
| 197 | ui_NoOfChannels = CR_CHAN(insn->chanspec); |
| 198 | if (data[1] == 0) { |
| 199 | *data = (UINT) inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP); |
| 200 | switch (ui_NoOfChannels) { |
| 201 | case 2: |
| 202 | ui_Mask = 3; |
| 203 | *data = (*data >> (2 * ui_PortValue)) & ui_Mask; |
| 204 | break; |
| 205 | case 4: |
| 206 | ui_Mask = 15; |
| 207 | *data = (*data >> (4 * ui_PortValue)) & ui_Mask; |
| 208 | break; |
| 209 | case 8: |
| 210 | ui_Mask = 255; |
| 211 | *data = (*data >> (8 * ui_PortValue)) & ui_Mask; |
| 212 | break; |
| 213 | case 16: |
| 214 | ui_Mask = 65535; |
| 215 | *data = (*data >> (16 * ui_PortValue)) & ui_Mask; |
| 216 | break; |
| 217 | case 31: |
| 218 | break; |
| 219 | default: |
| 220 | comedi_error(dev, "Not a valid Channel number !!!\n"); |
| 221 | return -EINVAL; // "sorry channel spec wrong " |
| 222 | break; |
| 223 | } // switch (ui_NoOfChannels) |
| 224 | } // if (data[1]==0) |
| 225 | else { |
| 226 | if (data[1] == 1) { |
| 227 | *data = ui_InterruptStatus_1564; |
| 228 | } // if (data[1]==1) |
| 229 | } // else if (data[1]==0) |
| 230 | return insn->n; |
| 231 | } |
| 232 | |
| 233 | /* |
| 234 | +----------------------------------------------------------------------------+ |
| 235 | | Function Name : int i_APCI1564_ConfigDigitalOutput | |
| 236 | | (struct comedi_device *dev,struct comedi_subdevice *s, | |
| 237 | | struct comedi_insn *insn,unsigned int *data) | |
| 238 | +----------------------------------------------------------------------------+ |
| 239 | | Task : Configures The Digital Output Subdevice. | |
| 240 | +----------------------------------------------------------------------------+ |
| 241 | | Input Parameters : struct comedi_device *dev : Driver handle | |
| 242 | | UINT *data : Data Pointer contains | |
| 243 | | configuration parameters as below | |
| 244 | | | |
| 245 | | data[1] : 1 Enable VCC Interrupt | |
| 246 | | 0 Disable VCC Interrupt | |
| 247 | | data[2] : 1 Enable CC Interrupt | |
| 248 | | 0 Disable CC Interrupt | |
| 249 | | | |
| 250 | +----------------------------------------------------------------------------+ |
| 251 | | Output Parameters : -- | |
| 252 | +----------------------------------------------------------------------------+ |
| 253 | | Return Value : TRUE : No error occur | |
| 254 | | : FALSE : Error occur. Return the error | |
| 255 | | | |
| 256 | +----------------------------------------------------------------------------+ |
| 257 | */ |
| 258 | INT i_APCI1564_ConfigDigitalOutput(struct comedi_device * dev, struct comedi_subdevice * s, |
| 259 | struct comedi_insn * insn, unsigned int * data) |
| 260 | { |
| 261 | ULONG ul_Command = 0; |
| 262 | |
| 263 | if ((data[0] != 0) && (data[0] != 1)) { |
| 264 | comedi_error(dev, |
| 265 | "Not a valid Data !!! ,Data should be 1 or 0\n"); |
| 266 | return -EINVAL; |
| 267 | } // if ((data[0]!=0) && (data[0]!=1)) |
| 268 | if (data[0]) { |
| 269 | devpriv->b_OutputMemoryStatus = ADDIDATA_ENABLE; |
| 270 | } // if (data[0]) |
| 271 | else { |
| 272 | devpriv->b_OutputMemoryStatus = ADDIDATA_DISABLE; |
| 273 | } // else if (data[0]) |
| 274 | if (data[1] == ADDIDATA_ENABLE) { |
| 275 | ul_Command = ul_Command | 0x1; |
| 276 | } // if (data[1] == ADDIDATA_ENABLE) |
| 277 | else { |
| 278 | ul_Command = ul_Command & 0xFFFFFFFE; |
| 279 | } // else if (data[1] == ADDIDATA_ENABLE) |
| 280 | if (data[2] == ADDIDATA_ENABLE) { |
| 281 | ul_Command = ul_Command | 0x2; |
| 282 | } // if (data[2] == ADDIDATA_ENABLE) |
| 283 | else { |
| 284 | ul_Command = ul_Command & 0xFFFFFFFD; |
| 285 | } // else if (data[2] == ADDIDATA_ENABLE) |
| 286 | outl(ul_Command, |
| 287 | devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP + |
| 288 | APCI1564_DIGITAL_OP_INTERRUPT); |
| 289 | ui_InterruptData = |
| 290 | inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP + |
| 291 | APCI1564_DIGITAL_OP_INTERRUPT); |
| 292 | devpriv->tsk_Current = current; |
| 293 | return insn->n; |
| 294 | } |
| 295 | |
| 296 | /* |
| 297 | +----------------------------------------------------------------------------+ |
| 298 | | Function Name : int i_APCI1564_WriteDigitalOutput | |
| 299 | | (struct comedi_device *dev,struct comedi_subdevice *s, | |
| 300 | | struct comedi_insn *insn,unsigned int *data) | |
| 301 | +----------------------------------------------------------------------------+ |
| 302 | | Task : Writes port value To the selected port | |
| 303 | +----------------------------------------------------------------------------+ |
| 304 | | Input Parameters : struct comedi_device *dev : Driver handle | |
| 305 | | UINT ui_NoOfChannels : No Of Channels To Write | |
| 306 | | UINT *data : Data Pointer to read status | |
| 307 | +----------------------------------------------------------------------------+ |
| 308 | | Output Parameters : -- | |
| 309 | +----------------------------------------------------------------------------+ |
| 310 | | Return Value : TRUE : No error occur | |
| 311 | | : FALSE : Error occur. Return the error | |
| 312 | | | |
| 313 | +----------------------------------------------------------------------------+ |
| 314 | */ |
| 315 | INT i_APCI1564_WriteDigitalOutput(struct comedi_device * dev, struct comedi_subdevice * s, |
| 316 | struct comedi_insn * insn, unsigned int * data) |
| 317 | { |
| 318 | UINT ui_Temp, ui_Temp1; |
| 319 | UINT ui_NoOfChannel; |
| 320 | |
| 321 | ui_NoOfChannel = CR_CHAN(insn->chanspec); |
| 322 | if (devpriv->b_OutputMemoryStatus) { |
| 323 | ui_Temp = |
| 324 | inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP + |
| 325 | APCI1564_DIGITAL_OP_RW); |
| 326 | } // if (devpriv->b_OutputMemoryStatus ) |
| 327 | else { |
| 328 | ui_Temp = 0; |
| 329 | } // else if (devpriv->b_OutputMemoryStatus ) |
| 330 | if (data[3] == 0) { |
| 331 | if (data[1] == 0) { |
| 332 | data[0] = (data[0] << ui_NoOfChannel) | ui_Temp; |
| 333 | outl(data[0], |
| 334 | devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP + |
| 335 | APCI1564_DIGITAL_OP_RW); |
| 336 | } // if (data[1]==0) |
| 337 | else { |
| 338 | if (data[1] == 1) { |
| 339 | switch (ui_NoOfChannel) { |
| 340 | case 2: |
| 341 | data[0] = |
| 342 | (data[0] << (2 * |
| 343 | data[2])) | ui_Temp; |
| 344 | break; |
| 345 | case 4: |
| 346 | data[0] = |
| 347 | (data[0] << (4 * |
| 348 | data[2])) | ui_Temp; |
| 349 | break; |
| 350 | case 8: |
| 351 | data[0] = |
| 352 | (data[0] << (8 * |
| 353 | data[2])) | ui_Temp; |
| 354 | break; |
| 355 | case 16: |
| 356 | data[0] = |
| 357 | (data[0] << (16 * |
| 358 | data[2])) | ui_Temp; |
| 359 | break; |
| 360 | case 31: |
| 361 | data[0] = data[0] | ui_Temp; |
| 362 | break; |
| 363 | default: |
| 364 | comedi_error(dev, " chan spec wrong"); |
| 365 | return -EINVAL; // "sorry channel spec wrong " |
| 366 | } // switch (ui_NoOfChannels) |
| 367 | outl(data[0], |
| 368 | devpriv->i_IobaseAmcc + |
| 369 | APCI1564_DIGITAL_OP + |
| 370 | APCI1564_DIGITAL_OP_RW); |
| 371 | } // if (data[1]==1) |
| 372 | else { |
| 373 | printk("\nSpecified channel not supported\n"); |
| 374 | } // else if (data[1]==1) |
| 375 | } // else if (data[1]==0) |
| 376 | } //if(data[3]==0) |
| 377 | else { |
| 378 | if (data[3] == 1) { |
| 379 | if (data[1] == 0) { |
| 380 | data[0] = ~data[0] & 0x1; |
| 381 | ui_Temp1 = 1; |
| 382 | ui_Temp1 = ui_Temp1 << ui_NoOfChannel; |
| 383 | ui_Temp = ui_Temp | ui_Temp1; |
| 384 | data[0] = |
| 385 | (data[0] << ui_NoOfChannel) ^ |
| 386 | 0xffffffff; |
| 387 | data[0] = data[0] & ui_Temp; |
| 388 | outl(data[0], |
| 389 | devpriv->i_IobaseAmcc + |
| 390 | APCI1564_DIGITAL_OP + |
| 391 | APCI1564_DIGITAL_OP_RW); |
| 392 | } // if (data[1]==0) |
| 393 | else { |
| 394 | if (data[1] == 1) { |
| 395 | switch (ui_NoOfChannel) { |
| 396 | case 2: |
| 397 | data[0] = ~data[0] & 0x3; |
| 398 | ui_Temp1 = 3; |
| 399 | ui_Temp1 = |
| 400 | ui_Temp1 << 2 * data[2]; |
| 401 | ui_Temp = ui_Temp | ui_Temp1; |
| 402 | data[0] = |
| 403 | ((data[0] << (2 * |
| 404 | data |
| 405 | [2])) ^ |
| 406 | 0xffffffff) & ui_Temp; |
| 407 | break; |
| 408 | case 4: |
| 409 | data[0] = ~data[0] & 0xf; |
| 410 | ui_Temp1 = 15; |
| 411 | ui_Temp1 = |
| 412 | ui_Temp1 << 4 * data[2]; |
| 413 | ui_Temp = ui_Temp | ui_Temp1; |
| 414 | data[0] = |
| 415 | ((data[0] << (4 * |
| 416 | data |
| 417 | [2])) ^ |
| 418 | 0xffffffff) & ui_Temp; |
| 419 | break; |
| 420 | case 8: |
| 421 | data[0] = ~data[0] & 0xff; |
| 422 | ui_Temp1 = 255; |
| 423 | ui_Temp1 = |
| 424 | ui_Temp1 << 8 * data[2]; |
| 425 | ui_Temp = ui_Temp | ui_Temp1; |
| 426 | data[0] = |
| 427 | ((data[0] << (8 * |
| 428 | data |
| 429 | [2])) ^ |
| 430 | 0xffffffff) & ui_Temp; |
| 431 | break; |
| 432 | case 16: |
| 433 | data[0] = ~data[0] & 0xffff; |
| 434 | ui_Temp1 = 65535; |
| 435 | ui_Temp1 = |
| 436 | ui_Temp1 << 16 * |
| 437 | data[2]; |
| 438 | ui_Temp = ui_Temp | ui_Temp1; |
| 439 | data[0] = |
| 440 | ((data[0] << (16 * |
| 441 | data |
| 442 | [2])) ^ |
| 443 | 0xffffffff) & ui_Temp; |
| 444 | break; |
| 445 | case 31: |
| 446 | break; |
| 447 | default: |
| 448 | comedi_error(dev, |
| 449 | " chan spec wrong"); |
| 450 | return -EINVAL; // "sorry channel spec wrong " |
| 451 | } //switch(ui_NoOfChannels) |
| 452 | outl(data[0], |
| 453 | devpriv->i_IobaseAmcc + |
| 454 | APCI1564_DIGITAL_OP + |
| 455 | APCI1564_DIGITAL_OP_RW); |
| 456 | } // if (data[1]==1) |
| 457 | else { |
| 458 | printk("\nSpecified channel not supported\n"); |
| 459 | } // else if (data[1]==1) |
| 460 | } // else if (data[1]==0) |
| 461 | } // if (data[3]==1); |
| 462 | else { |
| 463 | printk("\nSpecified functionality does not exist\n"); |
| 464 | return -EINVAL; |
| 465 | } // else if (data[3]==1) |
| 466 | } // else if (data[3]==0) |
| 467 | return insn->n; |
| 468 | } |
| 469 | |
| 470 | /* |
| 471 | +----------------------------------------------------------------------------+ |
| 472 | | Function Name : int i_APCI1564_ReadDigitalOutput | |
| 473 | | (struct comedi_device *dev,struct comedi_subdevice *s, | |
| 474 | | struct comedi_insn *insn,unsigned int *data) | |
| 475 | +----------------------------------------------------------------------------+ |
| 476 | | Task : Read value of the selected channel or port | |
| 477 | +----------------------------------------------------------------------------+ |
| 478 | | Input Parameters : struct comedi_device *dev : Driver handle | |
| 479 | | UINT ui_NoOfChannels : No Of Channels To read | |
| 480 | | UINT *data : Data Pointer to read status | |
| 481 | +----------------------------------------------------------------------------+ |
| 482 | | Output Parameters : -- | |
| 483 | +----------------------------------------------------------------------------+ |
| 484 | | Return Value : TRUE : No error occur | |
| 485 | | : FALSE : Error occur. Return the error | |
| 486 | | | |
| 487 | +----------------------------------------------------------------------------+ |
| 488 | */ |
| 489 | INT i_APCI1564_ReadDigitalOutput(struct comedi_device * dev, struct comedi_subdevice * s, |
| 490 | struct comedi_insn * insn, unsigned int * data) |
| 491 | { |
| 492 | UINT ui_Temp; |
| 493 | UINT ui_NoOfChannel; |
| 494 | |
| 495 | ui_NoOfChannel = CR_CHAN(insn->chanspec); |
| 496 | ui_Temp = data[0]; |
| 497 | *data = inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP + |
| 498 | APCI1564_DIGITAL_OP_RW); |
| 499 | if (ui_Temp == 0) { |
| 500 | *data = (*data >> ui_NoOfChannel) & 0x1; |
| 501 | } // if (ui_Temp==0) |
| 502 | else { |
| 503 | if (ui_Temp == 1) { |
| 504 | switch (ui_NoOfChannel) { |
| 505 | case 2: |
| 506 | *data = (*data >> (2 * data[1])) & 3; |
| 507 | break; |
| 508 | |
| 509 | case 4: |
| 510 | *data = (*data >> (4 * data[1])) & 15; |
| 511 | break; |
| 512 | |
| 513 | case 8: |
| 514 | *data = (*data >> (8 * data[1])) & 255; |
| 515 | break; |
| 516 | |
| 517 | case 16: |
| 518 | *data = (*data >> (16 * data[1])) & 65535; |
| 519 | break; |
| 520 | |
| 521 | case 31: |
| 522 | break; |
| 523 | |
| 524 | default: |
| 525 | comedi_error(dev, " chan spec wrong"); |
| 526 | return -EINVAL; // "sorry channel spec wrong " |
| 527 | break; |
| 528 | } // switch(ui_NoOfChannels) |
| 529 | } // if (ui_Temp==1) |
| 530 | else { |
| 531 | printk("\nSpecified channel not supported \n"); |
| 532 | } // else if (ui_Temp==1) |
| 533 | } // else if (ui_Temp==0) |
| 534 | return insn->n; |
| 535 | } |
| 536 | |
| 537 | /* |
| 538 | +----------------------------------------------------------------------------+ |
| 539 | | Function Name : int i_APCI1564_ConfigTimerCounterWatchdog | |
| 540 | | (struct comedi_device *dev,struct comedi_subdevice *s, | |
| 541 | | struct comedi_insn *insn,unsigned int *data) | |
| 542 | +----------------------------------------------------------------------------+ |
| 543 | | Task : Configures The Timer , Counter or Watchdog | |
| 544 | +----------------------------------------------------------------------------+ |
| 545 | | Input Parameters : struct comedi_device *dev : Driver handle | |
| 546 | | UINT *data : Data Pointer contains | |
| 547 | | configuration parameters as below | |
| 548 | | | |
| 549 | | data[0] : 0 Configure As Timer | |
| 550 | | 1 Configure As Counter | |
| 551 | | 2 Configure As Watchdog | |
| 552 | | data[1] : 1 Enable Interrupt | |
| 553 | | 0 Disable Interrupt | |
| 554 | | data[2] : Time Unit | |
| 555 | | data[3] : Reload Value | |
| 556 | | data[4] : Timer Mode | |
| 557 | | data[5] : Timer Counter Watchdog Number| |
| 558 | data[6] : Counter Direction |
| 559 | +----------------------------------------------------------------------------+ |
| 560 | | Output Parameters : -- | |
| 561 | +----------------------------------------------------------------------------+ |
| 562 | | Return Value : TRUE : No error occur | |
| 563 | | : FALSE : Error occur. Return the error | |
| 564 | | | |
| 565 | +----------------------------------------------------------------------------+ |
| 566 | */ |
| 567 | INT i_APCI1564_ConfigTimerCounterWatchdog(struct comedi_device * dev, |
| 568 | struct comedi_subdevice * s, struct comedi_insn * insn, unsigned int * data) |
| 569 | { |
| 570 | ULONG ul_Command1 = 0; |
| 571 | devpriv->tsk_Current = current; |
| 572 | if (data[0] == ADDIDATA_WATCHDOG) { |
| 573 | devpriv->b_TimerSelectMode = ADDIDATA_WATCHDOG; |
| 574 | |
| 575 | //Disable the watchdog |
| 576 | outl(0x0, |
| 577 | devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP_WATCHDOG + |
| 578 | APCI1564_TCW_PROG); |
| 579 | //Loading the Reload value |
| 580 | outl(data[3], |
| 581 | devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP_WATCHDOG + |
| 582 | APCI1564_TCW_RELOAD_VALUE); |
| 583 | } // if (data[0]==ADDIDATA_WATCHDOG) |
| 584 | else if (data[0] == ADDIDATA_TIMER) { |
| 585 | //First Stop The Timer |
| 586 | ul_Command1 = |
| 587 | inl(devpriv->i_IobaseAmcc + APCI1564_TIMER + |
| 588 | APCI1564_TCW_PROG); |
| 589 | ul_Command1 = ul_Command1 & 0xFFFFF9FEUL; |
| 590 | outl(ul_Command1, devpriv->i_IobaseAmcc + APCI1564_TIMER + APCI1564_TCW_PROG); //Stop The Timer |
| 591 | |
| 592 | devpriv->b_TimerSelectMode = ADDIDATA_TIMER; |
| 593 | if (data[1] == 1) { |
| 594 | outl(0x02, devpriv->i_IobaseAmcc + APCI1564_TIMER + APCI1564_TCW_PROG); //Enable TIMER int & DISABLE ALL THE OTHER int SOURCES |
| 595 | outl(0x0, |
| 596 | devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP + |
| 597 | APCI1564_DIGITAL_IP_IRQ); |
| 598 | outl(0x0, |
| 599 | devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP + |
| 600 | APCI1564_DIGITAL_OP_IRQ); |
| 601 | outl(0x0, |
| 602 | devpriv->i_IobaseAmcc + |
| 603 | APCI1564_DIGITAL_OP_WATCHDOG + |
| 604 | APCI1564_TCW_IRQ); |
| 605 | outl(0x0, |
| 606 | devpriv->iobase + APCI1564_COUNTER1 + |
| 607 | APCI1564_TCW_IRQ); |
| 608 | outl(0x0, |
| 609 | devpriv->iobase + APCI1564_COUNTER2 + |
| 610 | APCI1564_TCW_IRQ); |
| 611 | outl(0x0, |
| 612 | devpriv->iobase + APCI1564_COUNTER3 + |
| 613 | APCI1564_TCW_IRQ); |
| 614 | outl(0x0, |
| 615 | devpriv->iobase + APCI1564_COUNTER4 + |
| 616 | APCI1564_TCW_IRQ); |
| 617 | } // if (data[1]==1) |
| 618 | else { |
| 619 | outl(0x0, devpriv->i_IobaseAmcc + APCI1564_TIMER + APCI1564_TCW_PROG); //disable Timer interrupt |
| 620 | } // else if (data[1]==1) |
| 621 | |
| 622 | // Loading Timebase |
| 623 | |
| 624 | outl(data[2], |
| 625 | devpriv->i_IobaseAmcc + APCI1564_TIMER + |
| 626 | APCI1564_TCW_TIMEBASE); |
| 627 | |
| 628 | //Loading the Reload value |
| 629 | outl(data[3], |
| 630 | devpriv->i_IobaseAmcc + APCI1564_TIMER + |
| 631 | APCI1564_TCW_RELOAD_VALUE); |
| 632 | |
| 633 | ul_Command1 = |
| 634 | inl(devpriv->i_IobaseAmcc + APCI1564_TIMER + |
| 635 | APCI1564_TCW_PROG); |
| 636 | ul_Command1 = |
| 637 | (ul_Command1 & 0xFFF719E2UL) | 2UL << 13UL | 0x10UL; |
| 638 | outl(ul_Command1, devpriv->i_IobaseAmcc + APCI1564_TIMER + APCI1564_TCW_PROG); //mode 2 |
| 639 | } // else if (data[0]==ADDIDATA_TIMER) |
| 640 | else if (data[0] == ADDIDATA_COUNTER) { |
| 641 | devpriv->b_TimerSelectMode = ADDIDATA_COUNTER; |
| 642 | devpriv->b_ModeSelectRegister = data[5]; |
| 643 | |
| 644 | //First Stop The Counter |
| 645 | ul_Command1 = |
| 646 | inl(devpriv->iobase + ((data[5] - 1) * 0x20) + |
| 647 | APCI1564_TCW_PROG); |
| 648 | ul_Command1 = ul_Command1 & 0xFFFFF9FEUL; |
| 649 | outl(ul_Command1, devpriv->iobase + ((data[5] - 1) * 0x20) + APCI1564_TCW_PROG); //Stop The Timer |
| 650 | |
| 651 | /************************/ |
| 652 | /* Set the reload value */ |
| 653 | /************************/ |
| 654 | outl(data[3], |
| 655 | devpriv->iobase + ((data[5] - 1) * 0x20) + |
| 656 | APCI1564_TCW_RELOAD_VALUE); |
| 657 | |
| 658 | /******************************/ |
| 659 | /* Set the mode : */ |
| 660 | /* - Disable the hardware */ |
| 661 | /* - Disable the counter mode */ |
| 662 | /* - Disable the warning */ |
| 663 | /* - Disable the reset */ |
| 664 | /* - Disable the timer mode */ |
| 665 | /* - Enable the counter mode */ |
| 666 | /******************************/ |
| 667 | ul_Command1 = |
| 668 | (ul_Command1 & 0xFFFC19E2UL) | 0x80000UL | |
| 669 | (ULONG) ((ULONG) data[4] << 16UL); |
| 670 | outl(ul_Command1, |
| 671 | devpriv->iobase + ((data[5] - 1) * 0x20) + |
| 672 | APCI1564_TCW_PROG); |
| 673 | |
| 674 | // Enable or Disable Interrupt |
| 675 | ul_Command1 = (ul_Command1 & 0xFFFFF9FD) | (data[1] << 1); |
| 676 | outl(ul_Command1, |
| 677 | devpriv->iobase + ((data[5] - 1) * 0x20) + |
| 678 | APCI1564_TCW_PROG); |
| 679 | |
| 680 | /*****************************/ |
| 681 | /* Set the Up/Down selection */ |
| 682 | /*****************************/ |
| 683 | ul_Command1 = (ul_Command1 & 0xFFFBF9FFUL) | (data[6] << 18); |
| 684 | outl(ul_Command1, |
| 685 | devpriv->iobase + ((data[5] - 1) * 0x20) + |
| 686 | APCI1564_TCW_PROG); |
| 687 | } // else if (data[0]==ADDIDATA_COUNTER) |
| 688 | else { |
| 689 | printk(" Invalid subdevice."); |
| 690 | } // else if (data[0]==ADDIDATA_WATCHDOG) |
| 691 | |
| 692 | return insn->n; |
| 693 | } |
| 694 | |
| 695 | /* |
| 696 | +----------------------------------------------------------------------------+ |
| 697 | | Function Name : int i_APCI1564_StartStopWriteTimerCounterWatchdog | |
| 698 | | (struct comedi_device *dev,struct comedi_subdevice *s, | |
| 699 | | struct comedi_insn *insn,unsigned int *data) | |
| 700 | +----------------------------------------------------------------------------+ |
| 701 | | Task : Start / Stop The Selected Timer , Counter or Watchdog | |
| 702 | +----------------------------------------------------------------------------+ |
| 703 | | Input Parameters : struct comedi_device *dev : Driver handle | |
| 704 | | UINT *data : Data Pointer contains | |
| 705 | | configuration parameters as below | |
| 706 | | | |
| 707 | | data[0] : 0 Timer | |
| 708 | | 1 Counter | |
| 709 | | 2 Watchdog | | data[1] : 1 Start | |
| 710 | | 0 Stop | |
| 711 | | 2 Trigger | |
| 712 | | Clear (Only Counter) | |
| 713 | +----------------------------------------------------------------------------+ |
| 714 | | Output Parameters : -- | |
| 715 | +----------------------------------------------------------------------------+ |
| 716 | | Return Value : TRUE : No error occur | |
| 717 | | : FALSE : Error occur. Return the error | |
| 718 | | | |
| 719 | +----------------------------------------------------------------------------+ |
| 720 | */ |
| 721 | INT i_APCI1564_StartStopWriteTimerCounterWatchdog(struct comedi_device * dev, |
| 722 | struct comedi_subdevice * s, struct comedi_insn * insn, unsigned int * data) |
| 723 | { |
| 724 | ULONG ul_Command1 = 0; |
| 725 | if (devpriv->b_TimerSelectMode == ADDIDATA_WATCHDOG) { |
| 726 | switch (data[1]) { |
| 727 | case 0: //stop the watchdog |
| 728 | outl(0x0, devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP_WATCHDOG + APCI1564_TCW_PROG); //disable the watchdog |
| 729 | break; |
| 730 | case 1: //start the watchdog |
| 731 | outl(0x0001, |
| 732 | devpriv->i_IobaseAmcc + |
| 733 | APCI1564_DIGITAL_OP_WATCHDOG + |
| 734 | APCI1564_TCW_PROG); |
| 735 | break; |
| 736 | case 2: //Software trigger |
| 737 | outl(0x0201, |
| 738 | devpriv->i_IobaseAmcc + |
| 739 | APCI1564_DIGITAL_OP_WATCHDOG + |
| 740 | APCI1564_TCW_PROG); |
| 741 | break; |
| 742 | default: |
| 743 | printk("\nSpecified functionality does not exist\n"); |
| 744 | return -EINVAL; |
| 745 | } // switch (data[1]) |
| 746 | } // if (devpriv->b_TimerSelectMode==ADDIDATA_WATCHDOG) |
| 747 | if (devpriv->b_TimerSelectMode == ADDIDATA_TIMER) { |
| 748 | if (data[1] == 1) { |
| 749 | ul_Command1 = |
| 750 | inl(devpriv->i_IobaseAmcc + APCI1564_TIMER + |
| 751 | APCI1564_TCW_PROG); |
| 752 | ul_Command1 = (ul_Command1 & 0xFFFFF9FFUL) | 0x1UL; |
| 753 | |
| 754 | //Enable the Timer |
| 755 | outl(ul_Command1, |
| 756 | devpriv->i_IobaseAmcc + APCI1564_TIMER + |
| 757 | APCI1564_TCW_PROG); |
| 758 | } // if (data[1]==1) |
| 759 | else if (data[1] == 0) { |
| 760 | //Stop The Timer |
| 761 | |
| 762 | ul_Command1 = |
| 763 | inl(devpriv->i_IobaseAmcc + APCI1564_TIMER + |
| 764 | APCI1564_TCW_PROG); |
| 765 | ul_Command1 = ul_Command1 & 0xFFFFF9FEUL; |
| 766 | outl(ul_Command1, |
| 767 | devpriv->i_IobaseAmcc + APCI1564_TIMER + |
| 768 | APCI1564_TCW_PROG); |
| 769 | } // else if(data[1]==0) |
| 770 | } // if (devpriv->b_TimerSelectMode==ADDIDATA_TIMER) |
| 771 | if (devpriv->b_TimerSelectMode == ADDIDATA_COUNTER) { |
| 772 | ul_Command1 = |
| 773 | inl(devpriv->iobase + ((devpriv->b_ModeSelectRegister - |
| 774 | 1) * 0x20) + APCI1564_TCW_PROG); |
| 775 | if (data[1] == 1) { |
| 776 | //Start the Counter subdevice |
| 777 | ul_Command1 = (ul_Command1 & 0xFFFFF9FFUL) | 0x1UL; |
| 778 | } // if (data[1] == 1) |
| 779 | else if (data[1] == 0) { |
| 780 | // Stops the Counter subdevice |
| 781 | ul_Command1 = 0; |
| 782 | |
| 783 | } // else if (data[1] == 0) |
| 784 | else if (data[1] == 2) { |
| 785 | // Clears the Counter subdevice |
| 786 | ul_Command1 = (ul_Command1 & 0xFFFFF9FFUL) | 0x400; |
| 787 | } // else if (data[1] == 3) |
| 788 | outl(ul_Command1, |
| 789 | devpriv->iobase + ((devpriv->b_ModeSelectRegister - |
| 790 | 1) * 0x20) + APCI1564_TCW_PROG); |
| 791 | } // if (devpriv->b_TimerSelectMode==ADDIDATA_COUNTER) |
| 792 | return insn->n; |
| 793 | } |
| 794 | |
| 795 | /* |
| 796 | +----------------------------------------------------------------------------+ |
| 797 | | Function Name : int i_APCI1564_ReadTimerCounterWatchdog | |
| 798 | | (struct comedi_device *dev,struct comedi_subdevice *s, | |
| 799 | | struct comedi_insn *insn,unsigned int *data) | |
| 800 | +----------------------------------------------------------------------------+ |
| 801 | | Task : Read The Selected Timer , Counter or Watchdog | |
| 802 | +----------------------------------------------------------------------------+ |
| 803 | | Input Parameters : struct comedi_device *dev : Driver handle | |
| 804 | | UINT *data : Data Pointer contains | |
| 805 | | configuration parameters as below | |
| 806 | | | |
| 807 | |
| 808 | +----------------------------------------------------------------------------+ |
| 809 | | Output Parameters : -- | |
| 810 | +----------------------------------------------------------------------------+ |
| 811 | | Return Value : TRUE : No error occur | |
| 812 | | : FALSE : Error occur. Return the error | |
| 813 | | | |
| 814 | +----------------------------------------------------------------------------+ |
| 815 | */ |
| 816 | INT i_APCI1564_ReadTimerCounterWatchdog(struct comedi_device * dev, |
| 817 | struct comedi_subdevice * s, struct comedi_insn * insn, unsigned int * data) |
| 818 | { |
| 819 | ULONG ul_Command1 = 0; |
| 820 | |
| 821 | if (devpriv->b_TimerSelectMode == ADDIDATA_WATCHDOG) { |
| 822 | // Stores the status of the Watchdog |
| 823 | data[0] = |
| 824 | inl(devpriv->i_IobaseAmcc + |
| 825 | APCI1564_DIGITAL_OP_WATCHDOG + |
| 826 | APCI1564_TCW_TRIG_STATUS) & 0x1; |
| 827 | data[1] = |
| 828 | inl(devpriv->i_IobaseAmcc + |
| 829 | APCI1564_DIGITAL_OP_WATCHDOG); |
| 830 | } // if (devpriv->b_TimerSelectMode==ADDIDATA_WATCHDOG) |
| 831 | else if (devpriv->b_TimerSelectMode == ADDIDATA_TIMER) { |
| 832 | // Stores the status of the Timer |
| 833 | data[0] = |
| 834 | inl(devpriv->i_IobaseAmcc + APCI1564_TIMER + |
| 835 | APCI1564_TCW_TRIG_STATUS) & 0x1; |
| 836 | |
| 837 | // Stores the Actual value of the Timer |
| 838 | data[1] = inl(devpriv->i_IobaseAmcc + APCI1564_TIMER); |
| 839 | } // else if (devpriv->b_TimerSelectMode==ADDIDATA_TIMER) |
| 840 | else if (devpriv->b_TimerSelectMode == ADDIDATA_COUNTER) { |
| 841 | // Read the Counter Actual Value. |
| 842 | data[0] = |
| 843 | inl(devpriv->iobase + ((devpriv->b_ModeSelectRegister - |
| 844 | 1) * 0x20) + |
| 845 | APCI1564_TCW_SYNC_ENABLEDISABLE); |
| 846 | ul_Command1 = |
| 847 | inl(devpriv->iobase + ((devpriv->b_ModeSelectRegister - |
| 848 | 1) * 0x20) + APCI1564_TCW_TRIG_STATUS); |
| 849 | |
| 850 | /***********************************/ |
| 851 | /* Get the software trigger status */ |
| 852 | /***********************************/ |
| 853 | data[1] = (BYTE) ((ul_Command1 >> 1) & 1); |
| 854 | |
| 855 | /***********************************/ |
| 856 | /* Get the hardware trigger status */ |
| 857 | /***********************************/ |
| 858 | data[2] = (BYTE) ((ul_Command1 >> 2) & 1); |
| 859 | |
| 860 | /*********************************/ |
| 861 | /* Get the software clear status */ |
| 862 | /*********************************/ |
| 863 | data[3] = (BYTE) ((ul_Command1 >> 3) & 1); |
| 864 | |
| 865 | /***************************/ |
| 866 | /* Get the overflow status */ |
| 867 | /***************************/ |
| 868 | data[4] = (BYTE) ((ul_Command1 >> 0) & 1); |
| 869 | } // else if (devpriv->b_TimerSelectMode==ADDIDATA_COUNTER) |
| 870 | else if ((devpriv->b_TimerSelectMode != ADDIDATA_TIMER) |
| 871 | && (devpriv->b_TimerSelectMode != ADDIDATA_WATCHDOG) |
| 872 | && (devpriv->b_TimerSelectMode != ADDIDATA_COUNTER)) { |
| 873 | printk("\n Invalid Subdevice !!!\n"); |
| 874 | } // else if ((devpriv->b_TimerSelectMode!=ADDIDATA_TIMER) && (devpriv->b_TimerSelectMode!=ADDIDATA_WATCHDOG)&& (devpriv->b_TimerSelectMode!=ADDIDATA_COUNTER)) |
| 875 | return insn->n; |
| 876 | } |
| 877 | |
| 878 | /* |
| 879 | +----------------------------------------------------------------------------+ |
| 880 | | Function Name : int i_APCI1564_ReadInterruptStatus | |
| 881 | | (struct comedi_device *dev,struct comedi_subdevice *s, | |
| 882 | | struct comedi_insn *insn,unsigned int *data) | |
| 883 | +----------------------------------------------------------------------------+ |
| 884 | | Task :Reads the interrupt status register | |
| 885 | +----------------------------------------------------------------------------+ |
| 886 | | Input Parameters : | |
| 887 | +----------------------------------------------------------------------------+ |
| 888 | | Output Parameters : -- | |
| 889 | +----------------------------------------------------------------------------+ |
| 890 | | Return Value : | |
| 891 | | | |
| 892 | +----------------------------------------------------------------------------+ |
| 893 | */ |
| 894 | |
| 895 | int i_APCI1564_ReadInterruptStatus(struct comedi_device * dev, struct comedi_subdevice * s, |
| 896 | struct comedi_insn * insn, unsigned int * data) |
| 897 | { |
| 898 | *data = ui_Type; |
| 899 | return insn->n; |
| 900 | } |
| 901 | |
| 902 | /* |
| 903 | +----------------------------------------------------------------------------+ |
| 904 | | Function Name : static void v_APCI1564_Interrupt | |
| 905 | | (int irq , void *d) | |
| 906 | +----------------------------------------------------------------------------+ |
| 907 | | Task : Interrupt handler for the interruptible digital inputs | |
| 908 | +----------------------------------------------------------------------------+ |
| 909 | | Input Parameters : int irq : irq number | |
| 910 | | void *d : void pointer | |
| 911 | +----------------------------------------------------------------------------+ |
| 912 | | Output Parameters : -- | |
| 913 | +----------------------------------------------------------------------------+ |
| 914 | | Return Value : TRUE : No error occur | |
| 915 | | : FALSE : Error occur. Return the error | |
| 916 | | | |
| 917 | +----------------------------------------------------------------------------+ |
| 918 | */ |
| 919 | static VOID v_APCI1564_Interrupt(int irq, void *d) |
| 920 | { |
| 921 | struct comedi_device *dev = d; |
| 922 | UINT ui_DO, ui_DI; |
| 923 | UINT ui_Timer; |
| 924 | UINT ui_C1, ui_C2, ui_C3, ui_C4; |
| 925 | ULONG ul_Command2 = 0; |
| 926 | ui_DI = inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP + |
| 927 | APCI1564_DIGITAL_IP_IRQ) & 0x01; |
| 928 | ui_DO = inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP + |
| 929 | APCI1564_DIGITAL_OP_IRQ) & 0x01; |
| 930 | ui_Timer = |
| 931 | inl(devpriv->i_IobaseAmcc + APCI1564_TIMER + |
| 932 | APCI1564_TCW_IRQ) & 0x01; |
| 933 | ui_C1 = inl(devpriv->iobase + APCI1564_COUNTER1 + |
| 934 | APCI1564_TCW_IRQ) & 0x1; |
| 935 | ui_C2 = inl(devpriv->iobase + APCI1564_COUNTER2 + |
| 936 | APCI1564_TCW_IRQ) & 0x1; |
| 937 | ui_C3 = inl(devpriv->iobase + APCI1564_COUNTER3 + |
| 938 | APCI1564_TCW_IRQ) & 0x1; |
| 939 | ui_C4 = inl(devpriv->iobase + APCI1564_COUNTER4 + |
| 940 | APCI1564_TCW_IRQ) & 0x1; |
| 941 | if (ui_DI == 0 && ui_DO == 0 && ui_Timer == 0 && ui_C1 == 0 |
| 942 | && ui_C2 == 0 && ui_C3 == 0 && ui_C4 == 0) { |
| 943 | printk("\nInterrupt from unknown source\n"); |
| 944 | } // if(ui_DI==0 && ui_DO==0 && ui_Timer==0 && ui_C1==0 && ui_C2==0 && ui_C3==0 && ui_C4==0) |
| 945 | |
| 946 | if (ui_DI == 1) { |
| 947 | ui_DI = inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP + |
| 948 | APCI1564_DIGITAL_IP_IRQ); |
| 949 | outl(0x0, |
| 950 | devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP + |
| 951 | APCI1564_DIGITAL_IP_IRQ); |
| 952 | ui_InterruptStatus_1564 = |
| 953 | inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP + |
| 954 | APCI1564_DIGITAL_IP_INTERRUPT_STATUS); |
| 955 | ui_InterruptStatus_1564 = ui_InterruptStatus_1564 & 0X000FFFF0; |
| 956 | send_sig(SIGIO, devpriv->tsk_Current, 0); // send signal to the sample |
| 957 | outl(ui_DI, devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP + APCI1564_DIGITAL_IP_IRQ); //enable the interrupt |
| 958 | return; |
| 959 | } |
| 960 | |
| 961 | if (ui_DO == 1) { |
| 962 | // Check for Digital Output interrupt Type - 1: Vcc interrupt 2: CC interrupt. |
| 963 | ui_Type = |
| 964 | inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP + |
| 965 | APCI1564_DIGITAL_OP_INTERRUPT_STATUS) & 0x3; |
| 966 | //Disable the Interrupt |
| 967 | outl(0x0, |
| 968 | devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP + |
| 969 | APCI1564_DIGITAL_OP_INTERRUPT); |
| 970 | |
| 971 | //Sends signal to user space |
| 972 | send_sig(SIGIO, devpriv->tsk_Current, 0); |
| 973 | |
| 974 | } // if (ui_DO) |
| 975 | |
| 976 | if ((ui_Timer == 1) && (devpriv->b_TimerSelectMode = ADDIDATA_TIMER)) { |
| 977 | // Disable Timer Interrupt |
| 978 | ul_Command2 = |
| 979 | inl(devpriv->i_IobaseAmcc + APCI1564_TIMER + |
| 980 | APCI1564_TCW_PROG); |
| 981 | outl(0x0, |
| 982 | devpriv->i_IobaseAmcc + APCI1564_TIMER + |
| 983 | APCI1564_TCW_PROG); |
| 984 | |
| 985 | //Send a signal to from kernel to user space |
| 986 | send_sig(SIGIO, devpriv->tsk_Current, 0); |
| 987 | |
| 988 | // Enable Timer Interrupt |
| 989 | |
| 990 | outl(ul_Command2, |
| 991 | devpriv->i_IobaseAmcc + APCI1564_TIMER + |
| 992 | APCI1564_TCW_PROG); |
| 993 | } // if ((ui_Timer == 1) && (devpriv->b_TimerSelectMode =ADDIDATA_TIMER)) |
| 994 | |
| 995 | if ((ui_C1 == 1) && (devpriv->b_TimerSelectMode = ADDIDATA_COUNTER)) { |
| 996 | // Disable Counter Interrupt |
| 997 | ul_Command2 = |
| 998 | inl(devpriv->iobase + APCI1564_COUNTER1 + |
| 999 | APCI1564_TCW_PROG); |
| 1000 | outl(0x0, |
| 1001 | devpriv->iobase + APCI1564_COUNTER1 + |
| 1002 | APCI1564_TCW_PROG); |
| 1003 | |
| 1004 | //Send a signal to from kernel to user space |
| 1005 | send_sig(SIGIO, devpriv->tsk_Current, 0); |
| 1006 | |
| 1007 | // Enable Counter Interrupt |
| 1008 | outl(ul_Command2, |
| 1009 | devpriv->iobase + APCI1564_COUNTER1 + |
| 1010 | APCI1564_TCW_PROG); |
| 1011 | } // if ((ui_C1 == 1) && (devpriv->b_TimerSelectMode = ADDIDATA_COUNTER)) |
| 1012 | |
| 1013 | if ((ui_C2 == 1) && (devpriv->b_TimerSelectMode = ADDIDATA_COUNTER)) { |
| 1014 | // Disable Counter Interrupt |
| 1015 | ul_Command2 = |
| 1016 | inl(devpriv->iobase + APCI1564_COUNTER2 + |
| 1017 | APCI1564_TCW_PROG); |
| 1018 | outl(0x0, |
| 1019 | devpriv->iobase + APCI1564_COUNTER2 + |
| 1020 | APCI1564_TCW_PROG); |
| 1021 | |
| 1022 | //Send a signal to from kernel to user space |
| 1023 | send_sig(SIGIO, devpriv->tsk_Current, 0); |
| 1024 | |
| 1025 | // Enable Counter Interrupt |
| 1026 | outl(ul_Command2, |
| 1027 | devpriv->iobase + APCI1564_COUNTER2 + |
| 1028 | APCI1564_TCW_PROG); |
| 1029 | } // if ((ui_C2 == 1) && (devpriv->b_TimerSelectMode =ADDIDATA_COUNTER)) |
| 1030 | |
| 1031 | if ((ui_C3 == 1) && (devpriv->b_TimerSelectMode = ADDIDATA_COUNTER)) { |
| 1032 | // Disable Counter Interrupt |
| 1033 | ul_Command2 = |
| 1034 | inl(devpriv->iobase + APCI1564_COUNTER3 + |
| 1035 | APCI1564_TCW_PROG); |
| 1036 | outl(0x0, |
| 1037 | devpriv->iobase + APCI1564_COUNTER3 + |
| 1038 | APCI1564_TCW_PROG); |
| 1039 | |
| 1040 | //Send a signal to from kernel to user space |
| 1041 | send_sig(SIGIO, devpriv->tsk_Current, 0); |
| 1042 | |
| 1043 | // Enable Counter Interrupt |
| 1044 | outl(ul_Command2, |
| 1045 | devpriv->iobase + APCI1564_COUNTER3 + |
| 1046 | APCI1564_TCW_PROG); |
| 1047 | } // if ((ui_C3 == 1) && (devpriv->b_TimerSelectMode =ADDIDATA_COUNTER)) |
| 1048 | |
| 1049 | if ((ui_C4 == 1) && (devpriv->b_TimerSelectMode = ADDIDATA_COUNTER)) { |
| 1050 | // Disable Counter Interrupt |
| 1051 | ul_Command2 = |
| 1052 | inl(devpriv->iobase + APCI1564_COUNTER4 + |
| 1053 | APCI1564_TCW_PROG); |
| 1054 | outl(0x0, |
| 1055 | devpriv->iobase + APCI1564_COUNTER4 + |
| 1056 | APCI1564_TCW_PROG); |
| 1057 | |
| 1058 | //Send a signal to from kernel to user space |
| 1059 | send_sig(SIGIO, devpriv->tsk_Current, 0); |
| 1060 | |
| 1061 | // Enable Counter Interrupt |
| 1062 | outl(ul_Command2, |
| 1063 | devpriv->iobase + APCI1564_COUNTER4 + |
| 1064 | APCI1564_TCW_PROG); |
| 1065 | } // if ((ui_C4 == 1) && (devpriv->b_TimerSelectMode =ADDIDATA_COUNTER)) |
| 1066 | return; |
| 1067 | } |
| 1068 | |
| 1069 | /* |
| 1070 | +----------------------------------------------------------------------------+ |
| 1071 | | Function Name : int i_APCI1564_Reset(struct comedi_device *dev) | | |
| 1072 | +----------------------------------------------------------------------------+ |
| 1073 | | Task :resets all the registers | |
| 1074 | +----------------------------------------------------------------------------+ |
| 1075 | | Input Parameters : struct comedi_device *dev |
| 1076 | +----------------------------------------------------------------------------+ |
| 1077 | | Output Parameters : -- | |
| 1078 | +----------------------------------------------------------------------------+ |
| 1079 | | Return Value : | |
| 1080 | | | |
| 1081 | +----------------------------------------------------------------------------+ |
| 1082 | */ |
| 1083 | |
| 1084 | INT i_APCI1564_Reset(struct comedi_device * dev) |
| 1085 | { |
| 1086 | outl(0x0, devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP_IRQ); //disable the interrupts |
| 1087 | inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP_INTERRUPT_STATUS); //Reset the interrupt status register |
| 1088 | outl(0x0, devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP_INTERRUPT_MODE1); //Disable the and/or interrupt |
| 1089 | outl(0x0, devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP_INTERRUPT_MODE2); |
| 1090 | devpriv->b_DigitalOutputRegister = 0; |
| 1091 | ui_Type = 0; |
| 1092 | outl(0x0, devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP); //Resets the output channels |
| 1093 | outl(0x0, devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP_INTERRUPT); //Disables the interrupt. |
| 1094 | outl(0x0, |
| 1095 | devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP_WATCHDOG + |
| 1096 | APCI1564_TCW_RELOAD_VALUE); |
| 1097 | outl(0x0, devpriv->i_IobaseAmcc + APCI1564_TIMER); |
| 1098 | outl(0x0, devpriv->i_IobaseAmcc + APCI1564_TIMER + APCI1564_TCW_PROG); |
| 1099 | |
| 1100 | outl(0x0, devpriv->iobase + APCI1564_COUNTER1 + APCI1564_TCW_PROG); |
| 1101 | outl(0x0, devpriv->iobase + APCI1564_COUNTER2 + APCI1564_TCW_PROG); |
| 1102 | outl(0x0, devpriv->iobase + APCI1564_COUNTER3 + APCI1564_TCW_PROG); |
| 1103 | outl(0x0, devpriv->iobase + APCI1564_COUNTER4 + APCI1564_TCW_PROG); |
| 1104 | return 0; |
| 1105 | } |