1/* 2 * vrc4171_card.c, NEC VRC4171 Card Controller driver for Socket Services. 3 * 4 * Copyright (C) 2003-2005 Yoichi Yuasa <yuasa@linux-mips.org> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 */ 20#include <linux/init.h> 21#include <linux/ioport.h> 22#include <linux/interrupt.h> 23#include <linux/module.h> 24#include <linux/spinlock.h> 25#include <linux/types.h> 26#include <linux/platform_device.h> 27 28#include <asm/io.h> 29 30#include <pcmcia/ss.h> 31 32#include "i82365.h" 33 34MODULE_DESCRIPTION("NEC VRC4171 Card Controllers driver for Socket Services"); 35MODULE_AUTHOR("Yoichi Yuasa <yuasa@linux-mips.org>"); 36MODULE_LICENSE("GPL"); 37 38#define CARD_MAX_SLOTS 2 39#define CARD_SLOTA 0 40#define CARD_SLOTB 1 41#define CARD_SLOTB_OFFSET 0x40 42 43#define CARD_MEM_START 0x10000000 44#define CARD_MEM_END 0x13ffffff 45#define CARD_MAX_MEM_OFFSET 0x3ffffff 46#define CARD_MAX_MEM_SPEED 1000 47 48#define CARD_CONTROLLER_INDEX 0x03e0 49#define CARD_CONTROLLER_DATA 0x03e1 50 /* Power register */ 51 #define VPP_GET_VCC 0x01 52 #define POWER_ENABLE 0x10 53 #define CARD_VOLTAGE_SENSE 0x1f 54 #define VCC_3VORXV_CAPABLE 0x00 55 #define VCC_XV_ONLY 0x01 56 #define VCC_3V_CAPABLE 0x02 57 #define VCC_5V_ONLY 0x03 58 #define CARD_VOLTAGE_SELECT 0x2f 59 #define VCC_3V 0x01 60 #define VCC_5V 0x00 61 #define VCC_XV 0x02 62 #define VCC_STATUS_3V 0x02 63 #define VCC_STATUS_5V 0x01 64 #define VCC_STATUS_XV 0x03 65 #define GLOBAL_CONTROL 0x1e 66 #define EXWRBK 0x04 67 #define IRQPM_EN 0x08 68 #define CLRPMIRQ 0x10 69 70#define INTERRUPT_STATUS 0x05fa 71 #define IRQ_A 0x02 72 #define IRQ_B 0x04 73 74#define CONFIGURATION1 0x05fe 75 #define SLOTB_CONFIG 0xc000 76 #define SLOTB_NONE 0x0000 77 #define SLOTB_PCCARD 0x4000 78 #define SLOTB_CF 0x8000 79 #define SLOTB_FLASHROM 0xc000 80 81#define CARD_CONTROLLER_START CARD_CONTROLLER_INDEX 82#define CARD_CONTROLLER_END CARD_CONTROLLER_DATA 83 84#define IO_MAX_MAPS 2 85#define MEM_MAX_MAPS 5 86 87typedef enum { 88 SLOT_PROBE = 0, 89 SLOT_NOPROBE_IO, 90 SLOT_NOPROBE_MEM, 91 SLOT_NOPROBE_ALL, 92 SLOT_INITIALIZED, 93} vrc4171_slot_t; 94 95typedef enum { 96 SLOTB_IS_NONE, 97 SLOTB_IS_PCCARD, 98 SLOTB_IS_CF, 99 SLOTB_IS_FLASHROM, 100} vrc4171_slotb_t; 101 102typedef struct vrc4171_socket { 103 vrc4171_slot_t slot; 104 struct pcmcia_socket pcmcia_socket; 105 char name[24]; 106 int csc_irq; 107 int io_irq; 108 spinlock_t lock; 109} vrc4171_socket_t; 110 111static vrc4171_socket_t vrc4171_sockets[CARD_MAX_SLOTS]; 112static vrc4171_slotb_t vrc4171_slotb = SLOTB_IS_NONE; 113static char vrc4171_card_name[] = "NEC VRC4171 Card Controller"; 114static unsigned int vrc4171_irq; 115static uint16_t vrc4171_irq_mask = 0xdeb8; 116 117static struct resource vrc4171_card_resource[3] = { 118 { .name = vrc4171_card_name, 119 .start = CARD_CONTROLLER_START, 120 .end = CARD_CONTROLLER_END, 121 .flags = IORESOURCE_IO, }, 122 { .name = vrc4171_card_name, 123 .start = INTERRUPT_STATUS, 124 .end = INTERRUPT_STATUS, 125 .flags = IORESOURCE_IO, }, 126 { .name = vrc4171_card_name, 127 .start = CONFIGURATION1, 128 .end = CONFIGURATION1, 129 .flags = IORESOURCE_IO, }, 130}; 131 132static struct platform_device vrc4171_card_device = { 133 .name = vrc4171_card_name, 134 .id = 0, 135 .num_resources = 3, 136 .resource = vrc4171_card_resource, 137}; 138 139static inline uint16_t vrc4171_get_irq_status(void) 140{ 141 return inw(INTERRUPT_STATUS); 142} 143 144static inline void vrc4171_set_multifunction_pin(vrc4171_slotb_t config) 145{ 146 uint16_t config1; 147 148 config1 = inw(CONFIGURATION1); 149 config1 &= ~SLOTB_CONFIG; 150 151 switch (config) { 152 case SLOTB_IS_NONE: 153 config1 |= SLOTB_NONE; 154 break; 155 case SLOTB_IS_PCCARD: 156 config1 |= SLOTB_PCCARD; 157 break; 158 case SLOTB_IS_CF: 159 config1 |= SLOTB_CF; 160 break; 161 case SLOTB_IS_FLASHROM: 162 config1 |= SLOTB_FLASHROM; 163 break; 164 default: 165 break; 166 } 167 168 outw(config1, CONFIGURATION1); 169} 170 171static inline uint8_t exca_read_byte(int slot, uint8_t index) 172{ 173 if (slot == CARD_SLOTB) 174 index += CARD_SLOTB_OFFSET; 175 176 outb(index, CARD_CONTROLLER_INDEX); 177 return inb(CARD_CONTROLLER_DATA); 178} 179 180static inline uint16_t exca_read_word(int slot, uint8_t index) 181{ 182 uint16_t data; 183 184 if (slot == CARD_SLOTB) 185 index += CARD_SLOTB_OFFSET; 186 187 outb(index++, CARD_CONTROLLER_INDEX); 188 data = inb(CARD_CONTROLLER_DATA); 189 190 outb(index, CARD_CONTROLLER_INDEX); 191 data |= ((uint16_t)inb(CARD_CONTROLLER_DATA)) << 8; 192 193 return data; 194} 195 196static inline uint8_t exca_write_byte(int slot, uint8_t index, uint8_t data) 197{ 198 if (slot == CARD_SLOTB) 199 index += CARD_SLOTB_OFFSET; 200 201 outb(index, CARD_CONTROLLER_INDEX); 202 outb(data, CARD_CONTROLLER_DATA); 203 204 return data; 205} 206 207static inline uint16_t exca_write_word(int slot, uint8_t index, uint16_t data) 208{ 209 if (slot == CARD_SLOTB) 210 index += CARD_SLOTB_OFFSET; 211 212 outb(index++, CARD_CONTROLLER_INDEX); 213 outb(data, CARD_CONTROLLER_DATA); 214 215 outb(index, CARD_CONTROLLER_INDEX); 216 outb((uint8_t)(data >> 8), CARD_CONTROLLER_DATA); 217 218 return data; 219} 220 221static inline int search_nonuse_irq(void) 222{ 223 int i; 224 225 for (i = 0; i < 16; i++) { 226 if (vrc4171_irq_mask & (1 << i)) { 227 vrc4171_irq_mask &= ~(1 << i); 228 return i; 229 } 230 } 231 232 return -1; 233} 234 235static int pccard_init(struct pcmcia_socket *sock) 236{ 237 vrc4171_socket_t *socket; 238 unsigned int slot; 239 240 sock->features |= SS_CAP_PCCARD | SS_CAP_PAGE_REGS; 241 sock->irq_mask = 0; 242 sock->map_size = 0x1000; 243 sock->pci_irq = vrc4171_irq; 244 245 slot = sock->sock; 246 socket = &vrc4171_sockets[slot]; 247 socket->csc_irq = search_nonuse_irq(); 248 socket->io_irq = search_nonuse_irq(); 249 250 return 0; 251} 252 253static int pccard_get_status(struct pcmcia_socket *sock, u_int *value) 254{ 255 unsigned int slot; 256 uint8_t status, sense; 257 u_int val = 0; 258 259 if (sock == NULL || sock->sock >= CARD_MAX_SLOTS || value == NULL) 260 return -EINVAL; 261 262 slot = sock->sock; 263 264 status = exca_read_byte(slot, I365_STATUS); 265 if (exca_read_byte(slot, I365_INTCTL) & I365_PC_IOCARD) { 266 if (status & I365_CS_STSCHG) 267 val |= SS_STSCHG; 268 } else { 269 if (!(status & I365_CS_BVD1)) 270 val |= SS_BATDEAD; 271 else if ((status & (I365_CS_BVD1 | I365_CS_BVD2)) == I365_CS_BVD1) 272 val |= SS_BATWARN; 273 } 274 if ((status & I365_CS_DETECT) == I365_CS_DETECT) 275 val |= SS_DETECT; 276 if (status & I365_CS_WRPROT) 277 val |= SS_WRPROT; 278 if (status & I365_CS_READY) 279 val |= SS_READY; 280 if (status & I365_CS_POWERON) 281 val |= SS_POWERON; 282 283 sense = exca_read_byte(slot, CARD_VOLTAGE_SENSE); 284 switch (sense) { 285 case VCC_3VORXV_CAPABLE: 286 val |= SS_3VCARD | SS_XVCARD; 287 break; 288 case VCC_XV_ONLY: 289 val |= SS_XVCARD; 290 break; 291 case VCC_3V_CAPABLE: 292 val |= SS_3VCARD; 293 break; 294 default: 295 /* 5V only */ 296 break; 297 } 298 299 *value = val; 300 301 return 0; 302} 303 304static inline uint8_t set_Vcc_value(u_char Vcc) 305{ 306 switch (Vcc) { 307 case 33: 308 return VCC_3V; 309 case 50: 310 return VCC_5V; 311 } 312 313 /* Small voltage is chosen for safety. */ 314 return VCC_3V; 315} 316 317static int pccard_set_socket(struct pcmcia_socket *sock, socket_state_t *state) 318{ 319 vrc4171_socket_t *socket; 320 unsigned int slot; 321 uint8_t voltage, power, control, cscint; 322 323 if (sock == NULL || sock->sock >= CARD_MAX_SLOTS || 324 (state->Vpp != state->Vcc && state->Vpp != 0) || 325 (state->Vcc != 50 && state->Vcc != 33 && state->Vcc != 0)) 326 return -EINVAL; 327 328 slot = sock->sock; 329 socket = &vrc4171_sockets[slot]; 330 331 spin_lock_irq(&socket->lock); 332 333 voltage = set_Vcc_value(state->Vcc); 334 exca_write_byte(slot, CARD_VOLTAGE_SELECT, voltage); 335 336 power = POWER_ENABLE; 337 if (state->Vpp == state->Vcc) 338 power |= VPP_GET_VCC; 339 if (state->flags & SS_OUTPUT_ENA) 340 power |= I365_PWR_OUT; 341 exca_write_byte(slot, I365_POWER, power); 342 343 control = 0; 344 if (state->io_irq != 0) 345 control |= socket->io_irq; 346 if (state->flags & SS_IOCARD) 347 control |= I365_PC_IOCARD; 348 if (state->flags & SS_RESET) 349 control &= ~I365_PC_RESET; 350 else 351 control |= I365_PC_RESET; 352 exca_write_byte(slot, I365_INTCTL, control); 353 354 cscint = 0; 355 exca_write_byte(slot, I365_CSCINT, cscint); 356 exca_read_byte(slot, I365_CSC); /* clear CardStatus change */ 357 if (state->csc_mask != 0) 358 cscint |= socket->csc_irq << 8; 359 if (state->flags & SS_IOCARD) { 360 if (state->csc_mask & SS_STSCHG) 361 cscint |= I365_CSC_STSCHG; 362 } else { 363 if (state->csc_mask & SS_BATDEAD) 364 cscint |= I365_CSC_BVD1; 365 if (state->csc_mask & SS_BATWARN) 366 cscint |= I365_CSC_BVD2; 367 } 368 if (state->csc_mask & SS_READY) 369 cscint |= I365_CSC_READY; 370 if (state->csc_mask & SS_DETECT) 371 cscint |= I365_CSC_DETECT; 372 exca_write_byte(slot, I365_CSCINT, cscint); 373 374 spin_unlock_irq(&socket->lock); 375 376 return 0; 377} 378 379static int pccard_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io) 380{ 381 unsigned int slot; 382 uint8_t ioctl, addrwin; 383 u_char map; 384 385 if (sock == NULL || sock->sock >= CARD_MAX_SLOTS || 386 io == NULL || io->map >= IO_MAX_MAPS || 387 io->start > 0xffff || io->stop > 0xffff || io->start > io->stop) 388 return -EINVAL; 389 390 slot = sock->sock; 391 map = io->map; 392 393 addrwin = exca_read_byte(slot, I365_ADDRWIN); 394 if (addrwin & I365_ENA_IO(map)) { 395 addrwin &= ~I365_ENA_IO(map); 396 exca_write_byte(slot, I365_ADDRWIN, addrwin); 397 } 398 399 exca_write_word(slot, I365_IO(map)+I365_W_START, io->start); 400 exca_write_word(slot, I365_IO(map)+I365_W_STOP, io->stop); 401 402 ioctl = 0; 403 if (io->speed > 0) 404 ioctl |= I365_IOCTL_WAIT(map); 405 if (io->flags & MAP_16BIT) 406 ioctl |= I365_IOCTL_16BIT(map); 407 if (io->flags & MAP_AUTOSZ) 408 ioctl |= I365_IOCTL_IOCS16(map); 409 if (io->flags & MAP_0WS) 410 ioctl |= I365_IOCTL_0WS(map); 411 exca_write_byte(slot, I365_IOCTL, ioctl); 412 413 if (io->flags & MAP_ACTIVE) { 414 addrwin |= I365_ENA_IO(map); 415 exca_write_byte(slot, I365_ADDRWIN, addrwin); 416 } 417 418 return 0; 419} 420 421static int pccard_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem) 422{ 423 unsigned int slot; 424 uint16_t start, stop, offset; 425 uint8_t addrwin; 426 u_char map; 427 428 if (sock == NULL || sock->sock >= CARD_MAX_SLOTS || 429 mem == NULL || mem->map >= MEM_MAX_MAPS || 430 mem->res->start < CARD_MEM_START || mem->res->start > CARD_MEM_END || 431 mem->res->end < CARD_MEM_START || mem->res->end > CARD_MEM_END || 432 mem->res->start > mem->res->end || 433 mem->card_start > CARD_MAX_MEM_OFFSET || 434 mem->speed > CARD_MAX_MEM_SPEED) 435 return -EINVAL; 436 437 slot = sock->sock; 438 map = mem->map; 439 440 addrwin = exca_read_byte(slot, I365_ADDRWIN); 441 if (addrwin & I365_ENA_MEM(map)) { 442 addrwin &= ~I365_ENA_MEM(map); 443 exca_write_byte(slot, I365_ADDRWIN, addrwin); 444 } 445 446 start = (mem->res->start >> 12) & 0x3fff; 447 if (mem->flags & MAP_16BIT) 448 start |= I365_MEM_16BIT; 449 exca_write_word(slot, I365_MEM(map)+I365_W_START, start); 450 451 stop = (mem->res->end >> 12) & 0x3fff; 452 switch (mem->speed) { 453 case 0: 454 break; 455 case 1: 456 stop |= I365_MEM_WS0; 457 break; 458 case 2: 459 stop |= I365_MEM_WS1; 460 break; 461 default: 462 stop |= I365_MEM_WS0 | I365_MEM_WS1; 463 break; 464 } 465 exca_write_word(slot, I365_MEM(map)+I365_W_STOP, stop); 466 467 offset = (mem->card_start >> 12) & 0x3fff; 468 if (mem->flags & MAP_ATTRIB) 469 offset |= I365_MEM_REG; 470 if (mem->flags & MAP_WRPROT) 471 offset |= I365_MEM_WRPROT; 472 exca_write_word(slot, I365_MEM(map)+I365_W_OFF, offset); 473 474 if (mem->flags & MAP_ACTIVE) { 475 addrwin |= I365_ENA_MEM(map); 476 exca_write_byte(slot, I365_ADDRWIN, addrwin); 477 } 478 479 return 0; 480} 481 482static struct pccard_operations vrc4171_pccard_operations = { 483 .init = pccard_init, 484 .get_status = pccard_get_status, 485 .set_socket = pccard_set_socket, 486 .set_io_map = pccard_set_io_map, 487 .set_mem_map = pccard_set_mem_map, 488}; 489 490static inline unsigned int get_events(int slot) 491{ 492 unsigned int events = 0; 493 uint8_t status, csc; 494 495 status = exca_read_byte(slot, I365_STATUS); 496 csc = exca_read_byte(slot, I365_CSC); 497 498 if (exca_read_byte(slot, I365_INTCTL) & I365_PC_IOCARD) { 499 if ((csc & I365_CSC_STSCHG) && (status & I365_CS_STSCHG)) 500 events |= SS_STSCHG; 501 } else { 502 if (csc & (I365_CSC_BVD1 | I365_CSC_BVD2)) { 503 if (!(status & I365_CS_BVD1)) 504 events |= SS_BATDEAD; 505 else if ((status & (I365_CS_BVD1 | I365_CS_BVD2)) == I365_CS_BVD1) 506 events |= SS_BATWARN; 507 } 508 } 509 if ((csc & I365_CSC_READY) && (status & I365_CS_READY)) 510 events |= SS_READY; 511 if ((csc & I365_CSC_DETECT) && ((status & I365_CS_DETECT) == I365_CS_DETECT)) 512 events |= SS_DETECT; 513 514 return events; 515} 516 517static irqreturn_t pccard_interrupt(int irq, void *dev_id) 518{ 519 vrc4171_socket_t *socket; 520 unsigned int events; 521 irqreturn_t retval = IRQ_NONE; 522 uint16_t status; 523 524 status = vrc4171_get_irq_status(); 525 if (status & IRQ_A) { 526 socket = &vrc4171_sockets[CARD_SLOTA]; 527 if (socket->slot == SLOT_INITIALIZED) { 528 if (status & (1 << socket->csc_irq)) { 529 events = get_events(CARD_SLOTA); 530 if (events != 0) { 531 pcmcia_parse_events(&socket->pcmcia_socket, events); 532 retval = IRQ_HANDLED; 533 } 534 } 535 } 536 } 537 538 if (status & IRQ_B) { 539 socket = &vrc4171_sockets[CARD_SLOTB]; 540 if (socket->slot == SLOT_INITIALIZED) { 541 if (status & (1 << socket->csc_irq)) { 542 events = get_events(CARD_SLOTB); 543 if (events != 0) { 544 pcmcia_parse_events(&socket->pcmcia_socket, events); 545 retval = IRQ_HANDLED; 546 } 547 } 548 } 549 } 550 551 return retval; 552} 553 554static inline void reserve_using_irq(int slot) 555{ 556 unsigned int irq; 557 558 irq = exca_read_byte(slot, I365_INTCTL); 559 irq &= 0x0f; 560 vrc4171_irq_mask &= ~(1 << irq); 561 562 irq = exca_read_byte(slot, I365_CSCINT); 563 irq = (irq & 0xf0) >> 4; 564 vrc4171_irq_mask &= ~(1 << irq); 565} 566 567static int __devinit vrc4171_add_sockets(void) 568{ 569 vrc4171_socket_t *socket; 570 int slot, retval; 571 572 for (slot = 0; slot < CARD_MAX_SLOTS; slot++) { 573 if (slot == CARD_SLOTB && vrc4171_slotb == SLOTB_IS_NONE) 574 continue; 575 576 socket = &vrc4171_sockets[slot]; 577 if (socket->slot != SLOT_PROBE) { 578 uint8_t addrwin; 579 580 switch (socket->slot) { 581 case SLOT_NOPROBE_MEM: 582 addrwin = exca_read_byte(slot, I365_ADDRWIN); 583 addrwin &= 0x1f; 584 exca_write_byte(slot, I365_ADDRWIN, addrwin); 585 break; 586 case SLOT_NOPROBE_IO: 587 addrwin = exca_read_byte(slot, I365_ADDRWIN); 588 addrwin &= 0xc0; 589 exca_write_byte(slot, I365_ADDRWIN, addrwin); 590 break; 591 default: 592 break; 593 } 594 595 reserve_using_irq(slot); 596 continue; 597 } 598 599 sprintf(socket->name, "NEC VRC4171 Card Slot %1c", 'A' + slot); 600 socket->pcmcia_socket.dev.parent = &vrc4171_card_device.dev; 601 socket->pcmcia_socket.ops = &vrc4171_pccard_operations; 602 socket->pcmcia_socket.owner = THIS_MODULE; 603 604 retval = pcmcia_register_socket(&socket->pcmcia_socket); 605 if (retval < 0) 606 return retval; 607 608 exca_write_byte(slot, I365_ADDRWIN, 0); 609 exca_write_byte(slot, GLOBAL_CONTROL, 0); 610 611 socket->slot = SLOT_INITIALIZED; 612 } 613 614 return 0; 615} 616 617static void vrc4171_remove_sockets(void) 618{ 619 vrc4171_socket_t *socket; 620 int slot; 621 622 for (slot = 0; slot < CARD_MAX_SLOTS; slot++) { 623 if (slot == CARD_SLOTB && vrc4171_slotb == SLOTB_IS_NONE) 624 continue; 625 626 socket = &vrc4171_sockets[slot]; 627 if (socket->slot == SLOT_INITIALIZED) 628 pcmcia_unregister_socket(&socket->pcmcia_socket); 629 630 socket->slot = SLOT_PROBE; 631 } 632} 633 634static int __devinit vrc4171_card_setup(char *options) 635{ 636 if (options == NULL || *options == '\0') 637 return 1; 638 639 if (strncmp(options, "irq:", 4) == 0) { 640 int irq; 641 options += 4; 642 irq = simple_strtoul(options, &options, 0); 643 if (irq >= 0 && irq < nr_irqs) 644 vrc4171_irq = irq; 645 646 if (*options != ',') 647 return 1; 648 options++; 649 } 650 651 if (strncmp(options, "slota:", 6) == 0) { 652 options += 6; 653 if (*options != '\0') { 654 if (strncmp(options, "memnoprobe", 10) == 0) { 655 vrc4171_sockets[CARD_SLOTA].slot = SLOT_NOPROBE_MEM; 656 options += 10; 657 } else if (strncmp(options, "ionoprobe", 9) == 0) { 658 vrc4171_sockets[CARD_SLOTA].slot = SLOT_NOPROBE_IO; 659 options += 9; 660 } else if ( strncmp(options, "noprobe", 7) == 0) { 661 vrc4171_sockets[CARD_SLOTA].slot = SLOT_NOPROBE_ALL; 662 options += 7; 663 } 664 665 if (*options != ',') 666 return 1; 667 options++; 668 } else 669 return 1; 670 671 } 672 673 if (strncmp(options, "slotb:", 6) == 0) { 674 options += 6; 675 if (*options != '\0') { 676 if (strncmp(options, "pccard", 6) == 0) { 677 vrc4171_slotb = SLOTB_IS_PCCARD; 678 options += 6; 679 } else if (strncmp(options, "cf", 2) == 0) { 680 vrc4171_slotb = SLOTB_IS_CF; 681 options += 2; 682 } else if (strncmp(options, "flashrom", 8) == 0) { 683 vrc4171_slotb = SLOTB_IS_FLASHROM; 684 options += 8; 685 } else if (strncmp(options, "none", 4) == 0) { 686 vrc4171_slotb = SLOTB_IS_NONE; 687 options += 4; 688 } 689 690 if (*options != ',') 691 return 1; 692 options++; 693 694 if (strncmp(options, "memnoprobe", 10) == 0) 695 vrc4171_sockets[CARD_SLOTB].slot = SLOT_NOPROBE_MEM; 696 if (strncmp(options, "ionoprobe", 9) == 0) 697 vrc4171_sockets[CARD_SLOTB].slot = SLOT_NOPROBE_IO; 698 if (strncmp(options, "noprobe", 7) == 0) 699 vrc4171_sockets[CARD_SLOTB].slot = SLOT_NOPROBE_ALL; 700 } 701 } 702 703 return 1; 704} 705 706__setup("vrc4171_card=", vrc4171_card_setup); 707 708static struct platform_driver vrc4171_card_driver = { 709 .driver = { 710 .name = vrc4171_card_name, 711 .owner = THIS_MODULE, 712 }, 713}; 714 715static int __devinit vrc4171_card_init(void) 716{ 717 int retval; 718 719 retval = platform_driver_register(&vrc4171_card_driver); 720 if (retval < 0) 721 return retval; 722 723 retval = platform_device_register(&vrc4171_card_device); 724 if (retval < 0) { 725 platform_driver_unregister(&vrc4171_card_driver); 726 return retval; 727 } 728 729 vrc4171_set_multifunction_pin(vrc4171_slotb); 730 731 retval = vrc4171_add_sockets(); 732 if (retval == 0) 733 retval = request_irq(vrc4171_irq, pccard_interrupt, IRQF_SHARED, 734 vrc4171_card_name, vrc4171_sockets); 735 736 if (retval < 0) { 737 vrc4171_remove_sockets(); 738 platform_device_unregister(&vrc4171_card_device); 739 platform_driver_unregister(&vrc4171_card_driver); 740 return retval; 741 } 742 743 printk(KERN_INFO "%s, connected to IRQ %d\n", 744 vrc4171_card_driver.driver.name, vrc4171_irq); 745 746 return 0; 747} 748 749static void __devexit vrc4171_card_exit(void) 750{ 751 free_irq(vrc4171_irq, vrc4171_sockets); 752 vrc4171_remove_sockets(); 753 platform_device_unregister(&vrc4171_card_device); 754 platform_driver_unregister(&vrc4171_card_driver); 755} 756 757module_init(vrc4171_card_init); 758module_exit(vrc4171_card_exit); 759