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 spin_lock_init(&socket->lock); 250 251 return 0; 252} 253 254static int pccard_get_status(struct pcmcia_socket *sock, u_int *value) 255{ 256 unsigned int slot; 257 uint8_t status, sense; 258 u_int val = 0; 259 260 if (sock == NULL || sock->sock >= CARD_MAX_SLOTS || value == NULL) 261 return -EINVAL; 262 263 slot = sock->sock; 264 265 status = exca_read_byte(slot, I365_STATUS); 266 if (exca_read_byte(slot, I365_INTCTL) & I365_PC_IOCARD) { 267 if (status & I365_CS_STSCHG) 268 val |= SS_STSCHG; 269 } else { 270 if (!(status & I365_CS_BVD1)) 271 val |= SS_BATDEAD; 272 else if ((status & (I365_CS_BVD1 | I365_CS_BVD2)) == I365_CS_BVD1) 273 val |= SS_BATWARN; 274 } 275 if ((status & I365_CS_DETECT) == I365_CS_DETECT) 276 val |= SS_DETECT; 277 if (status & I365_CS_WRPROT) 278 val |= SS_WRPROT; 279 if (status & I365_CS_READY) 280 val |= SS_READY; 281 if (status & I365_CS_POWERON) 282 val |= SS_POWERON; 283 284 sense = exca_read_byte(slot, CARD_VOLTAGE_SENSE); 285 switch (sense) { 286 case VCC_3VORXV_CAPABLE: 287 val |= SS_3VCARD | SS_XVCARD; 288 break; 289 case VCC_XV_ONLY: 290 val |= SS_XVCARD; 291 break; 292 case VCC_3V_CAPABLE: 293 val |= SS_3VCARD; 294 break; 295 default: 296 /* 5V only */ 297 break; 298 } 299 300 *value = val; 301 302 return 0; 303} 304 305static inline uint8_t set_Vcc_value(u_char Vcc) 306{ 307 switch (Vcc) { 308 case 33: 309 return VCC_3V; 310 case 50: 311 return VCC_5V; 312 } 313 314 /* Small voltage is chosen for safety. */ 315 return VCC_3V; 316} 317 318static int pccard_set_socket(struct pcmcia_socket *sock, socket_state_t *state) 319{ 320 vrc4171_socket_t *socket; 321 unsigned int slot; 322 uint8_t voltage, power, control, cscint; 323 324 if (sock == NULL || sock->sock >= CARD_MAX_SLOTS || 325 (state->Vpp != state->Vcc && state->Vpp != 0) || 326 (state->Vcc != 50 && state->Vcc != 33 && state->Vcc != 0)) 327 return -EINVAL; 328 329 slot = sock->sock; 330 socket = &vrc4171_sockets[slot]; 331 332 spin_lock_irq(&socket->lock); 333 334 voltage = set_Vcc_value(state->Vcc); 335 exca_write_byte(slot, CARD_VOLTAGE_SELECT, voltage); 336 337 power = POWER_ENABLE; 338 if (state->Vpp == state->Vcc) 339 power |= VPP_GET_VCC; 340 if (state->flags & SS_OUTPUT_ENA) 341 power |= I365_PWR_OUT; 342 exca_write_byte(slot, I365_POWER, power); 343 344 control = 0; 345 if (state->io_irq != 0) 346 control |= socket->io_irq; 347 if (state->flags & SS_IOCARD) 348 control |= I365_PC_IOCARD; 349 if (state->flags & SS_RESET) 350 control &= ~I365_PC_RESET; 351 else 352 control |= I365_PC_RESET; 353 exca_write_byte(slot, I365_INTCTL, control); 354 355 cscint = 0; 356 exca_write_byte(slot, I365_CSCINT, cscint); 357 exca_read_byte(slot, I365_CSC); /* clear CardStatus change */ 358 if (state->csc_mask != 0) 359 cscint |= socket->csc_irq << 8; 360 if (state->flags & SS_IOCARD) { 361 if (state->csc_mask & SS_STSCHG) 362 cscint |= I365_CSC_STSCHG; 363 } else { 364 if (state->csc_mask & SS_BATDEAD) 365 cscint |= I365_CSC_BVD1; 366 if (state->csc_mask & SS_BATWARN) 367 cscint |= I365_CSC_BVD2; 368 } 369 if (state->csc_mask & SS_READY) 370 cscint |= I365_CSC_READY; 371 if (state->csc_mask & SS_DETECT) 372 cscint |= I365_CSC_DETECT; 373 exca_write_byte(slot, I365_CSCINT, cscint); 374 375 spin_unlock_irq(&socket->lock); 376 377 return 0; 378} 379 380static int pccard_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io) 381{ 382 unsigned int slot; 383 uint8_t ioctl, addrwin; 384 u_char map; 385 386 if (sock == NULL || sock->sock >= CARD_MAX_SLOTS || 387 io == NULL || io->map >= IO_MAX_MAPS || 388 io->start > 0xffff || io->stop > 0xffff || io->start > io->stop) 389 return -EINVAL; 390 391 slot = sock->sock; 392 map = io->map; 393 394 addrwin = exca_read_byte(slot, I365_ADDRWIN); 395 if (addrwin & I365_ENA_IO(map)) { 396 addrwin &= ~I365_ENA_IO(map); 397 exca_write_byte(slot, I365_ADDRWIN, addrwin); 398 } 399 400 exca_write_word(slot, I365_IO(map)+I365_W_START, io->start); 401 exca_write_word(slot, I365_IO(map)+I365_W_STOP, io->stop); 402 403 ioctl = 0; 404 if (io->speed > 0) 405 ioctl |= I365_IOCTL_WAIT(map); 406 if (io->flags & MAP_16BIT) 407 ioctl |= I365_IOCTL_16BIT(map); 408 if (io->flags & MAP_AUTOSZ) 409 ioctl |= I365_IOCTL_IOCS16(map); 410 if (io->flags & MAP_0WS) 411 ioctl |= I365_IOCTL_0WS(map); 412 exca_write_byte(slot, I365_IOCTL, ioctl); 413 414 if (io->flags & MAP_ACTIVE) { 415 addrwin |= I365_ENA_IO(map); 416 exca_write_byte(slot, I365_ADDRWIN, addrwin); 417 } 418 419 return 0; 420} 421 422static int pccard_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem) 423{ 424 unsigned int slot; 425 uint16_t start, stop, offset; 426 uint8_t addrwin; 427 u_char map; 428 429 if (sock == NULL || sock->sock >= CARD_MAX_SLOTS || 430 mem == NULL || mem->map >= MEM_MAX_MAPS || 431 mem->res->start < CARD_MEM_START || mem->res->start > CARD_MEM_END || 432 mem->res->end < CARD_MEM_START || mem->res->end > CARD_MEM_END || 433 mem->res->start > mem->res->end || 434 mem->card_start > CARD_MAX_MEM_OFFSET || 435 mem->speed > CARD_MAX_MEM_SPEED) 436 return -EINVAL; 437 438 slot = sock->sock; 439 map = mem->map; 440 441 addrwin = exca_read_byte(slot, I365_ADDRWIN); 442 if (addrwin & I365_ENA_MEM(map)) { 443 addrwin &= ~I365_ENA_MEM(map); 444 exca_write_byte(slot, I365_ADDRWIN, addrwin); 445 } 446 447 start = (mem->res->start >> 12) & 0x3fff; 448 if (mem->flags & MAP_16BIT) 449 start |= I365_MEM_16BIT; 450 exca_write_word(slot, I365_MEM(map)+I365_W_START, start); 451 452 stop = (mem->res->end >> 12) & 0x3fff; 453 switch (mem->speed) { 454 case 0: 455 break; 456 case 1: 457 stop |= I365_MEM_WS0; 458 break; 459 case 2: 460 stop |= I365_MEM_WS1; 461 break; 462 default: 463 stop |= I365_MEM_WS0 | I365_MEM_WS1; 464 break; 465 } 466 exca_write_word(slot, I365_MEM(map)+I365_W_STOP, stop); 467 468 offset = (mem->card_start >> 12) & 0x3fff; 469 if (mem->flags & MAP_ATTRIB) 470 offset |= I365_MEM_REG; 471 if (mem->flags & MAP_WRPROT) 472 offset |= I365_MEM_WRPROT; 473 exca_write_word(slot, I365_MEM(map)+I365_W_OFF, offset); 474 475 if (mem->flags & MAP_ACTIVE) { 476 addrwin |= I365_ENA_MEM(map); 477 exca_write_byte(slot, I365_ADDRWIN, addrwin); 478 } 479 480 return 0; 481} 482 483static struct pccard_operations vrc4171_pccard_operations = { 484 .init = pccard_init, 485 .get_status = pccard_get_status, 486 .set_socket = pccard_set_socket, 487 .set_io_map = pccard_set_io_map, 488 .set_mem_map = pccard_set_mem_map, 489}; 490 491static inline unsigned int get_events(int slot) 492{ 493 unsigned int events = 0; 494 uint8_t status, csc; 495 496 status = exca_read_byte(slot, I365_STATUS); 497 csc = exca_read_byte(slot, I365_CSC); 498 499 if (exca_read_byte(slot, I365_INTCTL) & I365_PC_IOCARD) { 500 if ((csc & I365_CSC_STSCHG) && (status & I365_CS_STSCHG)) 501 events |= SS_STSCHG; 502 } else { 503 if (csc & (I365_CSC_BVD1 | I365_CSC_BVD2)) { 504 if (!(status & I365_CS_BVD1)) 505 events |= SS_BATDEAD; 506 else if ((status & (I365_CS_BVD1 | I365_CS_BVD2)) == I365_CS_BVD1) 507 events |= SS_BATWARN; 508 } 509 } 510 if ((csc & I365_CSC_READY) && (status & I365_CS_READY)) 511 events |= SS_READY; 512 if ((csc & I365_CSC_DETECT) && ((status & I365_CS_DETECT) == I365_CS_DETECT)) 513 events |= SS_DETECT; 514 515 return events; 516} 517 518static irqreturn_t pccard_interrupt(int irq, void *dev_id) 519{ 520 vrc4171_socket_t *socket; 521 unsigned int events; 522 irqreturn_t retval = IRQ_NONE; 523 uint16_t status; 524 525 status = vrc4171_get_irq_status(); 526 if (status & IRQ_A) { 527 socket = &vrc4171_sockets[CARD_SLOTA]; 528 if (socket->slot == SLOT_INITIALIZED) { 529 if (status & (1 << socket->csc_irq)) { 530 events = get_events(CARD_SLOTA); 531 if (events != 0) { 532 pcmcia_parse_events(&socket->pcmcia_socket, events); 533 retval = IRQ_HANDLED; 534 } 535 } 536 } 537 } 538 539 if (status & IRQ_B) { 540 socket = &vrc4171_sockets[CARD_SLOTB]; 541 if (socket->slot == SLOT_INITIALIZED) { 542 if (status & (1 << socket->csc_irq)) { 543 events = get_events(CARD_SLOTB); 544 if (events != 0) { 545 pcmcia_parse_events(&socket->pcmcia_socket, events); 546 retval = IRQ_HANDLED; 547 } 548 } 549 } 550 } 551 552 return retval; 553} 554 555static inline void reserve_using_irq(int slot) 556{ 557 unsigned int irq; 558 559 irq = exca_read_byte(slot, I365_INTCTL); 560 irq &= 0x0f; 561 vrc4171_irq_mask &= ~(1 << irq); 562 563 irq = exca_read_byte(slot, I365_CSCINT); 564 irq = (irq & 0xf0) >> 4; 565 vrc4171_irq_mask &= ~(1 << irq); 566} 567 568static int vrc4171_add_sockets(void) 569{ 570 vrc4171_socket_t *socket; 571 int slot, retval; 572 573 for (slot = 0; slot < CARD_MAX_SLOTS; slot++) { 574 if (slot == CARD_SLOTB && vrc4171_slotb == SLOTB_IS_NONE) 575 continue; 576 577 socket = &vrc4171_sockets[slot]; 578 if (socket->slot != SLOT_PROBE) { 579 uint8_t addrwin; 580 581 switch (socket->slot) { 582 case SLOT_NOPROBE_MEM: 583 addrwin = exca_read_byte(slot, I365_ADDRWIN); 584 addrwin &= 0x1f; 585 exca_write_byte(slot, I365_ADDRWIN, addrwin); 586 break; 587 case SLOT_NOPROBE_IO: 588 addrwin = exca_read_byte(slot, I365_ADDRWIN); 589 addrwin &= 0xc0; 590 exca_write_byte(slot, I365_ADDRWIN, addrwin); 591 break; 592 default: 593 break; 594 } 595 596 reserve_using_irq(slot); 597 continue; 598 } 599 600 sprintf(socket->name, "NEC VRC4171 Card Slot %1c", 'A' + slot); 601 socket->pcmcia_socket.dev.parent = &vrc4171_card_device.dev; 602 socket->pcmcia_socket.ops = &vrc4171_pccard_operations; 603 socket->pcmcia_socket.owner = THIS_MODULE; 604 605 retval = pcmcia_register_socket(&socket->pcmcia_socket); 606 if (retval < 0) 607 return retval; 608 609 exca_write_byte(slot, I365_ADDRWIN, 0); 610 exca_write_byte(slot, GLOBAL_CONTROL, 0); 611 612 socket->slot = SLOT_INITIALIZED; 613 } 614 615 return 0; 616} 617 618static void vrc4171_remove_sockets(void) 619{ 620 vrc4171_socket_t *socket; 621 int slot; 622 623 for (slot = 0; slot < CARD_MAX_SLOTS; slot++) { 624 if (slot == CARD_SLOTB && vrc4171_slotb == SLOTB_IS_NONE) 625 continue; 626 627 socket = &vrc4171_sockets[slot]; 628 if (socket->slot == SLOT_INITIALIZED) 629 pcmcia_unregister_socket(&socket->pcmcia_socket); 630 631 socket->slot = SLOT_PROBE; 632 } 633} 634 635static int vrc4171_card_setup(char *options) 636{ 637 if (options == NULL || *options == '\0') 638 return 1; 639 640 if (strncmp(options, "irq:", 4) == 0) { 641 int irq; 642 options += 4; 643 irq = simple_strtoul(options, &options, 0); 644 if (irq >= 0 && irq < nr_irqs) 645 vrc4171_irq = irq; 646 647 if (*options != ',') 648 return 1; 649 options++; 650 } 651 652 if (strncmp(options, "slota:", 6) == 0) { 653 options += 6; 654 if (*options != '\0') { 655 if (strncmp(options, "memnoprobe", 10) == 0) { 656 vrc4171_sockets[CARD_SLOTA].slot = SLOT_NOPROBE_MEM; 657 options += 10; 658 } else if (strncmp(options, "ionoprobe", 9) == 0) { 659 vrc4171_sockets[CARD_SLOTA].slot = SLOT_NOPROBE_IO; 660 options += 9; 661 } else if ( strncmp(options, "noprobe", 7) == 0) { 662 vrc4171_sockets[CARD_SLOTA].slot = SLOT_NOPROBE_ALL; 663 options += 7; 664 } 665 666 if (*options != ',') 667 return 1; 668 options++; 669 } else 670 return 1; 671 672 } 673 674 if (strncmp(options, "slotb:", 6) == 0) { 675 options += 6; 676 if (*options != '\0') { 677 if (strncmp(options, "pccard", 6) == 0) { 678 vrc4171_slotb = SLOTB_IS_PCCARD; 679 options += 6; 680 } else if (strncmp(options, "cf", 2) == 0) { 681 vrc4171_slotb = SLOTB_IS_CF; 682 options += 2; 683 } else if (strncmp(options, "flashrom", 8) == 0) { 684 vrc4171_slotb = SLOTB_IS_FLASHROM; 685 options += 8; 686 } else if (strncmp(options, "none", 4) == 0) { 687 vrc4171_slotb = SLOTB_IS_NONE; 688 options += 4; 689 } 690 691 if (*options != ',') 692 return 1; 693 options++; 694 695 if (strncmp(options, "memnoprobe", 10) == 0) 696 vrc4171_sockets[CARD_SLOTB].slot = SLOT_NOPROBE_MEM; 697 if (strncmp(options, "ionoprobe", 9) == 0) 698 vrc4171_sockets[CARD_SLOTB].slot = SLOT_NOPROBE_IO; 699 if (strncmp(options, "noprobe", 7) == 0) 700 vrc4171_sockets[CARD_SLOTB].slot = SLOT_NOPROBE_ALL; 701 } 702 } 703 704 return 1; 705} 706 707__setup("vrc4171_card=", vrc4171_card_setup); 708 709static struct platform_driver vrc4171_card_driver = { 710 .driver = { 711 .name = vrc4171_card_name, 712 }, 713}; 714 715static int 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 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