1/* 2 * vrc4171_card.c, NEC VRC4171 Card Controller driver for Socket Services. 3 * 4 * Copyright (C) 2003-2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> 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 <yoichi_yuasa@tripeaks.co.jp>"); 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} vrc4171_socket_t; 109 110static vrc4171_socket_t vrc4171_sockets[CARD_MAX_SLOTS]; 111static vrc4171_slotb_t vrc4171_slotb = SLOTB_IS_NONE; 112static char vrc4171_card_name[] = "NEC VRC4171 Card Controller"; 113static unsigned int vrc4171_irq; 114static uint16_t vrc4171_irq_mask = 0xdeb8; 115 116static struct resource vrc4171_card_resource[3] = { 117 { .name = vrc4171_card_name, 118 .start = CARD_CONTROLLER_START, 119 .end = CARD_CONTROLLER_END, 120 .flags = IORESOURCE_IO, }, 121 { .name = vrc4171_card_name, 122 .start = INTERRUPT_STATUS, 123 .end = INTERRUPT_STATUS, 124 .flags = IORESOURCE_IO, }, 125 { .name = vrc4171_card_name, 126 .start = CONFIGURATION1, 127 .end = CONFIGURATION1, 128 .flags = IORESOURCE_IO, }, 129}; 130 131static struct platform_device vrc4171_card_device = { 132 .name = vrc4171_card_name, 133 .id = 0, 134 .num_resources = 3, 135 .resource = vrc4171_card_resource, 136}; 137 138static inline uint16_t vrc4171_get_irq_status(void) 139{ 140 return inw(INTERRUPT_STATUS); 141} 142 143static inline void vrc4171_set_multifunction_pin(vrc4171_slotb_t config) 144{ 145 uint16_t config1; 146 147 config1 = inw(CONFIGURATION1); 148 config1 &= ~SLOTB_CONFIG; 149 150 switch (config) { 151 case SLOTB_IS_NONE: 152 config1 |= SLOTB_NONE; 153 break; 154 case SLOTB_IS_PCCARD: 155 config1 |= SLOTB_PCCARD; 156 break; 157 case SLOTB_IS_CF: 158 config1 |= SLOTB_CF; 159 break; 160 case SLOTB_IS_FLASHROM: 161 config1 |= SLOTB_FLASHROM; 162 break; 163 default: 164 break; 165 } 166 167 outw(config1, CONFIGURATION1); 168} 169 170static inline uint8_t exca_read_byte(int slot, uint8_t index) 171{ 172 if (slot == CARD_SLOTB) 173 index += CARD_SLOTB_OFFSET; 174 175 outb(index, CARD_CONTROLLER_INDEX); 176 return inb(CARD_CONTROLLER_DATA); 177} 178 179static inline uint16_t exca_read_word(int slot, uint8_t index) 180{ 181 uint16_t data; 182 183 if (slot == CARD_SLOTB) 184 index += CARD_SLOTB_OFFSET; 185 186 outb(index++, CARD_CONTROLLER_INDEX); 187 data = inb(CARD_CONTROLLER_DATA); 188 189 outb(index, CARD_CONTROLLER_INDEX); 190 data |= ((uint16_t)inb(CARD_CONTROLLER_DATA)) << 8; 191 192 return data; 193} 194 195static inline uint8_t exca_write_byte(int slot, uint8_t index, uint8_t data) 196{ 197 if (slot == CARD_SLOTB) 198 index += CARD_SLOTB_OFFSET; 199 200 outb(index, CARD_CONTROLLER_INDEX); 201 outb(data, CARD_CONTROLLER_DATA); 202 203 return data; 204} 205 206static inline uint16_t exca_write_word(int slot, uint8_t index, uint16_t data) 207{ 208 if (slot == CARD_SLOTB) 209 index += CARD_SLOTB_OFFSET; 210 211 outb(index++, CARD_CONTROLLER_INDEX); 212 outb(data, CARD_CONTROLLER_DATA); 213 214 outb(index, CARD_CONTROLLER_INDEX); 215 outb((uint8_t)(data >> 8), CARD_CONTROLLER_DATA); 216 217 return data; 218} 219 220static inline int search_nonuse_irq(void) 221{ 222 int i; 223 224 for (i = 0; i < 16; i++) { 225 if (vrc4171_irq_mask & (1 << i)) { 226 vrc4171_irq_mask &= ~(1 << i); 227 return i; 228 } 229 } 230 231 return -1; 232} 233 234static int pccard_init(struct pcmcia_socket *sock) 235{ 236 vrc4171_socket_t *socket; 237 unsigned int slot; 238 239 sock->features |= SS_CAP_PCCARD | SS_CAP_PAGE_REGS; 240 sock->irq_mask = 0; 241 sock->map_size = 0x1000; 242 sock->pci_irq = vrc4171_irq; 243 244 slot = sock->sock; 245 socket = &vrc4171_sockets[slot]; 246 socket->csc_irq = search_nonuse_irq(); 247 socket->io_irq = search_nonuse_irq(); 248 249 return 0; 250} 251 252static int pccard_get_status(struct pcmcia_socket *sock, u_int *value) 253{ 254 unsigned int slot; 255 uint8_t status, sense; 256 u_int val = 0; 257 258 if (sock == NULL || sock->sock >= CARD_MAX_SLOTS || value == NULL) 259 return -EINVAL; 260 261 slot = sock->sock; 262 263 status = exca_read_byte(slot, I365_STATUS); 264 if (exca_read_byte(slot, I365_INTCTL) & I365_PC_IOCARD) { 265 if (status & I365_CS_STSCHG) 266 val |= SS_STSCHG; 267 } else { 268 if (!(status & I365_CS_BVD1)) 269 val |= SS_BATDEAD; 270 else if ((status & (I365_CS_BVD1 | I365_CS_BVD2)) == I365_CS_BVD1) 271 val |= SS_BATWARN; 272 } 273 if ((status & I365_CS_DETECT) == I365_CS_DETECT) 274 val |= SS_DETECT; 275 if (status & I365_CS_WRPROT) 276 val |= SS_WRPROT; 277 if (status & I365_CS_READY) 278 val |= SS_READY; 279 if (status & I365_CS_POWERON) 280 val |= SS_POWERON; 281 282 sense = exca_read_byte(slot, CARD_VOLTAGE_SENSE); 283 switch (sense) { 284 case VCC_3VORXV_CAPABLE: 285 val |= SS_3VCARD | SS_XVCARD; 286 break; 287 case VCC_XV_ONLY: 288 val |= SS_XVCARD; 289 break; 290 case VCC_3V_CAPABLE: 291 val |= SS_3VCARD; 292 break; 293 default: 294 /* 5V only */ 295 break; 296 } 297 298 *value = val; 299 300 return 0; 301} 302 303static inline uint8_t set_Vcc_value(u_char Vcc) 304{ 305 switch (Vcc) { 306 case 33: 307 return VCC_3V; 308 case 50: 309 return VCC_5V; 310 } 311 312 /* Small voltage is chosen for safety. */ 313 return VCC_3V; 314} 315 316static int pccard_set_socket(struct pcmcia_socket *sock, socket_state_t *state) 317{ 318 vrc4171_socket_t *socket; 319 unsigned int slot; 320 uint8_t voltage, power, control, cscint; 321 322 if (sock == NULL || sock->sock >= CARD_MAX_SLOTS || 323 (state->Vpp != state->Vcc && state->Vpp != 0) || 324 (state->Vcc != 50 && state->Vcc != 33 && state->Vcc != 0)) 325 return -EINVAL; 326 327 slot = sock->sock; 328 socket = &vrc4171_sockets[slot]; 329 330 spin_lock_irq(&sock->lock); 331 332 voltage = set_Vcc_value(state->Vcc); 333 exca_write_byte(slot, CARD_VOLTAGE_SELECT, voltage); 334 335 power = POWER_ENABLE; 336 if (state->Vpp == state->Vcc) 337 power |= VPP_GET_VCC; 338 if (state->flags & SS_OUTPUT_ENA) 339 power |= I365_PWR_OUT; 340 exca_write_byte(slot, I365_POWER, power); 341 342 control = 0; 343 if (state->io_irq != 0) 344 control |= socket->io_irq; 345 if (state->flags & SS_IOCARD) 346 control |= I365_PC_IOCARD; 347 if (state->flags & SS_RESET) 348 control &= ~I365_PC_RESET; 349 else 350 control |= I365_PC_RESET; 351 exca_write_byte(slot, I365_INTCTL, control); 352 353 cscint = 0; 354 exca_write_byte(slot, I365_CSCINT, cscint); 355 exca_read_byte(slot, I365_CSC); /* clear CardStatus change */ 356 if (state->csc_mask != 0) 357 cscint |= socket->csc_irq << 8; 358 if (state->flags & SS_IOCARD) { 359 if (state->csc_mask & SS_STSCHG) 360 cscint |= I365_CSC_STSCHG; 361 } else { 362 if (state->csc_mask & SS_BATDEAD) 363 cscint |= I365_CSC_BVD1; 364 if (state->csc_mask & SS_BATWARN) 365 cscint |= I365_CSC_BVD2; 366 } 367 if (state->csc_mask & SS_READY) 368 cscint |= I365_CSC_READY; 369 if (state->csc_mask & SS_DETECT) 370 cscint |= I365_CSC_DETECT; 371 exca_write_byte(slot, I365_CSCINT, cscint); 372 373 spin_unlock_irq(&sock->lock); 374 375 return 0; 376} 377 378static int pccard_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io) 379{ 380 unsigned int slot; 381 uint8_t ioctl, addrwin; 382 u_char map; 383 384 if (sock == NULL || sock->sock >= CARD_MAX_SLOTS || 385 io == NULL || io->map >= IO_MAX_MAPS || 386 io->start > 0xffff || io->stop > 0xffff || io->start > io->stop) 387 return -EINVAL; 388 389 slot = sock->sock; 390 map = io->map; 391 392 addrwin = exca_read_byte(slot, I365_ADDRWIN); 393 if (addrwin & I365_ENA_IO(map)) { 394 addrwin &= ~I365_ENA_IO(map); 395 exca_write_byte(slot, I365_ADDRWIN, addrwin); 396 } 397 398 exca_write_word(slot, I365_IO(map)+I365_W_START, io->start); 399 exca_write_word(slot, I365_IO(map)+I365_W_STOP, io->stop); 400 401 ioctl = 0; 402 if (io->speed > 0) 403 ioctl |= I365_IOCTL_WAIT(map); 404 if (io->flags & MAP_16BIT) 405 ioctl |= I365_IOCTL_16BIT(map); 406 if (io->flags & MAP_AUTOSZ) 407 ioctl |= I365_IOCTL_IOCS16(map); 408 if (io->flags & MAP_0WS) 409 ioctl |= I365_IOCTL_0WS(map); 410 exca_write_byte(slot, I365_IOCTL, ioctl); 411 412 if (io->flags & MAP_ACTIVE) { 413 addrwin |= I365_ENA_IO(map); 414 exca_write_byte(slot, I365_ADDRWIN, addrwin); 415 } 416 417 return 0; 418} 419 420static int pccard_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem) 421{ 422 unsigned int slot; 423 uint16_t start, stop, offset; 424 uint8_t addrwin; 425 u_char map; 426 427 if (sock == NULL || sock->sock >= CARD_MAX_SLOTS || 428 mem == NULL || mem->map >= MEM_MAX_MAPS || 429 mem->res->start < CARD_MEM_START || mem->res->start > CARD_MEM_END || 430 mem->res->end < CARD_MEM_START || mem->res->end > CARD_MEM_END || 431 mem->res->start > mem->res->end || 432 mem->card_start > CARD_MAX_MEM_OFFSET || 433 mem->speed > CARD_MAX_MEM_SPEED) 434 return -EINVAL; 435 436 slot = sock->sock; 437 map = mem->map; 438 439 addrwin = exca_read_byte(slot, I365_ADDRWIN); 440 if (addrwin & I365_ENA_MEM(map)) { 441 addrwin &= ~I365_ENA_MEM(map); 442 exca_write_byte(slot, I365_ADDRWIN, addrwin); 443 } 444 445 start = (mem->res->start >> 12) & 0x3fff; 446 if (mem->flags & MAP_16BIT) 447 start |= I365_MEM_16BIT; 448 exca_write_word(slot, I365_MEM(map)+I365_W_START, start); 449 450 stop = (mem->res->end >> 12) & 0x3fff; 451 switch (mem->speed) { 452 case 0: 453 break; 454 case 1: 455 stop |= I365_MEM_WS0; 456 break; 457 case 2: 458 stop |= I365_MEM_WS1; 459 break; 460 default: 461 stop |= I365_MEM_WS0 | I365_MEM_WS1; 462 break; 463 } 464 exca_write_word(slot, I365_MEM(map)+I365_W_STOP, stop); 465 466 offset = (mem->card_start >> 12) & 0x3fff; 467 if (mem->flags & MAP_ATTRIB) 468 offset |= I365_MEM_REG; 469 if (mem->flags & MAP_WRPROT) 470 offset |= I365_MEM_WRPROT; 471 exca_write_word(slot, I365_MEM(map)+I365_W_OFF, offset); 472 473 if (mem->flags & MAP_ACTIVE) { 474 addrwin |= I365_ENA_MEM(map); 475 exca_write_byte(slot, I365_ADDRWIN, addrwin); 476 } 477 478 return 0; 479} 480 481static struct pccard_operations vrc4171_pccard_operations = { 482 .init = pccard_init, 483 .get_status = pccard_get_status, 484 .set_socket = pccard_set_socket, 485 .set_io_map = pccard_set_io_map, 486 .set_mem_map = pccard_set_mem_map, 487}; 488 489static inline unsigned int get_events(int slot) 490{ 491 unsigned int events = 0; 492 uint8_t status, csc; 493 494 status = exca_read_byte(slot, I365_STATUS); 495 csc = exca_read_byte(slot, I365_CSC); 496 497 if (exca_read_byte(slot, I365_INTCTL) & I365_PC_IOCARD) { 498 if ((csc & I365_CSC_STSCHG) && (status & I365_CS_STSCHG)) 499 events |= SS_STSCHG; 500 } else { 501 if (csc & (I365_CSC_BVD1 | I365_CSC_BVD2)) { 502 if (!(status & I365_CS_BVD1)) 503 events |= SS_BATDEAD; 504 else if ((status & (I365_CS_BVD1 | I365_CS_BVD2)) == I365_CS_BVD1) 505 events |= SS_BATWARN; 506 } 507 } 508 if ((csc & I365_CSC_READY) && (status & I365_CS_READY)) 509 events |= SS_READY; 510 if ((csc & I365_CSC_DETECT) && ((status & I365_CS_DETECT) == I365_CS_DETECT)) 511 events |= SS_DETECT; 512 513 return events; 514} 515 516static irqreturn_t pccard_interrupt(int irq, void *dev_id) 517{ 518 vrc4171_socket_t *socket; 519 unsigned int events; 520 irqreturn_t retval = IRQ_NONE; 521 uint16_t status; 522 523 status = vrc4171_get_irq_status(); 524 if (status & IRQ_A) { 525 socket = &vrc4171_sockets[CARD_SLOTA]; 526 if (socket->slot == SLOT_INITIALIZED) { 527 if (status & (1 << socket->csc_irq)) { 528 events = get_events(CARD_SLOTA); 529 if (events != 0) { 530 pcmcia_parse_events(&socket->pcmcia_socket, events); 531 retval = IRQ_HANDLED; 532 } 533 } 534 } 535 } 536 537 if (status & IRQ_B) { 538 socket = &vrc4171_sockets[CARD_SLOTB]; 539 if (socket->slot == SLOT_INITIALIZED) { 540 if (status & (1 << socket->csc_irq)) { 541 events = get_events(CARD_SLOTB); 542 if (events != 0) { 543 pcmcia_parse_events(&socket->pcmcia_socket, events); 544 retval = IRQ_HANDLED; 545 } 546 } 547 } 548 } 549 550 return retval; 551} 552 553static inline void reserve_using_irq(int slot) 554{ 555 unsigned int irq; 556 557 irq = exca_read_byte(slot, I365_INTCTL); 558 irq &= 0x0f; 559 vrc4171_irq_mask &= ~(1 << irq); 560 561 irq = exca_read_byte(slot, I365_CSCINT); 562 irq = (irq & 0xf0) >> 4; 563 vrc4171_irq_mask &= ~(1 << irq); 564} 565 566static int __devinit vrc4171_add_sockets(void) 567{ 568 vrc4171_socket_t *socket; 569 int slot, retval; 570 571 for (slot = 0; slot < CARD_MAX_SLOTS; slot++) { 572 if (slot == CARD_SLOTB && vrc4171_slotb == SLOTB_IS_NONE) 573 continue; 574 575 socket = &vrc4171_sockets[slot]; 576 if (socket->slot != SLOT_PROBE) { 577 uint8_t addrwin; 578 579 switch (socket->slot) { 580 case SLOT_NOPROBE_MEM: 581 addrwin = exca_read_byte(slot, I365_ADDRWIN); 582 addrwin &= 0x1f; 583 exca_write_byte(slot, I365_ADDRWIN, addrwin); 584 break; 585 case SLOT_NOPROBE_IO: 586 addrwin = exca_read_byte(slot, I365_ADDRWIN); 587 addrwin &= 0xc0; 588 exca_write_byte(slot, I365_ADDRWIN, addrwin); 589 break; 590 default: 591 break; 592 } 593 594 reserve_using_irq(slot); 595 continue; 596 } 597 598 sprintf(socket->name, "NEC VRC4171 Card Slot %1c", 'A' + slot); 599 socket->pcmcia_socket.dev.parent = &vrc4171_card_device.dev; 600 socket->pcmcia_socket.ops = &vrc4171_pccard_operations; 601 socket->pcmcia_socket.owner = THIS_MODULE; 602 603 retval = pcmcia_register_socket(&socket->pcmcia_socket); 604 if (retval < 0) 605 return retval; 606 607 exca_write_byte(slot, I365_ADDRWIN, 0); 608 exca_write_byte(slot, GLOBAL_CONTROL, 0); 609 610 socket->slot = SLOT_INITIALIZED; 611 } 612 613 return 0; 614} 615 616static void vrc4171_remove_sockets(void) 617{ 618 vrc4171_socket_t *socket; 619 int slot; 620 621 for (slot = 0; slot < CARD_MAX_SLOTS; slot++) { 622 if (slot == CARD_SLOTB && vrc4171_slotb == SLOTB_IS_NONE) 623 continue; 624 625 socket = &vrc4171_sockets[slot]; 626 if (socket->slot == SLOT_INITIALIZED) 627 pcmcia_unregister_socket(&socket->pcmcia_socket); 628 629 socket->slot = SLOT_PROBE; 630 } 631} 632 633static int __devinit vrc4171_card_setup(char *options) 634{ 635 if (options == NULL || *options == '\0') 636 return 1; 637 638 if (strncmp(options, "irq:", 4) == 0) { 639 int irq; 640 options += 4; 641 irq = simple_strtoul(options, &options, 0); 642 if (irq >= 0 && irq < NR_IRQS) 643 vrc4171_irq = irq; 644 645 if (*options != ',') 646 return 1; 647 options++; 648 } 649 650 if (strncmp(options, "slota:", 6) == 0) { 651 options += 6; 652 if (*options != '\0') { 653 if (strncmp(options, "memnoprobe", 10) == 0) { 654 vrc4171_sockets[CARD_SLOTA].slot = SLOT_NOPROBE_MEM; 655 options += 10; 656 } else if (strncmp(options, "ionoprobe", 9) == 0) { 657 vrc4171_sockets[CARD_SLOTA].slot = SLOT_NOPROBE_IO; 658 options += 9; 659 } else if ( strncmp(options, "noprobe", 7) == 0) { 660 vrc4171_sockets[CARD_SLOTA].slot = SLOT_NOPROBE_ALL; 661 options += 7; 662 } 663 664 if (*options != ',') 665 return 1; 666 options++; 667 } else 668 return 1; 669 670 } 671 672 if (strncmp(options, "slotb:", 6) == 0) { 673 options += 6; 674 if (*options != '\0') { 675 if (strncmp(options, "pccard", 6) == 0) { 676 vrc4171_slotb = SLOTB_IS_PCCARD; 677 options += 6; 678 } else if (strncmp(options, "cf", 2) == 0) { 679 vrc4171_slotb = SLOTB_IS_CF; 680 options += 2; 681 } else if (strncmp(options, "flashrom", 8) == 0) { 682 vrc4171_slotb = SLOTB_IS_FLASHROM; 683 options += 8; 684 } else if (strncmp(options, "none", 4) == 0) { 685 vrc4171_slotb = SLOTB_IS_NONE; 686 options += 4; 687 } 688 689 if (*options != ',') 690 return 1; 691 options++; 692 693 if (strncmp(options, "memnoprobe", 10) == 0) 694 vrc4171_sockets[CARD_SLOTB].slot = SLOT_NOPROBE_MEM; 695 if (strncmp(options, "ionoprobe", 9) == 0) 696 vrc4171_sockets[CARD_SLOTB].slot = SLOT_NOPROBE_IO; 697 if (strncmp(options, "noprobe", 7) == 0) 698 vrc4171_sockets[CARD_SLOTB].slot = SLOT_NOPROBE_ALL; 699 } 700 } 701 702 return 1; 703} 704 705__setup("vrc4171_card=", vrc4171_card_setup); 706 707static struct device_driver vrc4171_card_driver = { 708 .name = vrc4171_card_name, 709 .bus = &platform_bus_type, 710 .suspend = pcmcia_socket_dev_suspend, 711 .resume = pcmcia_socket_dev_resume, 712}; 713 714static int __devinit vrc4171_card_init(void) 715{ 716 int retval; 717 718 retval = driver_register(&vrc4171_card_driver); 719 if (retval < 0) 720 return retval; 721 722 retval = platform_device_register(&vrc4171_card_device); 723 if (retval < 0) { 724 driver_unregister(&vrc4171_card_driver); 725 return retval; 726 } 727 728 vrc4171_set_multifunction_pin(vrc4171_slotb); 729 730 retval = vrc4171_add_sockets(); 731 if (retval == 0) 732 retval = request_irq(vrc4171_irq, pccard_interrupt, IRQF_SHARED, 733 vrc4171_card_name, vrc4171_sockets); 734 735 if (retval < 0) { 736 vrc4171_remove_sockets(); 737 platform_device_unregister(&vrc4171_card_device); 738 driver_unregister(&vrc4171_card_driver); 739 return retval; 740 } 741 742 printk(KERN_INFO "%s, connected to IRQ %d\n", vrc4171_card_driver.name, vrc4171_irq); 743 744 return 0; 745} 746 747static void __devexit vrc4171_card_exit(void) 748{ 749 free_irq(vrc4171_irq, vrc4171_sockets); 750 vrc4171_remove_sockets(); 751 platform_device_unregister(&vrc4171_card_device); 752 driver_unregister(&vrc4171_card_driver); 753} 754 755module_init(vrc4171_card_init); 756module_exit(vrc4171_card_exit); 757