1 /* 2 * Driver for the Cirrus PD6729 PCI-PCMCIA bridge. 3 * 4 * Based on the i82092.c driver. 5 * 6 * This software may be used and distributed according to the terms of 7 * the GNU General Public License, incorporated herein by reference. 8 */ 9 10 #include <linux/kernel.h> 11 #include <linux/module.h> 12 #include <linux/pci.h> 13 #include <linux/init.h> 14 #include <linux/workqueue.h> 15 #include <linux/interrupt.h> 16 #include <linux/device.h> 17 18 #include <pcmcia/cs_types.h> 19 #include <pcmcia/ss.h> 20 #include <pcmcia/cs.h> 21 22 #include <asm/system.h> 23 #include <asm/io.h> 24 25 #include "pd6729.h" 26 #include "i82365.h" 27 #include "cirrus.h" 28 29 MODULE_LICENSE("GPL"); 30 MODULE_DESCRIPTION("Driver for the Cirrus PD6729 PCI-PCMCIA bridge"); 31 MODULE_AUTHOR("Jun Komuro <komurojun-mbn@nifty.com>"); 32 33 #define MAX_SOCKETS 2 34 35 /* 36 * simple helper functions 37 * External clock time, in nanoseconds. 120 ns = 8.33 MHz 38 */ 39 #define to_cycles(ns) ((ns)/120) 40 41 #ifndef NO_IRQ 42 #define NO_IRQ ((unsigned int)(0)) 43 #endif 44 45 /* 46 * PARAMETERS 47 * irq_mode=n 48 * Specifies the interrupt delivery mode. The default (1) is to use PCI 49 * interrupts; a value of 0 selects ISA interrupts. This must be set for 50 * correct operation of PCI card readers. 51 * 52 * irq_list=i,j,... 53 * This list limits the set of interrupts that can be used by PCMCIA 54 * cards. 55 * The default list is 3,4,5,7,9,10,11. 56 * (irq_list parameter is not used, if irq_mode = 1) 57 */ 58 59 static int irq_mode = 1; /* 0 = ISA interrupt, 1 = PCI interrupt */ 60 static int irq_list[16]; 61 static unsigned int irq_list_count = 0; 62 63 module_param(irq_mode, int, 0444); 64 module_param_array(irq_list, int, &irq_list_count, 0444); 65 MODULE_PARM_DESC(irq_mode, 66 "interrupt delivery mode. 0 = ISA, 1 = PCI. default is 1"); 67 MODULE_PARM_DESC(irq_list, "interrupts that can be used by PCMCIA cards"); 68 69 static DEFINE_SPINLOCK(port_lock); 70 71 /* basic value read/write functions */ 72 73 static unsigned char indirect_read(struct pd6729_socket *socket, 74 unsigned short reg) 75 { 76 unsigned long port; 77 unsigned char val; 78 unsigned long flags; 79 80 spin_lock_irqsave(&port_lock, flags); 81 reg += socket->number * 0x40; 82 port = socket->io_base; 83 outb(reg, port); 84 val = inb(port + 1); 85 spin_unlock_irqrestore(&port_lock, flags); 86 87 return val; 88 } 89 90 static unsigned short indirect_read16(struct pd6729_socket *socket, 91 unsigned short reg) 92 { 93 unsigned long port; 94 unsigned short tmp; 95 unsigned long flags; 96 97 spin_lock_irqsave(&port_lock, flags); 98 reg = reg + socket->number * 0x40; 99 port = socket->io_base; 100 outb(reg, port); 101 tmp = inb(port + 1); 102 reg++; 103 outb(reg, port); 104 tmp = tmp | (inb(port + 1) << 8); 105 spin_unlock_irqrestore(&port_lock, flags); 106 107 return tmp; 108 } 109 110 static void indirect_write(struct pd6729_socket *socket, unsigned short reg, 111 unsigned char value) 112 { 113 unsigned long port; 114 unsigned long flags; 115 116 spin_lock_irqsave(&port_lock, flags); 117 reg = reg + socket->number * 0x40; 118 port = socket->io_base; 119 outb(reg, port); 120 outb(value, port + 1); 121 spin_unlock_irqrestore(&port_lock, flags); 122 } 123 124 static void indirect_setbit(struct pd6729_socket *socket, unsigned short reg, 125 unsigned char mask) 126 { 127 unsigned long port; 128 unsigned char val; 129 unsigned long flags; 130 131 spin_lock_irqsave(&port_lock, flags); 132 reg = reg + socket->number * 0x40; 133 port = socket->io_base; 134 outb(reg, port); 135 val = inb(port + 1); 136 val |= mask; 137 outb(reg, port); 138 outb(val, port + 1); 139 spin_unlock_irqrestore(&port_lock, flags); 140 } 141 142 static void indirect_resetbit(struct pd6729_socket *socket, unsigned short reg, 143 unsigned char mask) 144 { 145 unsigned long port; 146 unsigned char val; 147 unsigned long flags; 148 149 spin_lock_irqsave(&port_lock, flags); 150 reg = reg + socket->number * 0x40; 151 port = socket->io_base; 152 outb(reg, port); 153 val = inb(port + 1); 154 val &= ~mask; 155 outb(reg, port); 156 outb(val, port + 1); 157 spin_unlock_irqrestore(&port_lock, flags); 158 } 159 160 static void indirect_write16(struct pd6729_socket *socket, unsigned short reg, 161 unsigned short value) 162 { 163 unsigned long port; 164 unsigned char val; 165 unsigned long flags; 166 167 spin_lock_irqsave(&port_lock, flags); 168 reg = reg + socket->number * 0x40; 169 port = socket->io_base; 170 171 outb(reg, port); 172 val = value & 255; 173 outb(val, port + 1); 174 175 reg++; 176 177 outb(reg, port); 178 val = value >> 8; 179 outb(val, port + 1); 180 spin_unlock_irqrestore(&port_lock, flags); 181 } 182 183 /* Interrupt handler functionality */ 184 185 static irqreturn_t pd6729_interrupt(int irq, void *dev) 186 { 187 struct pd6729_socket *socket = (struct pd6729_socket *)dev; 188 int i; 189 int loopcount = 0; 190 int handled = 0; 191 unsigned int events, active = 0; 192 193 while (1) { 194 loopcount++; 195 if (loopcount > 20) { 196 printk(KERN_ERR "pd6729: infinite eventloop " 197 "in interrupt\n"); 198 break; 199 } 200 201 active = 0; 202 203 for (i = 0; i < MAX_SOCKETS; i++) { 204 unsigned int csc; 205 206 /* card status change register */ 207 csc = indirect_read(&socket[i], I365_CSC); 208 if (csc == 0) /* no events on this socket */ 209 continue; 210 211 handled = 1; 212 events = 0; 213 214 if (csc & I365_CSC_DETECT) { 215 events |= SS_DETECT; 216 dprintk("Card detected in socket %i!\n", i); 217 } 218 219 if (indirect_read(&socket[i], I365_INTCTL) 220 & I365_PC_IOCARD) { 221 /* For IO/CARDS, bit 0 means "read the card" */ 222 events |= (csc & I365_CSC_STSCHG) 223 ? SS_STSCHG : 0; 224 } else { 225 /* Check for battery/ready events */ 226 events |= (csc & I365_CSC_BVD1) 227 ? SS_BATDEAD : 0; 228 events |= (csc & I365_CSC_BVD2) 229 ? SS_BATWARN : 0; 230 events |= (csc & I365_CSC_READY) 231 ? SS_READY : 0; 232 } 233 234 if (events) { 235 pcmcia_parse_events(&socket[i].socket, events); 236 } 237 active |= events; 238 } 239 240 if (active == 0) /* no more events to handle */ 241 break; 242 } 243 return IRQ_RETVAL(handled); 244 } 245 246 /* socket functions */ 247 248 static void pd6729_interrupt_wrapper(unsigned long data) 249 { 250 struct pd6729_socket *socket = (struct pd6729_socket *) data; 251 252 pd6729_interrupt(0, (void *)socket); 253 mod_timer(&socket->poll_timer, jiffies + HZ); 254 } 255 256 static int pd6729_get_status(struct pcmcia_socket *sock, u_int *value) 257 { 258 struct pd6729_socket *socket 259 = container_of(sock, struct pd6729_socket, socket); 260 unsigned int status; 261 unsigned int data; 262 struct pd6729_socket *t; 263 264 /* Interface Status Register */ 265 status = indirect_read(socket, I365_STATUS); 266 *value = 0; 267 268 if ((status & I365_CS_DETECT) == I365_CS_DETECT) { 269 *value |= SS_DETECT; 270 } 271 272 /* 273 * IO cards have a different meaning of bits 0,1 274 * Also notice the inverse-logic on the bits 275 */ 276 if (indirect_read(socket, I365_INTCTL) & I365_PC_IOCARD) { 277 /* IO card */ 278 if (!(status & I365_CS_STSCHG)) 279 *value |= SS_STSCHG; 280 } else { 281 /* non I/O card */ 282 if (!(status & I365_CS_BVD1)) 283 *value |= SS_BATDEAD; 284 if (!(status & I365_CS_BVD2)) 285 *value |= SS_BATWARN; 286 } 287 288 if (status & I365_CS_WRPROT) 289 *value |= SS_WRPROT; /* card is write protected */ 290 291 if (status & I365_CS_READY) 292 *value |= SS_READY; /* card is not busy */ 293 294 if (status & I365_CS_POWERON) 295 *value |= SS_POWERON; /* power is applied to the card */ 296 297 t = (socket->number) ? socket : socket + 1; 298 indirect_write(t, PD67_EXT_INDEX, PD67_EXTERN_DATA); 299 data = indirect_read16(t, PD67_EXT_DATA); 300 *value |= (data & PD67_EXD_VS1(socket->number)) ? 0 : SS_3VCARD; 301 302 return 0; 303 } 304 305 306 static int pd6729_set_socket(struct pcmcia_socket *sock, socket_state_t *state) 307 { 308 struct pd6729_socket *socket 309 = container_of(sock, struct pd6729_socket, socket); 310 unsigned char reg, data; 311 312 /* First, set the global controller options */ 313 indirect_write(socket, I365_GBLCTL, 0x00); 314 indirect_write(socket, I365_GENCTL, 0x00); 315 316 /* Values for the IGENC register */ 317 socket->card_irq = state->io_irq; 318 319 reg = 0; 320 /* The reset bit has "inverse" logic */ 321 if (!(state->flags & SS_RESET)) 322 reg |= I365_PC_RESET; 323 if (state->flags & SS_IOCARD) 324 reg |= I365_PC_IOCARD; 325 326 /* IGENC, Interrupt and General Control Register */ 327 indirect_write(socket, I365_INTCTL, reg); 328 329 /* Power registers */ 330 331 reg = I365_PWR_NORESET; /* default: disable resetdrv on resume */ 332 333 if (state->flags & SS_PWR_AUTO) { 334 dprintk("Auto power\n"); 335 reg |= I365_PWR_AUTO; /* automatic power mngmnt */ 336 } 337 if (state->flags & SS_OUTPUT_ENA) { 338 dprintk("Power Enabled\n"); 339 reg |= I365_PWR_OUT; /* enable power */ 340 } 341 342 switch (state->Vcc) { 343 case 0: 344 break; 345 case 33: 346 dprintk("setting voltage to Vcc to 3.3V on socket %i\n", 347 socket->number); 348 reg |= I365_VCC_5V; 349 indirect_setbit(socket, PD67_MISC_CTL_1, PD67_MC1_VCC_3V); 350 break; 351 case 50: 352 dprintk("setting voltage to Vcc to 5V on socket %i\n", 353 socket->number); 354 reg |= I365_VCC_5V; 355 indirect_resetbit(socket, PD67_MISC_CTL_1, PD67_MC1_VCC_3V); 356 break; 357 default: 358 dprintk("pd6729: pd6729_set_socket called with " 359 "invalid VCC power value: %i\n", 360 state->Vcc); 361 return -EINVAL; 362 } 363 364 switch (state->Vpp) { 365 case 0: 366 dprintk("not setting Vpp on socket %i\n", socket->number); 367 break; 368 case 33: 369 case 50: 370 dprintk("setting Vpp to Vcc for socket %i\n", socket->number); 371 reg |= I365_VPP1_5V; 372 break; 373 case 120: 374 dprintk("setting Vpp to 12.0\n"); 375 reg |= I365_VPP1_12V; 376 break; 377 default: 378 dprintk("pd6729: pd6729_set_socket called with invalid VPP power value: %i\n", 379 state->Vpp); 380 return -EINVAL; 381 } 382 383 /* only write if changed */ 384 if (reg != indirect_read(socket, I365_POWER)) 385 indirect_write(socket, I365_POWER, reg); 386 387 if (irq_mode == 1) { 388 /* all interrupts are to be done as PCI interrupts */ 389 data = PD67_EC1_INV_MGMT_IRQ | PD67_EC1_INV_CARD_IRQ; 390 } else 391 data = 0; 392 393 indirect_write(socket, PD67_EXT_INDEX, PD67_EXT_CTL_1); 394 indirect_write(socket, PD67_EXT_DATA, data); 395 396 /* Enable specific interrupt events */ 397 398 reg = 0x00; 399 if (state->csc_mask & SS_DETECT) { 400 reg |= I365_CSC_DETECT; 401 } 402 if (state->flags & SS_IOCARD) { 403 if (state->csc_mask & SS_STSCHG) 404 reg |= I365_CSC_STSCHG; 405 } else { 406 if (state->csc_mask & SS_BATDEAD) 407 reg |= I365_CSC_BVD1; 408 if (state->csc_mask & SS_BATWARN) 409 reg |= I365_CSC_BVD2; 410 if (state->csc_mask & SS_READY) 411 reg |= I365_CSC_READY; 412 } 413 if (irq_mode == 1) 414 reg |= 0x30; /* management IRQ: PCI INTA# = "irq 3" */ 415 indirect_write(socket, I365_CSCINT, reg); 416 417 reg = indirect_read(socket, I365_INTCTL); 418 if (irq_mode == 1) 419 reg |= 0x03; /* card IRQ: PCI INTA# = "irq 3" */ 420 else 421 reg |= socket->card_irq; 422 indirect_write(socket, I365_INTCTL, reg); 423 424 /* now clear the (probably bogus) pending stuff by doing a dummy read */ 425 (void)indirect_read(socket, I365_CSC); 426 427 return 0; 428 } 429 430 static int pd6729_set_io_map(struct pcmcia_socket *sock, 431 struct pccard_io_map *io) 432 { 433 struct pd6729_socket *socket 434 = container_of(sock, struct pd6729_socket, socket); 435 unsigned char map, ioctl; 436 437 map = io->map; 438 439 /* Check error conditions */ 440 if (map > 1) { 441 dprintk("pd6729_set_io_map with invalid map"); 442 return -EINVAL; 443 } 444 445 /* Turn off the window before changing anything */ 446 if (indirect_read(socket, I365_ADDRWIN) & I365_ENA_IO(map)) 447 indirect_resetbit(socket, I365_ADDRWIN, I365_ENA_IO(map)); 448 449 /* dprintk("set_io_map: Setting range to %x - %x\n", 450 io->start, io->stop);*/ 451 452 /* write the new values */ 453 indirect_write16(socket, I365_IO(map)+I365_W_START, io->start); 454 indirect_write16(socket, I365_IO(map)+I365_W_STOP, io->stop); 455 456 ioctl = indirect_read(socket, I365_IOCTL) & ~I365_IOCTL_MASK(map); 457 458 if (io->flags & MAP_0WS) ioctl |= I365_IOCTL_0WS(map); 459 if (io->flags & MAP_16BIT) ioctl |= I365_IOCTL_16BIT(map); 460 if (io->flags & MAP_AUTOSZ) ioctl |= I365_IOCTL_IOCS16(map); 461 462 indirect_write(socket, I365_IOCTL, ioctl); 463 464 /* Turn the window back on if needed */ 465 if (io->flags & MAP_ACTIVE) 466 indirect_setbit(socket, I365_ADDRWIN, I365_ENA_IO(map)); 467 468 return 0; 469 } 470 471 static int pd6729_set_mem_map(struct pcmcia_socket *sock, 472 struct pccard_mem_map *mem) 473 { 474 struct pd6729_socket *socket 475 = container_of(sock, struct pd6729_socket, socket); 476 unsigned short base, i; 477 unsigned char map; 478 479 map = mem->map; 480 if (map > 4) { 481 printk("pd6729_set_mem_map: invalid map"); 482 return -EINVAL; 483 } 484 485 if ((mem->res->start > mem->res->end) || (mem->speed > 1000)) { 486 printk("pd6729_set_mem_map: invalid address / speed"); 487 return -EINVAL; 488 } 489 490 /* Turn off the window before changing anything */ 491 if (indirect_read(socket, I365_ADDRWIN) & I365_ENA_MEM(map)) 492 indirect_resetbit(socket, I365_ADDRWIN, I365_ENA_MEM(map)); 493 494 /* write the start address */ 495 base = I365_MEM(map); 496 i = (mem->res->start >> 12) & 0x0fff; 497 if (mem->flags & MAP_16BIT) 498 i |= I365_MEM_16BIT; 499 if (mem->flags & MAP_0WS) 500 i |= I365_MEM_0WS; 501 indirect_write16(socket, base + I365_W_START, i); 502 503 /* write the stop address */ 504 505 i= (mem->res->end >> 12) & 0x0fff; 506 switch (to_cycles(mem->speed)) { 507 case 0: 508 break; 509 case 1: 510 i |= I365_MEM_WS0; 511 break; 512 case 2: 513 i |= I365_MEM_WS1; 514 break; 515 default: 516 i |= I365_MEM_WS1 | I365_MEM_WS0; 517 break; 518 } 519 520 indirect_write16(socket, base + I365_W_STOP, i); 521 522 /* Take care of high byte */ 523 indirect_write(socket, PD67_EXT_INDEX, PD67_MEM_PAGE(map)); 524 indirect_write(socket, PD67_EXT_DATA, mem->res->start >> 24); 525 526 /* card start */ 527 528 i = ((mem->card_start - mem->res->start) >> 12) & 0x3fff; 529 if (mem->flags & MAP_WRPROT) 530 i |= I365_MEM_WRPROT; 531 if (mem->flags & MAP_ATTRIB) { 532 /* dprintk("requesting attribute memory for socket %i\n", 533 socket->number);*/ 534 i |= I365_MEM_REG; 535 } else { 536 /* dprintk("requesting normal memory for socket %i\n", 537 socket->number);*/ 538 } 539 indirect_write16(socket, base + I365_W_OFF, i); 540 541 /* Enable the window if necessary */ 542 if (mem->flags & MAP_ACTIVE) 543 indirect_setbit(socket, I365_ADDRWIN, I365_ENA_MEM(map)); 544 545 return 0; 546 } 547 548 static int pd6729_init(struct pcmcia_socket *sock) 549 { 550 int i; 551 struct resource res = { .end = 0x0fff }; 552 pccard_io_map io = { 0, 0, 0, 0, 1 }; 553 pccard_mem_map mem = { .res = &res, }; 554 555 pd6729_set_socket(sock, &dead_socket); 556 for (i = 0; i < 2; i++) { 557 io.map = i; 558 pd6729_set_io_map(sock, &io); 559 } 560 for (i = 0; i < 5; i++) { 561 mem.map = i; 562 pd6729_set_mem_map(sock, &mem); 563 } 564 565 return 0; 566 } 567 568 569 /* the pccard structure and its functions */ 570 static struct pccard_operations pd6729_operations = { 571 .init = pd6729_init, 572 .get_status = pd6729_get_status, 573 .set_socket = pd6729_set_socket, 574 .set_io_map = pd6729_set_io_map, 575 .set_mem_map = pd6729_set_mem_map, 576 }; 577 578 static irqreturn_t pd6729_test(int irq, void *dev) 579 { 580 dprintk("-> hit on irq %d\n", irq); 581 return IRQ_HANDLED; 582 } 583 584 static int pd6729_check_irq(int irq) 585 { 586 if (request_irq(irq, pd6729_test, IRQF_PROBE_SHARED, "x", pd6729_test) 587 != 0) return -1; 588 free_irq(irq, pd6729_test); 589 return 0; 590 } 591 592 static u_int __devinit pd6729_isa_scan(void) 593 { 594 u_int mask0, mask = 0; 595 int i; 596 597 if (irq_mode == 1) { 598 printk(KERN_INFO "pd6729: PCI card interrupts, " 599 "PCI status changes\n"); 600 return 0; 601 } 602 603 if (irq_list_count == 0) 604 mask0 = 0xffff; 605 else 606 for (i = mask0 = 0; i < irq_list_count; i++) 607 mask0 |= (1<<irq_list[i]); 608 609 mask0 &= PD67_MASK; 610 611 /* just find interrupts that aren't in use */ 612 for (i = 0; i < 16; i++) 613 if ((mask0 & (1 << i)) && (pd6729_check_irq(i) == 0)) 614 mask |= (1 << i); 615 616 printk(KERN_INFO "pd6729: ISA irqs = "); 617 for (i = 0; i < 16; i++) 618 if (mask & (1<<i)) 619 printk("%s%d", ((mask & ((1<<i)-1)) ? "," : ""), i); 620 621 if (mask == 0) printk("none!"); 622 623 printk(" polling status changes.\n"); 624 625 return mask; 626 } 627 628 static int __devinit pd6729_pci_probe(struct pci_dev *dev, 629 const struct pci_device_id *id) 630 { 631 int i, j, ret; 632 u_int mask; 633 char configbyte; 634 struct pd6729_socket *socket; 635 636 socket = kzalloc(sizeof(struct pd6729_socket) * MAX_SOCKETS, 637 GFP_KERNEL); 638 if (!socket) 639 return -ENOMEM; 640 641 if ((ret = pci_enable_device(dev))) 642 goto err_out_free_mem; 643 644 printk(KERN_INFO "pd6729: Cirrus PD6729 PCI to PCMCIA Bridge " 645 "at 0x%llx on irq %d\n", 646 (unsigned long long)pci_resource_start(dev, 0), dev->irq); 647 /* 648 * Since we have no memory BARs some firmware may not 649 * have had PCI_COMMAND_MEMORY enabled, yet the device needs it. 650 */ 651 pci_read_config_byte(dev, PCI_COMMAND, &configbyte); 652 if (!(configbyte & PCI_COMMAND_MEMORY)) { 653 printk(KERN_DEBUG "pd6729: Enabling PCI_COMMAND_MEMORY.\n"); 654 configbyte |= PCI_COMMAND_MEMORY; 655 pci_write_config_byte(dev, PCI_COMMAND, configbyte); 656 } 657 658 ret = pci_request_regions(dev, "pd6729"); 659 if (ret) { 660 printk(KERN_INFO "pd6729: pci request region failed.\n"); 661 goto err_out_disable; 662 } 663 664 if (dev->irq == NO_IRQ) 665 irq_mode = 0; /* fall back to ISA interrupt mode */ 666 667 mask = pd6729_isa_scan(); 668 if (irq_mode == 0 && mask == 0) { 669 printk(KERN_INFO "pd6729: no ISA interrupt is available.\n"); 670 goto err_out_free_res; 671 } 672 673 for (i = 0; i < MAX_SOCKETS; i++) { 674 socket[i].io_base = pci_resource_start(dev, 0); 675 socket[i].socket.features |= SS_CAP_PAGE_REGS | SS_CAP_PCCARD; 676 socket[i].socket.map_size = 0x1000; 677 socket[i].socket.irq_mask = mask; 678 socket[i].socket.pci_irq = dev->irq; 679 socket[i].socket.owner = THIS_MODULE; 680 681 socket[i].number = i; 682 683 socket[i].socket.ops = &pd6729_operations; 684 socket[i].socket.resource_ops = &pccard_nonstatic_ops; 685 socket[i].socket.dev.parent = &dev->dev; 686 socket[i].socket.driver_data = &socket[i]; 687 } 688 689 pci_set_drvdata(dev, socket); 690 if (irq_mode == 1) { 691 /* Register the interrupt handler */ 692 if ((ret = request_irq(dev->irq, pd6729_interrupt, IRQF_SHARED, 693 "pd6729", socket))) { 694 printk(KERN_ERR "pd6729: Failed to register irq %d, " 695 "aborting\n", dev->irq); 696 goto err_out_free_res; 697 } 698 } else { 699 /* poll Card status change */ 700 init_timer(&socket->poll_timer); 701 socket->poll_timer.function = pd6729_interrupt_wrapper; 702 socket->poll_timer.data = (unsigned long)socket; 703 socket->poll_timer.expires = jiffies + HZ; 704 add_timer(&socket->poll_timer); 705 } 706 707 for (i = 0; i < MAX_SOCKETS; i++) { 708 ret = pcmcia_register_socket(&socket[i].socket); 709 if (ret) { 710 printk(KERN_INFO "pd6729: pcmcia_register_socket " 711 "failed.\n"); 712 for (j = 0; j < i ; j++) 713 pcmcia_unregister_socket(&socket[j].socket); 714 goto err_out_free_res2; 715 } 716 } 717 718 return 0; 719 720 err_out_free_res2: 721 if (irq_mode == 1) 722 free_irq(dev->irq, socket); 723 else 724 del_timer_sync(&socket->poll_timer); 725 err_out_free_res: 726 pci_release_regions(dev); 727 err_out_disable: 728 pci_disable_device(dev); 729 730 err_out_free_mem: 731 kfree(socket); 732 return ret; 733 } 734 735 static void __devexit pd6729_pci_remove(struct pci_dev *dev) 736 { 737 int i; 738 struct pd6729_socket *socket = pci_get_drvdata(dev); 739 740 for (i = 0; i < MAX_SOCKETS; i++) { 741 /* Turn off all interrupt sources */ 742 indirect_write(&socket[i], I365_CSCINT, 0); 743 indirect_write(&socket[i], I365_INTCTL, 0); 744 745 pcmcia_unregister_socket(&socket[i].socket); 746 } 747 748 if (irq_mode == 1) 749 free_irq(dev->irq, socket); 750 else 751 del_timer_sync(&socket->poll_timer); 752 pci_release_regions(dev); 753 pci_disable_device(dev); 754 755 kfree(socket); 756 } 757 758 #ifdef CONFIG_PM 759 static int pd6729_socket_suspend(struct pci_dev *dev, pm_message_t state) 760 { 761 return pcmcia_socket_dev_suspend(&dev->dev, state); 762 } 763 764 static int pd6729_socket_resume(struct pci_dev *dev) 765 { 766 return pcmcia_socket_dev_resume(&dev->dev); 767 } 768 #endif 769 770 static struct pci_device_id pd6729_pci_ids[] = { 771 { 772 .vendor = PCI_VENDOR_ID_CIRRUS, 773 .device = PCI_DEVICE_ID_CIRRUS_6729, 774 .subvendor = PCI_ANY_ID, 775 .subdevice = PCI_ANY_ID, 776 }, 777 { } 778 }; 779 MODULE_DEVICE_TABLE(pci, pd6729_pci_ids); 780 781 static struct pci_driver pd6729_pci_drv = { 782 .name = "pd6729", 783 .id_table = pd6729_pci_ids, 784 .probe = pd6729_pci_probe, 785 .remove = __devexit_p(pd6729_pci_remove), 786 #ifdef CONFIG_PM 787 .suspend = pd6729_socket_suspend, 788 .resume = pd6729_socket_resume, 789 #endif 790 }; 791 792 static int pd6729_module_init(void) 793 { 794 return pci_register_driver(&pd6729_pci_drv); 795 } 796 797 static void pd6729_module_exit(void) 798 { 799 pci_unregister_driver(&pd6729_pci_drv); 800 } 801 802 module_init(pd6729_module_init); 803 module_exit(pd6729_module_exit); 804