1 /* 2 * Regular cardbus driver ("yenta_socket") 3 * 4 * (C) Copyright 1999, 2000 Linus Torvalds 5 * 6 * Changelog: 7 * Aug 2002: Manfred Spraul <manfred@colorfullife.com> 8 * Dynamically adjust the size of the bridge resource 9 * 10 * May 2003: Dominik Brodowski <linux@brodo.de> 11 * Merge pci_socket.c and yenta.c into one file 12 */ 13 #include <linux/init.h> 14 #include <linux/pci.h> 15 #include <linux/sched.h> 16 #include <linux/workqueue.h> 17 #include <linux/interrupt.h> 18 #include <linux/delay.h> 19 #include <linux/module.h> 20 21 #include <pcmcia/cs_types.h> 22 #include <pcmcia/ss.h> 23 #include <pcmcia/cs.h> 24 25 #include <asm/io.h> 26 27 #include "yenta_socket.h" 28 #include "i82365.h" 29 30 static int disable_clkrun; 31 module_param(disable_clkrun, bool, 0444); 32 MODULE_PARM_DESC(disable_clkrun, "If PC card doesn't function properly, please try this option"); 33 34 static int isa_probe = 1; 35 module_param(isa_probe, bool, 0444); 36 MODULE_PARM_DESC(isa_probe, "If set ISA interrupts are probed (default). Set to N to disable probing"); 37 38 static int pwr_irqs_off; 39 module_param(pwr_irqs_off, bool, 0644); 40 MODULE_PARM_DESC(pwr_irqs_off, "Force IRQs off during power-on of slot. Use only when seeing IRQ storms!"); 41 42 #if 0 43 #define debug(x,args...) printk(KERN_DEBUG "%s: " x, __func__ , ##args) 44 #else 45 #define debug(x,args...) 46 #endif 47 48 /* Don't ask.. */ 49 #define to_cycles(ns) ((ns)/120) 50 #define to_ns(cycles) ((cycles)*120) 51 52 static int yenta_probe_cb_irq(struct yenta_socket *socket); 53 54 55 static unsigned int override_bios; 56 module_param(override_bios, uint, 0000); 57 MODULE_PARM_DESC (override_bios, "yenta ignore bios resource allocation"); 58 59 /* 60 * Generate easy-to-use ways of reading a cardbus sockets 61 * regular memory space ("cb_xxx"), configuration space 62 * ("config_xxx") and compatibility space ("exca_xxxx") 63 */ 64 static inline u32 cb_readl(struct yenta_socket *socket, unsigned reg) 65 { 66 u32 val = readl(socket->base + reg); 67 debug("%p %04x %08x\n", socket, reg, val); 68 return val; 69 } 70 71 static inline void cb_writel(struct yenta_socket *socket, unsigned reg, u32 val) 72 { 73 debug("%p %04x %08x\n", socket, reg, val); 74 writel(val, socket->base + reg); 75 } 76 77 static inline u8 config_readb(struct yenta_socket *socket, unsigned offset) 78 { 79 u8 val; 80 pci_read_config_byte(socket->dev, offset, &val); 81 debug("%p %04x %02x\n", socket, offset, val); 82 return val; 83 } 84 85 static inline u16 config_readw(struct yenta_socket *socket, unsigned offset) 86 { 87 u16 val; 88 pci_read_config_word(socket->dev, offset, &val); 89 debug("%p %04x %04x\n", socket, offset, val); 90 return val; 91 } 92 93 static inline u32 config_readl(struct yenta_socket *socket, unsigned offset) 94 { 95 u32 val; 96 pci_read_config_dword(socket->dev, offset, &val); 97 debug("%p %04x %08x\n", socket, offset, val); 98 return val; 99 } 100 101 static inline void config_writeb(struct yenta_socket *socket, unsigned offset, u8 val) 102 { 103 debug("%p %04x %02x\n", socket, offset, val); 104 pci_write_config_byte(socket->dev, offset, val); 105 } 106 107 static inline void config_writew(struct yenta_socket *socket, unsigned offset, u16 val) 108 { 109 debug("%p %04x %04x\n", socket, offset, val); 110 pci_write_config_word(socket->dev, offset, val); 111 } 112 113 static inline void config_writel(struct yenta_socket *socket, unsigned offset, u32 val) 114 { 115 debug("%p %04x %08x\n", socket, offset, val); 116 pci_write_config_dword(socket->dev, offset, val); 117 } 118 119 static inline u8 exca_readb(struct yenta_socket *socket, unsigned reg) 120 { 121 u8 val = readb(socket->base + 0x800 + reg); 122 debug("%p %04x %02x\n", socket, reg, val); 123 return val; 124 } 125 126 static inline u8 exca_readw(struct yenta_socket *socket, unsigned reg) 127 { 128 u16 val; 129 val = readb(socket->base + 0x800 + reg); 130 val |= readb(socket->base + 0x800 + reg + 1) << 8; 131 debug("%p %04x %04x\n", socket, reg, val); 132 return val; 133 } 134 135 static inline void exca_writeb(struct yenta_socket *socket, unsigned reg, u8 val) 136 { 137 debug("%p %04x %02x\n", socket, reg, val); 138 writeb(val, socket->base + 0x800 + reg); 139 } 140 141 static void exca_writew(struct yenta_socket *socket, unsigned reg, u16 val) 142 { 143 debug("%p %04x %04x\n", socket, reg, val); 144 writeb(val, socket->base + 0x800 + reg); 145 writeb(val >> 8, socket->base + 0x800 + reg + 1); 146 } 147 148 /* 149 * Ugh, mixed-mode cardbus and 16-bit pccard state: things depend 150 * on what kind of card is inserted.. 151 */ 152 static int yenta_get_status(struct pcmcia_socket *sock, unsigned int *value) 153 { 154 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); 155 unsigned int val; 156 u32 state = cb_readl(socket, CB_SOCKET_STATE); 157 158 val = (state & CB_3VCARD) ? SS_3VCARD : 0; 159 val |= (state & CB_XVCARD) ? SS_XVCARD : 0; 160 val |= (state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ? 0 : SS_PENDING; 161 val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? SS_PENDING : 0; 162 163 164 if (state & CB_CBCARD) { 165 val |= SS_CARDBUS; 166 val |= (state & CB_CARDSTS) ? SS_STSCHG : 0; 167 val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? 0 : SS_DETECT; 168 val |= (state & CB_PWRCYCLE) ? SS_POWERON | SS_READY : 0; 169 } else if (state & CB_16BITCARD) { 170 u8 status = exca_readb(socket, I365_STATUS); 171 val |= ((status & I365_CS_DETECT) == I365_CS_DETECT) ? SS_DETECT : 0; 172 if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) { 173 val |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG; 174 } else { 175 val |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD; 176 val |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN; 177 } 178 val |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0; 179 val |= (status & I365_CS_READY) ? SS_READY : 0; 180 val |= (status & I365_CS_POWERON) ? SS_POWERON : 0; 181 } 182 183 *value = val; 184 return 0; 185 } 186 187 static int yenta_Vcc_power(u32 control) 188 { 189 switch (control & CB_SC_VCC_MASK) { 190 case CB_SC_VCC_5V: return 50; 191 case CB_SC_VCC_3V: return 33; 192 default: return 0; 193 } 194 } 195 196 static int yenta_Vpp_power(u32 control) 197 { 198 switch (control & CB_SC_VPP_MASK) { 199 case CB_SC_VPP_12V: return 120; 200 case CB_SC_VPP_5V: return 50; 201 case CB_SC_VPP_3V: return 33; 202 default: return 0; 203 } 204 } 205 206 static int yenta_get_socket(struct pcmcia_socket *sock, socket_state_t *state) 207 { 208 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); 209 u8 reg; 210 u32 control; 211 212 control = cb_readl(socket, CB_SOCKET_CONTROL); 213 214 state->Vcc = yenta_Vcc_power(control); 215 state->Vpp = yenta_Vpp_power(control); 216 state->io_irq = socket->io_irq; 217 218 if (cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) { 219 u16 bridge = config_readw(socket, CB_BRIDGE_CONTROL); 220 if (bridge & CB_BRIDGE_CRST) 221 state->flags |= SS_RESET; 222 return 0; 223 } 224 225 /* 16-bit card state.. */ 226 reg = exca_readb(socket, I365_POWER); 227 state->flags = (reg & I365_PWR_AUTO) ? SS_PWR_AUTO : 0; 228 state->flags |= (reg & I365_PWR_OUT) ? SS_OUTPUT_ENA : 0; 229 230 reg = exca_readb(socket, I365_INTCTL); 231 state->flags |= (reg & I365_PC_RESET) ? 0 : SS_RESET; 232 state->flags |= (reg & I365_PC_IOCARD) ? SS_IOCARD : 0; 233 234 reg = exca_readb(socket, I365_CSCINT); 235 state->csc_mask = (reg & I365_CSC_DETECT) ? SS_DETECT : 0; 236 if (state->flags & SS_IOCARD) { 237 state->csc_mask |= (reg & I365_CSC_STSCHG) ? SS_STSCHG : 0; 238 } else { 239 state->csc_mask |= (reg & I365_CSC_BVD1) ? SS_BATDEAD : 0; 240 state->csc_mask |= (reg & I365_CSC_BVD2) ? SS_BATWARN : 0; 241 state->csc_mask |= (reg & I365_CSC_READY) ? SS_READY : 0; 242 } 243 244 return 0; 245 } 246 247 static void yenta_set_power(struct yenta_socket *socket, socket_state_t *state) 248 { 249 u32 reg = 0; /* CB_SC_STPCLK? */ 250 switch (state->Vcc) { 251 case 33: reg = CB_SC_VCC_3V; break; 252 case 50: reg = CB_SC_VCC_5V; break; 253 default: reg = 0; break; 254 } 255 switch (state->Vpp) { 256 case 33: reg |= CB_SC_VPP_3V; break; 257 case 50: reg |= CB_SC_VPP_5V; break; 258 case 120: reg |= CB_SC_VPP_12V; break; 259 } 260 if (reg != cb_readl(socket, CB_SOCKET_CONTROL)) 261 cb_writel(socket, CB_SOCKET_CONTROL, reg); 262 } 263 264 static int yenta_set_socket(struct pcmcia_socket *sock, socket_state_t *state) 265 { 266 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); 267 u16 bridge; 268 269 yenta_set_power(socket, state); 270 socket->io_irq = state->io_irq; 271 bridge = config_readw(socket, CB_BRIDGE_CONTROL) & ~(CB_BRIDGE_CRST | CB_BRIDGE_INTR); 272 if (cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) { 273 u8 intr; 274 bridge |= (state->flags & SS_RESET) ? CB_BRIDGE_CRST : 0; 275 276 /* ISA interrupt control? */ 277 intr = exca_readb(socket, I365_INTCTL); 278 intr = (intr & ~0xf); 279 if (!socket->cb_irq) { 280 intr |= state->io_irq; 281 bridge |= CB_BRIDGE_INTR; 282 } 283 exca_writeb(socket, I365_INTCTL, intr); 284 } else { 285 u8 reg; 286 287 reg = exca_readb(socket, I365_INTCTL) & (I365_RING_ENA | I365_INTR_ENA); 288 reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET; 289 reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0; 290 if (state->io_irq != socket->cb_irq) { 291 reg |= state->io_irq; 292 bridge |= CB_BRIDGE_INTR; 293 } 294 exca_writeb(socket, I365_INTCTL, reg); 295 296 reg = exca_readb(socket, I365_POWER) & (I365_VCC_MASK|I365_VPP1_MASK); 297 reg |= I365_PWR_NORESET; 298 if (state->flags & SS_PWR_AUTO) reg |= I365_PWR_AUTO; 299 if (state->flags & SS_OUTPUT_ENA) reg |= I365_PWR_OUT; 300 if (exca_readb(socket, I365_POWER) != reg) 301 exca_writeb(socket, I365_POWER, reg); 302 303 /* CSC interrupt: no ISA irq for CSC */ 304 reg = I365_CSC_DETECT; 305 if (state->flags & SS_IOCARD) { 306 if (state->csc_mask & SS_STSCHG) reg |= I365_CSC_STSCHG; 307 } else { 308 if (state->csc_mask & SS_BATDEAD) reg |= I365_CSC_BVD1; 309 if (state->csc_mask & SS_BATWARN) reg |= I365_CSC_BVD2; 310 if (state->csc_mask & SS_READY) reg |= I365_CSC_READY; 311 } 312 exca_writeb(socket, I365_CSCINT, reg); 313 exca_readb(socket, I365_CSC); 314 if(sock->zoom_video) 315 sock->zoom_video(sock, state->flags & SS_ZVCARD); 316 } 317 config_writew(socket, CB_BRIDGE_CONTROL, bridge); 318 /* Socket event mask: get card insert/remove events.. */ 319 cb_writel(socket, CB_SOCKET_EVENT, -1); 320 cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK); 321 return 0; 322 } 323 324 static int yenta_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io) 325 { 326 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); 327 int map; 328 unsigned char ioctl, addr, enable; 329 330 map = io->map; 331 332 if (map > 1) 333 return -EINVAL; 334 335 enable = I365_ENA_IO(map); 336 addr = exca_readb(socket, I365_ADDRWIN); 337 338 /* Disable the window before changing it.. */ 339 if (addr & enable) { 340 addr &= ~enable; 341 exca_writeb(socket, I365_ADDRWIN, addr); 342 } 343 344 exca_writew(socket, I365_IO(map)+I365_W_START, io->start); 345 exca_writew(socket, I365_IO(map)+I365_W_STOP, io->stop); 346 347 ioctl = exca_readb(socket, I365_IOCTL) & ~I365_IOCTL_MASK(map); 348 if (io->flags & MAP_0WS) ioctl |= I365_IOCTL_0WS(map); 349 if (io->flags & MAP_16BIT) ioctl |= I365_IOCTL_16BIT(map); 350 if (io->flags & MAP_AUTOSZ) ioctl |= I365_IOCTL_IOCS16(map); 351 exca_writeb(socket, I365_IOCTL, ioctl); 352 353 if (io->flags & MAP_ACTIVE) 354 exca_writeb(socket, I365_ADDRWIN, addr | enable); 355 return 0; 356 } 357 358 static int yenta_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem) 359 { 360 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); 361 struct pci_bus_region region; 362 int map; 363 unsigned char addr, enable; 364 unsigned int start, stop, card_start; 365 unsigned short word; 366 367 pcibios_resource_to_bus(socket->dev, ®ion, mem->res); 368 369 map = mem->map; 370 start = region.start; 371 stop = region.end; 372 card_start = mem->card_start; 373 374 if (map > 4 || start > stop || ((start ^ stop) >> 24) || 375 (card_start >> 26) || mem->speed > 1000) 376 return -EINVAL; 377 378 enable = I365_ENA_MEM(map); 379 addr = exca_readb(socket, I365_ADDRWIN); 380 if (addr & enable) { 381 addr &= ~enable; 382 exca_writeb(socket, I365_ADDRWIN, addr); 383 } 384 385 exca_writeb(socket, CB_MEM_PAGE(map), start >> 24); 386 387 word = (start >> 12) & 0x0fff; 388 if (mem->flags & MAP_16BIT) 389 word |= I365_MEM_16BIT; 390 if (mem->flags & MAP_0WS) 391 word |= I365_MEM_0WS; 392 exca_writew(socket, I365_MEM(map) + I365_W_START, word); 393 394 word = (stop >> 12) & 0x0fff; 395 switch (to_cycles(mem->speed)) { 396 case 0: break; 397 case 1: word |= I365_MEM_WS0; break; 398 case 2: word |= I365_MEM_WS1; break; 399 default: word |= I365_MEM_WS1 | I365_MEM_WS0; break; 400 } 401 exca_writew(socket, I365_MEM(map) + I365_W_STOP, word); 402 403 word = ((card_start - start) >> 12) & 0x3fff; 404 if (mem->flags & MAP_WRPROT) 405 word |= I365_MEM_WRPROT; 406 if (mem->flags & MAP_ATTRIB) 407 word |= I365_MEM_REG; 408 exca_writew(socket, I365_MEM(map) + I365_W_OFF, word); 409 410 if (mem->flags & MAP_ACTIVE) 411 exca_writeb(socket, I365_ADDRWIN, addr | enable); 412 return 0; 413 } 414 415 416 417 static irqreturn_t yenta_interrupt(int irq, void *dev_id, struct pt_regs *regs) 418 { 419 unsigned int events; 420 struct yenta_socket *socket = (struct yenta_socket *) dev_id; 421 u8 csc; 422 u32 cb_event; 423 424 /* Clear interrupt status for the event */ 425 cb_event = cb_readl(socket, CB_SOCKET_EVENT); 426 cb_writel(socket, CB_SOCKET_EVENT, cb_event); 427 428 csc = exca_readb(socket, I365_CSC); 429 430 events = (cb_event & (CB_CD1EVENT | CB_CD2EVENT)) ? SS_DETECT : 0 ; 431 events |= (csc & I365_CSC_DETECT) ? SS_DETECT : 0; 432 if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) { 433 events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0; 434 } else { 435 events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0; 436 events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0; 437 events |= (csc & I365_CSC_READY) ? SS_READY : 0; 438 } 439 440 if (events) 441 pcmcia_parse_events(&socket->socket, events); 442 443 if (cb_event || csc) 444 return IRQ_HANDLED; 445 446 return IRQ_NONE; 447 } 448 449 static void yenta_interrupt_wrapper(unsigned long data) 450 { 451 struct yenta_socket *socket = (struct yenta_socket *) data; 452 453 yenta_interrupt(0, (void *)socket, NULL); 454 socket->poll_timer.expires = jiffies + HZ; 455 add_timer(&socket->poll_timer); 456 } 457 458 static void yenta_clear_maps(struct yenta_socket *socket) 459 { 460 int i; 461 struct resource res = { .start = 0, .end = 0x0fff }; 462 pccard_io_map io = { 0, 0, 0, 0, 1 }; 463 pccard_mem_map mem = { .res = &res, }; 464 465 yenta_set_socket(&socket->socket, &dead_socket); 466 for (i = 0; i < 2; i++) { 467 io.map = i; 468 yenta_set_io_map(&socket->socket, &io); 469 } 470 for (i = 0; i < 5; i++) { 471 mem.map = i; 472 yenta_set_mem_map(&socket->socket, &mem); 473 } 474 } 475 476 /* redoes voltage interrogation if required */ 477 static void yenta_interrogate(struct yenta_socket *socket) 478 { 479 u32 state; 480 481 state = cb_readl(socket, CB_SOCKET_STATE); 482 if (!(state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) || 483 (state & (CB_CDETECT1 | CB_CDETECT2 | CB_NOTACARD | CB_BADVCCREQ)) || 484 ((state & (CB_16BITCARD | CB_CBCARD)) == (CB_16BITCARD | CB_CBCARD))) 485 cb_writel(socket, CB_SOCKET_FORCE, CB_CVSTEST); 486 } 487 488 /* Called at resume and initialization events */ 489 static int yenta_sock_init(struct pcmcia_socket *sock) 490 { 491 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); 492 u16 bridge; 493 494 bridge = config_readw(socket, CB_BRIDGE_CONTROL) & ~CB_BRIDGE_INTR; 495 if (!socket->cb_irq) 496 bridge |= CB_BRIDGE_INTR; 497 config_writew(socket, CB_BRIDGE_CONTROL, bridge); 498 499 exca_writeb(socket, I365_GBLCTL, 0x00); 500 exca_writeb(socket, I365_GENCTL, 0x00); 501 502 /* Redo card voltage interrogation */ 503 yenta_interrogate(socket); 504 505 yenta_clear_maps(socket); 506 507 if (socket->type && socket->type->sock_init) 508 socket->type->sock_init(socket); 509 510 /* Re-enable CSC interrupts */ 511 cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK); 512 513 return 0; 514 } 515 516 static int yenta_sock_suspend(struct pcmcia_socket *sock) 517 { 518 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); 519 520 /* Disable CSC interrupts */ 521 cb_writel(socket, CB_SOCKET_MASK, 0x0); 522 523 return 0; 524 } 525 526 /* 527 * Use an adaptive allocation for the memory resource, 528 * sometimes the memory behind pci bridges is limited: 529 * 1/8 of the size of the io window of the parent. 530 * max 4 MB, min 16 kB. We try very hard to not get below 531 * the "ACC" values, though. 532 */ 533 #define BRIDGE_MEM_MAX 4*1024*1024 534 #define BRIDGE_MEM_ACC 128*1024 535 #define BRIDGE_MEM_MIN 16*1024 536 537 #define BRIDGE_IO_MAX 512 538 #define BRIDGE_IO_ACC 256 539 #define BRIDGE_IO_MIN 32 540 541 #ifndef PCIBIOS_MIN_CARDBUS_IO 542 #define PCIBIOS_MIN_CARDBUS_IO PCIBIOS_MIN_IO 543 #endif 544 545 static int yenta_search_one_res(struct resource *root, struct resource *res, 546 u32 min) 547 { 548 u32 align, size, start, end; 549 550 if (res->flags & IORESOURCE_IO) { 551 align = 1024; 552 size = BRIDGE_IO_MAX; 553 start = PCIBIOS_MIN_CARDBUS_IO; 554 end = ~0U; 555 } else { 556 unsigned long avail = root->end - root->start; 557 int i; 558 size = BRIDGE_MEM_MAX; 559 if (size > avail/8) { 560 size=(avail+1)/8; 561 /* round size down to next power of 2 */ 562 i = 0; 563 while ((size /= 2) != 0) 564 i++; 565 size = 1 << i; 566 } 567 if (size < min) 568 size = min; 569 align = size; 570 start = PCIBIOS_MIN_MEM; 571 end = ~0U; 572 } 573 574 do { 575 if (allocate_resource(root, res, size, start, end, align, 576 NULL, NULL)==0) { 577 return 1; 578 } 579 size = size/2; 580 align = size; 581 } while (size >= min); 582 583 return 0; 584 } 585 586 587 static int yenta_search_res(struct yenta_socket *socket, struct resource *res, 588 u32 min) 589 { 590 int i; 591 for (i=0; i<PCI_BUS_NUM_RESOURCES; i++) { 592 struct resource * root = socket->dev->bus->resource[i]; 593 if (!root) 594 continue; 595 596 if ((res->flags ^ root->flags) & 597 (IORESOURCE_IO | IORESOURCE_MEM | IORESOURCE_PREFETCH)) 598 continue; /* Wrong type */ 599 600 if (yenta_search_one_res(root, res, min)) 601 return 1; 602 } 603 return 0; 604 } 605 606 static void yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type, int addr_start, int addr_end) 607 { 608 struct pci_bus *bus; 609 struct resource *root, *res; 610 u32 start, end; 611 unsigned mask; 612 613 res = socket->dev->resource + PCI_BRIDGE_RESOURCES + nr; 614 /* Already allocated? */ 615 if (res->parent) 616 return; 617 618 /* The granularity of the memory limit is 4kB, on IO it's 4 bytes */ 619 mask = ~0xfff; 620 if (type & IORESOURCE_IO) 621 mask = ~3; 622 623 bus = socket->dev->subordinate; 624 res->name = bus->name; 625 res->flags = type; 626 627 start = config_readl(socket, addr_start) & mask; 628 end = config_readl(socket, addr_end) | ~mask; 629 if (start && end > start && !override_bios) { 630 res->start = start; 631 res->end = end; 632 root = pci_find_parent_resource(socket->dev, res); 633 if (root && (request_resource(root, res) == 0)) 634 return; 635 printk(KERN_INFO "yenta %s: Preassigned resource %d busy or not available, reconfiguring...\n", 636 pci_name(socket->dev), nr); 637 } 638 639 if (type & IORESOURCE_IO) { 640 if ((yenta_search_res(socket, res, BRIDGE_IO_MAX)) || 641 (yenta_search_res(socket, res, BRIDGE_IO_ACC)) || 642 (yenta_search_res(socket, res, BRIDGE_IO_MIN))) { 643 config_writel(socket, addr_start, res->start); 644 config_writel(socket, addr_end, res->end); 645 } 646 } else { 647 if (type & IORESOURCE_PREFETCH) { 648 if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) || 649 (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) || 650 (yenta_search_res(socket, res, BRIDGE_MEM_MIN))) { 651 config_writel(socket, addr_start, res->start); 652 config_writel(socket, addr_end, res->end); 653 } 654 /* Approximating prefetchable by non-prefetchable */ 655 res->flags = IORESOURCE_MEM; 656 } 657 if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) || 658 (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) || 659 (yenta_search_res(socket, res, BRIDGE_MEM_MIN))) { 660 config_writel(socket, addr_start, res->start); 661 config_writel(socket, addr_end, res->end); 662 } 663 } 664 665 printk(KERN_INFO "yenta %s: no resource of type %x available, trying to continue...\n", 666 pci_name(socket->dev), type); 667 res->start = res->end = res->flags = 0; 668 } 669 670 /* 671 * Allocate the bridge mappings for the device.. 672 */ 673 static void yenta_allocate_resources(struct yenta_socket *socket) 674 { 675 yenta_allocate_res(socket, 0, IORESOURCE_IO, 676 PCI_CB_IO_BASE_0, PCI_CB_IO_LIMIT_0); 677 yenta_allocate_res(socket, 1, IORESOURCE_IO, 678 PCI_CB_IO_BASE_1, PCI_CB_IO_LIMIT_1); 679 yenta_allocate_res(socket, 2, IORESOURCE_MEM|IORESOURCE_PREFETCH, 680 PCI_CB_MEMORY_BASE_0, PCI_CB_MEMORY_LIMIT_0); 681 yenta_allocate_res(socket, 3, IORESOURCE_MEM, 682 PCI_CB_MEMORY_BASE_1, PCI_CB_MEMORY_LIMIT_1); 683 } 684 685 686 /* 687 * Free the bridge mappings for the device.. 688 */ 689 static void yenta_free_resources(struct yenta_socket *socket) 690 { 691 int i; 692 for (i=0;i<4;i++) { 693 struct resource *res; 694 res = socket->dev->resource + PCI_BRIDGE_RESOURCES + i; 695 if (res->start != 0 && res->end != 0) 696 release_resource(res); 697 res->start = res->end = 0; 698 } 699 } 700 701 702 /* 703 * Close it down - release our resources and go home.. 704 */ 705 static void yenta_close(struct pci_dev *dev) 706 { 707 struct yenta_socket *sock = pci_get_drvdata(dev); 708 709 /* we don't want a dying socket registered */ 710 pcmcia_unregister_socket(&sock->socket); 711 712 /* Disable all events so we don't die in an IRQ storm */ 713 cb_writel(sock, CB_SOCKET_MASK, 0x0); 714 exca_writeb(sock, I365_CSCINT, 0); 715 716 if (sock->cb_irq) 717 free_irq(sock->cb_irq, sock); 718 else 719 del_timer_sync(&sock->poll_timer); 720 721 if (sock->base) 722 iounmap(sock->base); 723 yenta_free_resources(sock); 724 725 pci_release_regions(dev); 726 pci_disable_device(dev); 727 pci_set_drvdata(dev, NULL); 728 } 729 730 731 static struct pccard_operations yenta_socket_operations = { 732 .init = yenta_sock_init, 733 .suspend = yenta_sock_suspend, 734 .get_status = yenta_get_status, 735 .get_socket = yenta_get_socket, 736 .set_socket = yenta_set_socket, 737 .set_io_map = yenta_set_io_map, 738 .set_mem_map = yenta_set_mem_map, 739 }; 740 741 742 #include "ti113x.h" 743 #include "ricoh.h" 744 #include "topic.h" 745 #include "o2micro.h" 746 747 enum { 748 CARDBUS_TYPE_DEFAULT = -1, 749 CARDBUS_TYPE_TI, 750 CARDBUS_TYPE_TI113X, 751 CARDBUS_TYPE_TI12XX, 752 CARDBUS_TYPE_TI1250, 753 CARDBUS_TYPE_RICOH, 754 CARDBUS_TYPE_TOPIC97, 755 CARDBUS_TYPE_O2MICRO, 756 }; 757 758 /* 759 * Different cardbus controllers have slightly different 760 * initialization sequences etc details. List them here.. 761 */ 762 static struct cardbus_type cardbus_type[] = { 763 [CARDBUS_TYPE_TI] = { 764 .override = ti_override, 765 .save_state = ti_save_state, 766 .restore_state = ti_restore_state, 767 .sock_init = ti_init, 768 }, 769 [CARDBUS_TYPE_TI113X] = { 770 .override = ti113x_override, 771 .save_state = ti_save_state, 772 .restore_state = ti_restore_state, 773 .sock_init = ti_init, 774 }, 775 [CARDBUS_TYPE_TI12XX] = { 776 .override = ti12xx_override, 777 .save_state = ti_save_state, 778 .restore_state = ti_restore_state, 779 .sock_init = ti_init, 780 }, 781 [CARDBUS_TYPE_TI1250] = { 782 .override = ti1250_override, 783 .save_state = ti_save_state, 784 .restore_state = ti_restore_state, 785 .sock_init = ti_init, 786 }, 787 [CARDBUS_TYPE_RICOH] = { 788 .override = ricoh_override, 789 .save_state = ricoh_save_state, 790 .restore_state = ricoh_restore_state, 791 }, 792 [CARDBUS_TYPE_TOPIC97] = { 793 .override = topic97_override, 794 }, 795 [CARDBUS_TYPE_O2MICRO] = { 796 .override = o2micro_override, 797 .restore_state = o2micro_restore_state, 798 }, 799 }; 800 801 802 /* 803 * Only probe "regular" interrupts, don't 804 * touch dangerous spots like the mouse irq, 805 * because there are mice that apparently 806 * get really confused if they get fondled 807 * too intimately. 808 * 809 * Default to 11, 10, 9, 7, 6, 5, 4, 3. 810 */ 811 static u32 isa_interrupts = 0x0ef8; 812 813 static unsigned int yenta_probe_irq(struct yenta_socket *socket, u32 isa_irq_mask) 814 { 815 int i; 816 unsigned long val; 817 u16 bridge_ctrl; 818 u32 mask; 819 820 /* Set up ISA irq routing to probe the ISA irqs.. */ 821 bridge_ctrl = config_readw(socket, CB_BRIDGE_CONTROL); 822 if (!(bridge_ctrl & CB_BRIDGE_INTR)) { 823 bridge_ctrl |= CB_BRIDGE_INTR; 824 config_writew(socket, CB_BRIDGE_CONTROL, bridge_ctrl); 825 } 826 827 /* 828 * Probe for usable interrupts using the force 829 * register to generate bogus card status events. 830 */ 831 cb_writel(socket, CB_SOCKET_EVENT, -1); 832 cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK); 833 exca_writeb(socket, I365_CSCINT, 0); 834 val = probe_irq_on() & isa_irq_mask; 835 for (i = 1; i < 16; i++) { 836 if (!((val >> i) & 1)) 837 continue; 838 exca_writeb(socket, I365_CSCINT, I365_CSC_STSCHG | (i << 4)); 839 cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS); 840 udelay(100); 841 cb_writel(socket, CB_SOCKET_EVENT, -1); 842 } 843 cb_writel(socket, CB_SOCKET_MASK, 0); 844 exca_writeb(socket, I365_CSCINT, 0); 845 846 mask = probe_irq_mask(val) & 0xffff; 847 848 bridge_ctrl &= ~CB_BRIDGE_INTR; 849 config_writew(socket, CB_BRIDGE_CONTROL, bridge_ctrl); 850 851 return mask; 852 } 853 854 855 /* interrupt handler, only used during probing */ 856 static irqreturn_t yenta_probe_handler(int irq, void *dev_id, struct pt_regs *regs) 857 { 858 struct yenta_socket *socket = (struct yenta_socket *) dev_id; 859 u8 csc; 860 u32 cb_event; 861 862 /* Clear interrupt status for the event */ 863 cb_event = cb_readl(socket, CB_SOCKET_EVENT); 864 cb_writel(socket, CB_SOCKET_EVENT, -1); 865 csc = exca_readb(socket, I365_CSC); 866 867 if (cb_event || csc) { 868 socket->probe_status = 1; 869 return IRQ_HANDLED; 870 } 871 872 return IRQ_NONE; 873 } 874 875 /* probes the PCI interrupt, use only on override functions */ 876 static int yenta_probe_cb_irq(struct yenta_socket *socket) 877 { 878 u16 bridge_ctrl; 879 880 if (!socket->cb_irq) 881 return -1; 882 883 socket->probe_status = 0; 884 885 /* disable ISA interrupts */ 886 bridge_ctrl = config_readw(socket, CB_BRIDGE_CONTROL); 887 bridge_ctrl &= ~CB_BRIDGE_INTR; 888 config_writew(socket, CB_BRIDGE_CONTROL, bridge_ctrl); 889 890 if (request_irq(socket->cb_irq, yenta_probe_handler, SA_SHIRQ, "yenta", socket)) { 891 printk(KERN_WARNING "Yenta: request_irq() in yenta_probe_cb_irq() failed!\n"); 892 return -1; 893 } 894 895 /* generate interrupt, wait */ 896 exca_writeb(socket, I365_CSCINT, I365_CSC_STSCHG); 897 cb_writel(socket, CB_SOCKET_EVENT, -1); 898 cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK); 899 cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS); 900 901 msleep(100); 902 903 /* disable interrupts */ 904 cb_writel(socket, CB_SOCKET_MASK, 0); 905 exca_writeb(socket, I365_CSCINT, 0); 906 cb_writel(socket, CB_SOCKET_EVENT, -1); 907 exca_readb(socket, I365_CSC); 908 909 free_irq(socket->cb_irq, socket); 910 911 return (int) socket->probe_status; 912 } 913 914 915 916 /* 917 * Set static data that doesn't need re-initializing.. 918 */ 919 static void yenta_get_socket_capabilities(struct yenta_socket *socket, u32 isa_irq_mask) 920 { 921 socket->socket.pci_irq = socket->cb_irq; 922 if (isa_probe) 923 socket->socket.irq_mask = yenta_probe_irq(socket, isa_irq_mask); 924 else 925 socket->socket.irq_mask = 0; 926 927 printk(KERN_INFO "Yenta: ISA IRQ mask 0x%04x, PCI irq %d\n", 928 socket->socket.irq_mask, socket->cb_irq); 929 } 930 931 /* 932 * Initialize the standard cardbus registers 933 */ 934 static void yenta_config_init(struct yenta_socket *socket) 935 { 936 u16 bridge; 937 struct pci_dev *dev = socket->dev; 938 939 pci_set_power_state(socket->dev, 0); 940 941 config_writel(socket, CB_LEGACY_MODE_BASE, 0); 942 config_writel(socket, PCI_BASE_ADDRESS_0, dev->resource[0].start); 943 config_writew(socket, PCI_COMMAND, 944 PCI_COMMAND_IO | 945 PCI_COMMAND_MEMORY | 946 PCI_COMMAND_MASTER | 947 PCI_COMMAND_WAIT); 948 949 /* MAGIC NUMBERS! Fixme */ 950 config_writeb(socket, PCI_CACHE_LINE_SIZE, L1_CACHE_BYTES / 4); 951 config_writeb(socket, PCI_LATENCY_TIMER, 168); 952 config_writel(socket, PCI_PRIMARY_BUS, 953 (176 << 24) | /* sec. latency timer */ 954 (dev->subordinate->subordinate << 16) | /* subordinate bus */ 955 (dev->subordinate->secondary << 8) | /* secondary bus */ 956 dev->subordinate->primary); /* primary bus */ 957 958 /* 959 * Set up the bridging state: 960 * - enable write posting. 961 * - memory window 0 prefetchable, window 1 non-prefetchable 962 * - PCI interrupts enabled if a PCI interrupt exists.. 963 */ 964 bridge = config_readw(socket, CB_BRIDGE_CONTROL); 965 bridge &= ~(CB_BRIDGE_CRST | CB_BRIDGE_PREFETCH1 | CB_BRIDGE_INTR | CB_BRIDGE_ISAEN | CB_BRIDGE_VGAEN); 966 bridge |= CB_BRIDGE_PREFETCH0 | CB_BRIDGE_POSTEN | CB_BRIDGE_INTR; 967 config_writew(socket, CB_BRIDGE_CONTROL, bridge); 968 } 969 970 /* 971 * Initialize a cardbus controller. Make sure we have a usable 972 * interrupt, and that we can map the cardbus area. Fill in the 973 * socket information structure.. 974 */ 975 static int __devinit yenta_probe (struct pci_dev *dev, const struct pci_device_id *id) 976 { 977 struct yenta_socket *socket; 978 int ret; 979 980 socket = kmalloc(sizeof(struct yenta_socket), GFP_KERNEL); 981 if (!socket) 982 return -ENOMEM; 983 memset(socket, 0, sizeof(*socket)); 984 985 /* prepare pcmcia_socket */ 986 socket->socket.ops = ¥ta_socket_operations; 987 socket->socket.resource_ops = &pccard_nonstatic_ops; 988 socket->socket.dev.dev = &dev->dev; 989 socket->socket.driver_data = socket; 990 socket->socket.owner = THIS_MODULE; 991 socket->socket.features = SS_CAP_PAGE_REGS | SS_CAP_PCCARD; 992 socket->socket.map_size = 0x1000; 993 socket->socket.cb_dev = dev; 994 995 /* prepare struct yenta_socket */ 996 socket->dev = dev; 997 pci_set_drvdata(dev, socket); 998 999 /* 1000 * Do some basic sanity checking.. 1001 */ 1002 if (pci_enable_device(dev)) { 1003 ret = -EBUSY; 1004 goto free; 1005 } 1006 1007 ret = pci_request_regions(dev, "yenta_socket"); 1008 if (ret) 1009 goto disable; 1010 1011 if (!pci_resource_start(dev, 0)) { 1012 printk(KERN_ERR "No cardbus resource!\n"); 1013 ret = -ENODEV; 1014 goto release; 1015 } 1016 1017 /* 1018 * Ok, start setup.. Map the cardbus registers, 1019 * and request the IRQ. 1020 */ 1021 socket->base = ioremap(pci_resource_start(dev, 0), 0x1000); 1022 if (!socket->base) { 1023 ret = -ENOMEM; 1024 goto release; 1025 } 1026 1027 /* 1028 * report the subsystem vendor and device for help debugging 1029 * the irq stuff... 1030 */ 1031 printk(KERN_INFO "Yenta: CardBus bridge found at %s [%04x:%04x]\n", 1032 pci_name(dev), dev->subsystem_vendor, dev->subsystem_device); 1033 1034 yenta_config_init(socket); 1035 1036 /* Disable all events */ 1037 cb_writel(socket, CB_SOCKET_MASK, 0x0); 1038 1039 /* Set up the bridge regions.. */ 1040 yenta_allocate_resources(socket); 1041 1042 socket->cb_irq = dev->irq; 1043 1044 /* Do we have special options for the device? */ 1045 if (id->driver_data != CARDBUS_TYPE_DEFAULT && 1046 id->driver_data < ARRAY_SIZE(cardbus_type)) { 1047 socket->type = &cardbus_type[id->driver_data]; 1048 1049 ret = socket->type->override(socket); 1050 if (ret < 0) 1051 goto unmap; 1052 } 1053 1054 /* We must finish initialization here */ 1055 1056 if (!socket->cb_irq || request_irq(socket->cb_irq, yenta_interrupt, SA_SHIRQ, "yenta", socket)) { 1057 /* No IRQ or request_irq failed. Poll */ 1058 socket->cb_irq = 0; /* But zero is a valid IRQ number. */ 1059 init_timer(&socket->poll_timer); 1060 socket->poll_timer.function = yenta_interrupt_wrapper; 1061 socket->poll_timer.data = (unsigned long)socket; 1062 socket->poll_timer.expires = jiffies + HZ; 1063 add_timer(&socket->poll_timer); 1064 printk(KERN_INFO "Yenta: no PCI IRQ, CardBus support disabled for this socket.\n" 1065 KERN_INFO "Yenta: check your BIOS CardBus, BIOS IRQ or ACPI settings.\n"); 1066 } else { 1067 socket->socket.features |= SS_CAP_CARDBUS; 1068 } 1069 1070 /* Figure out what the dang thing can do for the PCMCIA layer... */ 1071 yenta_interrogate(socket); 1072 yenta_get_socket_capabilities(socket, isa_interrupts); 1073 printk(KERN_INFO "Socket status: %08x\n", cb_readl(socket, CB_SOCKET_STATE)); 1074 1075 /* Register it with the pcmcia layer.. */ 1076 ret = pcmcia_register_socket(&socket->socket); 1077 if (ret == 0) 1078 goto out; 1079 1080 unmap: 1081 iounmap(socket->base); 1082 release: 1083 pci_release_regions(dev); 1084 disable: 1085 pci_disable_device(dev); 1086 free: 1087 kfree(socket); 1088 out: 1089 return ret; 1090 } 1091 1092 1093 static int yenta_dev_suspend (struct pci_dev *dev, pm_message_t state) 1094 { 1095 struct yenta_socket *socket = pci_get_drvdata(dev); 1096 int ret; 1097 1098 ret = pcmcia_socket_dev_suspend(&dev->dev, state); 1099 1100 if (socket) { 1101 if (socket->type && socket->type->save_state) 1102 socket->type->save_state(socket); 1103 1104 /* FIXME: pci_save_state needs to have a better interface */ 1105 pci_save_state(dev); 1106 pci_read_config_dword(dev, 16*4, &socket->saved_state[0]); 1107 pci_read_config_dword(dev, 17*4, &socket->saved_state[1]); 1108 pci_disable_device(dev); 1109 1110 /* 1111 * Some laptops (IBM T22) do not like us putting the Cardbus 1112 * bridge into D3. At a guess, some other laptop will 1113 * probably require this, so leave it commented out for now. 1114 */ 1115 /* pci_set_power_state(dev, 3); */ 1116 } 1117 1118 return ret; 1119 } 1120 1121 1122 static int yenta_dev_resume (struct pci_dev *dev) 1123 { 1124 struct yenta_socket *socket = pci_get_drvdata(dev); 1125 1126 if (socket) { 1127 pci_set_power_state(dev, 0); 1128 /* FIXME: pci_restore_state needs to have a better interface */ 1129 pci_restore_state(dev); 1130 pci_write_config_dword(dev, 16*4, socket->saved_state[0]); 1131 pci_write_config_dword(dev, 17*4, socket->saved_state[1]); 1132 pci_enable_device(dev); 1133 pci_set_master(dev); 1134 1135 if (socket->type && socket->type->restore_state) 1136 socket->type->restore_state(socket); 1137 } 1138 1139 return pcmcia_socket_dev_resume(&dev->dev); 1140 } 1141 1142 1143 #define CB_ID(vend,dev,type) \ 1144 { \ 1145 .vendor = vend, \ 1146 .device = dev, \ 1147 .subvendor = PCI_ANY_ID, \ 1148 .subdevice = PCI_ANY_ID, \ 1149 .class = PCI_CLASS_BRIDGE_CARDBUS << 8, \ 1150 .class_mask = ~0, \ 1151 .driver_data = CARDBUS_TYPE_##type, \ 1152 } 1153 1154 static struct pci_device_id yenta_table [] = { 1155 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1031, TI), 1156 1157 /* 1158 * TBD: Check if these TI variants can use more 1159 * advanced overrides instead. (I can't get the 1160 * data sheets for these devices. --rmk) 1161 */ 1162 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1210, TI), 1163 1164 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1130, TI113X), 1165 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1131, TI113X), 1166 1167 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1211, TI12XX), 1168 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1220, TI12XX), 1169 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1221, TI12XX), 1170 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1225, TI12XX), 1171 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251A, TI12XX), 1172 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251B, TI12XX), 1173 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1420, TI12XX), 1174 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1450, TI12XX), 1175 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1451A, TI12XX), 1176 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1510, TI12XX), 1177 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1520, TI12XX), 1178 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1620, TI12XX), 1179 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4410, TI12XX), 1180 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4450, TI12XX), 1181 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4451, TI12XX), 1182 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4510, TI12XX), 1183 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4520, TI12XX), 1184 1185 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1250, TI1250), 1186 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1410, TI1250), 1187 1188 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1211, TI12XX), 1189 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1225, TI12XX), 1190 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1410, TI1250), 1191 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1420, TI12XX), 1192 1193 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C465, RICOH), 1194 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C466, RICOH), 1195 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C475, RICOH), 1196 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C476, RICOH), 1197 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C478, RICOH), 1198 1199 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC97, TOPIC97), 1200 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC100, TOPIC97), 1201 1202 CB_ID(PCI_VENDOR_ID_O2, PCI_ANY_ID, O2MICRO), 1203 1204 /* match any cardbus bridge */ 1205 CB_ID(PCI_ANY_ID, PCI_ANY_ID, DEFAULT), 1206 { /* all zeroes */ } 1207 }; 1208 MODULE_DEVICE_TABLE(pci, yenta_table); 1209 1210 1211 static struct pci_driver yenta_cardbus_driver = { 1212 .name = "yenta_cardbus", 1213 .id_table = yenta_table, 1214 .probe = yenta_probe, 1215 .remove = __devexit_p(yenta_close), 1216 .suspend = yenta_dev_suspend, 1217 .resume = yenta_dev_resume, 1218 }; 1219 1220 1221 static int __init yenta_socket_init(void) 1222 { 1223 return pci_register_driver (¥ta_cardbus_driver); 1224 } 1225 1226 1227 static void __exit yenta_socket_exit (void) 1228 { 1229 pci_unregister_driver (¥ta_cardbus_driver); 1230 } 1231 1232 1233 module_init(yenta_socket_init); 1234 module_exit(yenta_socket_exit); 1235 1236 MODULE_LICENSE("GPL"); 1237