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 /** 53 * yenta PCI irq probing. 54 * currently only used in the TI/EnE initialization code 55 */ 56 #ifdef CONFIG_YENTA_TI 57 static int yenta_probe_cb_irq(struct yenta_socket *socket); 58 #endif 59 60 61 static unsigned int override_bios; 62 module_param(override_bios, uint, 0000); 63 MODULE_PARM_DESC (override_bios, "yenta ignore bios resource allocation"); 64 65 /* 66 * Generate easy-to-use ways of reading a cardbus sockets 67 * regular memory space ("cb_xxx"), configuration space 68 * ("config_xxx") and compatibility space ("exca_xxxx") 69 */ 70 static inline u32 cb_readl(struct yenta_socket *socket, unsigned reg) 71 { 72 u32 val = readl(socket->base + reg); 73 debug("%p %04x %08x\n", socket, reg, val); 74 return val; 75 } 76 77 static inline void cb_writel(struct yenta_socket *socket, unsigned reg, u32 val) 78 { 79 debug("%p %04x %08x\n", socket, reg, val); 80 writel(val, socket->base + reg); 81 readl(socket->base + reg); /* avoid problems with PCI write posting */ 82 } 83 84 static inline u8 config_readb(struct yenta_socket *socket, unsigned offset) 85 { 86 u8 val; 87 pci_read_config_byte(socket->dev, offset, &val); 88 debug("%p %04x %02x\n", socket, offset, val); 89 return val; 90 } 91 92 static inline u16 config_readw(struct yenta_socket *socket, unsigned offset) 93 { 94 u16 val; 95 pci_read_config_word(socket->dev, offset, &val); 96 debug("%p %04x %04x\n", socket, offset, val); 97 return val; 98 } 99 100 static inline u32 config_readl(struct yenta_socket *socket, unsigned offset) 101 { 102 u32 val; 103 pci_read_config_dword(socket->dev, offset, &val); 104 debug("%p %04x %08x\n", socket, offset, val); 105 return val; 106 } 107 108 static inline void config_writeb(struct yenta_socket *socket, unsigned offset, u8 val) 109 { 110 debug("%p %04x %02x\n", socket, offset, val); 111 pci_write_config_byte(socket->dev, offset, val); 112 } 113 114 static inline void config_writew(struct yenta_socket *socket, unsigned offset, u16 val) 115 { 116 debug("%p %04x %04x\n", socket, offset, val); 117 pci_write_config_word(socket->dev, offset, val); 118 } 119 120 static inline void config_writel(struct yenta_socket *socket, unsigned offset, u32 val) 121 { 122 debug("%p %04x %08x\n", socket, offset, val); 123 pci_write_config_dword(socket->dev, offset, val); 124 } 125 126 static inline u8 exca_readb(struct yenta_socket *socket, unsigned reg) 127 { 128 u8 val = readb(socket->base + 0x800 + reg); 129 debug("%p %04x %02x\n", socket, reg, val); 130 return val; 131 } 132 133 static inline u8 exca_readw(struct yenta_socket *socket, unsigned reg) 134 { 135 u16 val; 136 val = readb(socket->base + 0x800 + reg); 137 val |= readb(socket->base + 0x800 + reg + 1) << 8; 138 debug("%p %04x %04x\n", socket, reg, val); 139 return val; 140 } 141 142 static inline void exca_writeb(struct yenta_socket *socket, unsigned reg, u8 val) 143 { 144 debug("%p %04x %02x\n", socket, reg, val); 145 writeb(val, socket->base + 0x800 + reg); 146 readb(socket->base + 0x800 + reg); /* PCI write posting... */ 147 } 148 149 static void exca_writew(struct yenta_socket *socket, unsigned reg, u16 val) 150 { 151 debug("%p %04x %04x\n", socket, reg, val); 152 writeb(val, socket->base + 0x800 + reg); 153 writeb(val >> 8, socket->base + 0x800 + reg + 1); 154 155 /* PCI write posting... */ 156 readb(socket->base + 0x800 + reg); 157 readb(socket->base + 0x800 + reg + 1); 158 } 159 160 static ssize_t show_yenta_registers(struct device *yentadev, struct device_attribute *attr, char *buf) 161 { 162 struct pci_dev *dev = to_pci_dev(yentadev); 163 struct yenta_socket *socket = pci_get_drvdata(dev); 164 int offset = 0, i; 165 166 offset = snprintf(buf, PAGE_SIZE, "CB registers:"); 167 for (i = 0; i < 0x24; i += 4) { 168 unsigned val; 169 if (!(i & 15)) 170 offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n%02x:", i); 171 val = cb_readl(socket, i); 172 offset += snprintf(buf + offset, PAGE_SIZE - offset, " %08x", val); 173 } 174 175 offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n\nExCA registers:"); 176 for (i = 0; i < 0x45; i++) { 177 unsigned char val; 178 if (!(i & 7)) { 179 if (i & 8) { 180 memcpy(buf + offset, " -", 2); 181 offset += 2; 182 } else 183 offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n%02x:", i); 184 } 185 val = exca_readb(socket, i); 186 offset += snprintf(buf + offset, PAGE_SIZE - offset, " %02x", val); 187 } 188 buf[offset++] = '\n'; 189 return offset; 190 } 191 192 static DEVICE_ATTR(yenta_registers, S_IRUSR, show_yenta_registers, NULL); 193 194 /* 195 * Ugh, mixed-mode cardbus and 16-bit pccard state: things depend 196 * on what kind of card is inserted.. 197 */ 198 static int yenta_get_status(struct pcmcia_socket *sock, unsigned int *value) 199 { 200 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); 201 unsigned int val; 202 u32 state = cb_readl(socket, CB_SOCKET_STATE); 203 204 val = (state & CB_3VCARD) ? SS_3VCARD : 0; 205 val |= (state & CB_XVCARD) ? SS_XVCARD : 0; 206 val |= (state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ? 0 : SS_PENDING; 207 val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? SS_PENDING : 0; 208 209 210 if (state & CB_CBCARD) { 211 val |= SS_CARDBUS; 212 val |= (state & CB_CARDSTS) ? SS_STSCHG : 0; 213 val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? 0 : SS_DETECT; 214 val |= (state & CB_PWRCYCLE) ? SS_POWERON | SS_READY : 0; 215 } else if (state & CB_16BITCARD) { 216 u8 status = exca_readb(socket, I365_STATUS); 217 val |= ((status & I365_CS_DETECT) == I365_CS_DETECT) ? SS_DETECT : 0; 218 if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) { 219 val |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG; 220 } else { 221 val |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD; 222 val |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN; 223 } 224 val |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0; 225 val |= (status & I365_CS_READY) ? SS_READY : 0; 226 val |= (status & I365_CS_POWERON) ? SS_POWERON : 0; 227 } 228 229 *value = val; 230 return 0; 231 } 232 233 static void yenta_set_power(struct yenta_socket *socket, socket_state_t *state) 234 { 235 /* some birdges require to use the ExCA registers to power 16bit cards */ 236 if (!(cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) && 237 (socket->flags & YENTA_16BIT_POWER_EXCA)) { 238 u8 reg, old; 239 reg = old = exca_readb(socket, I365_POWER); 240 reg &= ~(I365_VCC_MASK | I365_VPP1_MASK | I365_VPP2_MASK); 241 242 /* i82365SL-DF style */ 243 if (socket->flags & YENTA_16BIT_POWER_DF) { 244 switch (state->Vcc) { 245 case 33: reg |= I365_VCC_3V; break; 246 case 50: reg |= I365_VCC_5V; break; 247 default: reg = 0; break; 248 } 249 switch (state->Vpp) { 250 case 33: 251 case 50: reg |= I365_VPP1_5V; break; 252 case 120: reg |= I365_VPP1_12V; break; 253 } 254 } else { 255 /* i82365SL-B style */ 256 switch (state->Vcc) { 257 case 50: reg |= I365_VCC_5V; break; 258 default: reg = 0; break; 259 } 260 switch (state->Vpp) { 261 case 50: reg |= I365_VPP1_5V | I365_VPP2_5V; break; 262 case 120: reg |= I365_VPP1_12V | I365_VPP2_12V; break; 263 } 264 } 265 266 if (reg != old) 267 exca_writeb(socket, I365_POWER, reg); 268 } else { 269 u32 reg = 0; /* CB_SC_STPCLK? */ 270 switch (state->Vcc) { 271 case 33: reg = CB_SC_VCC_3V; break; 272 case 50: reg = CB_SC_VCC_5V; break; 273 default: reg = 0; break; 274 } 275 switch (state->Vpp) { 276 case 33: reg |= CB_SC_VPP_3V; break; 277 case 50: reg |= CB_SC_VPP_5V; break; 278 case 120: reg |= CB_SC_VPP_12V; break; 279 } 280 if (reg != cb_readl(socket, CB_SOCKET_CONTROL)) 281 cb_writel(socket, CB_SOCKET_CONTROL, reg); 282 } 283 } 284 285 static int yenta_set_socket(struct pcmcia_socket *sock, socket_state_t *state) 286 { 287 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); 288 u16 bridge; 289 290 /* if powering down: do it immediately */ 291 if (state->Vcc == 0) 292 yenta_set_power(socket, state); 293 294 socket->io_irq = state->io_irq; 295 bridge = config_readw(socket, CB_BRIDGE_CONTROL) & ~(CB_BRIDGE_CRST | CB_BRIDGE_INTR); 296 if (cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) { 297 u8 intr; 298 bridge |= (state->flags & SS_RESET) ? CB_BRIDGE_CRST : 0; 299 300 /* ISA interrupt control? */ 301 intr = exca_readb(socket, I365_INTCTL); 302 intr = (intr & ~0xf); 303 if (!socket->cb_irq) { 304 intr |= state->io_irq; 305 bridge |= CB_BRIDGE_INTR; 306 } 307 exca_writeb(socket, I365_INTCTL, intr); 308 } else { 309 u8 reg; 310 311 reg = exca_readb(socket, I365_INTCTL) & (I365_RING_ENA | I365_INTR_ENA); 312 reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET; 313 reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0; 314 if (state->io_irq != socket->cb_irq) { 315 reg |= state->io_irq; 316 bridge |= CB_BRIDGE_INTR; 317 } 318 exca_writeb(socket, I365_INTCTL, reg); 319 320 reg = exca_readb(socket, I365_POWER) & (I365_VCC_MASK|I365_VPP1_MASK); 321 reg |= I365_PWR_NORESET; 322 if (state->flags & SS_PWR_AUTO) reg |= I365_PWR_AUTO; 323 if (state->flags & SS_OUTPUT_ENA) reg |= I365_PWR_OUT; 324 if (exca_readb(socket, I365_POWER) != reg) 325 exca_writeb(socket, I365_POWER, reg); 326 327 /* CSC interrupt: no ISA irq for CSC */ 328 reg = I365_CSC_DETECT; 329 if (state->flags & SS_IOCARD) { 330 if (state->csc_mask & SS_STSCHG) reg |= I365_CSC_STSCHG; 331 } else { 332 if (state->csc_mask & SS_BATDEAD) reg |= I365_CSC_BVD1; 333 if (state->csc_mask & SS_BATWARN) reg |= I365_CSC_BVD2; 334 if (state->csc_mask & SS_READY) reg |= I365_CSC_READY; 335 } 336 exca_writeb(socket, I365_CSCINT, reg); 337 exca_readb(socket, I365_CSC); 338 if(sock->zoom_video) 339 sock->zoom_video(sock, state->flags & SS_ZVCARD); 340 } 341 config_writew(socket, CB_BRIDGE_CONTROL, bridge); 342 /* Socket event mask: get card insert/remove events.. */ 343 cb_writel(socket, CB_SOCKET_EVENT, -1); 344 cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK); 345 346 /* if powering up: do it as the last step when the socket is configured */ 347 if (state->Vcc != 0) 348 yenta_set_power(socket, state); 349 return 0; 350 } 351 352 static int yenta_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io) 353 { 354 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); 355 int map; 356 unsigned char ioctl, addr, enable; 357 358 map = io->map; 359 360 if (map > 1) 361 return -EINVAL; 362 363 enable = I365_ENA_IO(map); 364 addr = exca_readb(socket, I365_ADDRWIN); 365 366 /* Disable the window before changing it.. */ 367 if (addr & enable) { 368 addr &= ~enable; 369 exca_writeb(socket, I365_ADDRWIN, addr); 370 } 371 372 exca_writew(socket, I365_IO(map)+I365_W_START, io->start); 373 exca_writew(socket, I365_IO(map)+I365_W_STOP, io->stop); 374 375 ioctl = exca_readb(socket, I365_IOCTL) & ~I365_IOCTL_MASK(map); 376 if (io->flags & MAP_0WS) ioctl |= I365_IOCTL_0WS(map); 377 if (io->flags & MAP_16BIT) ioctl |= I365_IOCTL_16BIT(map); 378 if (io->flags & MAP_AUTOSZ) ioctl |= I365_IOCTL_IOCS16(map); 379 exca_writeb(socket, I365_IOCTL, ioctl); 380 381 if (io->flags & MAP_ACTIVE) 382 exca_writeb(socket, I365_ADDRWIN, addr | enable); 383 return 0; 384 } 385 386 static int yenta_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem) 387 { 388 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); 389 struct pci_bus_region region; 390 int map; 391 unsigned char addr, enable; 392 unsigned int start, stop, card_start; 393 unsigned short word; 394 395 pcibios_resource_to_bus(socket->dev, ®ion, mem->res); 396 397 map = mem->map; 398 start = region.start; 399 stop = region.end; 400 card_start = mem->card_start; 401 402 if (map > 4 || start > stop || ((start ^ stop) >> 24) || 403 (card_start >> 26) || mem->speed > 1000) 404 return -EINVAL; 405 406 enable = I365_ENA_MEM(map); 407 addr = exca_readb(socket, I365_ADDRWIN); 408 if (addr & enable) { 409 addr &= ~enable; 410 exca_writeb(socket, I365_ADDRWIN, addr); 411 } 412 413 exca_writeb(socket, CB_MEM_PAGE(map), start >> 24); 414 415 word = (start >> 12) & 0x0fff; 416 if (mem->flags & MAP_16BIT) 417 word |= I365_MEM_16BIT; 418 if (mem->flags & MAP_0WS) 419 word |= I365_MEM_0WS; 420 exca_writew(socket, I365_MEM(map) + I365_W_START, word); 421 422 word = (stop >> 12) & 0x0fff; 423 switch (to_cycles(mem->speed)) { 424 case 0: break; 425 case 1: word |= I365_MEM_WS0; break; 426 case 2: word |= I365_MEM_WS1; break; 427 default: word |= I365_MEM_WS1 | I365_MEM_WS0; break; 428 } 429 exca_writew(socket, I365_MEM(map) + I365_W_STOP, word); 430 431 word = ((card_start - start) >> 12) & 0x3fff; 432 if (mem->flags & MAP_WRPROT) 433 word |= I365_MEM_WRPROT; 434 if (mem->flags & MAP_ATTRIB) 435 word |= I365_MEM_REG; 436 exca_writew(socket, I365_MEM(map) + I365_W_OFF, word); 437 438 if (mem->flags & MAP_ACTIVE) 439 exca_writeb(socket, I365_ADDRWIN, addr | enable); 440 return 0; 441 } 442 443 444 445 static irqreturn_t yenta_interrupt(int irq, void *dev_id) 446 { 447 unsigned int events; 448 struct yenta_socket *socket = (struct yenta_socket *) dev_id; 449 u8 csc; 450 u32 cb_event; 451 452 /* Clear interrupt status for the event */ 453 cb_event = cb_readl(socket, CB_SOCKET_EVENT); 454 cb_writel(socket, CB_SOCKET_EVENT, cb_event); 455 456 csc = exca_readb(socket, I365_CSC); 457 458 if (!(cb_event || csc)) 459 return IRQ_NONE; 460 461 events = (cb_event & (CB_CD1EVENT | CB_CD2EVENT)) ? SS_DETECT : 0 ; 462 events |= (csc & I365_CSC_DETECT) ? SS_DETECT : 0; 463 if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) { 464 events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0; 465 } else { 466 events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0; 467 events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0; 468 events |= (csc & I365_CSC_READY) ? SS_READY : 0; 469 } 470 471 if (events) 472 pcmcia_parse_events(&socket->socket, events); 473 474 return IRQ_HANDLED; 475 } 476 477 static void yenta_interrupt_wrapper(unsigned long data) 478 { 479 struct yenta_socket *socket = (struct yenta_socket *) data; 480 481 yenta_interrupt(0, (void *)socket); 482 socket->poll_timer.expires = jiffies + HZ; 483 add_timer(&socket->poll_timer); 484 } 485 486 static void yenta_clear_maps(struct yenta_socket *socket) 487 { 488 int i; 489 struct resource res = { .start = 0, .end = 0x0fff }; 490 pccard_io_map io = { 0, 0, 0, 0, 1 }; 491 pccard_mem_map mem = { .res = &res, }; 492 493 yenta_set_socket(&socket->socket, &dead_socket); 494 for (i = 0; i < 2; i++) { 495 io.map = i; 496 yenta_set_io_map(&socket->socket, &io); 497 } 498 for (i = 0; i < 5; i++) { 499 mem.map = i; 500 yenta_set_mem_map(&socket->socket, &mem); 501 } 502 } 503 504 /* redoes voltage interrogation if required */ 505 static void yenta_interrogate(struct yenta_socket *socket) 506 { 507 u32 state; 508 509 state = cb_readl(socket, CB_SOCKET_STATE); 510 if (!(state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) || 511 (state & (CB_CDETECT1 | CB_CDETECT2 | CB_NOTACARD | CB_BADVCCREQ)) || 512 ((state & (CB_16BITCARD | CB_CBCARD)) == (CB_16BITCARD | CB_CBCARD))) 513 cb_writel(socket, CB_SOCKET_FORCE, CB_CVSTEST); 514 } 515 516 /* Called at resume and initialization events */ 517 static int yenta_sock_init(struct pcmcia_socket *sock) 518 { 519 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); 520 521 exca_writeb(socket, I365_GBLCTL, 0x00); 522 exca_writeb(socket, I365_GENCTL, 0x00); 523 524 /* Redo card voltage interrogation */ 525 yenta_interrogate(socket); 526 527 yenta_clear_maps(socket); 528 529 if (socket->type && socket->type->sock_init) 530 socket->type->sock_init(socket); 531 532 /* Re-enable CSC interrupts */ 533 cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK); 534 535 return 0; 536 } 537 538 static int yenta_sock_suspend(struct pcmcia_socket *sock) 539 { 540 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); 541 542 /* Disable CSC interrupts */ 543 cb_writel(socket, CB_SOCKET_MASK, 0x0); 544 545 return 0; 546 } 547 548 /* 549 * Use an adaptive allocation for the memory resource, 550 * sometimes the memory behind pci bridges is limited: 551 * 1/8 of the size of the io window of the parent. 552 * max 4 MB, min 16 kB. We try very hard to not get below 553 * the "ACC" values, though. 554 */ 555 #define BRIDGE_MEM_MAX 4*1024*1024 556 #define BRIDGE_MEM_ACC 128*1024 557 #define BRIDGE_MEM_MIN 16*1024 558 559 #define BRIDGE_IO_MAX 512 560 #define BRIDGE_IO_ACC 256 561 #define BRIDGE_IO_MIN 32 562 563 #ifndef PCIBIOS_MIN_CARDBUS_IO 564 #define PCIBIOS_MIN_CARDBUS_IO PCIBIOS_MIN_IO 565 #endif 566 567 static int yenta_search_one_res(struct resource *root, struct resource *res, 568 u32 min) 569 { 570 u32 align, size, start, end; 571 572 if (res->flags & IORESOURCE_IO) { 573 align = 1024; 574 size = BRIDGE_IO_MAX; 575 start = PCIBIOS_MIN_CARDBUS_IO; 576 end = ~0U; 577 } else { 578 unsigned long avail = root->end - root->start; 579 int i; 580 size = BRIDGE_MEM_MAX; 581 if (size > avail/8) { 582 size=(avail+1)/8; 583 /* round size down to next power of 2 */ 584 i = 0; 585 while ((size /= 2) != 0) 586 i++; 587 size = 1 << i; 588 } 589 if (size < min) 590 size = min; 591 align = size; 592 start = PCIBIOS_MIN_MEM; 593 end = ~0U; 594 } 595 596 do { 597 if (allocate_resource(root, res, size, start, end, align, 598 NULL, NULL)==0) { 599 return 1; 600 } 601 size = size/2; 602 align = size; 603 } while (size >= min); 604 605 return 0; 606 } 607 608 609 static int yenta_search_res(struct yenta_socket *socket, struct resource *res, 610 u32 min) 611 { 612 int i; 613 for (i=0; i<PCI_BUS_NUM_RESOURCES; i++) { 614 struct resource * root = socket->dev->bus->resource[i]; 615 if (!root) 616 continue; 617 618 if ((res->flags ^ root->flags) & 619 (IORESOURCE_IO | IORESOURCE_MEM | IORESOURCE_PREFETCH)) 620 continue; /* Wrong type */ 621 622 if (yenta_search_one_res(root, res, min)) 623 return 1; 624 } 625 return 0; 626 } 627 628 static int yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type, int addr_start, int addr_end) 629 { 630 struct resource *root, *res; 631 struct pci_bus_region region; 632 unsigned mask; 633 634 res = socket->dev->resource + PCI_BRIDGE_RESOURCES + nr; 635 /* Already allocated? */ 636 if (res->parent) 637 return 0; 638 639 /* The granularity of the memory limit is 4kB, on IO it's 4 bytes */ 640 mask = ~0xfff; 641 if (type & IORESOURCE_IO) 642 mask = ~3; 643 644 res->name = socket->dev->subordinate->name; 645 res->flags = type; 646 647 region.start = config_readl(socket, addr_start) & mask; 648 region.end = config_readl(socket, addr_end) | ~mask; 649 if (region.start && region.end > region.start && !override_bios) { 650 pcibios_bus_to_resource(socket->dev, res, ®ion); 651 root = pci_find_parent_resource(socket->dev, res); 652 if (root && (request_resource(root, res) == 0)) 653 return 0; 654 printk(KERN_INFO "yenta %s: Preassigned resource %d busy or not available, reconfiguring...\n", 655 pci_name(socket->dev), nr); 656 } 657 658 if (type & IORESOURCE_IO) { 659 if ((yenta_search_res(socket, res, BRIDGE_IO_MAX)) || 660 (yenta_search_res(socket, res, BRIDGE_IO_ACC)) || 661 (yenta_search_res(socket, res, BRIDGE_IO_MIN))) 662 return 1; 663 } else { 664 if (type & IORESOURCE_PREFETCH) { 665 if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) || 666 (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) || 667 (yenta_search_res(socket, res, BRIDGE_MEM_MIN))) 668 return 1; 669 /* Approximating prefetchable by non-prefetchable */ 670 res->flags = IORESOURCE_MEM; 671 } 672 if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) || 673 (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) || 674 (yenta_search_res(socket, res, BRIDGE_MEM_MIN))) 675 return 1; 676 } 677 678 printk(KERN_INFO "yenta %s: no resource of type %x available, trying to continue...\n", 679 pci_name(socket->dev), type); 680 res->start = res->end = res->flags = 0; 681 return 0; 682 } 683 684 /* 685 * Allocate the bridge mappings for the device.. 686 */ 687 static void yenta_allocate_resources(struct yenta_socket *socket) 688 { 689 int program = 0; 690 program += yenta_allocate_res(socket, 0, IORESOURCE_IO, 691 PCI_CB_IO_BASE_0, PCI_CB_IO_LIMIT_0); 692 program += yenta_allocate_res(socket, 1, IORESOURCE_IO, 693 PCI_CB_IO_BASE_1, PCI_CB_IO_LIMIT_1); 694 program += yenta_allocate_res(socket, 2, IORESOURCE_MEM|IORESOURCE_PREFETCH, 695 PCI_CB_MEMORY_BASE_0, PCI_CB_MEMORY_LIMIT_0); 696 program += yenta_allocate_res(socket, 3, IORESOURCE_MEM, 697 PCI_CB_MEMORY_BASE_1, PCI_CB_MEMORY_LIMIT_1); 698 if (program) 699 pci_setup_cardbus(socket->dev->subordinate); 700 } 701 702 703 /* 704 * Free the bridge mappings for the device.. 705 */ 706 static void yenta_free_resources(struct yenta_socket *socket) 707 { 708 int i; 709 for (i=0;i<4;i++) { 710 struct resource *res; 711 res = socket->dev->resource + PCI_BRIDGE_RESOURCES + i; 712 if (res->start != 0 && res->end != 0) 713 release_resource(res); 714 res->start = res->end = res->flags = 0; 715 } 716 } 717 718 719 /* 720 * Close it down - release our resources and go home.. 721 */ 722 static void yenta_close(struct pci_dev *dev) 723 { 724 struct yenta_socket *sock = pci_get_drvdata(dev); 725 726 /* Remove the register attributes */ 727 device_remove_file(&dev->dev, &dev_attr_yenta_registers); 728 729 /* we don't want a dying socket registered */ 730 pcmcia_unregister_socket(&sock->socket); 731 732 /* Disable all events so we don't die in an IRQ storm */ 733 cb_writel(sock, CB_SOCKET_MASK, 0x0); 734 exca_writeb(sock, I365_CSCINT, 0); 735 736 if (sock->cb_irq) 737 free_irq(sock->cb_irq, sock); 738 else 739 del_timer_sync(&sock->poll_timer); 740 741 if (sock->base) 742 iounmap(sock->base); 743 yenta_free_resources(sock); 744 745 pci_release_regions(dev); 746 pci_disable_device(dev); 747 pci_set_drvdata(dev, NULL); 748 } 749 750 751 static struct pccard_operations yenta_socket_operations = { 752 .init = yenta_sock_init, 753 .suspend = yenta_sock_suspend, 754 .get_status = yenta_get_status, 755 .set_socket = yenta_set_socket, 756 .set_io_map = yenta_set_io_map, 757 .set_mem_map = yenta_set_mem_map, 758 }; 759 760 761 #ifdef CONFIG_YENTA_TI 762 #include "ti113x.h" 763 #endif 764 #ifdef CONFIG_YENTA_RICOH 765 #include "ricoh.h" 766 #endif 767 #ifdef CONFIG_YENTA_TOSHIBA 768 #include "topic.h" 769 #endif 770 #ifdef CONFIG_YENTA_O2 771 #include "o2micro.h" 772 #endif 773 774 enum { 775 CARDBUS_TYPE_DEFAULT = -1, 776 CARDBUS_TYPE_TI, 777 CARDBUS_TYPE_TI113X, 778 CARDBUS_TYPE_TI12XX, 779 CARDBUS_TYPE_TI1250, 780 CARDBUS_TYPE_RICOH, 781 CARDBUS_TYPE_TOPIC95, 782 CARDBUS_TYPE_TOPIC97, 783 CARDBUS_TYPE_O2MICRO, 784 CARDBUS_TYPE_ENE, 785 }; 786 787 /* 788 * Different cardbus controllers have slightly different 789 * initialization sequences etc details. List them here.. 790 */ 791 static struct cardbus_type cardbus_type[] = { 792 #ifdef CONFIG_YENTA_TI 793 [CARDBUS_TYPE_TI] = { 794 .override = ti_override, 795 .save_state = ti_save_state, 796 .restore_state = ti_restore_state, 797 .sock_init = ti_init, 798 }, 799 [CARDBUS_TYPE_TI113X] = { 800 .override = ti113x_override, 801 .save_state = ti_save_state, 802 .restore_state = ti_restore_state, 803 .sock_init = ti_init, 804 }, 805 [CARDBUS_TYPE_TI12XX] = { 806 .override = ti12xx_override, 807 .save_state = ti_save_state, 808 .restore_state = ti_restore_state, 809 .sock_init = ti_init, 810 }, 811 [CARDBUS_TYPE_TI1250] = { 812 .override = ti1250_override, 813 .save_state = ti_save_state, 814 .restore_state = ti_restore_state, 815 .sock_init = ti_init, 816 }, 817 #endif 818 #ifdef CONFIG_YENTA_RICOH 819 [CARDBUS_TYPE_RICOH] = { 820 .override = ricoh_override, 821 .save_state = ricoh_save_state, 822 .restore_state = ricoh_restore_state, 823 }, 824 #endif 825 #ifdef CONFIG_YENTA_TOSHIBA 826 [CARDBUS_TYPE_TOPIC95] = { 827 .override = topic95_override, 828 }, 829 [CARDBUS_TYPE_TOPIC97] = { 830 .override = topic97_override, 831 }, 832 #endif 833 #ifdef CONFIG_YENTA_O2 834 [CARDBUS_TYPE_O2MICRO] = { 835 .override = o2micro_override, 836 .restore_state = o2micro_restore_state, 837 }, 838 #endif 839 #ifdef CONFIG_YENTA_TI 840 [CARDBUS_TYPE_ENE] = { 841 .override = ene_override, 842 .save_state = ti_save_state, 843 .restore_state = ti_restore_state, 844 .sock_init = ti_init, 845 }, 846 #endif 847 }; 848 849 850 /* 851 * Only probe "regular" interrupts, don't 852 * touch dangerous spots like the mouse irq, 853 * because there are mice that apparently 854 * get really confused if they get fondled 855 * too intimately. 856 * 857 * Default to 11, 10, 9, 7, 6, 5, 4, 3. 858 */ 859 static u32 isa_interrupts = 0x0ef8; 860 861 static unsigned int yenta_probe_irq(struct yenta_socket *socket, u32 isa_irq_mask) 862 { 863 int i; 864 unsigned long val; 865 u32 mask; 866 867 /* 868 * Probe for usable interrupts using the force 869 * register to generate bogus card status events. 870 */ 871 cb_writel(socket, CB_SOCKET_EVENT, -1); 872 cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK); 873 exca_writeb(socket, I365_CSCINT, 0); 874 val = probe_irq_on() & isa_irq_mask; 875 for (i = 1; i < 16; i++) { 876 if (!((val >> i) & 1)) 877 continue; 878 exca_writeb(socket, I365_CSCINT, I365_CSC_STSCHG | (i << 4)); 879 cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS); 880 udelay(100); 881 cb_writel(socket, CB_SOCKET_EVENT, -1); 882 } 883 cb_writel(socket, CB_SOCKET_MASK, 0); 884 exca_writeb(socket, I365_CSCINT, 0); 885 886 mask = probe_irq_mask(val) & 0xffff; 887 888 return mask; 889 } 890 891 892 /** 893 * yenta PCI irq probing. 894 * currently only used in the TI/EnE initialization code 895 */ 896 #ifdef CONFIG_YENTA_TI 897 898 /* interrupt handler, only used during probing */ 899 static irqreturn_t yenta_probe_handler(int irq, void *dev_id) 900 { 901 struct yenta_socket *socket = (struct yenta_socket *) dev_id; 902 u8 csc; 903 u32 cb_event; 904 905 /* Clear interrupt status for the event */ 906 cb_event = cb_readl(socket, CB_SOCKET_EVENT); 907 cb_writel(socket, CB_SOCKET_EVENT, -1); 908 csc = exca_readb(socket, I365_CSC); 909 910 if (cb_event || csc) { 911 socket->probe_status = 1; 912 return IRQ_HANDLED; 913 } 914 915 return IRQ_NONE; 916 } 917 918 /* probes the PCI interrupt, use only on override functions */ 919 static int yenta_probe_cb_irq(struct yenta_socket *socket) 920 { 921 if (!socket->cb_irq) 922 return -1; 923 924 socket->probe_status = 0; 925 926 if (request_irq(socket->cb_irq, yenta_probe_handler, IRQF_SHARED, "yenta", socket)) { 927 printk(KERN_WARNING "Yenta: request_irq() in yenta_probe_cb_irq() failed!\n"); 928 return -1; 929 } 930 931 /* generate interrupt, wait */ 932 exca_writeb(socket, I365_CSCINT, I365_CSC_STSCHG); 933 cb_writel(socket, CB_SOCKET_EVENT, -1); 934 cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK); 935 cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS); 936 937 msleep(100); 938 939 /* disable interrupts */ 940 cb_writel(socket, CB_SOCKET_MASK, 0); 941 exca_writeb(socket, I365_CSCINT, 0); 942 cb_writel(socket, CB_SOCKET_EVENT, -1); 943 exca_readb(socket, I365_CSC); 944 945 free_irq(socket->cb_irq, socket); 946 947 return (int) socket->probe_status; 948 } 949 950 #endif /* CONFIG_YENTA_TI */ 951 952 953 /* 954 * Set static data that doesn't need re-initializing.. 955 */ 956 static void yenta_get_socket_capabilities(struct yenta_socket *socket, u32 isa_irq_mask) 957 { 958 socket->socket.pci_irq = socket->cb_irq; 959 if (isa_probe) 960 socket->socket.irq_mask = yenta_probe_irq(socket, isa_irq_mask); 961 else 962 socket->socket.irq_mask = 0; 963 964 printk(KERN_INFO "Yenta: ISA IRQ mask 0x%04x, PCI irq %d\n", 965 socket->socket.irq_mask, socket->cb_irq); 966 } 967 968 /* 969 * Initialize the standard cardbus registers 970 */ 971 static void yenta_config_init(struct yenta_socket *socket) 972 { 973 u16 bridge; 974 struct pci_dev *dev = socket->dev; 975 struct pci_bus_region region; 976 977 pcibios_resource_to_bus(socket->dev, ®ion, &dev->resource[0]); 978 979 config_writel(socket, CB_LEGACY_MODE_BASE, 0); 980 config_writel(socket, PCI_BASE_ADDRESS_0, region.start); 981 config_writew(socket, PCI_COMMAND, 982 PCI_COMMAND_IO | 983 PCI_COMMAND_MEMORY | 984 PCI_COMMAND_MASTER | 985 PCI_COMMAND_WAIT); 986 987 /* MAGIC NUMBERS! Fixme */ 988 config_writeb(socket, PCI_CACHE_LINE_SIZE, L1_CACHE_BYTES / 4); 989 config_writeb(socket, PCI_LATENCY_TIMER, 168); 990 config_writel(socket, PCI_PRIMARY_BUS, 991 (176 << 24) | /* sec. latency timer */ 992 (dev->subordinate->subordinate << 16) | /* subordinate bus */ 993 (dev->subordinate->secondary << 8) | /* secondary bus */ 994 dev->subordinate->primary); /* primary bus */ 995 996 /* 997 * Set up the bridging state: 998 * - enable write posting. 999 * - memory window 0 prefetchable, window 1 non-prefetchable 1000 * - PCI interrupts enabled if a PCI interrupt exists.. 1001 */ 1002 bridge = config_readw(socket, CB_BRIDGE_CONTROL); 1003 bridge &= ~(CB_BRIDGE_CRST | CB_BRIDGE_PREFETCH1 | CB_BRIDGE_ISAEN | CB_BRIDGE_VGAEN); 1004 bridge |= CB_BRIDGE_PREFETCH0 | CB_BRIDGE_POSTEN; 1005 config_writew(socket, CB_BRIDGE_CONTROL, bridge); 1006 } 1007 1008 /** 1009 * yenta_fixup_parent_bridge - Fix subordinate bus# of the parent bridge 1010 * @cardbus_bridge: The PCI bus which the CardBus bridge bridges to 1011 * 1012 * Checks if devices on the bus which the CardBus bridge bridges to would be 1013 * invisible during PCI scans because of a misconfigured subordinate number 1014 * of the parent brige - some BIOSes seem to be too lazy to set it right. 1015 * Does the fixup carefully by checking how far it can go without conflicts. 1016 * See http://bugzilla.kernel.org/show_bug.cgi?id=2944 for more information. 1017 */ 1018 static void yenta_fixup_parent_bridge(struct pci_bus *cardbus_bridge) 1019 { 1020 struct list_head *tmp; 1021 unsigned char upper_limit; 1022 /* 1023 * We only check and fix the parent bridge: All systems which need 1024 * this fixup that have been reviewed are laptops and the only bridge 1025 * which needed fixing was the parent bridge of the CardBus bridge: 1026 */ 1027 struct pci_bus *bridge_to_fix = cardbus_bridge->parent; 1028 1029 /* Check bus numbers are already set up correctly: */ 1030 if (bridge_to_fix->subordinate >= cardbus_bridge->subordinate) 1031 return; /* The subordinate number is ok, nothing to do */ 1032 1033 if (!bridge_to_fix->parent) 1034 return; /* Root bridges are ok */ 1035 1036 /* stay within the limits of the bus range of the parent: */ 1037 upper_limit = bridge_to_fix->parent->subordinate; 1038 1039 /* check the bus ranges of all silbling bridges to prevent overlap */ 1040 list_for_each(tmp, &bridge_to_fix->parent->children) { 1041 struct pci_bus * silbling = pci_bus_b(tmp); 1042 /* 1043 * If the silbling has a higher secondary bus number 1044 * and it's secondary is equal or smaller than our 1045 * current upper limit, set the new upper limit to 1046 * the bus number below the silbling's range: 1047 */ 1048 if (silbling->secondary > bridge_to_fix->subordinate 1049 && silbling->secondary <= upper_limit) 1050 upper_limit = silbling->secondary - 1; 1051 } 1052 1053 /* Show that the wanted subordinate number is not possible: */ 1054 if (cardbus_bridge->subordinate > upper_limit) 1055 printk(KERN_WARNING "Yenta: Upper limit for fixing this " 1056 "bridge's parent bridge: #%02x\n", upper_limit); 1057 1058 /* If we have room to increase the bridge's subordinate number, */ 1059 if (bridge_to_fix->subordinate < upper_limit) { 1060 1061 /* use the highest number of the hidden bus, within limits */ 1062 unsigned char subordinate_to_assign = 1063 min(cardbus_bridge->subordinate, upper_limit); 1064 1065 printk(KERN_INFO "Yenta: Raising subordinate bus# of parent " 1066 "bus (#%02x) from #%02x to #%02x\n", 1067 bridge_to_fix->number, 1068 bridge_to_fix->subordinate, subordinate_to_assign); 1069 1070 /* Save the new subordinate in the bus struct of the bridge */ 1071 bridge_to_fix->subordinate = subordinate_to_assign; 1072 1073 /* and update the PCI config space with the new subordinate */ 1074 pci_write_config_byte(bridge_to_fix->self, 1075 PCI_SUBORDINATE_BUS, bridge_to_fix->subordinate); 1076 } 1077 } 1078 1079 /* 1080 * Initialize a cardbus controller. Make sure we have a usable 1081 * interrupt, and that we can map the cardbus area. Fill in the 1082 * socket information structure.. 1083 */ 1084 static int __devinit yenta_probe (struct pci_dev *dev, const struct pci_device_id *id) 1085 { 1086 struct yenta_socket *socket; 1087 int ret; 1088 1089 /* 1090 * If we failed to assign proper bus numbers for this cardbus 1091 * controller during PCI probe, its subordinate pci_bus is NULL. 1092 * Bail out if so. 1093 */ 1094 if (!dev->subordinate) { 1095 printk(KERN_ERR "Yenta: no bus associated with %s! " 1096 "(try 'pci=assign-busses')\n", pci_name(dev)); 1097 return -ENODEV; 1098 } 1099 1100 socket = kzalloc(sizeof(struct yenta_socket), GFP_KERNEL); 1101 if (!socket) 1102 return -ENOMEM; 1103 1104 /* prepare pcmcia_socket */ 1105 socket->socket.ops = ¥ta_socket_operations; 1106 socket->socket.resource_ops = &pccard_nonstatic_ops; 1107 socket->socket.dev.parent = &dev->dev; 1108 socket->socket.driver_data = socket; 1109 socket->socket.owner = THIS_MODULE; 1110 socket->socket.features = SS_CAP_PAGE_REGS | SS_CAP_PCCARD; 1111 socket->socket.map_size = 0x1000; 1112 socket->socket.cb_dev = dev; 1113 1114 /* prepare struct yenta_socket */ 1115 socket->dev = dev; 1116 pci_set_drvdata(dev, socket); 1117 1118 /* 1119 * Do some basic sanity checking.. 1120 */ 1121 if (pci_enable_device(dev)) { 1122 ret = -EBUSY; 1123 goto free; 1124 } 1125 1126 ret = pci_request_regions(dev, "yenta_socket"); 1127 if (ret) 1128 goto disable; 1129 1130 if (!pci_resource_start(dev, 0)) { 1131 printk(KERN_ERR "No cardbus resource!\n"); 1132 ret = -ENODEV; 1133 goto release; 1134 } 1135 1136 /* 1137 * Ok, start setup.. Map the cardbus registers, 1138 * and request the IRQ. 1139 */ 1140 socket->base = ioremap(pci_resource_start(dev, 0), 0x1000); 1141 if (!socket->base) { 1142 ret = -ENOMEM; 1143 goto release; 1144 } 1145 1146 /* 1147 * report the subsystem vendor and device for help debugging 1148 * the irq stuff... 1149 */ 1150 printk(KERN_INFO "Yenta: CardBus bridge found at %s [%04x:%04x]\n", 1151 pci_name(dev), dev->subsystem_vendor, dev->subsystem_device); 1152 1153 yenta_config_init(socket); 1154 1155 /* Disable all events */ 1156 cb_writel(socket, CB_SOCKET_MASK, 0x0); 1157 1158 /* Set up the bridge regions.. */ 1159 yenta_allocate_resources(socket); 1160 1161 socket->cb_irq = dev->irq; 1162 1163 /* Do we have special options for the device? */ 1164 if (id->driver_data != CARDBUS_TYPE_DEFAULT && 1165 id->driver_data < ARRAY_SIZE(cardbus_type)) { 1166 socket->type = &cardbus_type[id->driver_data]; 1167 1168 ret = socket->type->override(socket); 1169 if (ret < 0) 1170 goto unmap; 1171 } 1172 1173 /* We must finish initialization here */ 1174 1175 if (!socket->cb_irq || request_irq(socket->cb_irq, yenta_interrupt, IRQF_SHARED, "yenta", socket)) { 1176 /* No IRQ or request_irq failed. Poll */ 1177 socket->cb_irq = 0; /* But zero is a valid IRQ number. */ 1178 init_timer(&socket->poll_timer); 1179 socket->poll_timer.function = yenta_interrupt_wrapper; 1180 socket->poll_timer.data = (unsigned long)socket; 1181 socket->poll_timer.expires = jiffies + HZ; 1182 add_timer(&socket->poll_timer); 1183 printk(KERN_INFO "Yenta: no PCI IRQ, CardBus support disabled for this socket.\n" 1184 KERN_INFO "Yenta: check your BIOS CardBus, BIOS IRQ or ACPI settings.\n"); 1185 } else { 1186 socket->socket.features |= SS_CAP_CARDBUS; 1187 } 1188 1189 /* Figure out what the dang thing can do for the PCMCIA layer... */ 1190 yenta_interrogate(socket); 1191 yenta_get_socket_capabilities(socket, isa_interrupts); 1192 printk(KERN_INFO "Socket status: %08x\n", cb_readl(socket, CB_SOCKET_STATE)); 1193 1194 yenta_fixup_parent_bridge(dev->subordinate); 1195 1196 /* Register it with the pcmcia layer.. */ 1197 ret = pcmcia_register_socket(&socket->socket); 1198 if (ret == 0) { 1199 /* Add the yenta register attributes */ 1200 ret = device_create_file(&dev->dev, &dev_attr_yenta_registers); 1201 if (ret == 0) 1202 goto out; 1203 1204 /* error path... */ 1205 pcmcia_unregister_socket(&socket->socket); 1206 } 1207 1208 unmap: 1209 iounmap(socket->base); 1210 release: 1211 pci_release_regions(dev); 1212 disable: 1213 pci_disable_device(dev); 1214 free: 1215 kfree(socket); 1216 out: 1217 return ret; 1218 } 1219 1220 #ifdef CONFIG_PM 1221 static int yenta_dev_suspend (struct pci_dev *dev, pm_message_t state) 1222 { 1223 struct yenta_socket *socket = pci_get_drvdata(dev); 1224 int ret; 1225 1226 ret = pcmcia_socket_dev_suspend(&dev->dev, state); 1227 1228 if (socket) { 1229 if (socket->type && socket->type->save_state) 1230 socket->type->save_state(socket); 1231 1232 /* FIXME: pci_save_state needs to have a better interface */ 1233 pci_save_state(dev); 1234 pci_read_config_dword(dev, 16*4, &socket->saved_state[0]); 1235 pci_read_config_dword(dev, 17*4, &socket->saved_state[1]); 1236 pci_disable_device(dev); 1237 1238 /* 1239 * Some laptops (IBM T22) do not like us putting the Cardbus 1240 * bridge into D3. At a guess, some other laptop will 1241 * probably require this, so leave it commented out for now. 1242 */ 1243 /* pci_set_power_state(dev, 3); */ 1244 } 1245 1246 return ret; 1247 } 1248 1249 1250 static int yenta_dev_resume (struct pci_dev *dev) 1251 { 1252 struct yenta_socket *socket = pci_get_drvdata(dev); 1253 1254 if (socket) { 1255 int rc; 1256 1257 pci_set_power_state(dev, 0); 1258 /* FIXME: pci_restore_state needs to have a better interface */ 1259 pci_restore_state(dev); 1260 pci_write_config_dword(dev, 16*4, socket->saved_state[0]); 1261 pci_write_config_dword(dev, 17*4, socket->saved_state[1]); 1262 1263 rc = pci_enable_device(dev); 1264 if (rc) 1265 return rc; 1266 1267 pci_set_master(dev); 1268 1269 if (socket->type && socket->type->restore_state) 1270 socket->type->restore_state(socket); 1271 } 1272 1273 return pcmcia_socket_dev_resume(&dev->dev); 1274 } 1275 #endif 1276 1277 #define CB_ID(vend,dev,type) \ 1278 { \ 1279 .vendor = vend, \ 1280 .device = dev, \ 1281 .subvendor = PCI_ANY_ID, \ 1282 .subdevice = PCI_ANY_ID, \ 1283 .class = PCI_CLASS_BRIDGE_CARDBUS << 8, \ 1284 .class_mask = ~0, \ 1285 .driver_data = CARDBUS_TYPE_##type, \ 1286 } 1287 1288 static struct pci_device_id yenta_table [] = { 1289 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1031, TI), 1290 1291 /* 1292 * TBD: Check if these TI variants can use more 1293 * advanced overrides instead. (I can't get the 1294 * data sheets for these devices. --rmk) 1295 */ 1296 #ifdef CONFIG_YENTA_TI 1297 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1210, TI), 1298 1299 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1130, TI113X), 1300 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1131, TI113X), 1301 1302 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1211, TI12XX), 1303 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1220, TI12XX), 1304 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1221, TI12XX), 1305 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1225, TI12XX), 1306 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251A, TI12XX), 1307 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251B, TI12XX), 1308 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1420, TI12XX), 1309 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1450, TI12XX), 1310 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1451A, TI12XX), 1311 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1510, TI12XX), 1312 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1520, TI12XX), 1313 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1620, TI12XX), 1314 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4410, TI12XX), 1315 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4450, TI12XX), 1316 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4451, TI12XX), 1317 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4510, TI12XX), 1318 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4520, TI12XX), 1319 1320 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1250, TI1250), 1321 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1410, TI1250), 1322 1323 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX21_XX11, TI12XX), 1324 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X515, TI12XX), 1325 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX12, TI12XX), 1326 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X420, TI12XX), 1327 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X620, TI12XX), 1328 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7410, TI12XX), 1329 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7510, TI12XX), 1330 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7610, TI12XX), 1331 1332 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_710, TI12XX), 1333 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_712, TI12XX), 1334 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_720, TI12XX), 1335 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_722, TI12XX), 1336 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1211, ENE), 1337 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1225, ENE), 1338 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1410, ENE), 1339 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1420, ENE), 1340 #endif /* CONFIG_YENTA_TI */ 1341 1342 #ifdef CONFIG_YENTA_RICOH 1343 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C465, RICOH), 1344 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C466, RICOH), 1345 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C475, RICOH), 1346 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C476, RICOH), 1347 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C478, RICOH), 1348 #endif 1349 1350 #ifdef CONFIG_YENTA_TOSHIBA 1351 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC95, TOPIC95), 1352 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC97, TOPIC97), 1353 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC100, TOPIC97), 1354 #endif 1355 1356 #ifdef CONFIG_YENTA_O2 1357 CB_ID(PCI_VENDOR_ID_O2, PCI_ANY_ID, O2MICRO), 1358 #endif 1359 1360 /* match any cardbus bridge */ 1361 CB_ID(PCI_ANY_ID, PCI_ANY_ID, DEFAULT), 1362 { /* all zeroes */ } 1363 }; 1364 MODULE_DEVICE_TABLE(pci, yenta_table); 1365 1366 1367 static struct pci_driver yenta_cardbus_driver = { 1368 .name = "yenta_cardbus", 1369 .id_table = yenta_table, 1370 .probe = yenta_probe, 1371 .remove = __devexit_p(yenta_close), 1372 #ifdef CONFIG_PM 1373 .suspend = yenta_dev_suspend, 1374 .resume = yenta_dev_resume, 1375 #endif 1376 }; 1377 1378 1379 static int __init yenta_socket_init(void) 1380 { 1381 return pci_register_driver (¥ta_cardbus_driver); 1382 } 1383 1384 1385 static void __exit yenta_socket_exit (void) 1386 { 1387 pci_unregister_driver (¥ta_cardbus_driver); 1388 } 1389 1390 1391 module_init(yenta_socket_init); 1392 module_exit(yenta_socket_exit); 1393 1394 MODULE_LICENSE("GPL"); 1395