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/workqueue.h> 16 #include <linux/interrupt.h> 17 #include <linux/delay.h> 18 #include <linux/module.h> 19 20 #include <pcmcia/cs_types.h> 21 #include <pcmcia/ss.h> 22 #include <pcmcia/cs.h> 23 24 #include <asm/io.h> 25 26 #include "yenta_socket.h" 27 #include "i82365.h" 28 29 static int disable_clkrun; 30 module_param(disable_clkrun, bool, 0444); 31 MODULE_PARM_DESC(disable_clkrun, "If PC card doesn't function properly, please try this option"); 32 33 static int isa_probe = 1; 34 module_param(isa_probe, bool, 0444); 35 MODULE_PARM_DESC(isa_probe, "If set ISA interrupts are probed (default). Set to N to disable probing"); 36 37 static int pwr_irqs_off; 38 module_param(pwr_irqs_off, bool, 0644); 39 MODULE_PARM_DESC(pwr_irqs_off, "Force IRQs off during power-on of slot. Use only when seeing IRQ storms!"); 40 41 #if 0 42 #define debug(x,args...) printk(KERN_DEBUG "%s: " x, __func__ , ##args) 43 #else 44 #define debug(x,args...) 45 #endif 46 47 /* Don't ask.. */ 48 #define to_cycles(ns) ((ns)/120) 49 #define to_ns(cycles) ((cycles)*120) 50 51 /* 52 * yenta PCI irq probing. 53 * currently only used in the TI/EnE initialization code 54 */ 55 #ifdef CONFIG_YENTA_TI 56 static int yenta_probe_cb_irq(struct yenta_socket *socket); 57 #endif 58 59 60 static unsigned int override_bios; 61 module_param(override_bios, uint, 0000); 62 MODULE_PARM_DESC (override_bios, "yenta ignore bios resource allocation"); 63 64 /* 65 * Generate easy-to-use ways of reading a cardbus sockets 66 * regular memory space ("cb_xxx"), configuration space 67 * ("config_xxx") and compatibility space ("exca_xxxx") 68 */ 69 static inline u32 cb_readl(struct yenta_socket *socket, unsigned reg) 70 { 71 u32 val = readl(socket->base + reg); 72 debug("%p %04x %08x\n", socket, reg, val); 73 return val; 74 } 75 76 static inline void cb_writel(struct yenta_socket *socket, unsigned reg, u32 val) 77 { 78 debug("%p %04x %08x\n", socket, reg, val); 79 writel(val, socket->base + reg); 80 readl(socket->base + reg); /* avoid problems with PCI write posting */ 81 } 82 83 static inline u8 config_readb(struct yenta_socket *socket, unsigned offset) 84 { 85 u8 val; 86 pci_read_config_byte(socket->dev, offset, &val); 87 debug("%p %04x %02x\n", socket, offset, val); 88 return val; 89 } 90 91 static inline u16 config_readw(struct yenta_socket *socket, unsigned offset) 92 { 93 u16 val; 94 pci_read_config_word(socket->dev, offset, &val); 95 debug("%p %04x %04x\n", socket, offset, val); 96 return val; 97 } 98 99 static inline u32 config_readl(struct yenta_socket *socket, unsigned offset) 100 { 101 u32 val; 102 pci_read_config_dword(socket->dev, offset, &val); 103 debug("%p %04x %08x\n", socket, offset, val); 104 return val; 105 } 106 107 static inline void config_writeb(struct yenta_socket *socket, unsigned offset, u8 val) 108 { 109 debug("%p %04x %02x\n", socket, offset, val); 110 pci_write_config_byte(socket->dev, offset, val); 111 } 112 113 static inline void config_writew(struct yenta_socket *socket, unsigned offset, u16 val) 114 { 115 debug("%p %04x %04x\n", socket, offset, val); 116 pci_write_config_word(socket->dev, offset, val); 117 } 118 119 static inline void config_writel(struct yenta_socket *socket, unsigned offset, u32 val) 120 { 121 debug("%p %04x %08x\n", socket, offset, val); 122 pci_write_config_dword(socket->dev, offset, val); 123 } 124 125 static inline u8 exca_readb(struct yenta_socket *socket, unsigned reg) 126 { 127 u8 val = readb(socket->base + 0x800 + reg); 128 debug("%p %04x %02x\n", socket, reg, val); 129 return val; 130 } 131 132 static inline u8 exca_readw(struct yenta_socket *socket, unsigned reg) 133 { 134 u16 val; 135 val = readb(socket->base + 0x800 + reg); 136 val |= readb(socket->base + 0x800 + reg + 1) << 8; 137 debug("%p %04x %04x\n", socket, reg, val); 138 return val; 139 } 140 141 static inline void exca_writeb(struct yenta_socket *socket, unsigned reg, u8 val) 142 { 143 debug("%p %04x %02x\n", socket, reg, val); 144 writeb(val, socket->base + 0x800 + reg); 145 readb(socket->base + 0x800 + reg); /* PCI write posting... */ 146 } 147 148 static void exca_writew(struct yenta_socket *socket, unsigned reg, u16 val) 149 { 150 debug("%p %04x %04x\n", socket, reg, val); 151 writeb(val, socket->base + 0x800 + reg); 152 writeb(val >> 8, socket->base + 0x800 + reg + 1); 153 154 /* PCI write posting... */ 155 readb(socket->base + 0x800 + reg); 156 readb(socket->base + 0x800 + reg + 1); 157 } 158 159 static ssize_t show_yenta_registers(struct device *yentadev, struct device_attribute *attr, char *buf) 160 { 161 struct pci_dev *dev = to_pci_dev(yentadev); 162 struct yenta_socket *socket = pci_get_drvdata(dev); 163 int offset = 0, i; 164 165 offset = snprintf(buf, PAGE_SIZE, "CB registers:"); 166 for (i = 0; i < 0x24; i += 4) { 167 unsigned val; 168 if (!(i & 15)) 169 offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n%02x:", i); 170 val = cb_readl(socket, i); 171 offset += snprintf(buf + offset, PAGE_SIZE - offset, " %08x", val); 172 } 173 174 offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n\nExCA registers:"); 175 for (i = 0; i < 0x45; i++) { 176 unsigned char val; 177 if (!(i & 7)) { 178 if (i & 8) { 179 memcpy(buf + offset, " -", 2); 180 offset += 2; 181 } else 182 offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n%02x:", i); 183 } 184 val = exca_readb(socket, i); 185 offset += snprintf(buf + offset, PAGE_SIZE - offset, " %02x", val); 186 } 187 buf[offset++] = '\n'; 188 return offset; 189 } 190 191 static DEVICE_ATTR(yenta_registers, S_IRUSR, show_yenta_registers, NULL); 192 193 /* 194 * Ugh, mixed-mode cardbus and 16-bit pccard state: things depend 195 * on what kind of card is inserted.. 196 */ 197 static int yenta_get_status(struct pcmcia_socket *sock, unsigned int *value) 198 { 199 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); 200 unsigned int val; 201 u32 state = cb_readl(socket, CB_SOCKET_STATE); 202 203 val = (state & CB_3VCARD) ? SS_3VCARD : 0; 204 val |= (state & CB_XVCARD) ? SS_XVCARD : 0; 205 val |= (state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ? 0 : SS_PENDING; 206 val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? SS_PENDING : 0; 207 208 209 if (state & CB_CBCARD) { 210 val |= SS_CARDBUS; 211 val |= (state & CB_CARDSTS) ? SS_STSCHG : 0; 212 val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? 0 : SS_DETECT; 213 val |= (state & CB_PWRCYCLE) ? SS_POWERON | SS_READY : 0; 214 } else if (state & CB_16BITCARD) { 215 u8 status = exca_readb(socket, I365_STATUS); 216 val |= ((status & I365_CS_DETECT) == I365_CS_DETECT) ? SS_DETECT : 0; 217 if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) { 218 val |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG; 219 } else { 220 val |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD; 221 val |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN; 222 } 223 val |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0; 224 val |= (status & I365_CS_READY) ? SS_READY : 0; 225 val |= (status & I365_CS_POWERON) ? SS_POWERON : 0; 226 } 227 228 *value = val; 229 return 0; 230 } 231 232 static void yenta_set_power(struct yenta_socket *socket, socket_state_t *state) 233 { 234 /* some birdges require to use the ExCA registers to power 16bit cards */ 235 if (!(cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) && 236 (socket->flags & YENTA_16BIT_POWER_EXCA)) { 237 u8 reg, old; 238 reg = old = exca_readb(socket, I365_POWER); 239 reg &= ~(I365_VCC_MASK | I365_VPP1_MASK | I365_VPP2_MASK); 240 241 /* i82365SL-DF style */ 242 if (socket->flags & YENTA_16BIT_POWER_DF) { 243 switch (state->Vcc) { 244 case 33: reg |= I365_VCC_3V; break; 245 case 50: reg |= I365_VCC_5V; break; 246 default: reg = 0; break; 247 } 248 switch (state->Vpp) { 249 case 33: 250 case 50: reg |= I365_VPP1_5V; break; 251 case 120: reg |= I365_VPP1_12V; break; 252 } 253 } else { 254 /* i82365SL-B style */ 255 switch (state->Vcc) { 256 case 50: reg |= I365_VCC_5V; break; 257 default: reg = 0; break; 258 } 259 switch (state->Vpp) { 260 case 50: reg |= I365_VPP1_5V | I365_VPP2_5V; break; 261 case 120: reg |= I365_VPP1_12V | I365_VPP2_12V; break; 262 } 263 } 264 265 if (reg != old) 266 exca_writeb(socket, I365_POWER, reg); 267 } else { 268 u32 reg = 0; /* CB_SC_STPCLK? */ 269 switch (state->Vcc) { 270 case 33: reg = CB_SC_VCC_3V; break; 271 case 50: reg = CB_SC_VCC_5V; break; 272 default: reg = 0; break; 273 } 274 switch (state->Vpp) { 275 case 33: reg |= CB_SC_VPP_3V; break; 276 case 50: reg |= CB_SC_VPP_5V; break; 277 case 120: reg |= CB_SC_VPP_12V; break; 278 } 279 if (reg != cb_readl(socket, CB_SOCKET_CONTROL)) 280 cb_writel(socket, CB_SOCKET_CONTROL, reg); 281 } 282 } 283 284 static int yenta_set_socket(struct pcmcia_socket *sock, socket_state_t *state) 285 { 286 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); 287 u16 bridge; 288 289 /* if powering down: do it immediately */ 290 if (state->Vcc == 0) 291 yenta_set_power(socket, state); 292 293 socket->io_irq = state->io_irq; 294 bridge = config_readw(socket, CB_BRIDGE_CONTROL) & ~(CB_BRIDGE_CRST | CB_BRIDGE_INTR); 295 if (cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) { 296 u8 intr; 297 bridge |= (state->flags & SS_RESET) ? CB_BRIDGE_CRST : 0; 298 299 /* ISA interrupt control? */ 300 intr = exca_readb(socket, I365_INTCTL); 301 intr = (intr & ~0xf); 302 if (!socket->cb_irq) { 303 intr |= state->io_irq; 304 bridge |= CB_BRIDGE_INTR; 305 } 306 exca_writeb(socket, I365_INTCTL, intr); 307 } else { 308 u8 reg; 309 310 reg = exca_readb(socket, I365_INTCTL) & (I365_RING_ENA | I365_INTR_ENA); 311 reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET; 312 reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0; 313 if (state->io_irq != socket->cb_irq) { 314 reg |= state->io_irq; 315 bridge |= CB_BRIDGE_INTR; 316 } 317 exca_writeb(socket, I365_INTCTL, reg); 318 319 reg = exca_readb(socket, I365_POWER) & (I365_VCC_MASK|I365_VPP1_MASK); 320 reg |= I365_PWR_NORESET; 321 if (state->flags & SS_PWR_AUTO) reg |= I365_PWR_AUTO; 322 if (state->flags & SS_OUTPUT_ENA) reg |= I365_PWR_OUT; 323 if (exca_readb(socket, I365_POWER) != reg) 324 exca_writeb(socket, I365_POWER, reg); 325 326 /* CSC interrupt: no ISA irq for CSC */ 327 reg = I365_CSC_DETECT; 328 if (state->flags & SS_IOCARD) { 329 if (state->csc_mask & SS_STSCHG) reg |= I365_CSC_STSCHG; 330 } else { 331 if (state->csc_mask & SS_BATDEAD) reg |= I365_CSC_BVD1; 332 if (state->csc_mask & SS_BATWARN) reg |= I365_CSC_BVD2; 333 if (state->csc_mask & SS_READY) reg |= I365_CSC_READY; 334 } 335 exca_writeb(socket, I365_CSCINT, reg); 336 exca_readb(socket, I365_CSC); 337 if(sock->zoom_video) 338 sock->zoom_video(sock, state->flags & SS_ZVCARD); 339 } 340 config_writew(socket, CB_BRIDGE_CONTROL, bridge); 341 /* Socket event mask: get card insert/remove events.. */ 342 cb_writel(socket, CB_SOCKET_EVENT, -1); 343 cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK); 344 345 /* if powering up: do it as the last step when the socket is configured */ 346 if (state->Vcc != 0) 347 yenta_set_power(socket, state); 348 return 0; 349 } 350 351 static int yenta_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io) 352 { 353 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); 354 int map; 355 unsigned char ioctl, addr, enable; 356 357 map = io->map; 358 359 if (map > 1) 360 return -EINVAL; 361 362 enable = I365_ENA_IO(map); 363 addr = exca_readb(socket, I365_ADDRWIN); 364 365 /* Disable the window before changing it.. */ 366 if (addr & enable) { 367 addr &= ~enable; 368 exca_writeb(socket, I365_ADDRWIN, addr); 369 } 370 371 exca_writew(socket, I365_IO(map)+I365_W_START, io->start); 372 exca_writew(socket, I365_IO(map)+I365_W_STOP, io->stop); 373 374 ioctl = exca_readb(socket, I365_IOCTL) & ~I365_IOCTL_MASK(map); 375 if (io->flags & MAP_0WS) ioctl |= I365_IOCTL_0WS(map); 376 if (io->flags & MAP_16BIT) ioctl |= I365_IOCTL_16BIT(map); 377 if (io->flags & MAP_AUTOSZ) ioctl |= I365_IOCTL_IOCS16(map); 378 exca_writeb(socket, I365_IOCTL, ioctl); 379 380 if (io->flags & MAP_ACTIVE) 381 exca_writeb(socket, I365_ADDRWIN, addr | enable); 382 return 0; 383 } 384 385 static int yenta_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem) 386 { 387 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); 388 struct pci_bus_region region; 389 int map; 390 unsigned char addr, enable; 391 unsigned int start, stop, card_start; 392 unsigned short word; 393 394 pcibios_resource_to_bus(socket->dev, ®ion, mem->res); 395 396 map = mem->map; 397 start = region.start; 398 stop = region.end; 399 card_start = mem->card_start; 400 401 if (map > 4 || start > stop || ((start ^ stop) >> 24) || 402 (card_start >> 26) || mem->speed > 1000) 403 return -EINVAL; 404 405 enable = I365_ENA_MEM(map); 406 addr = exca_readb(socket, I365_ADDRWIN); 407 if (addr & enable) { 408 addr &= ~enable; 409 exca_writeb(socket, I365_ADDRWIN, addr); 410 } 411 412 exca_writeb(socket, CB_MEM_PAGE(map), start >> 24); 413 414 word = (start >> 12) & 0x0fff; 415 if (mem->flags & MAP_16BIT) 416 word |= I365_MEM_16BIT; 417 if (mem->flags & MAP_0WS) 418 word |= I365_MEM_0WS; 419 exca_writew(socket, I365_MEM(map) + I365_W_START, word); 420 421 word = (stop >> 12) & 0x0fff; 422 switch (to_cycles(mem->speed)) { 423 case 0: break; 424 case 1: word |= I365_MEM_WS0; break; 425 case 2: word |= I365_MEM_WS1; break; 426 default: word |= I365_MEM_WS1 | I365_MEM_WS0; break; 427 } 428 exca_writew(socket, I365_MEM(map) + I365_W_STOP, word); 429 430 word = ((card_start - start) >> 12) & 0x3fff; 431 if (mem->flags & MAP_WRPROT) 432 word |= I365_MEM_WRPROT; 433 if (mem->flags & MAP_ATTRIB) 434 word |= I365_MEM_REG; 435 exca_writew(socket, I365_MEM(map) + I365_W_OFF, word); 436 437 if (mem->flags & MAP_ACTIVE) 438 exca_writeb(socket, I365_ADDRWIN, addr | enable); 439 return 0; 440 } 441 442 443 444 static irqreturn_t yenta_interrupt(int irq, void *dev_id) 445 { 446 unsigned int events; 447 struct yenta_socket *socket = (struct yenta_socket *) dev_id; 448 u8 csc; 449 u32 cb_event; 450 451 /* Clear interrupt status for the event */ 452 cb_event = cb_readl(socket, CB_SOCKET_EVENT); 453 cb_writel(socket, CB_SOCKET_EVENT, cb_event); 454 455 csc = exca_readb(socket, I365_CSC); 456 457 if (!(cb_event || csc)) 458 return IRQ_NONE; 459 460 events = (cb_event & (CB_CD1EVENT | CB_CD2EVENT)) ? SS_DETECT : 0 ; 461 events |= (csc & I365_CSC_DETECT) ? SS_DETECT : 0; 462 if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) { 463 events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0; 464 } else { 465 events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0; 466 events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0; 467 events |= (csc & I365_CSC_READY) ? SS_READY : 0; 468 } 469 470 if (events) 471 pcmcia_parse_events(&socket->socket, events); 472 473 return IRQ_HANDLED; 474 } 475 476 static void yenta_interrupt_wrapper(unsigned long data) 477 { 478 struct yenta_socket *socket = (struct yenta_socket *) data; 479 480 yenta_interrupt(0, (void *)socket); 481 socket->poll_timer.expires = jiffies + HZ; 482 add_timer(&socket->poll_timer); 483 } 484 485 static void yenta_clear_maps(struct yenta_socket *socket) 486 { 487 int i; 488 struct resource res = { .start = 0, .end = 0x0fff }; 489 pccard_io_map io = { 0, 0, 0, 0, 1 }; 490 pccard_mem_map mem = { .res = &res, }; 491 492 yenta_set_socket(&socket->socket, &dead_socket); 493 for (i = 0; i < 2; i++) { 494 io.map = i; 495 yenta_set_io_map(&socket->socket, &io); 496 } 497 for (i = 0; i < 5; i++) { 498 mem.map = i; 499 yenta_set_mem_map(&socket->socket, &mem); 500 } 501 } 502 503 /* redoes voltage interrogation if required */ 504 static void yenta_interrogate(struct yenta_socket *socket) 505 { 506 u32 state; 507 508 state = cb_readl(socket, CB_SOCKET_STATE); 509 if (!(state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) || 510 (state & (CB_CDETECT1 | CB_CDETECT2 | CB_NOTACARD | CB_BADVCCREQ)) || 511 ((state & (CB_16BITCARD | CB_CBCARD)) == (CB_16BITCARD | CB_CBCARD))) 512 cb_writel(socket, CB_SOCKET_FORCE, CB_CVSTEST); 513 } 514 515 /* Called at resume and initialization events */ 516 static int yenta_sock_init(struct pcmcia_socket *sock) 517 { 518 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); 519 520 exca_writeb(socket, I365_GBLCTL, 0x00); 521 exca_writeb(socket, I365_GENCTL, 0x00); 522 523 /* Redo card voltage interrogation */ 524 yenta_interrogate(socket); 525 526 yenta_clear_maps(socket); 527 528 if (socket->type && socket->type->sock_init) 529 socket->type->sock_init(socket); 530 531 /* Re-enable CSC interrupts */ 532 cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK); 533 534 return 0; 535 } 536 537 static int yenta_sock_suspend(struct pcmcia_socket *sock) 538 { 539 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); 540 541 /* Disable CSC interrupts */ 542 cb_writel(socket, CB_SOCKET_MASK, 0x0); 543 544 return 0; 545 } 546 547 /* 548 * Use an adaptive allocation for the memory resource, 549 * sometimes the memory behind pci bridges is limited: 550 * 1/8 of the size of the io window of the parent. 551 * max 4 MB, min 16 kB. We try very hard to not get below 552 * the "ACC" values, though. 553 */ 554 #define BRIDGE_MEM_MAX 4*1024*1024 555 #define BRIDGE_MEM_ACC 128*1024 556 #define BRIDGE_MEM_MIN 16*1024 557 558 #define BRIDGE_IO_MAX 512 559 #define BRIDGE_IO_ACC 256 560 #define BRIDGE_IO_MIN 32 561 562 #ifndef PCIBIOS_MIN_CARDBUS_IO 563 #define PCIBIOS_MIN_CARDBUS_IO PCIBIOS_MIN_IO 564 #endif 565 566 static int yenta_search_one_res(struct resource *root, struct resource *res, 567 u32 min) 568 { 569 u32 align, size, start, end; 570 571 if (res->flags & IORESOURCE_IO) { 572 align = 1024; 573 size = BRIDGE_IO_MAX; 574 start = PCIBIOS_MIN_CARDBUS_IO; 575 end = ~0U; 576 } else { 577 unsigned long avail = root->end - root->start; 578 int i; 579 size = BRIDGE_MEM_MAX; 580 if (size > avail/8) { 581 size=(avail+1)/8; 582 /* round size down to next power of 2 */ 583 i = 0; 584 while ((size /= 2) != 0) 585 i++; 586 size = 1 << i; 587 } 588 if (size < min) 589 size = min; 590 align = size; 591 start = PCIBIOS_MIN_MEM; 592 end = ~0U; 593 } 594 595 do { 596 if (allocate_resource(root, res, size, start, end, align, 597 NULL, NULL)==0) { 598 return 1; 599 } 600 size = size/2; 601 align = size; 602 } while (size >= min); 603 604 return 0; 605 } 606 607 608 static int yenta_search_res(struct yenta_socket *socket, struct resource *res, 609 u32 min) 610 { 611 int i; 612 for (i=0; i<PCI_BUS_NUM_RESOURCES; i++) { 613 struct resource * root = socket->dev->bus->resource[i]; 614 if (!root) 615 continue; 616 617 if ((res->flags ^ root->flags) & 618 (IORESOURCE_IO | IORESOURCE_MEM | IORESOURCE_PREFETCH)) 619 continue; /* Wrong type */ 620 621 if (yenta_search_one_res(root, res, min)) 622 return 1; 623 } 624 return 0; 625 } 626 627 static int yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type, int addr_start, int addr_end) 628 { 629 struct resource *root, *res; 630 struct pci_bus_region region; 631 unsigned mask; 632 633 res = socket->dev->resource + PCI_BRIDGE_RESOURCES + nr; 634 /* Already allocated? */ 635 if (res->parent) 636 return 0; 637 638 /* The granularity of the memory limit is 4kB, on IO it's 4 bytes */ 639 mask = ~0xfff; 640 if (type & IORESOURCE_IO) 641 mask = ~3; 642 643 res->name = socket->dev->subordinate->name; 644 res->flags = type; 645 646 region.start = config_readl(socket, addr_start) & mask; 647 region.end = config_readl(socket, addr_end) | ~mask; 648 if (region.start && region.end > region.start && !override_bios) { 649 pcibios_bus_to_resource(socket->dev, res, ®ion); 650 root = pci_find_parent_resource(socket->dev, res); 651 if (root && (request_resource(root, res) == 0)) 652 return 0; 653 printk(KERN_INFO "yenta %s: Preassigned resource %d busy or not available, reconfiguring...\n", 654 pci_name(socket->dev), nr); 655 } 656 657 if (type & IORESOURCE_IO) { 658 if ((yenta_search_res(socket, res, BRIDGE_IO_MAX)) || 659 (yenta_search_res(socket, res, BRIDGE_IO_ACC)) || 660 (yenta_search_res(socket, res, BRIDGE_IO_MIN))) 661 return 1; 662 } else { 663 if (type & IORESOURCE_PREFETCH) { 664 if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) || 665 (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) || 666 (yenta_search_res(socket, res, BRIDGE_MEM_MIN))) 667 return 1; 668 /* Approximating prefetchable by non-prefetchable */ 669 res->flags = IORESOURCE_MEM; 670 } 671 if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) || 672 (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) || 673 (yenta_search_res(socket, res, BRIDGE_MEM_MIN))) 674 return 1; 675 } 676 677 printk(KERN_INFO "yenta %s: no resource of type %x available, trying to continue...\n", 678 pci_name(socket->dev), type); 679 res->start = res->end = res->flags = 0; 680 return 0; 681 } 682 683 /* 684 * Allocate the bridge mappings for the device.. 685 */ 686 static void yenta_allocate_resources(struct yenta_socket *socket) 687 { 688 int program = 0; 689 program += yenta_allocate_res(socket, 0, IORESOURCE_IO, 690 PCI_CB_IO_BASE_0, PCI_CB_IO_LIMIT_0); 691 program += yenta_allocate_res(socket, 1, IORESOURCE_IO, 692 PCI_CB_IO_BASE_1, PCI_CB_IO_LIMIT_1); 693 program += yenta_allocate_res(socket, 2, IORESOURCE_MEM|IORESOURCE_PREFETCH, 694 PCI_CB_MEMORY_BASE_0, PCI_CB_MEMORY_LIMIT_0); 695 program += yenta_allocate_res(socket, 3, IORESOURCE_MEM, 696 PCI_CB_MEMORY_BASE_1, PCI_CB_MEMORY_LIMIT_1); 697 if (program) 698 pci_setup_cardbus(socket->dev->subordinate); 699 } 700 701 702 /* 703 * Free the bridge mappings for the device.. 704 */ 705 static void yenta_free_resources(struct yenta_socket *socket) 706 { 707 int i; 708 for (i=0;i<4;i++) { 709 struct resource *res; 710 res = socket->dev->resource + PCI_BRIDGE_RESOURCES + i; 711 if (res->start != 0 && res->end != 0) 712 release_resource(res); 713 res->start = res->end = res->flags = 0; 714 } 715 } 716 717 718 /* 719 * Close it down - release our resources and go home.. 720 */ 721 static void yenta_close(struct pci_dev *dev) 722 { 723 struct yenta_socket *sock = pci_get_drvdata(dev); 724 725 /* Remove the register attributes */ 726 device_remove_file(&dev->dev, &dev_attr_yenta_registers); 727 728 /* we don't want a dying socket registered */ 729 pcmcia_unregister_socket(&sock->socket); 730 731 /* Disable all events so we don't die in an IRQ storm */ 732 cb_writel(sock, CB_SOCKET_MASK, 0x0); 733 exca_writeb(sock, I365_CSCINT, 0); 734 735 if (sock->cb_irq) 736 free_irq(sock->cb_irq, sock); 737 else 738 del_timer_sync(&sock->poll_timer); 739 740 if (sock->base) 741 iounmap(sock->base); 742 yenta_free_resources(sock); 743 744 pci_release_regions(dev); 745 pci_disable_device(dev); 746 pci_set_drvdata(dev, NULL); 747 } 748 749 750 static struct pccard_operations yenta_socket_operations = { 751 .init = yenta_sock_init, 752 .suspend = yenta_sock_suspend, 753 .get_status = yenta_get_status, 754 .set_socket = yenta_set_socket, 755 .set_io_map = yenta_set_io_map, 756 .set_mem_map = yenta_set_mem_map, 757 }; 758 759 760 #ifdef CONFIG_YENTA_TI 761 #include "ti113x.h" 762 #endif 763 #ifdef CONFIG_YENTA_RICOH 764 #include "ricoh.h" 765 #endif 766 #ifdef CONFIG_YENTA_TOSHIBA 767 #include "topic.h" 768 #endif 769 #ifdef CONFIG_YENTA_O2 770 #include "o2micro.h" 771 #endif 772 773 enum { 774 CARDBUS_TYPE_DEFAULT = -1, 775 CARDBUS_TYPE_TI, 776 CARDBUS_TYPE_TI113X, 777 CARDBUS_TYPE_TI12XX, 778 CARDBUS_TYPE_TI1250, 779 CARDBUS_TYPE_RICOH, 780 CARDBUS_TYPE_TOPIC95, 781 CARDBUS_TYPE_TOPIC97, 782 CARDBUS_TYPE_O2MICRO, 783 CARDBUS_TYPE_ENE, 784 }; 785 786 /* 787 * Different cardbus controllers have slightly different 788 * initialization sequences etc details. List them here.. 789 */ 790 static struct cardbus_type cardbus_type[] = { 791 #ifdef CONFIG_YENTA_TI 792 [CARDBUS_TYPE_TI] = { 793 .override = ti_override, 794 .save_state = ti_save_state, 795 .restore_state = ti_restore_state, 796 .sock_init = ti_init, 797 }, 798 [CARDBUS_TYPE_TI113X] = { 799 .override = ti113x_override, 800 .save_state = ti_save_state, 801 .restore_state = ti_restore_state, 802 .sock_init = ti_init, 803 }, 804 [CARDBUS_TYPE_TI12XX] = { 805 .override = ti12xx_override, 806 .save_state = ti_save_state, 807 .restore_state = ti_restore_state, 808 .sock_init = ti_init, 809 }, 810 [CARDBUS_TYPE_TI1250] = { 811 .override = ti1250_override, 812 .save_state = ti_save_state, 813 .restore_state = ti_restore_state, 814 .sock_init = ti_init, 815 }, 816 #endif 817 #ifdef CONFIG_YENTA_RICOH 818 [CARDBUS_TYPE_RICOH] = { 819 .override = ricoh_override, 820 .save_state = ricoh_save_state, 821 .restore_state = ricoh_restore_state, 822 }, 823 #endif 824 #ifdef CONFIG_YENTA_TOSHIBA 825 [CARDBUS_TYPE_TOPIC95] = { 826 .override = topic95_override, 827 }, 828 [CARDBUS_TYPE_TOPIC97] = { 829 .override = topic97_override, 830 }, 831 #endif 832 #ifdef CONFIG_YENTA_O2 833 [CARDBUS_TYPE_O2MICRO] = { 834 .override = o2micro_override, 835 .restore_state = o2micro_restore_state, 836 }, 837 #endif 838 #ifdef CONFIG_YENTA_TI 839 [CARDBUS_TYPE_ENE] = { 840 .override = ene_override, 841 .save_state = ti_save_state, 842 .restore_state = ti_restore_state, 843 .sock_init = ti_init, 844 }, 845 #endif 846 }; 847 848 849 /* 850 * Only probe "regular" interrupts, don't 851 * touch dangerous spots like the mouse irq, 852 * because there are mice that apparently 853 * get really confused if they get fondled 854 * too intimately. 855 * 856 * Default to 11, 10, 9, 7, 6, 5, 4, 3. 857 */ 858 static u32 isa_interrupts = 0x0ef8; 859 860 static unsigned int yenta_probe_irq(struct yenta_socket *socket, u32 isa_irq_mask) 861 { 862 int i; 863 unsigned long val; 864 u32 mask; 865 866 /* 867 * Probe for usable interrupts using the force 868 * register to generate bogus card status events. 869 */ 870 cb_writel(socket, CB_SOCKET_EVENT, -1); 871 cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK); 872 exca_writeb(socket, I365_CSCINT, 0); 873 val = probe_irq_on() & isa_irq_mask; 874 for (i = 1; i < 16; i++) { 875 if (!((val >> i) & 1)) 876 continue; 877 exca_writeb(socket, I365_CSCINT, I365_CSC_STSCHG | (i << 4)); 878 cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS); 879 udelay(100); 880 cb_writel(socket, CB_SOCKET_EVENT, -1); 881 } 882 cb_writel(socket, CB_SOCKET_MASK, 0); 883 exca_writeb(socket, I365_CSCINT, 0); 884 885 mask = probe_irq_mask(val) & 0xffff; 886 887 return mask; 888 } 889 890 891 /* 892 * yenta PCI irq probing. 893 * currently only used in the TI/EnE initialization code 894 */ 895 #ifdef CONFIG_YENTA_TI 896 897 /* interrupt handler, only used during probing */ 898 static irqreturn_t yenta_probe_handler(int irq, void *dev_id) 899 { 900 struct yenta_socket *socket = (struct yenta_socket *) dev_id; 901 u8 csc; 902 u32 cb_event; 903 904 /* Clear interrupt status for the event */ 905 cb_event = cb_readl(socket, CB_SOCKET_EVENT); 906 cb_writel(socket, CB_SOCKET_EVENT, -1); 907 csc = exca_readb(socket, I365_CSC); 908 909 if (cb_event || csc) { 910 socket->probe_status = 1; 911 return IRQ_HANDLED; 912 } 913 914 return IRQ_NONE; 915 } 916 917 /* probes the PCI interrupt, use only on override functions */ 918 static int yenta_probe_cb_irq(struct yenta_socket *socket) 919 { 920 if (!socket->cb_irq) 921 return -1; 922 923 socket->probe_status = 0; 924 925 if (request_irq(socket->cb_irq, yenta_probe_handler, IRQF_SHARED, "yenta", socket)) { 926 printk(KERN_WARNING "Yenta: request_irq() in yenta_probe_cb_irq() failed!\n"); 927 return -1; 928 } 929 930 /* generate interrupt, wait */ 931 exca_writeb(socket, I365_CSCINT, I365_CSC_STSCHG); 932 cb_writel(socket, CB_SOCKET_EVENT, -1); 933 cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK); 934 cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS); 935 936 msleep(100); 937 938 /* disable interrupts */ 939 cb_writel(socket, CB_SOCKET_MASK, 0); 940 exca_writeb(socket, I365_CSCINT, 0); 941 cb_writel(socket, CB_SOCKET_EVENT, -1); 942 exca_readb(socket, I365_CSC); 943 944 free_irq(socket->cb_irq, socket); 945 946 return (int) socket->probe_status; 947 } 948 949 #endif /* CONFIG_YENTA_TI */ 950 951 952 /* 953 * Set static data that doesn't need re-initializing.. 954 */ 955 static void yenta_get_socket_capabilities(struct yenta_socket *socket, u32 isa_irq_mask) 956 { 957 socket->socket.pci_irq = socket->cb_irq; 958 if (isa_probe) 959 socket->socket.irq_mask = yenta_probe_irq(socket, isa_irq_mask); 960 else 961 socket->socket.irq_mask = 0; 962 963 printk(KERN_INFO "Yenta: ISA IRQ mask 0x%04x, PCI irq %d\n", 964 socket->socket.irq_mask, socket->cb_irq); 965 } 966 967 /* 968 * Initialize the standard cardbus registers 969 */ 970 static void yenta_config_init(struct yenta_socket *socket) 971 { 972 u16 bridge; 973 struct pci_dev *dev = socket->dev; 974 struct pci_bus_region region; 975 976 pcibios_resource_to_bus(socket->dev, ®ion, &dev->resource[0]); 977 978 config_writel(socket, CB_LEGACY_MODE_BASE, 0); 979 config_writel(socket, PCI_BASE_ADDRESS_0, region.start); 980 config_writew(socket, PCI_COMMAND, 981 PCI_COMMAND_IO | 982 PCI_COMMAND_MEMORY | 983 PCI_COMMAND_MASTER | 984 PCI_COMMAND_WAIT); 985 986 /* MAGIC NUMBERS! Fixme */ 987 config_writeb(socket, PCI_CACHE_LINE_SIZE, L1_CACHE_BYTES / 4); 988 config_writeb(socket, PCI_LATENCY_TIMER, 168); 989 config_writel(socket, PCI_PRIMARY_BUS, 990 (176 << 24) | /* sec. latency timer */ 991 (dev->subordinate->subordinate << 16) | /* subordinate bus */ 992 (dev->subordinate->secondary << 8) | /* secondary bus */ 993 dev->subordinate->primary); /* primary bus */ 994 995 /* 996 * Set up the bridging state: 997 * - enable write posting. 998 * - memory window 0 prefetchable, window 1 non-prefetchable 999 * - PCI interrupts enabled if a PCI interrupt exists.. 1000 */ 1001 bridge = config_readw(socket, CB_BRIDGE_CONTROL); 1002 bridge &= ~(CB_BRIDGE_CRST | CB_BRIDGE_PREFETCH1 | CB_BRIDGE_ISAEN | CB_BRIDGE_VGAEN); 1003 bridge |= CB_BRIDGE_PREFETCH0 | CB_BRIDGE_POSTEN; 1004 config_writew(socket, CB_BRIDGE_CONTROL, bridge); 1005 } 1006 1007 /** 1008 * yenta_fixup_parent_bridge - Fix subordinate bus# of the parent bridge 1009 * @cardbus_bridge: The PCI bus which the CardBus bridge bridges to 1010 * 1011 * Checks if devices on the bus which the CardBus bridge bridges to would be 1012 * invisible during PCI scans because of a misconfigured subordinate number 1013 * of the parent brige - some BIOSes seem to be too lazy to set it right. 1014 * Does the fixup carefully by checking how far it can go without conflicts. 1015 * See http\://bugzilla.kernel.org/show_bug.cgi?id=2944 for more information. 1016 */ 1017 static void yenta_fixup_parent_bridge(struct pci_bus *cardbus_bridge) 1018 { 1019 struct list_head *tmp; 1020 unsigned char upper_limit; 1021 /* 1022 * We only check and fix the parent bridge: All systems which need 1023 * this fixup that have been reviewed are laptops and the only bridge 1024 * which needed fixing was the parent bridge of the CardBus bridge: 1025 */ 1026 struct pci_bus *bridge_to_fix = cardbus_bridge->parent; 1027 1028 /* Check bus numbers are already set up correctly: */ 1029 if (bridge_to_fix->subordinate >= cardbus_bridge->subordinate) 1030 return; /* The subordinate number is ok, nothing to do */ 1031 1032 if (!bridge_to_fix->parent) 1033 return; /* Root bridges are ok */ 1034 1035 /* stay within the limits of the bus range of the parent: */ 1036 upper_limit = bridge_to_fix->parent->subordinate; 1037 1038 /* check the bus ranges of all silbling bridges to prevent overlap */ 1039 list_for_each(tmp, &bridge_to_fix->parent->children) { 1040 struct pci_bus * silbling = pci_bus_b(tmp); 1041 /* 1042 * If the silbling has a higher secondary bus number 1043 * and it's secondary is equal or smaller than our 1044 * current upper limit, set the new upper limit to 1045 * the bus number below the silbling's range: 1046 */ 1047 if (silbling->secondary > bridge_to_fix->subordinate 1048 && silbling->secondary <= upper_limit) 1049 upper_limit = silbling->secondary - 1; 1050 } 1051 1052 /* Show that the wanted subordinate number is not possible: */ 1053 if (cardbus_bridge->subordinate > upper_limit) 1054 printk(KERN_WARNING "Yenta: Upper limit for fixing this " 1055 "bridge's parent bridge: #%02x\n", upper_limit); 1056 1057 /* If we have room to increase the bridge's subordinate number, */ 1058 if (bridge_to_fix->subordinate < upper_limit) { 1059 1060 /* use the highest number of the hidden bus, within limits */ 1061 unsigned char subordinate_to_assign = 1062 min(cardbus_bridge->subordinate, upper_limit); 1063 1064 printk(KERN_INFO "Yenta: Raising subordinate bus# of parent " 1065 "bus (#%02x) from #%02x to #%02x\n", 1066 bridge_to_fix->number, 1067 bridge_to_fix->subordinate, subordinate_to_assign); 1068 1069 /* Save the new subordinate in the bus struct of the bridge */ 1070 bridge_to_fix->subordinate = subordinate_to_assign; 1071 1072 /* and update the PCI config space with the new subordinate */ 1073 pci_write_config_byte(bridge_to_fix->self, 1074 PCI_SUBORDINATE_BUS, bridge_to_fix->subordinate); 1075 } 1076 } 1077 1078 /* 1079 * Initialize a cardbus controller. Make sure we have a usable 1080 * interrupt, and that we can map the cardbus area. Fill in the 1081 * socket information structure.. 1082 */ 1083 static int __devinit yenta_probe (struct pci_dev *dev, const struct pci_device_id *id) 1084 { 1085 struct yenta_socket *socket; 1086 int ret; 1087 1088 /* 1089 * If we failed to assign proper bus numbers for this cardbus 1090 * controller during PCI probe, its subordinate pci_bus is NULL. 1091 * Bail out if so. 1092 */ 1093 if (!dev->subordinate) { 1094 printk(KERN_ERR "Yenta: no bus associated with %s! " 1095 "(try 'pci=assign-busses')\n", pci_name(dev)); 1096 return -ENODEV; 1097 } 1098 1099 socket = kzalloc(sizeof(struct yenta_socket), GFP_KERNEL); 1100 if (!socket) 1101 return -ENOMEM; 1102 1103 /* prepare pcmcia_socket */ 1104 socket->socket.ops = ¥ta_socket_operations; 1105 socket->socket.resource_ops = &pccard_nonstatic_ops; 1106 socket->socket.dev.parent = &dev->dev; 1107 socket->socket.driver_data = socket; 1108 socket->socket.owner = THIS_MODULE; 1109 socket->socket.features = SS_CAP_PAGE_REGS | SS_CAP_PCCARD; 1110 socket->socket.map_size = 0x1000; 1111 socket->socket.cb_dev = dev; 1112 1113 /* prepare struct yenta_socket */ 1114 socket->dev = dev; 1115 pci_set_drvdata(dev, socket); 1116 1117 /* 1118 * Do some basic sanity checking.. 1119 */ 1120 if (pci_enable_device(dev)) { 1121 ret = -EBUSY; 1122 goto free; 1123 } 1124 1125 ret = pci_request_regions(dev, "yenta_socket"); 1126 if (ret) 1127 goto disable; 1128 1129 if (!pci_resource_start(dev, 0)) { 1130 printk(KERN_ERR "No cardbus resource!\n"); 1131 ret = -ENODEV; 1132 goto release; 1133 } 1134 1135 /* 1136 * Ok, start setup.. Map the cardbus registers, 1137 * and request the IRQ. 1138 */ 1139 socket->base = ioremap(pci_resource_start(dev, 0), 0x1000); 1140 if (!socket->base) { 1141 ret = -ENOMEM; 1142 goto release; 1143 } 1144 1145 /* 1146 * report the subsystem vendor and device for help debugging 1147 * the irq stuff... 1148 */ 1149 printk(KERN_INFO "Yenta: CardBus bridge found at %s [%04x:%04x]\n", 1150 pci_name(dev), dev->subsystem_vendor, dev->subsystem_device); 1151 1152 yenta_config_init(socket); 1153 1154 /* Disable all events */ 1155 cb_writel(socket, CB_SOCKET_MASK, 0x0); 1156 1157 /* Set up the bridge regions.. */ 1158 yenta_allocate_resources(socket); 1159 1160 socket->cb_irq = dev->irq; 1161 1162 /* Do we have special options for the device? */ 1163 if (id->driver_data != CARDBUS_TYPE_DEFAULT && 1164 id->driver_data < ARRAY_SIZE(cardbus_type)) { 1165 socket->type = &cardbus_type[id->driver_data]; 1166 1167 ret = socket->type->override(socket); 1168 if (ret < 0) 1169 goto unmap; 1170 } 1171 1172 /* We must finish initialization here */ 1173 1174 if (!socket->cb_irq || request_irq(socket->cb_irq, yenta_interrupt, IRQF_SHARED, "yenta", socket)) { 1175 /* No IRQ or request_irq failed. Poll */ 1176 socket->cb_irq = 0; /* But zero is a valid IRQ number. */ 1177 init_timer(&socket->poll_timer); 1178 socket->poll_timer.function = yenta_interrupt_wrapper; 1179 socket->poll_timer.data = (unsigned long)socket; 1180 socket->poll_timer.expires = jiffies + HZ; 1181 add_timer(&socket->poll_timer); 1182 printk(KERN_INFO "Yenta: no PCI IRQ, CardBus support disabled for this socket.\n" 1183 KERN_INFO "Yenta: check your BIOS CardBus, BIOS IRQ or ACPI settings.\n"); 1184 } else { 1185 socket->socket.features |= SS_CAP_CARDBUS; 1186 } 1187 1188 /* Figure out what the dang thing can do for the PCMCIA layer... */ 1189 yenta_interrogate(socket); 1190 yenta_get_socket_capabilities(socket, isa_interrupts); 1191 printk(KERN_INFO "Socket status: %08x\n", cb_readl(socket, CB_SOCKET_STATE)); 1192 1193 yenta_fixup_parent_bridge(dev->subordinate); 1194 1195 /* Register it with the pcmcia layer.. */ 1196 ret = pcmcia_register_socket(&socket->socket); 1197 if (ret == 0) { 1198 /* Add the yenta register attributes */ 1199 ret = device_create_file(&dev->dev, &dev_attr_yenta_registers); 1200 if (ret == 0) 1201 goto out; 1202 1203 /* error path... */ 1204 pcmcia_unregister_socket(&socket->socket); 1205 } 1206 1207 unmap: 1208 iounmap(socket->base); 1209 release: 1210 pci_release_regions(dev); 1211 disable: 1212 pci_disable_device(dev); 1213 free: 1214 kfree(socket); 1215 out: 1216 return ret; 1217 } 1218 1219 #ifdef CONFIG_PM 1220 static int yenta_dev_suspend (struct pci_dev *dev, pm_message_t state) 1221 { 1222 struct yenta_socket *socket = pci_get_drvdata(dev); 1223 int ret; 1224 1225 ret = pcmcia_socket_dev_suspend(&dev->dev, state); 1226 1227 if (socket) { 1228 if (socket->type && socket->type->save_state) 1229 socket->type->save_state(socket); 1230 1231 /* FIXME: pci_save_state needs to have a better interface */ 1232 pci_save_state(dev); 1233 pci_read_config_dword(dev, 16*4, &socket->saved_state[0]); 1234 pci_read_config_dword(dev, 17*4, &socket->saved_state[1]); 1235 pci_disable_device(dev); 1236 1237 /* 1238 * Some laptops (IBM T22) do not like us putting the Cardbus 1239 * bridge into D3. At a guess, some other laptop will 1240 * probably require this, so leave it commented out for now. 1241 */ 1242 /* pci_set_power_state(dev, 3); */ 1243 } 1244 1245 return ret; 1246 } 1247 1248 1249 static int yenta_dev_resume (struct pci_dev *dev) 1250 { 1251 struct yenta_socket *socket = pci_get_drvdata(dev); 1252 1253 if (socket) { 1254 int rc; 1255 1256 pci_set_power_state(dev, 0); 1257 /* FIXME: pci_restore_state needs to have a better interface */ 1258 pci_restore_state(dev); 1259 pci_write_config_dword(dev, 16*4, socket->saved_state[0]); 1260 pci_write_config_dword(dev, 17*4, socket->saved_state[1]); 1261 1262 rc = pci_enable_device(dev); 1263 if (rc) 1264 return rc; 1265 1266 pci_set_master(dev); 1267 1268 if (socket->type && socket->type->restore_state) 1269 socket->type->restore_state(socket); 1270 } 1271 1272 return pcmcia_socket_dev_resume(&dev->dev); 1273 } 1274 #endif 1275 1276 #define CB_ID(vend,dev,type) \ 1277 { \ 1278 .vendor = vend, \ 1279 .device = dev, \ 1280 .subvendor = PCI_ANY_ID, \ 1281 .subdevice = PCI_ANY_ID, \ 1282 .class = PCI_CLASS_BRIDGE_CARDBUS << 8, \ 1283 .class_mask = ~0, \ 1284 .driver_data = CARDBUS_TYPE_##type, \ 1285 } 1286 1287 static struct pci_device_id yenta_table [] = { 1288 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1031, TI), 1289 1290 /* 1291 * TBD: Check if these TI variants can use more 1292 * advanced overrides instead. (I can't get the 1293 * data sheets for these devices. --rmk) 1294 */ 1295 #ifdef CONFIG_YENTA_TI 1296 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1210, TI), 1297 1298 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1130, TI113X), 1299 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1131, TI113X), 1300 1301 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1211, TI12XX), 1302 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1220, TI12XX), 1303 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1221, TI12XX), 1304 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1225, TI12XX), 1305 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251A, TI12XX), 1306 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251B, TI12XX), 1307 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1420, TI12XX), 1308 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1450, TI12XX), 1309 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1451A, TI12XX), 1310 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1510, TI12XX), 1311 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1520, TI12XX), 1312 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1620, TI12XX), 1313 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4410, TI12XX), 1314 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4450, TI12XX), 1315 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4451, TI12XX), 1316 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4510, TI12XX), 1317 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4520, TI12XX), 1318 1319 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1250, TI1250), 1320 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1410, TI1250), 1321 1322 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX21_XX11, TI12XX), 1323 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X515, TI12XX), 1324 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX12, TI12XX), 1325 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X420, TI12XX), 1326 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X620, TI12XX), 1327 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7410, TI12XX), 1328 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7510, TI12XX), 1329 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7610, TI12XX), 1330 1331 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_710, TI12XX), 1332 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_712, TI12XX), 1333 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_720, TI12XX), 1334 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_722, TI12XX), 1335 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1211, ENE), 1336 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1225, ENE), 1337 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1410, ENE), 1338 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1420, ENE), 1339 #endif /* CONFIG_YENTA_TI */ 1340 1341 #ifdef CONFIG_YENTA_RICOH 1342 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C465, RICOH), 1343 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C466, RICOH), 1344 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C475, RICOH), 1345 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C476, RICOH), 1346 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C478, RICOH), 1347 #endif 1348 1349 #ifdef CONFIG_YENTA_TOSHIBA 1350 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC95, TOPIC95), 1351 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC97, TOPIC97), 1352 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC100, TOPIC97), 1353 #endif 1354 1355 #ifdef CONFIG_YENTA_O2 1356 CB_ID(PCI_VENDOR_ID_O2, PCI_ANY_ID, O2MICRO), 1357 #endif 1358 1359 /* match any cardbus bridge */ 1360 CB_ID(PCI_ANY_ID, PCI_ANY_ID, DEFAULT), 1361 { /* all zeroes */ } 1362 }; 1363 MODULE_DEVICE_TABLE(pci, yenta_table); 1364 1365 1366 static struct pci_driver yenta_cardbus_driver = { 1367 .name = "yenta_cardbus", 1368 .id_table = yenta_table, 1369 .probe = yenta_probe, 1370 .remove = __devexit_p(yenta_close), 1371 #ifdef CONFIG_PM 1372 .suspend = yenta_dev_suspend, 1373 .resume = yenta_dev_resume, 1374 #endif 1375 }; 1376 1377 1378 static int __init yenta_socket_init(void) 1379 { 1380 return pci_register_driver (¥ta_cardbus_driver); 1381 } 1382 1383 1384 static void __exit yenta_socket_exit (void) 1385 { 1386 pci_unregister_driver (¥ta_cardbus_driver); 1387 } 1388 1389 1390 module_init(yenta_socket_init); 1391 module_exit(yenta_socket_exit); 1392 1393 MODULE_LICENSE("GPL"); 1394