1 /* 2 * QEMU IDE Emulation: microdrive (CF / PCMCIA) 3 * 4 * Copyright (c) 2003 Fabrice Bellard 5 * Copyright (c) 2006 Openedhand Ltd. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a copy 8 * of this software and associated documentation files (the "Software"), to deal 9 * in the Software without restriction, including without limitation the rights 10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 11 * copies of the Software, and to permit persons to whom the Software is 12 * furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in 15 * all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 23 * THE SOFTWARE. 24 */ 25 26 #include "qemu/osdep.h" 27 #include "hw/hw.h" 28 #include "hw/pcmcia.h" 29 #include "qemu/module.h" 30 #include "sysemu/dma.h" 31 32 #include "hw/ide/internal.h" 33 34 #define TYPE_MICRODRIVE "microdrive" 35 #define MICRODRIVE(obj) OBJECT_CHECK(MicroDriveState, (obj), TYPE_MICRODRIVE) 36 37 /***********************************************************/ 38 /* CF-ATA Microdrive */ 39 40 #define METADATA_SIZE 0x20 41 42 /* DSCM-1XXXX Microdrive hard disk with CF+ II / PCMCIA interface. */ 43 44 typedef struct MicroDriveState { 45 /*< private >*/ 46 PCMCIACardState parent_obj; 47 /*< public >*/ 48 49 IDEBus bus; 50 uint32_t attr_base; 51 uint32_t io_base; 52 53 /* Card state */ 54 uint8_t opt; 55 uint8_t stat; 56 uint8_t pins; 57 58 uint8_t ctrl; 59 uint16_t io; 60 uint8_t cycle; 61 } MicroDriveState; 62 63 /* Register bitfields */ 64 enum md_opt { 65 OPT_MODE_MMAP = 0, 66 OPT_MODE_IOMAP16 = 1, 67 OPT_MODE_IOMAP1 = 2, 68 OPT_MODE_IOMAP2 = 3, 69 OPT_MODE = 0x3f, 70 OPT_LEVIREQ = 0x40, 71 OPT_SRESET = 0x80, 72 }; 73 enum md_cstat { 74 STAT_INT = 0x02, 75 STAT_PWRDWN = 0x04, 76 STAT_XE = 0x10, 77 STAT_IOIS8 = 0x20, 78 STAT_SIGCHG = 0x40, 79 STAT_CHANGED = 0x80, 80 }; 81 enum md_pins { 82 PINS_MRDY = 0x02, 83 PINS_CRDY = 0x20, 84 }; 85 enum md_ctrl { 86 CTRL_IEN = 0x02, 87 CTRL_SRST = 0x04, 88 }; 89 90 static inline void md_interrupt_update(MicroDriveState *s) 91 { 92 PCMCIACardState *card = PCMCIA_CARD(s); 93 94 if (card->slot == NULL) { 95 return; 96 } 97 98 qemu_set_irq(card->slot->irq, 99 !(s->stat & STAT_INT) && /* Inverted */ 100 !(s->ctrl & (CTRL_IEN | CTRL_SRST)) && 101 !(s->opt & OPT_SRESET)); 102 } 103 104 static void md_set_irq(void *opaque, int irq, int level) 105 { 106 MicroDriveState *s = opaque; 107 108 if (level) { 109 s->stat |= STAT_INT; 110 } else { 111 s->stat &= ~STAT_INT; 112 } 113 114 md_interrupt_update(s); 115 } 116 117 static void md_reset(DeviceState *dev) 118 { 119 MicroDriveState *s = MICRODRIVE(dev); 120 121 s->opt = OPT_MODE_MMAP; 122 s->stat = 0; 123 s->pins = 0; 124 s->cycle = 0; 125 s->ctrl = 0; 126 ide_bus_reset(&s->bus); 127 } 128 129 static uint8_t md_attr_read(PCMCIACardState *card, uint32_t at) 130 { 131 MicroDriveState *s = MICRODRIVE(card); 132 PCMCIACardClass *pcc = PCMCIA_CARD_GET_CLASS(card); 133 134 if (at < s->attr_base) { 135 if (at < pcc->cis_len) { 136 return pcc->cis[at]; 137 } else { 138 return 0x00; 139 } 140 } 141 142 at -= s->attr_base; 143 144 switch (at) { 145 case 0x00: /* Configuration Option Register */ 146 return s->opt; 147 case 0x02: /* Card Configuration Status Register */ 148 if (s->ctrl & CTRL_IEN) { 149 return s->stat & ~STAT_INT; 150 } else { 151 return s->stat; 152 } 153 case 0x04: /* Pin Replacement Register */ 154 return (s->pins & PINS_CRDY) | 0x0c; 155 case 0x06: /* Socket and Copy Register */ 156 return 0x00; 157 #ifdef VERBOSE 158 default: 159 printf("%s: Bad attribute space register %02x\n", __func__, at); 160 #endif 161 } 162 163 return 0; 164 } 165 166 static void md_attr_write(PCMCIACardState *card, uint32_t at, uint8_t value) 167 { 168 MicroDriveState *s = MICRODRIVE(card); 169 170 at -= s->attr_base; 171 172 switch (at) { 173 case 0x00: /* Configuration Option Register */ 174 s->opt = value & 0xcf; 175 if (value & OPT_SRESET) { 176 device_reset(DEVICE(s)); 177 } 178 md_interrupt_update(s); 179 break; 180 case 0x02: /* Card Configuration Status Register */ 181 if ((s->stat ^ value) & STAT_PWRDWN) { 182 s->pins |= PINS_CRDY; 183 } 184 s->stat &= 0x82; 185 s->stat |= value & 0x74; 186 md_interrupt_update(s); 187 /* Word 170 in Identify Device must be equal to STAT_XE */ 188 break; 189 case 0x04: /* Pin Replacement Register */ 190 s->pins &= PINS_CRDY; 191 s->pins |= value & PINS_MRDY; 192 break; 193 case 0x06: /* Socket and Copy Register */ 194 break; 195 default: 196 printf("%s: Bad attribute space register %02x\n", __func__, at); 197 } 198 } 199 200 static uint16_t md_common_read(PCMCIACardState *card, uint32_t at) 201 { 202 MicroDriveState *s = MICRODRIVE(card); 203 IDEState *ifs; 204 uint16_t ret; 205 at -= s->io_base; 206 207 switch (s->opt & OPT_MODE) { 208 case OPT_MODE_MMAP: 209 if ((at & ~0x3ff) == 0x400) { 210 at = 0; 211 } 212 break; 213 case OPT_MODE_IOMAP16: 214 at &= 0xf; 215 break; 216 case OPT_MODE_IOMAP1: 217 if ((at & ~0xf) == 0x3f0) { 218 at -= 0x3e8; 219 } else if ((at & ~0xf) == 0x1f0) { 220 at -= 0x1f0; 221 } 222 break; 223 case OPT_MODE_IOMAP2: 224 if ((at & ~0xf) == 0x370) { 225 at -= 0x368; 226 } else if ((at & ~0xf) == 0x170) { 227 at -= 0x170; 228 } 229 } 230 231 switch (at) { 232 case 0x0: /* Even RD Data */ 233 case 0x8: 234 return ide_data_readw(&s->bus, 0); 235 236 /* TODO: 8-bit accesses */ 237 if (s->cycle) { 238 ret = s->io >> 8; 239 } else { 240 s->io = ide_data_readw(&s->bus, 0); 241 ret = s->io & 0xff; 242 } 243 s->cycle = !s->cycle; 244 return ret; 245 case 0x9: /* Odd RD Data */ 246 return s->io >> 8; 247 case 0xd: /* Error */ 248 return ide_ioport_read(&s->bus, 0x1); 249 case 0xe: /* Alternate Status */ 250 ifs = idebus_active_if(&s->bus); 251 if (ifs->blk) { 252 return ifs->status; 253 } else { 254 return 0; 255 } 256 case 0xf: /* Device Address */ 257 ifs = idebus_active_if(&s->bus); 258 return 0xc2 | ((~ifs->select << 2) & 0x3c); 259 default: 260 return ide_ioport_read(&s->bus, at); 261 } 262 263 return 0; 264 } 265 266 static void md_common_write(PCMCIACardState *card, uint32_t at, uint16_t value) 267 { 268 MicroDriveState *s = MICRODRIVE(card); 269 at -= s->io_base; 270 271 switch (s->opt & OPT_MODE) { 272 case OPT_MODE_MMAP: 273 if ((at & ~0x3ff) == 0x400) { 274 at = 0; 275 } 276 break; 277 case OPT_MODE_IOMAP16: 278 at &= 0xf; 279 break; 280 case OPT_MODE_IOMAP1: 281 if ((at & ~0xf) == 0x3f0) { 282 at -= 0x3e8; 283 } else if ((at & ~0xf) == 0x1f0) { 284 at -= 0x1f0; 285 } 286 break; 287 case OPT_MODE_IOMAP2: 288 if ((at & ~0xf) == 0x370) { 289 at -= 0x368; 290 } else if ((at & ~0xf) == 0x170) { 291 at -= 0x170; 292 } 293 } 294 295 switch (at) { 296 case 0x0: /* Even WR Data */ 297 case 0x8: 298 ide_data_writew(&s->bus, 0, value); 299 break; 300 301 /* TODO: 8-bit accesses */ 302 if (s->cycle) { 303 ide_data_writew(&s->bus, 0, s->io | (value << 8)); 304 } else { 305 s->io = value & 0xff; 306 } 307 s->cycle = !s->cycle; 308 break; 309 case 0x9: 310 s->io = value & 0xff; 311 s->cycle = !s->cycle; 312 break; 313 case 0xd: /* Features */ 314 ide_ioport_write(&s->bus, 0x1, value); 315 break; 316 case 0xe: /* Device Control */ 317 s->ctrl = value; 318 if (value & CTRL_SRST) { 319 device_reset(DEVICE(s)); 320 } 321 md_interrupt_update(s); 322 break; 323 default: 324 if (s->stat & STAT_PWRDWN) { 325 s->pins |= PINS_CRDY; 326 s->stat &= ~STAT_PWRDWN; 327 } 328 ide_ioport_write(&s->bus, at, value); 329 } 330 } 331 332 static const VMStateDescription vmstate_microdrive = { 333 .name = "microdrive", 334 .version_id = 3, 335 .minimum_version_id = 0, 336 .fields = (VMStateField[]) { 337 VMSTATE_UINT8(opt, MicroDriveState), 338 VMSTATE_UINT8(stat, MicroDriveState), 339 VMSTATE_UINT8(pins, MicroDriveState), 340 VMSTATE_UINT8(ctrl, MicroDriveState), 341 VMSTATE_UINT16(io, MicroDriveState), 342 VMSTATE_UINT8(cycle, MicroDriveState), 343 VMSTATE_IDE_BUS(bus, MicroDriveState), 344 VMSTATE_IDE_DRIVES(bus.ifs, MicroDriveState), 345 VMSTATE_END_OF_LIST() 346 } 347 }; 348 349 static const uint8_t dscm1xxxx_cis[0x14a] = { 350 [0x000] = CISTPL_DEVICE, /* 5V Device Information */ 351 [0x002] = 0x03, /* Tuple length = 4 bytes */ 352 [0x004] = 0xdb, /* ID: DTYPE_FUNCSPEC, non WP, DSPEED_150NS */ 353 [0x006] = 0x01, /* Size = 2K bytes */ 354 [0x008] = CISTPL_ENDMARK, 355 356 [0x00a] = CISTPL_DEVICE_OC, /* Additional Device Information */ 357 [0x00c] = 0x04, /* Tuple length = 4 byest */ 358 [0x00e] = 0x03, /* Conditions: Ext = 0, Vcc 3.3V, MWAIT = 1 */ 359 [0x010] = 0xdb, /* ID: DTYPE_FUNCSPEC, non WP, DSPEED_150NS */ 360 [0x012] = 0x01, /* Size = 2K bytes */ 361 [0x014] = CISTPL_ENDMARK, 362 363 [0x016] = CISTPL_JEDEC_C, /* JEDEC ID */ 364 [0x018] = 0x02, /* Tuple length = 2 bytes */ 365 [0x01a] = 0xdf, /* PC Card ATA with no Vpp required */ 366 [0x01c] = 0x01, 367 368 [0x01e] = CISTPL_MANFID, /* Manufacture ID */ 369 [0x020] = 0x04, /* Tuple length = 4 bytes */ 370 [0x022] = 0xa4, /* TPLMID_MANF = 00a4 (IBM) */ 371 [0x024] = 0x00, 372 [0x026] = 0x00, /* PLMID_CARD = 0000 */ 373 [0x028] = 0x00, 374 375 [0x02a] = CISTPL_VERS_1, /* Level 1 Version */ 376 [0x02c] = 0x12, /* Tuple length = 23 bytes */ 377 [0x02e] = 0x04, /* Major Version = JEIDA 4.2 / PCMCIA 2.1 */ 378 [0x030] = 0x01, /* Minor Version = 1 */ 379 [0x032] = 'I', 380 [0x034] = 'B', 381 [0x036] = 'M', 382 [0x038] = 0x00, 383 [0x03a] = 'm', 384 [0x03c] = 'i', 385 [0x03e] = 'c', 386 [0x040] = 'r', 387 [0x042] = 'o', 388 [0x044] = 'd', 389 [0x046] = 'r', 390 [0x048] = 'i', 391 [0x04a] = 'v', 392 [0x04c] = 'e', 393 [0x04e] = 0x00, 394 [0x050] = CISTPL_ENDMARK, 395 396 [0x052] = CISTPL_FUNCID, /* Function ID */ 397 [0x054] = 0x02, /* Tuple length = 2 bytes */ 398 [0x056] = 0x04, /* TPLFID_FUNCTION = Fixed Disk */ 399 [0x058] = 0x01, /* TPLFID_SYSINIT: POST = 1, ROM = 0 */ 400 401 [0x05a] = CISTPL_FUNCE, /* Function Extension */ 402 [0x05c] = 0x02, /* Tuple length = 2 bytes */ 403 [0x05e] = 0x01, /* TPLFE_TYPE = Disk Device Interface */ 404 [0x060] = 0x01, /* TPLFE_DATA = PC Card ATA Interface */ 405 406 [0x062] = CISTPL_FUNCE, /* Function Extension */ 407 [0x064] = 0x03, /* Tuple length = 3 bytes */ 408 [0x066] = 0x02, /* TPLFE_TYPE = Basic PC Card ATA Interface */ 409 [0x068] = 0x08, /* TPLFE_DATA: Rotating, Unique, Single */ 410 [0x06a] = 0x0f, /* TPLFE_DATA: Sleep, Standby, Idle, Auto */ 411 412 [0x06c] = CISTPL_CONFIG, /* Configuration */ 413 [0x06e] = 0x05, /* Tuple length = 5 bytes */ 414 [0x070] = 0x01, /* TPCC_RASZ = 2 bytes, TPCC_RMSZ = 1 byte */ 415 [0x072] = 0x07, /* TPCC_LAST = 7 */ 416 [0x074] = 0x00, /* TPCC_RADR = 0200 */ 417 [0x076] = 0x02, 418 [0x078] = 0x0f, /* TPCC_RMSK = 200, 202, 204, 206 */ 419 420 [0x07a] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ 421 [0x07c] = 0x0b, /* Tuple length = 11 bytes */ 422 [0x07e] = 0xc0, /* TPCE_INDX = Memory Mode, Default, Iface */ 423 [0x080] = 0xc0, /* TPCE_IF = Memory, no BVDs, no WP, READY */ 424 [0x082] = 0xa1, /* TPCE_FS = Vcc only, no I/O, Memory, Misc */ 425 [0x084] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ 426 [0x086] = 0x55, /* NomV: 5.0 V */ 427 [0x088] = 0x4d, /* MinV: 4.5 V */ 428 [0x08a] = 0x5d, /* MaxV: 5.5 V */ 429 [0x08c] = 0x4e, /* Peakl: 450 mA */ 430 [0x08e] = 0x08, /* TPCE_MS = 1 window, 1 byte, Host address */ 431 [0x090] = 0x00, /* Window descriptor: Window length = 0 */ 432 [0x092] = 0x20, /* TPCE_MI: support power down mode, RW */ 433 434 [0x094] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ 435 [0x096] = 0x06, /* Tuple length = 6 bytes */ 436 [0x098] = 0x00, /* TPCE_INDX = Memory Mode, no Default */ 437 [0x09a] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ 438 [0x09c] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ 439 [0x09e] = 0xb5, /* NomV: 3.3 V */ 440 [0x0a0] = 0x1e, 441 [0x0a2] = 0x3e, /* Peakl: 350 mA */ 442 443 [0x0a4] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ 444 [0x0a6] = 0x0d, /* Tuple length = 13 bytes */ 445 [0x0a8] = 0xc1, /* TPCE_INDX = I/O and Memory Mode, Default */ 446 [0x0aa] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */ 447 [0x0ac] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */ 448 [0x0ae] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ 449 [0x0b0] = 0x55, /* NomV: 5.0 V */ 450 [0x0b2] = 0x4d, /* MinV: 4.5 V */ 451 [0x0b4] = 0x5d, /* MaxV: 5.5 V */ 452 [0x0b6] = 0x4e, /* Peakl: 450 mA */ 453 [0x0b8] = 0x64, /* TPCE_IO = 16-byte boundary, 16/8 accesses */ 454 [0x0ba] = 0xf0, /* TPCE_IR = MASK, Level, Pulse, Share */ 455 [0x0bc] = 0xff, /* IRQ0..IRQ7 supported */ 456 [0x0be] = 0xff, /* IRQ8..IRQ15 supported */ 457 [0x0c0] = 0x20, /* TPCE_MI = support power down mode */ 458 459 [0x0c2] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ 460 [0x0c4] = 0x06, /* Tuple length = 6 bytes */ 461 [0x0c6] = 0x01, /* TPCE_INDX = I/O and Memory Mode */ 462 [0x0c8] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ 463 [0x0ca] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ 464 [0x0cc] = 0xb5, /* NomV: 3.3 V */ 465 [0x0ce] = 0x1e, 466 [0x0d0] = 0x3e, /* Peakl: 350 mA */ 467 468 [0x0d2] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ 469 [0x0d4] = 0x12, /* Tuple length = 18 bytes */ 470 [0x0d6] = 0xc2, /* TPCE_INDX = I/O Primary Mode */ 471 [0x0d8] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */ 472 [0x0da] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */ 473 [0x0dc] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ 474 [0x0de] = 0x55, /* NomV: 5.0 V */ 475 [0x0e0] = 0x4d, /* MinV: 4.5 V */ 476 [0x0e2] = 0x5d, /* MaxV: 5.5 V */ 477 [0x0e4] = 0x4e, /* Peakl: 450 mA */ 478 [0x0e6] = 0xea, /* TPCE_IO = 1K boundary, 16/8 access, Range */ 479 [0x0e8] = 0x61, /* Range: 2 fields, 2 bytes addr, 1 byte len */ 480 [0x0ea] = 0xf0, /* Field 1 address = 0x01f0 */ 481 [0x0ec] = 0x01, 482 [0x0ee] = 0x07, /* Address block length = 8 */ 483 [0x0f0] = 0xf6, /* Field 2 address = 0x03f6 */ 484 [0x0f2] = 0x03, 485 [0x0f4] = 0x01, /* Address block length = 2 */ 486 [0x0f6] = 0xee, /* TPCE_IR = IRQ E, Level, Pulse, Share */ 487 [0x0f8] = 0x20, /* TPCE_MI = support power down mode */ 488 489 [0x0fa] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ 490 [0x0fc] = 0x06, /* Tuple length = 6 bytes */ 491 [0x0fe] = 0x02, /* TPCE_INDX = I/O Primary Mode, no Default */ 492 [0x100] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ 493 [0x102] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ 494 [0x104] = 0xb5, /* NomV: 3.3 V */ 495 [0x106] = 0x1e, 496 [0x108] = 0x3e, /* Peakl: 350 mA */ 497 498 [0x10a] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ 499 [0x10c] = 0x12, /* Tuple length = 18 bytes */ 500 [0x10e] = 0xc3, /* TPCE_INDX = I/O Secondary Mode, Default */ 501 [0x110] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */ 502 [0x112] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */ 503 [0x114] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ 504 [0x116] = 0x55, /* NomV: 5.0 V */ 505 [0x118] = 0x4d, /* MinV: 4.5 V */ 506 [0x11a] = 0x5d, /* MaxV: 5.5 V */ 507 [0x11c] = 0x4e, /* Peakl: 450 mA */ 508 [0x11e] = 0xea, /* TPCE_IO = 1K boundary, 16/8 access, Range */ 509 [0x120] = 0x61, /* Range: 2 fields, 2 byte addr, 1 byte len */ 510 [0x122] = 0x70, /* Field 1 address = 0x0170 */ 511 [0x124] = 0x01, 512 [0x126] = 0x07, /* Address block length = 8 */ 513 [0x128] = 0x76, /* Field 2 address = 0x0376 */ 514 [0x12a] = 0x03, 515 [0x12c] = 0x01, /* Address block length = 2 */ 516 [0x12e] = 0xee, /* TPCE_IR = IRQ E, Level, Pulse, Share */ 517 [0x130] = 0x20, /* TPCE_MI = support power down mode */ 518 519 [0x132] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ 520 [0x134] = 0x06, /* Tuple length = 6 bytes */ 521 [0x136] = 0x03, /* TPCE_INDX = I/O Secondary Mode */ 522 [0x138] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ 523 [0x13a] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ 524 [0x13c] = 0xb5, /* NomV: 3.3 V */ 525 [0x13e] = 0x1e, 526 [0x140] = 0x3e, /* Peakl: 350 mA */ 527 528 [0x142] = CISTPL_NO_LINK, /* No Link */ 529 [0x144] = 0x00, /* Tuple length = 0 bytes */ 530 531 [0x146] = CISTPL_END, /* Tuple End */ 532 }; 533 534 #define TYPE_DSCM1XXXX "dscm1xxxx" 535 536 static int dscm1xxxx_attach(PCMCIACardState *card) 537 { 538 MicroDriveState *md = MICRODRIVE(card); 539 PCMCIACardClass *pcc = PCMCIA_CARD_GET_CLASS(card); 540 541 md->attr_base = pcc->cis[0x74] | (pcc->cis[0x76] << 8); 542 md->io_base = 0x0; 543 544 device_reset(DEVICE(md)); 545 md_interrupt_update(md); 546 547 return 0; 548 } 549 550 static int dscm1xxxx_detach(PCMCIACardState *card) 551 { 552 MicroDriveState *md = MICRODRIVE(card); 553 554 device_reset(DEVICE(md)); 555 return 0; 556 } 557 558 PCMCIACardState *dscm1xxxx_init(DriveInfo *dinfo) 559 { 560 MicroDriveState *md; 561 562 md = MICRODRIVE(object_new(TYPE_DSCM1XXXX)); 563 qdev_init_nofail(DEVICE(md)); 564 565 if (dinfo != NULL) { 566 ide_create_drive(&md->bus, 0, dinfo); 567 } 568 md->bus.ifs[0].drive_kind = IDE_CFATA; 569 md->bus.ifs[0].mdata_size = METADATA_SIZE; 570 md->bus.ifs[0].mdata_storage = g_malloc0(METADATA_SIZE); 571 572 return PCMCIA_CARD(md); 573 } 574 575 static void dscm1xxxx_class_init(ObjectClass *oc, void *data) 576 { 577 PCMCIACardClass *pcc = PCMCIA_CARD_CLASS(oc); 578 DeviceClass *dc = DEVICE_CLASS(oc); 579 580 pcc->cis = dscm1xxxx_cis; 581 pcc->cis_len = sizeof(dscm1xxxx_cis); 582 583 pcc->attach = dscm1xxxx_attach; 584 pcc->detach = dscm1xxxx_detach; 585 /* Reason: Needs to be wired-up in code, see dscm1xxxx_init() */ 586 dc->user_creatable = false; 587 } 588 589 static const TypeInfo dscm1xxxx_type_info = { 590 .name = TYPE_DSCM1XXXX, 591 .parent = TYPE_MICRODRIVE, 592 .class_init = dscm1xxxx_class_init, 593 }; 594 595 static void microdrive_realize(DeviceState *dev, Error **errp) 596 { 597 MicroDriveState *md = MICRODRIVE(dev); 598 599 ide_init2(&md->bus, qemu_allocate_irq(md_set_irq, md, 0)); 600 } 601 602 static void microdrive_init(Object *obj) 603 { 604 MicroDriveState *md = MICRODRIVE(obj); 605 606 ide_bus_new(&md->bus, sizeof(md->bus), DEVICE(obj), 0, 1); 607 } 608 609 static void microdrive_class_init(ObjectClass *oc, void *data) 610 { 611 DeviceClass *dc = DEVICE_CLASS(oc); 612 PCMCIACardClass *pcc = PCMCIA_CARD_CLASS(oc); 613 614 pcc->attr_read = md_attr_read; 615 pcc->attr_write = md_attr_write; 616 pcc->common_read = md_common_read; 617 pcc->common_write = md_common_write; 618 pcc->io_read = md_common_read; 619 pcc->io_write = md_common_write; 620 621 dc->realize = microdrive_realize; 622 dc->reset = md_reset; 623 dc->vmsd = &vmstate_microdrive; 624 } 625 626 static const TypeInfo microdrive_type_info = { 627 .name = TYPE_MICRODRIVE, 628 .parent = TYPE_PCMCIA_CARD, 629 .instance_size = sizeof(MicroDriveState), 630 .instance_init = microdrive_init, 631 .abstract = true, 632 .class_init = microdrive_class_init, 633 }; 634 635 static void microdrive_register_types(void) 636 { 637 type_register_static(µdrive_type_info); 638 type_register_static(&dscm1xxxx_type_info); 639 } 640 641 type_init(microdrive_register_types) 642