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 #include <hw/hw.h> 26 #include <hw/i386/pc.h> 27 #include <hw/pcmcia.h> 28 #include "block/block.h" 29 #include "sysemu/dma.h" 30 31 #include <hw/ide/internal.h> 32 33 /***********************************************************/ 34 /* CF-ATA Microdrive */ 35 36 #define METADATA_SIZE 0x20 37 38 /* DSCM-1XXXX Microdrive hard disk with CF+ II / PCMCIA interface. */ 39 typedef struct { 40 IDEBus bus; 41 PCMCIACardState card; 42 uint32_t attr_base; 43 uint32_t io_base; 44 45 /* Card state */ 46 uint8_t opt; 47 uint8_t stat; 48 uint8_t pins; 49 50 uint8_t ctrl; 51 uint16_t io; 52 uint8_t cycle; 53 } MicroDriveState; 54 55 /* Register bitfields */ 56 enum md_opt { 57 OPT_MODE_MMAP = 0, 58 OPT_MODE_IOMAP16 = 1, 59 OPT_MODE_IOMAP1 = 2, 60 OPT_MODE_IOMAP2 = 3, 61 OPT_MODE = 0x3f, 62 OPT_LEVIREQ = 0x40, 63 OPT_SRESET = 0x80, 64 }; 65 enum md_cstat { 66 STAT_INT = 0x02, 67 STAT_PWRDWN = 0x04, 68 STAT_XE = 0x10, 69 STAT_IOIS8 = 0x20, 70 STAT_SIGCHG = 0x40, 71 STAT_CHANGED = 0x80, 72 }; 73 enum md_pins { 74 PINS_MRDY = 0x02, 75 PINS_CRDY = 0x20, 76 }; 77 enum md_ctrl { 78 CTRL_IEN = 0x02, 79 CTRL_SRST = 0x04, 80 }; 81 82 static inline void md_interrupt_update(MicroDriveState *s) 83 { 84 if (!s->card.slot) 85 return; 86 87 qemu_set_irq(s->card.slot->irq, 88 !(s->stat & STAT_INT) && /* Inverted */ 89 !(s->ctrl & (CTRL_IEN | CTRL_SRST)) && 90 !(s->opt & OPT_SRESET)); 91 } 92 93 static void md_set_irq(void *opaque, int irq, int level) 94 { 95 MicroDriveState *s = opaque; 96 if (level) 97 s->stat |= STAT_INT; 98 else 99 s->stat &= ~STAT_INT; 100 101 md_interrupt_update(s); 102 } 103 104 static void md_reset(MicroDriveState *s) 105 { 106 s->opt = OPT_MODE_MMAP; 107 s->stat = 0; 108 s->pins = 0; 109 s->cycle = 0; 110 s->ctrl = 0; 111 ide_bus_reset(&s->bus); 112 } 113 114 static uint8_t md_attr_read(void *opaque, uint32_t at) 115 { 116 MicroDriveState *s = opaque; 117 if (at < s->attr_base) { 118 if (at < s->card.cis_len) 119 return s->card.cis[at]; 120 else 121 return 0x00; 122 } 123 124 at -= s->attr_base; 125 126 switch (at) { 127 case 0x00: /* Configuration Option Register */ 128 return s->opt; 129 case 0x02: /* Card Configuration Status Register */ 130 if (s->ctrl & CTRL_IEN) 131 return s->stat & ~STAT_INT; 132 else 133 return s->stat; 134 case 0x04: /* Pin Replacement Register */ 135 return (s->pins & PINS_CRDY) | 0x0c; 136 case 0x06: /* Socket and Copy Register */ 137 return 0x00; 138 #ifdef VERBOSE 139 default: 140 printf("%s: Bad attribute space register %02x\n", __FUNCTION__, at); 141 #endif 142 } 143 144 return 0; 145 } 146 147 static void md_attr_write(void *opaque, uint32_t at, uint8_t value) 148 { 149 MicroDriveState *s = opaque; 150 at -= s->attr_base; 151 152 switch (at) { 153 case 0x00: /* Configuration Option Register */ 154 s->opt = value & 0xcf; 155 if (value & OPT_SRESET) 156 md_reset(s); 157 md_interrupt_update(s); 158 break; 159 case 0x02: /* Card Configuration Status Register */ 160 if ((s->stat ^ value) & STAT_PWRDWN) 161 s->pins |= PINS_CRDY; 162 s->stat &= 0x82; 163 s->stat |= value & 0x74; 164 md_interrupt_update(s); 165 /* Word 170 in Identify Device must be equal to STAT_XE */ 166 break; 167 case 0x04: /* Pin Replacement Register */ 168 s->pins &= PINS_CRDY; 169 s->pins |= value & PINS_MRDY; 170 break; 171 case 0x06: /* Socket and Copy Register */ 172 break; 173 default: 174 printf("%s: Bad attribute space register %02x\n", __FUNCTION__, at); 175 } 176 } 177 178 static uint16_t md_common_read(void *opaque, uint32_t at) 179 { 180 MicroDriveState *s = opaque; 181 IDEState *ifs; 182 uint16_t ret; 183 at -= s->io_base; 184 185 switch (s->opt & OPT_MODE) { 186 case OPT_MODE_MMAP: 187 if ((at & ~0x3ff) == 0x400) 188 at = 0; 189 break; 190 case OPT_MODE_IOMAP16: 191 at &= 0xf; 192 break; 193 case OPT_MODE_IOMAP1: 194 if ((at & ~0xf) == 0x3f0) 195 at -= 0x3e8; 196 else if ((at & ~0xf) == 0x1f0) 197 at -= 0x1f0; 198 break; 199 case OPT_MODE_IOMAP2: 200 if ((at & ~0xf) == 0x370) 201 at -= 0x368; 202 else if ((at & ~0xf) == 0x170) 203 at -= 0x170; 204 } 205 206 switch (at) { 207 case 0x0: /* Even RD Data */ 208 case 0x8: 209 return ide_data_readw(&s->bus, 0); 210 211 /* TODO: 8-bit accesses */ 212 if (s->cycle) 213 ret = s->io >> 8; 214 else { 215 s->io = ide_data_readw(&s->bus, 0); 216 ret = s->io & 0xff; 217 } 218 s->cycle = !s->cycle; 219 return ret; 220 case 0x9: /* Odd RD Data */ 221 return s->io >> 8; 222 case 0xd: /* Error */ 223 return ide_ioport_read(&s->bus, 0x1); 224 case 0xe: /* Alternate Status */ 225 ifs = idebus_active_if(&s->bus); 226 if (ifs->bs) 227 return ifs->status; 228 else 229 return 0; 230 case 0xf: /* Device Address */ 231 ifs = idebus_active_if(&s->bus); 232 return 0xc2 | ((~ifs->select << 2) & 0x3c); 233 default: 234 return ide_ioport_read(&s->bus, at); 235 } 236 237 return 0; 238 } 239 240 static void md_common_write(void *opaque, uint32_t at, uint16_t value) 241 { 242 MicroDriveState *s = opaque; 243 at -= s->io_base; 244 245 switch (s->opt & OPT_MODE) { 246 case OPT_MODE_MMAP: 247 if ((at & ~0x3ff) == 0x400) 248 at = 0; 249 break; 250 case OPT_MODE_IOMAP16: 251 at &= 0xf; 252 break; 253 case OPT_MODE_IOMAP1: 254 if ((at & ~0xf) == 0x3f0) 255 at -= 0x3e8; 256 else if ((at & ~0xf) == 0x1f0) 257 at -= 0x1f0; 258 break; 259 case OPT_MODE_IOMAP2: 260 if ((at & ~0xf) == 0x370) 261 at -= 0x368; 262 else if ((at & ~0xf) == 0x170) 263 at -= 0x170; 264 } 265 266 switch (at) { 267 case 0x0: /* Even WR Data */ 268 case 0x8: 269 ide_data_writew(&s->bus, 0, value); 270 break; 271 272 /* TODO: 8-bit accesses */ 273 if (s->cycle) 274 ide_data_writew(&s->bus, 0, s->io | (value << 8)); 275 else 276 s->io = value & 0xff; 277 s->cycle = !s->cycle; 278 break; 279 case 0x9: 280 s->io = value & 0xff; 281 s->cycle = !s->cycle; 282 break; 283 case 0xd: /* Features */ 284 ide_ioport_write(&s->bus, 0x1, value); 285 break; 286 case 0xe: /* Device Control */ 287 s->ctrl = value; 288 if (value & CTRL_SRST) 289 md_reset(s); 290 md_interrupt_update(s); 291 break; 292 default: 293 if (s->stat & STAT_PWRDWN) { 294 s->pins |= PINS_CRDY; 295 s->stat &= ~STAT_PWRDWN; 296 } 297 ide_ioport_write(&s->bus, at, value); 298 } 299 } 300 301 static const VMStateDescription vmstate_microdrive = { 302 .name = "microdrive", 303 .version_id = 3, 304 .minimum_version_id = 0, 305 .minimum_version_id_old = 0, 306 .fields = (VMStateField []) { 307 VMSTATE_UINT8(opt, MicroDriveState), 308 VMSTATE_UINT8(stat, MicroDriveState), 309 VMSTATE_UINT8(pins, MicroDriveState), 310 VMSTATE_UINT8(ctrl, MicroDriveState), 311 VMSTATE_UINT16(io, MicroDriveState), 312 VMSTATE_UINT8(cycle, MicroDriveState), 313 VMSTATE_IDE_BUS(bus, MicroDriveState), 314 VMSTATE_IDE_DRIVES(bus.ifs, MicroDriveState), 315 VMSTATE_END_OF_LIST() 316 } 317 }; 318 319 static const uint8_t dscm1xxxx_cis[0x14a] = { 320 [0x000] = CISTPL_DEVICE, /* 5V Device Information */ 321 [0x002] = 0x03, /* Tuple length = 4 bytes */ 322 [0x004] = 0xdb, /* ID: DTYPE_FUNCSPEC, non WP, DSPEED_150NS */ 323 [0x006] = 0x01, /* Size = 2K bytes */ 324 [0x008] = CISTPL_ENDMARK, 325 326 [0x00a] = CISTPL_DEVICE_OC, /* Additional Device Information */ 327 [0x00c] = 0x04, /* Tuple length = 4 byest */ 328 [0x00e] = 0x03, /* Conditions: Ext = 0, Vcc 3.3V, MWAIT = 1 */ 329 [0x010] = 0xdb, /* ID: DTYPE_FUNCSPEC, non WP, DSPEED_150NS */ 330 [0x012] = 0x01, /* Size = 2K bytes */ 331 [0x014] = CISTPL_ENDMARK, 332 333 [0x016] = CISTPL_JEDEC_C, /* JEDEC ID */ 334 [0x018] = 0x02, /* Tuple length = 2 bytes */ 335 [0x01a] = 0xdf, /* PC Card ATA with no Vpp required */ 336 [0x01c] = 0x01, 337 338 [0x01e] = CISTPL_MANFID, /* Manufacture ID */ 339 [0x020] = 0x04, /* Tuple length = 4 bytes */ 340 [0x022] = 0xa4, /* TPLMID_MANF = 00a4 (IBM) */ 341 [0x024] = 0x00, 342 [0x026] = 0x00, /* PLMID_CARD = 0000 */ 343 [0x028] = 0x00, 344 345 [0x02a] = CISTPL_VERS_1, /* Level 1 Version */ 346 [0x02c] = 0x12, /* Tuple length = 23 bytes */ 347 [0x02e] = 0x04, /* Major Version = JEIDA 4.2 / PCMCIA 2.1 */ 348 [0x030] = 0x01, /* Minor Version = 1 */ 349 [0x032] = 'I', 350 [0x034] = 'B', 351 [0x036] = 'M', 352 [0x038] = 0x00, 353 [0x03a] = 'm', 354 [0x03c] = 'i', 355 [0x03e] = 'c', 356 [0x040] = 'r', 357 [0x042] = 'o', 358 [0x044] = 'd', 359 [0x046] = 'r', 360 [0x048] = 'i', 361 [0x04a] = 'v', 362 [0x04c] = 'e', 363 [0x04e] = 0x00, 364 [0x050] = CISTPL_ENDMARK, 365 366 [0x052] = CISTPL_FUNCID, /* Function ID */ 367 [0x054] = 0x02, /* Tuple length = 2 bytes */ 368 [0x056] = 0x04, /* TPLFID_FUNCTION = Fixed Disk */ 369 [0x058] = 0x01, /* TPLFID_SYSINIT: POST = 1, ROM = 0 */ 370 371 [0x05a] = CISTPL_FUNCE, /* Function Extension */ 372 [0x05c] = 0x02, /* Tuple length = 2 bytes */ 373 [0x05e] = 0x01, /* TPLFE_TYPE = Disk Device Interface */ 374 [0x060] = 0x01, /* TPLFE_DATA = PC Card ATA Interface */ 375 376 [0x062] = CISTPL_FUNCE, /* Function Extension */ 377 [0x064] = 0x03, /* Tuple length = 3 bytes */ 378 [0x066] = 0x02, /* TPLFE_TYPE = Basic PC Card ATA Interface */ 379 [0x068] = 0x08, /* TPLFE_DATA: Rotating, Unique, Single */ 380 [0x06a] = 0x0f, /* TPLFE_DATA: Sleep, Standby, Idle, Auto */ 381 382 [0x06c] = CISTPL_CONFIG, /* Configuration */ 383 [0x06e] = 0x05, /* Tuple length = 5 bytes */ 384 [0x070] = 0x01, /* TPCC_RASZ = 2 bytes, TPCC_RMSZ = 1 byte */ 385 [0x072] = 0x07, /* TPCC_LAST = 7 */ 386 [0x074] = 0x00, /* TPCC_RADR = 0200 */ 387 [0x076] = 0x02, 388 [0x078] = 0x0f, /* TPCC_RMSK = 200, 202, 204, 206 */ 389 390 [0x07a] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ 391 [0x07c] = 0x0b, /* Tuple length = 11 bytes */ 392 [0x07e] = 0xc0, /* TPCE_INDX = Memory Mode, Default, Iface */ 393 [0x080] = 0xc0, /* TPCE_IF = Memory, no BVDs, no WP, READY */ 394 [0x082] = 0xa1, /* TPCE_FS = Vcc only, no I/O, Memory, Misc */ 395 [0x084] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ 396 [0x086] = 0x55, /* NomV: 5.0 V */ 397 [0x088] = 0x4d, /* MinV: 4.5 V */ 398 [0x08a] = 0x5d, /* MaxV: 5.5 V */ 399 [0x08c] = 0x4e, /* Peakl: 450 mA */ 400 [0x08e] = 0x08, /* TPCE_MS = 1 window, 1 byte, Host address */ 401 [0x090] = 0x00, /* Window descriptor: Window length = 0 */ 402 [0x092] = 0x20, /* TPCE_MI: support power down mode, RW */ 403 404 [0x094] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ 405 [0x096] = 0x06, /* Tuple length = 6 bytes */ 406 [0x098] = 0x00, /* TPCE_INDX = Memory Mode, no Default */ 407 [0x09a] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ 408 [0x09c] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ 409 [0x09e] = 0xb5, /* NomV: 3.3 V */ 410 [0x0a0] = 0x1e, 411 [0x0a2] = 0x3e, /* Peakl: 350 mA */ 412 413 [0x0a4] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ 414 [0x0a6] = 0x0d, /* Tuple length = 13 bytes */ 415 [0x0a8] = 0xc1, /* TPCE_INDX = I/O and Memory Mode, Default */ 416 [0x0aa] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */ 417 [0x0ac] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */ 418 [0x0ae] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ 419 [0x0b0] = 0x55, /* NomV: 5.0 V */ 420 [0x0b2] = 0x4d, /* MinV: 4.5 V */ 421 [0x0b4] = 0x5d, /* MaxV: 5.5 V */ 422 [0x0b6] = 0x4e, /* Peakl: 450 mA */ 423 [0x0b8] = 0x64, /* TPCE_IO = 16-byte boundary, 16/8 accesses */ 424 [0x0ba] = 0xf0, /* TPCE_IR = MASK, Level, Pulse, Share */ 425 [0x0bc] = 0xff, /* IRQ0..IRQ7 supported */ 426 [0x0be] = 0xff, /* IRQ8..IRQ15 supported */ 427 [0x0c0] = 0x20, /* TPCE_MI = support power down mode */ 428 429 [0x0c2] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ 430 [0x0c4] = 0x06, /* Tuple length = 6 bytes */ 431 [0x0c6] = 0x01, /* TPCE_INDX = I/O and Memory Mode */ 432 [0x0c8] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ 433 [0x0ca] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ 434 [0x0cc] = 0xb5, /* NomV: 3.3 V */ 435 [0x0ce] = 0x1e, 436 [0x0d0] = 0x3e, /* Peakl: 350 mA */ 437 438 [0x0d2] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ 439 [0x0d4] = 0x12, /* Tuple length = 18 bytes */ 440 [0x0d6] = 0xc2, /* TPCE_INDX = I/O Primary Mode */ 441 [0x0d8] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */ 442 [0x0da] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */ 443 [0x0dc] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ 444 [0x0de] = 0x55, /* NomV: 5.0 V */ 445 [0x0e0] = 0x4d, /* MinV: 4.5 V */ 446 [0x0e2] = 0x5d, /* MaxV: 5.5 V */ 447 [0x0e4] = 0x4e, /* Peakl: 450 mA */ 448 [0x0e6] = 0xea, /* TPCE_IO = 1K boundary, 16/8 access, Range */ 449 [0x0e8] = 0x61, /* Range: 2 fields, 2 bytes addr, 1 byte len */ 450 [0x0ea] = 0xf0, /* Field 1 address = 0x01f0 */ 451 [0x0ec] = 0x01, 452 [0x0ee] = 0x07, /* Address block length = 8 */ 453 [0x0f0] = 0xf6, /* Field 2 address = 0x03f6 */ 454 [0x0f2] = 0x03, 455 [0x0f4] = 0x01, /* Address block length = 2 */ 456 [0x0f6] = 0xee, /* TPCE_IR = IRQ E, Level, Pulse, Share */ 457 [0x0f8] = 0x20, /* TPCE_MI = support power down mode */ 458 459 [0x0fa] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ 460 [0x0fc] = 0x06, /* Tuple length = 6 bytes */ 461 [0x0fe] = 0x02, /* TPCE_INDX = I/O Primary Mode, no Default */ 462 [0x100] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ 463 [0x102] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ 464 [0x104] = 0xb5, /* NomV: 3.3 V */ 465 [0x106] = 0x1e, 466 [0x108] = 0x3e, /* Peakl: 350 mA */ 467 468 [0x10a] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ 469 [0x10c] = 0x12, /* Tuple length = 18 bytes */ 470 [0x10e] = 0xc3, /* TPCE_INDX = I/O Secondary Mode, Default */ 471 [0x110] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */ 472 [0x112] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */ 473 [0x114] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ 474 [0x116] = 0x55, /* NomV: 5.0 V */ 475 [0x118] = 0x4d, /* MinV: 4.5 V */ 476 [0x11a] = 0x5d, /* MaxV: 5.5 V */ 477 [0x11c] = 0x4e, /* Peakl: 450 mA */ 478 [0x11e] = 0xea, /* TPCE_IO = 1K boundary, 16/8 access, Range */ 479 [0x120] = 0x61, /* Range: 2 fields, 2 byte addr, 1 byte len */ 480 [0x122] = 0x70, /* Field 1 address = 0x0170 */ 481 [0x124] = 0x01, 482 [0x126] = 0x07, /* Address block length = 8 */ 483 [0x128] = 0x76, /* Field 2 address = 0x0376 */ 484 [0x12a] = 0x03, 485 [0x12c] = 0x01, /* Address block length = 2 */ 486 [0x12e] = 0xee, /* TPCE_IR = IRQ E, Level, Pulse, Share */ 487 [0x130] = 0x20, /* TPCE_MI = support power down mode */ 488 489 [0x132] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ 490 [0x134] = 0x06, /* Tuple length = 6 bytes */ 491 [0x136] = 0x03, /* TPCE_INDX = I/O Secondary Mode */ 492 [0x138] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ 493 [0x13a] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ 494 [0x13c] = 0xb5, /* NomV: 3.3 V */ 495 [0x13e] = 0x1e, 496 [0x140] = 0x3e, /* Peakl: 350 mA */ 497 498 [0x142] = CISTPL_NO_LINK, /* No Link */ 499 [0x144] = 0x00, /* Tuple length = 0 bytes */ 500 501 [0x146] = CISTPL_END, /* Tuple End */ 502 }; 503 504 static int dscm1xxxx_attach(void *opaque) 505 { 506 MicroDriveState *md = opaque; 507 md->card.attr_read = md_attr_read; 508 md->card.attr_write = md_attr_write; 509 md->card.common_read = md_common_read; 510 md->card.common_write = md_common_write; 511 md->card.io_read = md_common_read; 512 md->card.io_write = md_common_write; 513 514 md->attr_base = md->card.cis[0x74] | (md->card.cis[0x76] << 8); 515 md->io_base = 0x0; 516 517 md_reset(md); 518 md_interrupt_update(md); 519 520 md->card.slot->card_string = "DSCM-1xxxx Hitachi Microdrive"; 521 return 0; 522 } 523 524 static int dscm1xxxx_detach(void *opaque) 525 { 526 MicroDriveState *md = opaque; 527 md_reset(md); 528 return 0; 529 } 530 531 PCMCIACardState *dscm1xxxx_init(DriveInfo *bdrv) 532 { 533 MicroDriveState *md = (MicroDriveState *) g_malloc0(sizeof(MicroDriveState)); 534 md->card.state = md; 535 md->card.attach = dscm1xxxx_attach; 536 md->card.detach = dscm1xxxx_detach; 537 md->card.cis = dscm1xxxx_cis; 538 md->card.cis_len = sizeof(dscm1xxxx_cis); 539 540 ide_init2_with_non_qdev_drives(&md->bus, bdrv, NULL, 541 qemu_allocate_irqs(md_set_irq, md, 1)[0]); 542 md->bus.ifs[0].drive_kind = IDE_CFATA; 543 md->bus.ifs[0].mdata_size = METADATA_SIZE; 544 md->bus.ifs[0].mdata_storage = (uint8_t *) g_malloc0(METADATA_SIZE); 545 546 vmstate_register(NULL, -1, &vmstate_microdrive, md); 547 548 return &md->card; 549 } 550