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