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/pcmcia.h" 28 #include "migration/vmstate.h" 29 #include "qapi/error.h" 30 #include "qemu/module.h" 31 #include "sysemu/dma.h" 32 #include "hw/irq.h" 33 34 #include "hw/ide/internal.h" 35 #include "qom/object.h" 36 37 #define TYPE_MICRODRIVE "microdrive" 38 OBJECT_DECLARE_SIMPLE_TYPE(MicroDriveState, MICRODRIVE) 39 40 /***********************************************************/ 41 /* CF-ATA Microdrive */ 42 43 #define METADATA_SIZE 0x20 44 45 /* DSCM-1XXXX Microdrive hard disk with CF+ II / PCMCIA interface. */ 46 47 struct MicroDriveState { 48 /*< private >*/ 49 PCMCIACardState parent_obj; 50 /*< public >*/ 51 52 IDEBus bus; 53 uint32_t attr_base; 54 uint32_t io_base; 55 56 /* Card state */ 57 uint8_t opt; 58 uint8_t stat; 59 uint8_t pins; 60 61 uint8_t ctrl; 62 uint16_t io; 63 uint8_t cycle; 64 }; 65 66 /* Register bitfields */ 67 enum md_opt { 68 OPT_MODE_MMAP = 0, 69 OPT_MODE_IOMAP16 = 1, 70 OPT_MODE_IOMAP1 = 2, 71 OPT_MODE_IOMAP2 = 3, 72 OPT_MODE = 0x3f, 73 OPT_LEVIREQ = 0x40, 74 OPT_SRESET = 0x80, 75 }; 76 enum md_cstat { 77 STAT_INT = 0x02, 78 STAT_PWRDWN = 0x04, 79 STAT_XE = 0x10, 80 STAT_IOIS8 = 0x20, 81 STAT_SIGCHG = 0x40, 82 STAT_CHANGED = 0x80, 83 }; 84 enum md_pins { 85 PINS_MRDY = 0x02, 86 PINS_CRDY = 0x20, 87 }; 88 enum md_ctrl { 89 CTRL_IEN = 0x02, 90 CTRL_SRST = 0x04, 91 }; 92 93 static inline void md_interrupt_update(MicroDriveState *s) 94 { 95 PCMCIACardState *card = PCMCIA_CARD(s); 96 97 if (card->slot == NULL) { 98 return; 99 } 100 101 qemu_set_irq(card->slot->irq, 102 !(s->stat & STAT_INT) && /* Inverted */ 103 !(s->ctrl & (CTRL_IEN | CTRL_SRST)) && 104 !(s->opt & OPT_SRESET)); 105 } 106 107 static void md_set_irq(void *opaque, int irq, int level) 108 { 109 MicroDriveState *s = opaque; 110 111 if (level) { 112 s->stat |= STAT_INT; 113 } else { 114 s->stat &= ~STAT_INT; 115 } 116 117 md_interrupt_update(s); 118 } 119 120 static void md_reset(DeviceState *dev) 121 { 122 MicroDriveState *s = MICRODRIVE(dev); 123 124 s->opt = OPT_MODE_MMAP; 125 s->stat = 0; 126 s->pins = 0; 127 s->cycle = 0; 128 s->ctrl = 0; 129 ide_bus_reset(&s->bus); 130 } 131 132 static uint8_t md_attr_read(PCMCIACardState *card, uint32_t at) 133 { 134 MicroDriveState *s = MICRODRIVE(card); 135 PCMCIACardClass *pcc = PCMCIA_CARD_GET_CLASS(card); 136 137 if (at < s->attr_base) { 138 if (at < pcc->cis_len) { 139 return pcc->cis[at]; 140 } else { 141 return 0x00; 142 } 143 } 144 145 at -= s->attr_base; 146 147 switch (at) { 148 case 0x00: /* Configuration Option Register */ 149 return s->opt; 150 case 0x02: /* Card Configuration Status Register */ 151 if (s->ctrl & CTRL_IEN) { 152 return s->stat & ~STAT_INT; 153 } else { 154 return s->stat; 155 } 156 case 0x04: /* Pin Replacement Register */ 157 return (s->pins & PINS_CRDY) | 0x0c; 158 case 0x06: /* Socket and Copy Register */ 159 return 0x00; 160 #ifdef VERBOSE 161 default: 162 printf("%s: Bad attribute space register %02x\n", __func__, at); 163 #endif 164 } 165 166 return 0; 167 } 168 169 static void md_attr_write(PCMCIACardState *card, uint32_t at, uint8_t value) 170 { 171 MicroDriveState *s = MICRODRIVE(card); 172 173 at -= s->attr_base; 174 175 switch (at) { 176 case 0x00: /* Configuration Option Register */ 177 s->opt = value & 0xcf; 178 if (value & OPT_SRESET) { 179 device_cold_reset(DEVICE(s)); 180 } 181 md_interrupt_update(s); 182 break; 183 case 0x02: /* Card Configuration Status Register */ 184 if ((s->stat ^ value) & STAT_PWRDWN) { 185 s->pins |= PINS_CRDY; 186 } 187 s->stat &= 0x82; 188 s->stat |= value & 0x74; 189 md_interrupt_update(s); 190 /* Word 170 in Identify Device must be equal to STAT_XE */ 191 break; 192 case 0x04: /* Pin Replacement Register */ 193 s->pins &= PINS_CRDY; 194 s->pins |= value & PINS_MRDY; 195 break; 196 case 0x06: /* Socket and Copy Register */ 197 break; 198 default: 199 printf("%s: Bad attribute space register %02x\n", __func__, at); 200 } 201 } 202 203 static uint16_t md_common_read(PCMCIACardState *card, uint32_t at) 204 { 205 MicroDriveState *s = MICRODRIVE(card); 206 IDEState *ifs; 207 uint16_t ret; 208 at -= s->io_base; 209 210 switch (s->opt & OPT_MODE) { 211 case OPT_MODE_MMAP: 212 if ((at & ~0x3ff) == 0x400) { 213 at = 0; 214 } 215 break; 216 case OPT_MODE_IOMAP16: 217 at &= 0xf; 218 break; 219 case OPT_MODE_IOMAP1: 220 if ((at & ~0xf) == 0x3f0) { 221 at -= 0x3e8; 222 } else if ((at & ~0xf) == 0x1f0) { 223 at -= 0x1f0; 224 } 225 break; 226 case OPT_MODE_IOMAP2: 227 if ((at & ~0xf) == 0x370) { 228 at -= 0x368; 229 } else if ((at & ~0xf) == 0x170) { 230 at -= 0x170; 231 } 232 } 233 234 switch (at) { 235 case 0x0: /* Even RD Data */ 236 case 0x8: 237 return ide_data_readw(&s->bus, 0); 238 239 /* TODO: 8-bit accesses */ 240 if (s->cycle) { 241 ret = s->io >> 8; 242 } else { 243 s->io = ide_data_readw(&s->bus, 0); 244 ret = s->io & 0xff; 245 } 246 s->cycle = !s->cycle; 247 return ret; 248 case 0x9: /* Odd RD Data */ 249 return s->io >> 8; 250 case 0xd: /* Error */ 251 return ide_ioport_read(&s->bus, 0x1); 252 case 0xe: /* Alternate Status */ 253 ifs = ide_bus_active_if(&s->bus); 254 if (ifs->blk) { 255 return ifs->status; 256 } else { 257 return 0; 258 } 259 case 0xf: /* Device Address */ 260 ifs = ide_bus_active_if(&s->bus); 261 return 0xc2 | ((~ifs->select << 2) & 0x3c); 262 default: 263 return ide_ioport_read(&s->bus, at); 264 } 265 266 return 0; 267 } 268 269 static void md_common_write(PCMCIACardState *card, uint32_t at, uint16_t value) 270 { 271 MicroDriveState *s = MICRODRIVE(card); 272 at -= s->io_base; 273 274 switch (s->opt & OPT_MODE) { 275 case OPT_MODE_MMAP: 276 if ((at & ~0x3ff) == 0x400) { 277 at = 0; 278 } 279 break; 280 case OPT_MODE_IOMAP16: 281 at &= 0xf; 282 break; 283 case OPT_MODE_IOMAP1: 284 if ((at & ~0xf) == 0x3f0) { 285 at -= 0x3e8; 286 } else if ((at & ~0xf) == 0x1f0) { 287 at -= 0x1f0; 288 } 289 break; 290 case OPT_MODE_IOMAP2: 291 if ((at & ~0xf) == 0x370) { 292 at -= 0x368; 293 } else if ((at & ~0xf) == 0x170) { 294 at -= 0x170; 295 } 296 } 297 298 switch (at) { 299 case 0x0: /* Even WR Data */ 300 case 0x8: 301 ide_data_writew(&s->bus, 0, value); 302 break; 303 304 /* TODO: 8-bit accesses */ 305 if (s->cycle) { 306 ide_data_writew(&s->bus, 0, s->io | (value << 8)); 307 } else { 308 s->io = value & 0xff; 309 } 310 s->cycle = !s->cycle; 311 break; 312 case 0x9: 313 s->io = value & 0xff; 314 s->cycle = !s->cycle; 315 break; 316 case 0xd: /* Features */ 317 ide_ioport_write(&s->bus, 0x1, value); 318 break; 319 case 0xe: /* Device Control */ 320 s->ctrl = value; 321 if (value & CTRL_SRST) { 322 device_cold_reset(DEVICE(s)); 323 } 324 md_interrupt_update(s); 325 break; 326 default: 327 if (s->stat & STAT_PWRDWN) { 328 s->pins |= PINS_CRDY; 329 s->stat &= ~STAT_PWRDWN; 330 } 331 ide_ioport_write(&s->bus, at, value); 332 } 333 } 334 335 static const VMStateDescription vmstate_microdrive = { 336 .name = "microdrive", 337 .version_id = 3, 338 .minimum_version_id = 0, 339 .fields = (const VMStateField[]) { 340 VMSTATE_UINT8(opt, MicroDriveState), 341 VMSTATE_UINT8(stat, MicroDriveState), 342 VMSTATE_UINT8(pins, MicroDriveState), 343 VMSTATE_UINT8(ctrl, MicroDriveState), 344 VMSTATE_UINT16(io, MicroDriveState), 345 VMSTATE_UINT8(cycle, MicroDriveState), 346 VMSTATE_IDE_BUS(bus, MicroDriveState), 347 VMSTATE_IDE_DRIVES(bus.ifs, MicroDriveState), 348 VMSTATE_END_OF_LIST() 349 } 350 }; 351 352 static const uint8_t dscm1xxxx_cis[0x14a] = { 353 [0x000] = CISTPL_DEVICE, /* 5V Device Information */ 354 [0x002] = 0x03, /* Tuple length = 4 bytes */ 355 [0x004] = 0xdb, /* ID: DTYPE_FUNCSPEC, non WP, DSPEED_150NS */ 356 [0x006] = 0x01, /* Size = 2K bytes */ 357 [0x008] = CISTPL_ENDMARK, 358 359 [0x00a] = CISTPL_DEVICE_OC, /* Additional Device Information */ 360 [0x00c] = 0x04, /* Tuple length = 4 byest */ 361 [0x00e] = 0x03, /* Conditions: Ext = 0, Vcc 3.3V, MWAIT = 1 */ 362 [0x010] = 0xdb, /* ID: DTYPE_FUNCSPEC, non WP, DSPEED_150NS */ 363 [0x012] = 0x01, /* Size = 2K bytes */ 364 [0x014] = CISTPL_ENDMARK, 365 366 [0x016] = CISTPL_JEDEC_C, /* JEDEC ID */ 367 [0x018] = 0x02, /* Tuple length = 2 bytes */ 368 [0x01a] = 0xdf, /* PC Card ATA with no Vpp required */ 369 [0x01c] = 0x01, 370 371 [0x01e] = CISTPL_MANFID, /* Manufacture ID */ 372 [0x020] = 0x04, /* Tuple length = 4 bytes */ 373 [0x022] = 0xa4, /* TPLMID_MANF = 00a4 (IBM) */ 374 [0x024] = 0x00, 375 [0x026] = 0x00, /* PLMID_CARD = 0000 */ 376 [0x028] = 0x00, 377 378 [0x02a] = CISTPL_VERS_1, /* Level 1 Version */ 379 [0x02c] = 0x12, /* Tuple length = 23 bytes */ 380 [0x02e] = 0x04, /* Major Version = JEIDA 4.2 / PCMCIA 2.1 */ 381 [0x030] = 0x01, /* Minor Version = 1 */ 382 [0x032] = 'I', 383 [0x034] = 'B', 384 [0x036] = 'M', 385 [0x038] = 0x00, 386 [0x03a] = 'm', 387 [0x03c] = 'i', 388 [0x03e] = 'c', 389 [0x040] = 'r', 390 [0x042] = 'o', 391 [0x044] = 'd', 392 [0x046] = 'r', 393 [0x048] = 'i', 394 [0x04a] = 'v', 395 [0x04c] = 'e', 396 [0x04e] = 0x00, 397 [0x050] = CISTPL_ENDMARK, 398 399 [0x052] = CISTPL_FUNCID, /* Function ID */ 400 [0x054] = 0x02, /* Tuple length = 2 bytes */ 401 [0x056] = 0x04, /* TPLFID_FUNCTION = Fixed Disk */ 402 [0x058] = 0x01, /* TPLFID_SYSINIT: POST = 1, ROM = 0 */ 403 404 [0x05a] = CISTPL_FUNCE, /* Function Extension */ 405 [0x05c] = 0x02, /* Tuple length = 2 bytes */ 406 [0x05e] = 0x01, /* TPLFE_TYPE = Disk Device Interface */ 407 [0x060] = 0x01, /* TPLFE_DATA = PC Card ATA Interface */ 408 409 [0x062] = CISTPL_FUNCE, /* Function Extension */ 410 [0x064] = 0x03, /* Tuple length = 3 bytes */ 411 [0x066] = 0x02, /* TPLFE_TYPE = Basic PC Card ATA Interface */ 412 [0x068] = 0x08, /* TPLFE_DATA: Rotating, Unique, Single */ 413 [0x06a] = 0x0f, /* TPLFE_DATA: Sleep, Standby, Idle, Auto */ 414 415 [0x06c] = CISTPL_CONFIG, /* Configuration */ 416 [0x06e] = 0x05, /* Tuple length = 5 bytes */ 417 [0x070] = 0x01, /* TPCC_RASZ = 2 bytes, TPCC_RMSZ = 1 byte */ 418 [0x072] = 0x07, /* TPCC_LAST = 7 */ 419 [0x074] = 0x00, /* TPCC_RADR = 0200 */ 420 [0x076] = 0x02, 421 [0x078] = 0x0f, /* TPCC_RMSK = 200, 202, 204, 206 */ 422 423 [0x07a] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ 424 [0x07c] = 0x0b, /* Tuple length = 11 bytes */ 425 [0x07e] = 0xc0, /* TPCE_INDX = Memory Mode, Default, Iface */ 426 [0x080] = 0xc0, /* TPCE_IF = Memory, no BVDs, no WP, READY */ 427 [0x082] = 0xa1, /* TPCE_FS = Vcc only, no I/O, Memory, Misc */ 428 [0x084] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ 429 [0x086] = 0x55, /* NomV: 5.0 V */ 430 [0x088] = 0x4d, /* MinV: 4.5 V */ 431 [0x08a] = 0x5d, /* MaxV: 5.5 V */ 432 [0x08c] = 0x4e, /* Peakl: 450 mA */ 433 [0x08e] = 0x08, /* TPCE_MS = 1 window, 1 byte, Host address */ 434 [0x090] = 0x00, /* Window descriptor: Window length = 0 */ 435 [0x092] = 0x20, /* TPCE_MI: support power down mode, RW */ 436 437 [0x094] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ 438 [0x096] = 0x06, /* Tuple length = 6 bytes */ 439 [0x098] = 0x00, /* TPCE_INDX = Memory Mode, no Default */ 440 [0x09a] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ 441 [0x09c] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ 442 [0x09e] = 0xb5, /* NomV: 3.3 V */ 443 [0x0a0] = 0x1e, 444 [0x0a2] = 0x3e, /* Peakl: 350 mA */ 445 446 [0x0a4] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ 447 [0x0a6] = 0x0d, /* Tuple length = 13 bytes */ 448 [0x0a8] = 0xc1, /* TPCE_INDX = I/O and Memory Mode, Default */ 449 [0x0aa] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */ 450 [0x0ac] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */ 451 [0x0ae] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ 452 [0x0b0] = 0x55, /* NomV: 5.0 V */ 453 [0x0b2] = 0x4d, /* MinV: 4.5 V */ 454 [0x0b4] = 0x5d, /* MaxV: 5.5 V */ 455 [0x0b6] = 0x4e, /* Peakl: 450 mA */ 456 [0x0b8] = 0x64, /* TPCE_IO = 16-byte boundary, 16/8 accesses */ 457 [0x0ba] = 0xf0, /* TPCE_IR = MASK, Level, Pulse, Share */ 458 [0x0bc] = 0xff, /* IRQ0..IRQ7 supported */ 459 [0x0be] = 0xff, /* IRQ8..IRQ15 supported */ 460 [0x0c0] = 0x20, /* TPCE_MI = support power down mode */ 461 462 [0x0c2] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ 463 [0x0c4] = 0x06, /* Tuple length = 6 bytes */ 464 [0x0c6] = 0x01, /* TPCE_INDX = I/O and Memory Mode */ 465 [0x0c8] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ 466 [0x0ca] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ 467 [0x0cc] = 0xb5, /* NomV: 3.3 V */ 468 [0x0ce] = 0x1e, 469 [0x0d0] = 0x3e, /* Peakl: 350 mA */ 470 471 [0x0d2] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ 472 [0x0d4] = 0x12, /* Tuple length = 18 bytes */ 473 [0x0d6] = 0xc2, /* TPCE_INDX = I/O Primary Mode */ 474 [0x0d8] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */ 475 [0x0da] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */ 476 [0x0dc] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ 477 [0x0de] = 0x55, /* NomV: 5.0 V */ 478 [0x0e0] = 0x4d, /* MinV: 4.5 V */ 479 [0x0e2] = 0x5d, /* MaxV: 5.5 V */ 480 [0x0e4] = 0x4e, /* Peakl: 450 mA */ 481 [0x0e6] = 0xea, /* TPCE_IO = 1K boundary, 16/8 access, Range */ 482 [0x0e8] = 0x61, /* Range: 2 fields, 2 bytes addr, 1 byte len */ 483 [0x0ea] = 0xf0, /* Field 1 address = 0x01f0 */ 484 [0x0ec] = 0x01, 485 [0x0ee] = 0x07, /* Address block length = 8 */ 486 [0x0f0] = 0xf6, /* Field 2 address = 0x03f6 */ 487 [0x0f2] = 0x03, 488 [0x0f4] = 0x01, /* Address block length = 2 */ 489 [0x0f6] = 0xee, /* TPCE_IR = IRQ E, Level, Pulse, Share */ 490 [0x0f8] = 0x20, /* TPCE_MI = support power down mode */ 491 492 [0x0fa] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ 493 [0x0fc] = 0x06, /* Tuple length = 6 bytes */ 494 [0x0fe] = 0x02, /* TPCE_INDX = I/O Primary Mode, no Default */ 495 [0x100] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ 496 [0x102] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ 497 [0x104] = 0xb5, /* NomV: 3.3 V */ 498 [0x106] = 0x1e, 499 [0x108] = 0x3e, /* Peakl: 350 mA */ 500 501 [0x10a] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ 502 [0x10c] = 0x12, /* Tuple length = 18 bytes */ 503 [0x10e] = 0xc3, /* TPCE_INDX = I/O Secondary Mode, Default */ 504 [0x110] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */ 505 [0x112] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */ 506 [0x114] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ 507 [0x116] = 0x55, /* NomV: 5.0 V */ 508 [0x118] = 0x4d, /* MinV: 4.5 V */ 509 [0x11a] = 0x5d, /* MaxV: 5.5 V */ 510 [0x11c] = 0x4e, /* Peakl: 450 mA */ 511 [0x11e] = 0xea, /* TPCE_IO = 1K boundary, 16/8 access, Range */ 512 [0x120] = 0x61, /* Range: 2 fields, 2 byte addr, 1 byte len */ 513 [0x122] = 0x70, /* Field 1 address = 0x0170 */ 514 [0x124] = 0x01, 515 [0x126] = 0x07, /* Address block length = 8 */ 516 [0x128] = 0x76, /* Field 2 address = 0x0376 */ 517 [0x12a] = 0x03, 518 [0x12c] = 0x01, /* Address block length = 2 */ 519 [0x12e] = 0xee, /* TPCE_IR = IRQ E, Level, Pulse, Share */ 520 [0x130] = 0x20, /* TPCE_MI = support power down mode */ 521 522 [0x132] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ 523 [0x134] = 0x06, /* Tuple length = 6 bytes */ 524 [0x136] = 0x03, /* TPCE_INDX = I/O Secondary Mode */ 525 [0x138] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ 526 [0x13a] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ 527 [0x13c] = 0xb5, /* NomV: 3.3 V */ 528 [0x13e] = 0x1e, 529 [0x140] = 0x3e, /* Peakl: 350 mA */ 530 531 [0x142] = CISTPL_NO_LINK, /* No Link */ 532 [0x144] = 0x00, /* Tuple length = 0 bytes */ 533 534 [0x146] = CISTPL_END, /* Tuple End */ 535 }; 536 537 #define TYPE_DSCM1XXXX "dscm1xxxx" 538 539 static int dscm1xxxx_attach(PCMCIACardState *card) 540 { 541 MicroDriveState *md = MICRODRIVE(card); 542 PCMCIACardClass *pcc = PCMCIA_CARD_GET_CLASS(card); 543 544 md->attr_base = pcc->cis[0x74] | (pcc->cis[0x76] << 8); 545 md->io_base = 0x0; 546 547 device_cold_reset(DEVICE(md)); 548 md_interrupt_update(md); 549 550 return 0; 551 } 552 553 static int dscm1xxxx_detach(PCMCIACardState *card) 554 { 555 MicroDriveState *md = MICRODRIVE(card); 556 557 device_cold_reset(DEVICE(md)); 558 return 0; 559 } 560 561 PCMCIACardState *dscm1xxxx_init(DriveInfo *dinfo) 562 { 563 MicroDriveState *md; 564 565 md = MICRODRIVE(object_new(TYPE_DSCM1XXXX)); 566 qdev_realize(DEVICE(md), NULL, &error_fatal); 567 568 if (dinfo != NULL) { 569 ide_bus_create_drive(&md->bus, 0, dinfo); 570 } 571 md->bus.ifs[0].drive_kind = IDE_CFATA; 572 md->bus.ifs[0].mdata_size = METADATA_SIZE; 573 md->bus.ifs[0].mdata_storage = g_malloc0(METADATA_SIZE); 574 575 return PCMCIA_CARD(md); 576 } 577 578 static void dscm1xxxx_class_init(ObjectClass *oc, void *data) 579 { 580 PCMCIACardClass *pcc = PCMCIA_CARD_CLASS(oc); 581 DeviceClass *dc = DEVICE_CLASS(oc); 582 583 pcc->cis = dscm1xxxx_cis; 584 pcc->cis_len = sizeof(dscm1xxxx_cis); 585 586 pcc->attach = dscm1xxxx_attach; 587 pcc->detach = dscm1xxxx_detach; 588 /* Reason: Needs to be wired-up in code, see dscm1xxxx_init() */ 589 dc->user_creatable = false; 590 } 591 592 static const TypeInfo dscm1xxxx_type_info = { 593 .name = TYPE_DSCM1XXXX, 594 .parent = TYPE_MICRODRIVE, 595 .class_init = dscm1xxxx_class_init, 596 }; 597 598 static void microdrive_realize(DeviceState *dev, Error **errp) 599 { 600 MicroDriveState *md = MICRODRIVE(dev); 601 602 ide_bus_init_output_irq(&md->bus, qemu_allocate_irq(md_set_irq, md, 0)); 603 } 604 605 static void microdrive_init(Object *obj) 606 { 607 MicroDriveState *md = MICRODRIVE(obj); 608 609 ide_bus_init(&md->bus, sizeof(md->bus), DEVICE(obj), 0, 1); 610 } 611 612 static void microdrive_class_init(ObjectClass *oc, void *data) 613 { 614 DeviceClass *dc = DEVICE_CLASS(oc); 615 PCMCIACardClass *pcc = PCMCIA_CARD_CLASS(oc); 616 617 pcc->attr_read = md_attr_read; 618 pcc->attr_write = md_attr_write; 619 pcc->common_read = md_common_read; 620 pcc->common_write = md_common_write; 621 pcc->io_read = md_common_read; 622 pcc->io_write = md_common_write; 623 624 dc->realize = microdrive_realize; 625 dc->reset = md_reset; 626 dc->vmsd = &vmstate_microdrive; 627 } 628 629 static const TypeInfo microdrive_type_info = { 630 .name = TYPE_MICRODRIVE, 631 .parent = TYPE_PCMCIA_CARD, 632 .instance_size = sizeof(MicroDriveState), 633 .instance_init = microdrive_init, 634 .abstract = true, 635 .class_init = microdrive_class_init, 636 }; 637 638 static void microdrive_register_types(void) 639 { 640 type_register_static(µdrive_type_info); 641 type_register_static(&dscm1xxxx_type_info); 642 } 643 644 type_init(microdrive_register_types) 645