hw/ide/microdrive.c

   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 "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_legacy_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_legacy_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_legacy_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_legacy_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(&microdrive_type_info);
 638     type_register_static(&dscm1xxxx_type_info);
 639 }
 640
 641 type_init(microdrive_register_types)