qemu/hw/ide/microdrive.c
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   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 "qemu/osdep.h"
  26#include "hw/hw.h"
  27#include "hw/i386/pc.h"
  28#include "hw/pcmcia.h"
  29#include "sysemu/block-backend.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
  44typedef 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 */
  64enum 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};
  73enum 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};
  81enum md_pins {
  82    PINS_MRDY           = 0x02,
  83    PINS_CRDY           = 0x20,
  84};
  85enum md_ctrl {
  86    CTRL_IEN            = 0x02,
  87    CTRL_SRST           = 0x04,
  88};
  89
  90static 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
 104static 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
 117static 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
 129static 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", __FUNCTION__, at);
 160#endif
 161    }
 162
 163    return 0;
 164}
 165
 166static 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", __FUNCTION__, at);
 197    }
 198}
 199
 200static 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
 266static 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
 332static 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
 349static 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
 536static 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
 550static int dscm1xxxx_detach(PCMCIACardState *card)
 551{
 552    MicroDriveState *md = MICRODRIVE(card);
 553
 554    device_reset(DEVICE(md));
 555    return 0;
 556}
 557
 558PCMCIACardState *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
 575static void dscm1xxxx_class_init(ObjectClass *oc, void *data)
 576{
 577    PCMCIACardClass *pcc = PCMCIA_CARD_CLASS(oc);
 578
 579    pcc->cis = dscm1xxxx_cis;
 580    pcc->cis_len = sizeof(dscm1xxxx_cis);
 581
 582    pcc->attach = dscm1xxxx_attach;
 583    pcc->detach = dscm1xxxx_detach;
 584}
 585
 586static const TypeInfo dscm1xxxx_type_info = {
 587    .name = TYPE_DSCM1XXXX,
 588    .parent = TYPE_MICRODRIVE,
 589    .class_init = dscm1xxxx_class_init,
 590};
 591
 592static void microdrive_realize(DeviceState *dev, Error **errp)
 593{
 594    MicroDriveState *md = MICRODRIVE(dev);
 595
 596    ide_init2(&md->bus, qemu_allocate_irq(md_set_irq, md, 0));
 597}
 598
 599static void microdrive_init(Object *obj)
 600{
 601    MicroDriveState *md = MICRODRIVE(obj);
 602
 603    ide_bus_new(&md->bus, sizeof(md->bus), DEVICE(obj), 0, 1);
 604}
 605
 606static void microdrive_class_init(ObjectClass *oc, void *data)
 607{
 608    DeviceClass *dc = DEVICE_CLASS(oc);
 609    PCMCIACardClass *pcc = PCMCIA_CARD_CLASS(oc);
 610
 611    pcc->attr_read = md_attr_read;
 612    pcc->attr_write = md_attr_write;
 613    pcc->common_read = md_common_read;
 614    pcc->common_write = md_common_write;
 615    pcc->io_read = md_common_read;
 616    pcc->io_write = md_common_write;
 617
 618    dc->realize = microdrive_realize;
 619    dc->reset = md_reset;
 620    dc->vmsd = &vmstate_microdrive;
 621}
 622
 623static const TypeInfo microdrive_type_info = {
 624    .name = TYPE_MICRODRIVE,
 625    .parent = TYPE_PCMCIA_CARD,
 626    .instance_size = sizeof(MicroDriveState),
 627    .instance_init = microdrive_init,
 628    .abstract = true,
 629    .class_init = microdrive_class_init,
 630};
 631
 632static void microdrive_register_types(void)
 633{
 634    type_register_static(&microdrive_type_info);
 635    type_register_static(&dscm1xxxx_type_info);
 636}
 637
 638type_init(microdrive_register_types)
 639