xref: /qemu/hw/ide/microdrive.c (revision 12b35405)
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 
33 #include "hw/ide/internal.h"
34 
35 #define TYPE_MICRODRIVE "microdrive"
36 #define MICRODRIVE(obj) OBJECT_CHECK(MicroDriveState, (obj), TYPE_MICRODRIVE)
37 
38 /***********************************************************/
39 /* CF-ATA Microdrive */
40 
41 #define METADATA_SIZE	0x20
42 
43 /* DSCM-1XXXX Microdrive hard disk with CF+ II / PCMCIA interface.  */
44 
45 typedef struct MicroDriveState {
46     /*< private >*/
47     PCMCIACardState parent_obj;
48     /*< public >*/
49 
50     IDEBus bus;
51     uint32_t attr_base;
52     uint32_t io_base;
53 
54     /* Card state */
55     uint8_t opt;
56     uint8_t stat;
57     uint8_t pins;
58 
59     uint8_t ctrl;
60     uint16_t io;
61     uint8_t cycle;
62 } MicroDriveState;
63 
64 /* Register bitfields */
65 enum md_opt {
66     OPT_MODE_MMAP	= 0,
67     OPT_MODE_IOMAP16	= 1,
68     OPT_MODE_IOMAP1	= 2,
69     OPT_MODE_IOMAP2	= 3,
70     OPT_MODE		= 0x3f,
71     OPT_LEVIREQ		= 0x40,
72     OPT_SRESET		= 0x80,
73 };
74 enum md_cstat {
75     STAT_INT		= 0x02,
76     STAT_PWRDWN		= 0x04,
77     STAT_XE		= 0x10,
78     STAT_IOIS8		= 0x20,
79     STAT_SIGCHG		= 0x40,
80     STAT_CHANGED	= 0x80,
81 };
82 enum md_pins {
83     PINS_MRDY		= 0x02,
84     PINS_CRDY		= 0x20,
85 };
86 enum md_ctrl {
87     CTRL_IEN		= 0x02,
88     CTRL_SRST		= 0x04,
89 };
90 
91 static inline void md_interrupt_update(MicroDriveState *s)
92 {
93     PCMCIACardState *card = PCMCIA_CARD(s);
94 
95     if (card->slot == NULL) {
96         return;
97     }
98 
99     qemu_set_irq(card->slot->irq,
100                     !(s->stat & STAT_INT) &&	/* Inverted */
101                     !(s->ctrl & (CTRL_IEN | CTRL_SRST)) &&
102                     !(s->opt & OPT_SRESET));
103 }
104 
105 static void md_set_irq(void *opaque, int irq, int level)
106 {
107     MicroDriveState *s = opaque;
108 
109     if (level) {
110         s->stat |= STAT_INT;
111     } else {
112         s->stat &= ~STAT_INT;
113     }
114 
115     md_interrupt_update(s);
116 }
117 
118 static void md_reset(DeviceState *dev)
119 {
120     MicroDriveState *s = MICRODRIVE(dev);
121 
122     s->opt = OPT_MODE_MMAP;
123     s->stat = 0;
124     s->pins = 0;
125     s->cycle = 0;
126     s->ctrl = 0;
127     ide_bus_reset(&s->bus);
128 }
129 
130 static uint8_t md_attr_read(PCMCIACardState *card, uint32_t at)
131 {
132     MicroDriveState *s = MICRODRIVE(card);
133     PCMCIACardClass *pcc = PCMCIA_CARD_GET_CLASS(card);
134 
135     if (at < s->attr_base) {
136         if (at < pcc->cis_len) {
137             return pcc->cis[at];
138         } else {
139             return 0x00;
140         }
141     }
142 
143     at -= s->attr_base;
144 
145     switch (at) {
146     case 0x00:	/* Configuration Option Register */
147         return s->opt;
148     case 0x02:	/* Card Configuration Status Register */
149         if (s->ctrl & CTRL_IEN) {
150             return s->stat & ~STAT_INT;
151         } else {
152             return s->stat;
153         }
154     case 0x04:	/* Pin Replacement Register */
155         return (s->pins & PINS_CRDY) | 0x0c;
156     case 0x06:	/* Socket and Copy Register */
157         return 0x00;
158 #ifdef VERBOSE
159     default:
160         printf("%s: Bad attribute space register %02x\n", __func__, at);
161 #endif
162     }
163 
164     return 0;
165 }
166 
167 static void md_attr_write(PCMCIACardState *card, uint32_t at, uint8_t value)
168 {
169     MicroDriveState *s = MICRODRIVE(card);
170 
171     at -= s->attr_base;
172 
173     switch (at) {
174     case 0x00:	/* Configuration Option Register */
175         s->opt = value & 0xcf;
176         if (value & OPT_SRESET) {
177             device_legacy_reset(DEVICE(s));
178         }
179         md_interrupt_update(s);
180         break;
181     case 0x02:	/* Card Configuration Status Register */
182         if ((s->stat ^ value) & STAT_PWRDWN) {
183             s->pins |= PINS_CRDY;
184         }
185         s->stat &= 0x82;
186         s->stat |= value & 0x74;
187         md_interrupt_update(s);
188         /* Word 170 in Identify Device must be equal to STAT_XE */
189         break;
190     case 0x04:	/* Pin Replacement Register */
191         s->pins &= PINS_CRDY;
192         s->pins |= value & PINS_MRDY;
193         break;
194     case 0x06:	/* Socket and Copy Register */
195         break;
196     default:
197         printf("%s: Bad attribute space register %02x\n", __func__, at);
198     }
199 }
200 
201 static uint16_t md_common_read(PCMCIACardState *card, uint32_t at)
202 {
203     MicroDriveState *s = MICRODRIVE(card);
204     IDEState *ifs;
205     uint16_t ret;
206     at -= s->io_base;
207 
208     switch (s->opt & OPT_MODE) {
209     case OPT_MODE_MMAP:
210         if ((at & ~0x3ff) == 0x400) {
211             at = 0;
212         }
213         break;
214     case OPT_MODE_IOMAP16:
215         at &= 0xf;
216         break;
217     case OPT_MODE_IOMAP1:
218         if ((at & ~0xf) == 0x3f0) {
219             at -= 0x3e8;
220         } else if ((at & ~0xf) == 0x1f0) {
221             at -= 0x1f0;
222         }
223         break;
224     case OPT_MODE_IOMAP2:
225         if ((at & ~0xf) == 0x370) {
226             at -= 0x368;
227         } else if ((at & ~0xf) == 0x170) {
228             at -= 0x170;
229         }
230     }
231 
232     switch (at) {
233     case 0x0:	/* Even RD Data */
234     case 0x8:
235         return ide_data_readw(&s->bus, 0);
236 
237         /* TODO: 8-bit accesses */
238         if (s->cycle) {
239             ret = s->io >> 8;
240         } else {
241             s->io = ide_data_readw(&s->bus, 0);
242             ret = s->io & 0xff;
243         }
244         s->cycle = !s->cycle;
245         return ret;
246     case 0x9:	/* Odd RD Data */
247         return s->io >> 8;
248     case 0xd:	/* Error */
249         return ide_ioport_read(&s->bus, 0x1);
250     case 0xe:	/* Alternate Status */
251         ifs = idebus_active_if(&s->bus);
252         if (ifs->blk) {
253             return ifs->status;
254         } else {
255             return 0;
256         }
257     case 0xf:	/* Device Address */
258         ifs = idebus_active_if(&s->bus);
259         return 0xc2 | ((~ifs->select << 2) & 0x3c);
260     default:
261         return ide_ioport_read(&s->bus, at);
262     }
263 
264     return 0;
265 }
266 
267 static void md_common_write(PCMCIACardState *card, uint32_t at, uint16_t value)
268 {
269     MicroDriveState *s = MICRODRIVE(card);
270     at -= s->io_base;
271 
272     switch (s->opt & OPT_MODE) {
273     case OPT_MODE_MMAP:
274         if ((at & ~0x3ff) == 0x400) {
275             at = 0;
276         }
277         break;
278     case OPT_MODE_IOMAP16:
279         at &= 0xf;
280         break;
281     case OPT_MODE_IOMAP1:
282         if ((at & ~0xf) == 0x3f0) {
283             at -= 0x3e8;
284         } else if ((at & ~0xf) == 0x1f0) {
285             at -= 0x1f0;
286         }
287         break;
288     case OPT_MODE_IOMAP2:
289         if ((at & ~0xf) == 0x370) {
290             at -= 0x368;
291         } else if ((at & ~0xf) == 0x170) {
292             at -= 0x170;
293         }
294     }
295 
296     switch (at) {
297     case 0x0:	/* Even WR Data */
298     case 0x8:
299         ide_data_writew(&s->bus, 0, value);
300         break;
301 
302         /* TODO: 8-bit accesses */
303         if (s->cycle) {
304             ide_data_writew(&s->bus, 0, s->io | (value << 8));
305         } else {
306             s->io = value & 0xff;
307         }
308         s->cycle = !s->cycle;
309         break;
310     case 0x9:
311         s->io = value & 0xff;
312         s->cycle = !s->cycle;
313         break;
314     case 0xd:	/* Features */
315         ide_ioport_write(&s->bus, 0x1, value);
316         break;
317     case 0xe:	/* Device Control */
318         s->ctrl = value;
319         if (value & CTRL_SRST) {
320             device_legacy_reset(DEVICE(s));
321         }
322         md_interrupt_update(s);
323         break;
324     default:
325         if (s->stat & STAT_PWRDWN) {
326             s->pins |= PINS_CRDY;
327             s->stat &= ~STAT_PWRDWN;
328         }
329         ide_ioport_write(&s->bus, at, value);
330     }
331 }
332 
333 static const VMStateDescription vmstate_microdrive = {
334     .name = "microdrive",
335     .version_id = 3,
336     .minimum_version_id = 0,
337     .fields = (VMStateField[]) {
338         VMSTATE_UINT8(opt, MicroDriveState),
339         VMSTATE_UINT8(stat, MicroDriveState),
340         VMSTATE_UINT8(pins, MicroDriveState),
341         VMSTATE_UINT8(ctrl, MicroDriveState),
342         VMSTATE_UINT16(io, MicroDriveState),
343         VMSTATE_UINT8(cycle, MicroDriveState),
344         VMSTATE_IDE_BUS(bus, MicroDriveState),
345         VMSTATE_IDE_DRIVES(bus.ifs, MicroDriveState),
346         VMSTATE_END_OF_LIST()
347     }
348 };
349 
350 static const uint8_t dscm1xxxx_cis[0x14a] = {
351     [0x000] = CISTPL_DEVICE,	/* 5V Device Information */
352     [0x002] = 0x03,		/* Tuple length = 4 bytes */
353     [0x004] = 0xdb,		/* ID: DTYPE_FUNCSPEC, non WP, DSPEED_150NS */
354     [0x006] = 0x01,		/* Size = 2K bytes */
355     [0x008] = CISTPL_ENDMARK,
356 
357     [0x00a] = CISTPL_DEVICE_OC,	/* Additional Device Information */
358     [0x00c] = 0x04,		/* Tuple length = 4 byest */
359     [0x00e] = 0x03,		/* Conditions: Ext = 0, Vcc 3.3V, MWAIT = 1 */
360     [0x010] = 0xdb,		/* ID: DTYPE_FUNCSPEC, non WP, DSPEED_150NS */
361     [0x012] = 0x01,		/* Size = 2K bytes */
362     [0x014] = CISTPL_ENDMARK,
363 
364     [0x016] = CISTPL_JEDEC_C,	/* JEDEC ID */
365     [0x018] = 0x02,		/* Tuple length = 2 bytes */
366     [0x01a] = 0xdf,		/* PC Card ATA with no Vpp required */
367     [0x01c] = 0x01,
368 
369     [0x01e] = CISTPL_MANFID,	/* Manufacture ID */
370     [0x020] = 0x04,		/* Tuple length = 4 bytes */
371     [0x022] = 0xa4,		/* TPLMID_MANF = 00a4 (IBM) */
372     [0x024] = 0x00,
373     [0x026] = 0x00,		/* PLMID_CARD = 0000 */
374     [0x028] = 0x00,
375 
376     [0x02a] = CISTPL_VERS_1,	/* Level 1 Version */
377     [0x02c] = 0x12,		/* Tuple length = 23 bytes */
378     [0x02e] = 0x04,		/* Major Version = JEIDA 4.2 / PCMCIA 2.1 */
379     [0x030] = 0x01,		/* Minor Version = 1 */
380     [0x032] = 'I',
381     [0x034] = 'B',
382     [0x036] = 'M',
383     [0x038] = 0x00,
384     [0x03a] = 'm',
385     [0x03c] = 'i',
386     [0x03e] = 'c',
387     [0x040] = 'r',
388     [0x042] = 'o',
389     [0x044] = 'd',
390     [0x046] = 'r',
391     [0x048] = 'i',
392     [0x04a] = 'v',
393     [0x04c] = 'e',
394     [0x04e] = 0x00,
395     [0x050] = CISTPL_ENDMARK,
396 
397     [0x052] = CISTPL_FUNCID,	/* Function ID */
398     [0x054] = 0x02,		/* Tuple length = 2 bytes */
399     [0x056] = 0x04,		/* TPLFID_FUNCTION = Fixed Disk */
400     [0x058] = 0x01,		/* TPLFID_SYSINIT: POST = 1, ROM = 0 */
401 
402     [0x05a] = CISTPL_FUNCE,	/* Function Extension */
403     [0x05c] = 0x02,		/* Tuple length = 2 bytes */
404     [0x05e] = 0x01,		/* TPLFE_TYPE = Disk Device Interface */
405     [0x060] = 0x01,		/* TPLFE_DATA = PC Card ATA Interface */
406 
407     [0x062] = CISTPL_FUNCE,	/* Function Extension */
408     [0x064] = 0x03,		/* Tuple length = 3 bytes */
409     [0x066] = 0x02,		/* TPLFE_TYPE = Basic PC Card ATA Interface */
410     [0x068] = 0x08,		/* TPLFE_DATA: Rotating, Unique, Single */
411     [0x06a] = 0x0f,		/* TPLFE_DATA: Sleep, Standby, Idle, Auto */
412 
413     [0x06c] = CISTPL_CONFIG,	/* Configuration */
414     [0x06e] = 0x05,		/* Tuple length = 5 bytes */
415     [0x070] = 0x01,		/* TPCC_RASZ = 2 bytes, TPCC_RMSZ = 1 byte */
416     [0x072] = 0x07,		/* TPCC_LAST = 7 */
417     [0x074] = 0x00,		/* TPCC_RADR = 0200 */
418     [0x076] = 0x02,
419     [0x078] = 0x0f,		/* TPCC_RMSK = 200, 202, 204, 206 */
420 
421     [0x07a] = CISTPL_CFTABLE_ENTRY,	/* 16-bit PC Card Configuration */
422     [0x07c] = 0x0b,		/* Tuple length = 11 bytes */
423     [0x07e] = 0xc0,		/* TPCE_INDX = Memory Mode, Default, Iface */
424     [0x080] = 0xc0,		/* TPCE_IF = Memory, no BVDs, no WP, READY */
425     [0x082] = 0xa1,		/* TPCE_FS = Vcc only, no I/O, Memory, Misc */
426     [0x084] = 0x27,		/* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */
427     [0x086] = 0x55,		/* NomV: 5.0 V */
428     [0x088] = 0x4d,		/* MinV: 4.5 V */
429     [0x08a] = 0x5d,		/* MaxV: 5.5 V */
430     [0x08c] = 0x4e,		/* Peakl: 450 mA */
431     [0x08e] = 0x08,		/* TPCE_MS = 1 window, 1 byte, Host address */
432     [0x090] = 0x00,		/* Window descriptor: Window length = 0 */
433     [0x092] = 0x20,		/* TPCE_MI: support power down mode, RW */
434 
435     [0x094] = CISTPL_CFTABLE_ENTRY,	/* 16-bit PC Card Configuration */
436     [0x096] = 0x06,		/* Tuple length = 6 bytes */
437     [0x098] = 0x00,		/* TPCE_INDX = Memory Mode, no Default */
438     [0x09a] = 0x01,		/* TPCE_FS = Vcc only, no I/O, no Memory */
439     [0x09c] = 0x21,		/* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */
440     [0x09e] = 0xb5,		/* NomV: 3.3 V */
441     [0x0a0] = 0x1e,
442     [0x0a2] = 0x3e,		/* Peakl: 350 mA */
443 
444     [0x0a4] = CISTPL_CFTABLE_ENTRY,	/* 16-bit PC Card Configuration */
445     [0x0a6] = 0x0d,		/* Tuple length = 13 bytes */
446     [0x0a8] = 0xc1,		/* TPCE_INDX = I/O and Memory Mode, Default */
447     [0x0aa] = 0x41,		/* TPCE_IF = I/O and Memory, no BVD, no WP */
448     [0x0ac] = 0x99,		/* TPCE_FS = Vcc only, I/O, Interrupt, Misc */
449     [0x0ae] = 0x27,		/* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */
450     [0x0b0] = 0x55,		/* NomV: 5.0 V */
451     [0x0b2] = 0x4d,		/* MinV: 4.5 V */
452     [0x0b4] = 0x5d,		/* MaxV: 5.5 V */
453     [0x0b6] = 0x4e,		/* Peakl: 450 mA */
454     [0x0b8] = 0x64,		/* TPCE_IO = 16-byte boundary, 16/8 accesses */
455     [0x0ba] = 0xf0,		/* TPCE_IR =  MASK, Level, Pulse, Share */
456     [0x0bc] = 0xff,		/* IRQ0..IRQ7 supported */
457     [0x0be] = 0xff,		/* IRQ8..IRQ15 supported */
458     [0x0c0] = 0x20,		/* TPCE_MI = support power down mode */
459 
460     [0x0c2] = CISTPL_CFTABLE_ENTRY,	/* 16-bit PC Card Configuration */
461     [0x0c4] = 0x06,		/* Tuple length = 6 bytes */
462     [0x0c6] = 0x01,		/* TPCE_INDX = I/O and Memory Mode */
463     [0x0c8] = 0x01,		/* TPCE_FS = Vcc only, no I/O, no Memory */
464     [0x0ca] = 0x21,		/* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */
465     [0x0cc] = 0xb5,		/* NomV: 3.3 V */
466     [0x0ce] = 0x1e,
467     [0x0d0] = 0x3e,		/* Peakl: 350 mA */
468 
469     [0x0d2] = CISTPL_CFTABLE_ENTRY,	/* 16-bit PC Card Configuration */
470     [0x0d4] = 0x12,		/* Tuple length = 18 bytes */
471     [0x0d6] = 0xc2,		/* TPCE_INDX = I/O Primary Mode */
472     [0x0d8] = 0x41,		/* TPCE_IF = I/O and Memory, no BVD, no WP */
473     [0x0da] = 0x99,		/* TPCE_FS = Vcc only, I/O, Interrupt, Misc */
474     [0x0dc] = 0x27,		/* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */
475     [0x0de] = 0x55,		/* NomV: 5.0 V */
476     [0x0e0] = 0x4d,		/* MinV: 4.5 V */
477     [0x0e2] = 0x5d,		/* MaxV: 5.5 V */
478     [0x0e4] = 0x4e,		/* Peakl: 450 mA */
479     [0x0e6] = 0xea,		/* TPCE_IO = 1K boundary, 16/8 access, Range */
480     [0x0e8] = 0x61,		/* Range: 2 fields, 2 bytes addr, 1 byte len */
481     [0x0ea] = 0xf0,		/* Field 1 address = 0x01f0 */
482     [0x0ec] = 0x01,
483     [0x0ee] = 0x07,		/* Address block length = 8 */
484     [0x0f0] = 0xf6,		/* Field 2 address = 0x03f6 */
485     [0x0f2] = 0x03,
486     [0x0f4] = 0x01,		/* Address block length = 2 */
487     [0x0f6] = 0xee,		/* TPCE_IR = IRQ E, Level, Pulse, Share */
488     [0x0f8] = 0x20,		/* TPCE_MI = support power down mode */
489 
490     [0x0fa] = CISTPL_CFTABLE_ENTRY,	/* 16-bit PC Card Configuration */
491     [0x0fc] = 0x06,		/* Tuple length = 6 bytes */
492     [0x0fe] = 0x02,		/* TPCE_INDX = I/O Primary Mode, no Default */
493     [0x100] = 0x01,		/* TPCE_FS = Vcc only, no I/O, no Memory */
494     [0x102] = 0x21,		/* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */
495     [0x104] = 0xb5,		/* NomV: 3.3 V */
496     [0x106] = 0x1e,
497     [0x108] = 0x3e,		/* Peakl: 350 mA */
498 
499     [0x10a] = CISTPL_CFTABLE_ENTRY,	/* 16-bit PC Card Configuration */
500     [0x10c] = 0x12,		/* Tuple length = 18 bytes */
501     [0x10e] = 0xc3,		/* TPCE_INDX = I/O Secondary Mode, Default */
502     [0x110] = 0x41,		/* TPCE_IF = I/O and Memory, no BVD, no WP */
503     [0x112] = 0x99,		/* TPCE_FS = Vcc only, I/O, Interrupt, Misc */
504     [0x114] = 0x27,		/* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */
505     [0x116] = 0x55,		/* NomV: 5.0 V */
506     [0x118] = 0x4d,		/* MinV: 4.5 V */
507     [0x11a] = 0x5d,		/* MaxV: 5.5 V */
508     [0x11c] = 0x4e,		/* Peakl: 450 mA */
509     [0x11e] = 0xea,		/* TPCE_IO = 1K boundary, 16/8 access, Range */
510     [0x120] = 0x61,		/* Range: 2 fields, 2 byte addr, 1 byte len */
511     [0x122] = 0x70,		/* Field 1 address = 0x0170 */
512     [0x124] = 0x01,
513     [0x126] = 0x07,		/* Address block length = 8 */
514     [0x128] = 0x76,		/* Field 2 address = 0x0376 */
515     [0x12a] = 0x03,
516     [0x12c] = 0x01,		/* Address block length = 2 */
517     [0x12e] = 0xee,		/* TPCE_IR = IRQ E, Level, Pulse, Share */
518     [0x130] = 0x20,		/* TPCE_MI = support power down mode */
519 
520     [0x132] = CISTPL_CFTABLE_ENTRY,	/* 16-bit PC Card Configuration */
521     [0x134] = 0x06,		/* Tuple length = 6 bytes */
522     [0x136] = 0x03,		/* TPCE_INDX = I/O Secondary Mode */
523     [0x138] = 0x01,		/* TPCE_FS = Vcc only, no I/O, no Memory */
524     [0x13a] = 0x21,		/* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */
525     [0x13c] = 0xb5,		/* NomV: 3.3 V */
526     [0x13e] = 0x1e,
527     [0x140] = 0x3e,		/* Peakl: 350 mA */
528 
529     [0x142] = CISTPL_NO_LINK,	/* No Link */
530     [0x144] = 0x00,		/* Tuple length = 0 bytes */
531 
532     [0x146] = CISTPL_END,	/* Tuple End */
533 };
534 
535 #define TYPE_DSCM1XXXX "dscm1xxxx"
536 
537 static int dscm1xxxx_attach(PCMCIACardState *card)
538 {
539     MicroDriveState *md = MICRODRIVE(card);
540     PCMCIACardClass *pcc = PCMCIA_CARD_GET_CLASS(card);
541 
542     md->attr_base = pcc->cis[0x74] | (pcc->cis[0x76] << 8);
543     md->io_base = 0x0;
544 
545     device_legacy_reset(DEVICE(md));
546     md_interrupt_update(md);
547 
548     return 0;
549 }
550 
551 static int dscm1xxxx_detach(PCMCIACardState *card)
552 {
553     MicroDriveState *md = MICRODRIVE(card);
554 
555     device_legacy_reset(DEVICE(md));
556     return 0;
557 }
558 
559 PCMCIACardState *dscm1xxxx_init(DriveInfo *dinfo)
560 {
561     MicroDriveState *md;
562 
563     md = MICRODRIVE(object_new(TYPE_DSCM1XXXX));
564     qdev_realize(DEVICE(md), NULL, &error_fatal);
565 
566     if (dinfo != NULL) {
567         ide_create_drive(&md->bus, 0, dinfo);
568     }
569     md->bus.ifs[0].drive_kind = IDE_CFATA;
570     md->bus.ifs[0].mdata_size = METADATA_SIZE;
571     md->bus.ifs[0].mdata_storage = g_malloc0(METADATA_SIZE);
572 
573     return PCMCIA_CARD(md);
574 }
575 
576 static void dscm1xxxx_class_init(ObjectClass *oc, void *data)
577 {
578     PCMCIACardClass *pcc = PCMCIA_CARD_CLASS(oc);
579     DeviceClass *dc = DEVICE_CLASS(oc);
580 
581     pcc->cis = dscm1xxxx_cis;
582     pcc->cis_len = sizeof(dscm1xxxx_cis);
583 
584     pcc->attach = dscm1xxxx_attach;
585     pcc->detach = dscm1xxxx_detach;
586     /* Reason: Needs to be wired-up in code, see dscm1xxxx_init() */
587     dc->user_creatable = false;
588 }
589 
590 static const TypeInfo dscm1xxxx_type_info = {
591     .name = TYPE_DSCM1XXXX,
592     .parent = TYPE_MICRODRIVE,
593     .class_init = dscm1xxxx_class_init,
594 };
595 
596 static void microdrive_realize(DeviceState *dev, Error **errp)
597 {
598     MicroDriveState *md = MICRODRIVE(dev);
599 
600     ide_init2(&md->bus, qemu_allocate_irq(md_set_irq, md, 0));
601 }
602 
603 static void microdrive_init(Object *obj)
604 {
605     MicroDriveState *md = MICRODRIVE(obj);
606 
607     ide_bus_new(&md->bus, sizeof(md->bus), DEVICE(obj), 0, 1);
608 }
609 
610 static void microdrive_class_init(ObjectClass *oc, void *data)
611 {
612     DeviceClass *dc = DEVICE_CLASS(oc);
613     PCMCIACardClass *pcc = PCMCIA_CARD_CLASS(oc);
614 
615     pcc->attr_read = md_attr_read;
616     pcc->attr_write = md_attr_write;
617     pcc->common_read = md_common_read;
618     pcc->common_write = md_common_write;
619     pcc->io_read = md_common_read;
620     pcc->io_write = md_common_write;
621 
622     dc->realize = microdrive_realize;
623     dc->reset = md_reset;
624     dc->vmsd = &vmstate_microdrive;
625 }
626 
627 static const TypeInfo microdrive_type_info = {
628     .name = TYPE_MICRODRIVE,
629     .parent = TYPE_PCMCIA_CARD,
630     .instance_size = sizeof(MicroDriveState),
631     .instance_init = microdrive_init,
632     .abstract = true,
633     .class_init = microdrive_class_init,
634 };
635 
636 static void microdrive_register_types(void)
637 {
638     type_register_static(&microdrive_type_info);
639     type_register_static(&dscm1xxxx_type_info);
640 }
641 
642 type_init(microdrive_register_types)
643