xref: /openbmc/qemu/hw/ide/microdrive.c (revision dc5bd18f)
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/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", __func__, 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", __func__, 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     DeviceClass *dc = DEVICE_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     /* Reason: Needs to be wired-up in code, see dscm1xxxx_init() */
585     dc->user_creatable = false;
586 }
587 
588 static const TypeInfo dscm1xxxx_type_info = {
589     .name = TYPE_DSCM1XXXX,
590     .parent = TYPE_MICRODRIVE,
591     .class_init = dscm1xxxx_class_init,
592 };
593 
594 static void microdrive_realize(DeviceState *dev, Error **errp)
595 {
596     MicroDriveState *md = MICRODRIVE(dev);
597 
598     ide_init2(&md->bus, qemu_allocate_irq(md_set_irq, md, 0));
599 }
600 
601 static void microdrive_init(Object *obj)
602 {
603     MicroDriveState *md = MICRODRIVE(obj);
604 
605     ide_bus_new(&md->bus, sizeof(md->bus), DEVICE(obj), 0, 1);
606 }
607 
608 static void microdrive_class_init(ObjectClass *oc, void *data)
609 {
610     DeviceClass *dc = DEVICE_CLASS(oc);
611     PCMCIACardClass *pcc = PCMCIA_CARD_CLASS(oc);
612 
613     pcc->attr_read = md_attr_read;
614     pcc->attr_write = md_attr_write;
615     pcc->common_read = md_common_read;
616     pcc->common_write = md_common_write;
617     pcc->io_read = md_common_read;
618     pcc->io_write = md_common_write;
619 
620     dc->realize = microdrive_realize;
621     dc->reset = md_reset;
622     dc->vmsd = &vmstate_microdrive;
623 }
624 
625 static const TypeInfo microdrive_type_info = {
626     .name = TYPE_MICRODRIVE,
627     .parent = TYPE_PCMCIA_CARD,
628     .instance_size = sizeof(MicroDriveState),
629     .instance_init = microdrive_init,
630     .abstract = true,
631     .class_init = microdrive_class_init,
632 };
633 
634 static void microdrive_register_types(void)
635 {
636     type_register_static(&microdrive_type_info);
637     type_register_static(&dscm1xxxx_type_info);
638 }
639 
640 type_init(microdrive_register_types)
641