linux-user: stack_base is now mandatory on all targets
[qemu.git] / hw / ac97.c
1 /*
2 * Copyright (C) 2006 InnoTek Systemberatung GmbH
3 *
4 * This file is part of VirtualBox Open Source Edition (OSE), as
5 * available from http://www.virtualbox.org. This file is free software;
6 * you can redistribute it and/or modify it under the terms of the GNU
7 * General Public License as published by the Free Software Foundation,
8 * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
9 * distribution. VirtualBox OSE is distributed in the hope that it will
10 * be useful, but WITHOUT ANY WARRANTY of any kind.
11 *
12 * If you received this file as part of a commercial VirtualBox
13 * distribution, then only the terms of your commercial VirtualBox
14 * license agreement apply instead of the previous paragraph.
15 *
16 * Contributions after 2012-01-13 are licensed under the terms of the
17 * GNU GPL, version 2 or (at your option) any later version.
18 */
19
20 #include "hw.h"
21 #include "audiodev.h"
22 #include "audio/audio.h"
23 #include "pci.h"
24 #include "dma.h"
25
26 enum {
27 AC97_Reset = 0x00,
28 AC97_Master_Volume_Mute = 0x02,
29 AC97_Headphone_Volume_Mute = 0x04,
30 AC97_Master_Volume_Mono_Mute = 0x06,
31 AC97_Master_Tone_RL = 0x08,
32 AC97_PC_BEEP_Volume_Mute = 0x0A,
33 AC97_Phone_Volume_Mute = 0x0C,
34 AC97_Mic_Volume_Mute = 0x0E,
35 AC97_Line_In_Volume_Mute = 0x10,
36 AC97_CD_Volume_Mute = 0x12,
37 AC97_Video_Volume_Mute = 0x14,
38 AC97_Aux_Volume_Mute = 0x16,
39 AC97_PCM_Out_Volume_Mute = 0x18,
40 AC97_Record_Select = 0x1A,
41 AC97_Record_Gain_Mute = 0x1C,
42 AC97_Record_Gain_Mic_Mute = 0x1E,
43 AC97_General_Purpose = 0x20,
44 AC97_3D_Control = 0x22,
45 AC97_AC_97_RESERVED = 0x24,
46 AC97_Powerdown_Ctrl_Stat = 0x26,
47 AC97_Extended_Audio_ID = 0x28,
48 AC97_Extended_Audio_Ctrl_Stat = 0x2A,
49 AC97_PCM_Front_DAC_Rate = 0x2C,
50 AC97_PCM_Surround_DAC_Rate = 0x2E,
51 AC97_PCM_LFE_DAC_Rate = 0x30,
52 AC97_PCM_LR_ADC_Rate = 0x32,
53 AC97_MIC_ADC_Rate = 0x34,
54 AC97_6Ch_Vol_C_LFE_Mute = 0x36,
55 AC97_6Ch_Vol_L_R_Surround_Mute = 0x38,
56 AC97_Vendor_Reserved = 0x58,
57 AC97_Vendor_ID1 = 0x7c,
58 AC97_Vendor_ID2 = 0x7e
59 };
60
61 #define SOFT_VOLUME
62 #define SR_FIFOE 16 /* rwc */
63 #define SR_BCIS 8 /* rwc */
64 #define SR_LVBCI 4 /* rwc */
65 #define SR_CELV 2 /* ro */
66 #define SR_DCH 1 /* ro */
67 #define SR_VALID_MASK ((1 << 5) - 1)
68 #define SR_WCLEAR_MASK (SR_FIFOE | SR_BCIS | SR_LVBCI)
69 #define SR_RO_MASK (SR_DCH | SR_CELV)
70 #define SR_INT_MASK (SR_FIFOE | SR_BCIS | SR_LVBCI)
71
72 #define CR_IOCE 16 /* rw */
73 #define CR_FEIE 8 /* rw */
74 #define CR_LVBIE 4 /* rw */
75 #define CR_RR 2 /* rw */
76 #define CR_RPBM 1 /* rw */
77 #define CR_VALID_MASK ((1 << 5) - 1)
78 #define CR_DONT_CLEAR_MASK (CR_IOCE | CR_FEIE | CR_LVBIE)
79
80 #define GC_WR 4 /* rw */
81 #define GC_CR 2 /* rw */
82 #define GC_VALID_MASK ((1 << 6) - 1)
83
84 #define GS_MD3 (1<<17) /* rw */
85 #define GS_AD3 (1<<16) /* rw */
86 #define GS_RCS (1<<15) /* rwc */
87 #define GS_B3S12 (1<<14) /* ro */
88 #define GS_B2S12 (1<<13) /* ro */
89 #define GS_B1S12 (1<<12) /* ro */
90 #define GS_S1R1 (1<<11) /* rwc */
91 #define GS_S0R1 (1<<10) /* rwc */
92 #define GS_S1CR (1<<9) /* ro */
93 #define GS_S0CR (1<<8) /* ro */
94 #define GS_MINT (1<<7) /* ro */
95 #define GS_POINT (1<<6) /* ro */
96 #define GS_PIINT (1<<5) /* ro */
97 #define GS_RSRVD ((1<<4)|(1<<3))
98 #define GS_MOINT (1<<2) /* ro */
99 #define GS_MIINT (1<<1) /* ro */
100 #define GS_GSCI 1 /* rwc */
101 #define GS_RO_MASK (GS_B3S12| \
102 GS_B2S12| \
103 GS_B1S12| \
104 GS_S1CR| \
105 GS_S0CR| \
106 GS_MINT| \
107 GS_POINT| \
108 GS_PIINT| \
109 GS_RSRVD| \
110 GS_MOINT| \
111 GS_MIINT)
112 #define GS_VALID_MASK ((1 << 18) - 1)
113 #define GS_WCLEAR_MASK (GS_RCS|GS_S1R1|GS_S0R1|GS_GSCI)
114
115 #define BD_IOC (1<<31)
116 #define BD_BUP (1<<30)
117
118 #define EACS_VRA 1
119 #define EACS_VRM 8
120
121 #define VOL_MASK 0x1f
122 #define MUTE_SHIFT 15
123
124 #define REC_MASK 7
125 enum {
126 REC_MIC = 0,
127 REC_CD,
128 REC_VIDEO,
129 REC_AUX,
130 REC_LINE_IN,
131 REC_STEREO_MIX,
132 REC_MONO_MIX,
133 REC_PHONE
134 };
135
136 typedef struct BD {
137 uint32_t addr;
138 uint32_t ctl_len;
139 } BD;
140
141 typedef struct AC97BusMasterRegs {
142 uint32_t bdbar; /* rw 0 */
143 uint8_t civ; /* ro 0 */
144 uint8_t lvi; /* rw 0 */
145 uint16_t sr; /* rw 1 */
146 uint16_t picb; /* ro 0 */
147 uint8_t piv; /* ro 0 */
148 uint8_t cr; /* rw 0 */
149 unsigned int bd_valid;
150 BD bd;
151 } AC97BusMasterRegs;
152
153 typedef struct AC97LinkState {
154 PCIDevice dev;
155 QEMUSoundCard card;
156 uint32_t use_broken_id;
157 uint32_t glob_cnt;
158 uint32_t glob_sta;
159 uint32_t cas;
160 uint32_t last_samp;
161 AC97BusMasterRegs bm_regs[3];
162 uint8_t mixer_data[256];
163 SWVoiceIn *voice_pi;
164 SWVoiceOut *voice_po;
165 SWVoiceIn *voice_mc;
166 int invalid_freq[3];
167 uint8_t silence[128];
168 int bup_flag;
169 MemoryRegion io_nam;
170 MemoryRegion io_nabm;
171 } AC97LinkState;
172
173 enum {
174 BUP_SET = 1,
175 BUP_LAST = 2
176 };
177
178 #ifdef DEBUG_AC97
179 #define dolog(...) AUD_log ("ac97", __VA_ARGS__)
180 #else
181 #define dolog(...)
182 #endif
183
184 #define MKREGS(prefix, start) \
185 enum { \
186 prefix ## _BDBAR = start, \
187 prefix ## _CIV = start + 4, \
188 prefix ## _LVI = start + 5, \
189 prefix ## _SR = start + 6, \
190 prefix ## _PICB = start + 8, \
191 prefix ## _PIV = start + 10, \
192 prefix ## _CR = start + 11 \
193 }
194
195 enum {
196 PI_INDEX = 0,
197 PO_INDEX,
198 MC_INDEX,
199 LAST_INDEX
200 };
201
202 MKREGS (PI, PI_INDEX * 16);
203 MKREGS (PO, PO_INDEX * 16);
204 MKREGS (MC, MC_INDEX * 16);
205
206 enum {
207 GLOB_CNT = 0x2c,
208 GLOB_STA = 0x30,
209 CAS = 0x34
210 };
211
212 #define GET_BM(index) (((index) >> 4) & 3)
213
214 static void po_callback (void *opaque, int free);
215 static void pi_callback (void *opaque, int avail);
216 static void mc_callback (void *opaque, int avail);
217
218 static void warm_reset (AC97LinkState *s)
219 {
220 (void) s;
221 }
222
223 static void cold_reset (AC97LinkState * s)
224 {
225 (void) s;
226 }
227
228 static void fetch_bd (AC97LinkState *s, AC97BusMasterRegs *r)
229 {
230 uint8_t b[8];
231
232 pci_dma_read (&s->dev, r->bdbar + r->civ * 8, b, 8);
233 r->bd_valid = 1;
234 r->bd.addr = le32_to_cpu (*(uint32_t *) &b[0]) & ~3;
235 r->bd.ctl_len = le32_to_cpu (*(uint32_t *) &b[4]);
236 r->picb = r->bd.ctl_len & 0xffff;
237 dolog ("bd %2d addr=%#x ctl=%#06x len=%#x(%d bytes)\n",
238 r->civ, r->bd.addr, r->bd.ctl_len >> 16,
239 r->bd.ctl_len & 0xffff,
240 (r->bd.ctl_len & 0xffff) << 1);
241 }
242
243 static void update_sr (AC97LinkState *s, AC97BusMasterRegs *r, uint32_t new_sr)
244 {
245 int event = 0;
246 int level = 0;
247 uint32_t new_mask = new_sr & SR_INT_MASK;
248 uint32_t old_mask = r->sr & SR_INT_MASK;
249 uint32_t masks[] = {GS_PIINT, GS_POINT, GS_MINT};
250
251 if (new_mask ^ old_mask) {
252 /** @todo is IRQ deasserted when only one of status bits is cleared? */
253 if (!new_mask) {
254 event = 1;
255 level = 0;
256 }
257 else {
258 if ((new_mask & SR_LVBCI) && (r->cr & CR_LVBIE)) {
259 event = 1;
260 level = 1;
261 }
262 if ((new_mask & SR_BCIS) && (r->cr & CR_IOCE)) {
263 event = 1;
264 level = 1;
265 }
266 }
267 }
268
269 r->sr = new_sr;
270
271 dolog ("IOC%d LVB%d sr=%#x event=%d level=%d\n",
272 r->sr & SR_BCIS, r->sr & SR_LVBCI,
273 r->sr,
274 event, level);
275
276 if (!event)
277 return;
278
279 if (level) {
280 s->glob_sta |= masks[r - s->bm_regs];
281 dolog ("set irq level=1\n");
282 qemu_set_irq (s->dev.irq[0], 1);
283 }
284 else {
285 s->glob_sta &= ~masks[r - s->bm_regs];
286 dolog ("set irq level=0\n");
287 qemu_set_irq (s->dev.irq[0], 0);
288 }
289 }
290
291 static void voice_set_active (AC97LinkState *s, int bm_index, int on)
292 {
293 switch (bm_index) {
294 case PI_INDEX:
295 AUD_set_active_in (s->voice_pi, on);
296 break;
297
298 case PO_INDEX:
299 AUD_set_active_out (s->voice_po, on);
300 break;
301
302 case MC_INDEX:
303 AUD_set_active_in (s->voice_mc, on);
304 break;
305
306 default:
307 AUD_log ("ac97", "invalid bm_index(%d) in voice_set_active", bm_index);
308 break;
309 }
310 }
311
312 static void reset_bm_regs (AC97LinkState *s, AC97BusMasterRegs *r)
313 {
314 dolog ("reset_bm_regs\n");
315 r->bdbar = 0;
316 r->civ = 0;
317 r->lvi = 0;
318 /** todo do we need to do that? */
319 update_sr (s, r, SR_DCH);
320 r->picb = 0;
321 r->piv = 0;
322 r->cr = r->cr & CR_DONT_CLEAR_MASK;
323 r->bd_valid = 0;
324
325 voice_set_active (s, r - s->bm_regs, 0);
326 memset (s->silence, 0, sizeof (s->silence));
327 }
328
329 static void mixer_store (AC97LinkState *s, uint32_t i, uint16_t v)
330 {
331 if (i + 2 > sizeof (s->mixer_data)) {
332 dolog ("mixer_store: index %d out of bounds %zd\n",
333 i, sizeof (s->mixer_data));
334 return;
335 }
336
337 s->mixer_data[i + 0] = v & 0xff;
338 s->mixer_data[i + 1] = v >> 8;
339 }
340
341 static uint16_t mixer_load (AC97LinkState *s, uint32_t i)
342 {
343 uint16_t val = 0xffff;
344
345 if (i + 2 > sizeof (s->mixer_data)) {
346 dolog ("mixer_store: index %d out of bounds %zd\n",
347 i, sizeof (s->mixer_data));
348 }
349 else {
350 val = s->mixer_data[i + 0] | (s->mixer_data[i + 1] << 8);
351 }
352
353 return val;
354 }
355
356 static void open_voice (AC97LinkState *s, int index, int freq)
357 {
358 struct audsettings as;
359
360 as.freq = freq;
361 as.nchannels = 2;
362 as.fmt = AUD_FMT_S16;
363 as.endianness = 0;
364
365 if (freq > 0) {
366 s->invalid_freq[index] = 0;
367 switch (index) {
368 case PI_INDEX:
369 s->voice_pi = AUD_open_in (
370 &s->card,
371 s->voice_pi,
372 "ac97.pi",
373 s,
374 pi_callback,
375 &as
376 );
377 break;
378
379 case PO_INDEX:
380 s->voice_po = AUD_open_out (
381 &s->card,
382 s->voice_po,
383 "ac97.po",
384 s,
385 po_callback,
386 &as
387 );
388 break;
389
390 case MC_INDEX:
391 s->voice_mc = AUD_open_in (
392 &s->card,
393 s->voice_mc,
394 "ac97.mc",
395 s,
396 mc_callback,
397 &as
398 );
399 break;
400 }
401 }
402 else {
403 s->invalid_freq[index] = freq;
404 switch (index) {
405 case PI_INDEX:
406 AUD_close_in (&s->card, s->voice_pi);
407 s->voice_pi = NULL;
408 break;
409
410 case PO_INDEX:
411 AUD_close_out (&s->card, s->voice_po);
412 s->voice_po = NULL;
413 break;
414
415 case MC_INDEX:
416 AUD_close_in (&s->card, s->voice_mc);
417 s->voice_mc = NULL;
418 break;
419 }
420 }
421 }
422
423 static void reset_voices (AC97LinkState *s, uint8_t active[LAST_INDEX])
424 {
425 uint16_t freq;
426
427 freq = mixer_load (s, AC97_PCM_LR_ADC_Rate);
428 open_voice (s, PI_INDEX, freq);
429 AUD_set_active_in (s->voice_pi, active[PI_INDEX]);
430
431 freq = mixer_load (s, AC97_PCM_Front_DAC_Rate);
432 open_voice (s, PO_INDEX, freq);
433 AUD_set_active_out (s->voice_po, active[PO_INDEX]);
434
435 freq = mixer_load (s, AC97_MIC_ADC_Rate);
436 open_voice (s, MC_INDEX, freq);
437 AUD_set_active_in (s->voice_mc, active[MC_INDEX]);
438 }
439
440 #ifdef USE_MIXER
441 static void set_volume (AC97LinkState *s, int index,
442 audmixerctl_t mt, uint32_t val)
443 {
444 int mute = (val >> MUTE_SHIFT) & 1;
445 uint8_t rvol = VOL_MASK - (val & VOL_MASK);
446 uint8_t lvol = VOL_MASK - ((val >> 8) & VOL_MASK);
447 rvol = 255 * rvol / VOL_MASK;
448 lvol = 255 * lvol / VOL_MASK;
449
450 #ifdef SOFT_VOLUME
451 if (index == AC97_Master_Volume_Mute) {
452 AUD_set_volume_out (s->voice_po, mute, lvol, rvol);
453 }
454 else {
455 AUD_set_volume (mt, &mute, &lvol, &rvol);
456 }
457 #else
458 AUD_set_volume (mt, &mute, &lvol, &rvol);
459 #endif
460
461 rvol = VOL_MASK - ((VOL_MASK * rvol) / 255);
462 lvol = VOL_MASK - ((VOL_MASK * lvol) / 255);
463 mixer_store (s, index, val);
464 }
465
466 static audrecsource_t ac97_to_aud_record_source (uint8_t i)
467 {
468 switch (i) {
469 case REC_MIC:
470 return AUD_REC_MIC;
471
472 case REC_CD:
473 return AUD_REC_CD;
474
475 case REC_VIDEO:
476 return AUD_REC_VIDEO;
477
478 case REC_AUX:
479 return AUD_REC_AUX;
480
481 case REC_LINE_IN:
482 return AUD_REC_LINE_IN;
483
484 case REC_PHONE:
485 return AUD_REC_PHONE;
486
487 default:
488 dolog ("Unknown record source %d, using MIC\n", i);
489 return AUD_REC_MIC;
490 }
491 }
492
493 static uint8_t aud_to_ac97_record_source (audrecsource_t rs)
494 {
495 switch (rs) {
496 case AUD_REC_MIC:
497 return REC_MIC;
498
499 case AUD_REC_CD:
500 return REC_CD;
501
502 case AUD_REC_VIDEO:
503 return REC_VIDEO;
504
505 case AUD_REC_AUX:
506 return REC_AUX;
507
508 case AUD_REC_LINE_IN:
509 return REC_LINE_IN;
510
511 case AUD_REC_PHONE:
512 return REC_PHONE;
513
514 default:
515 dolog ("Unknown audio recording source %d using MIC\n", rs);
516 return REC_MIC;
517 }
518 }
519
520 static void record_select (AC97LinkState *s, uint32_t val)
521 {
522 uint8_t rs = val & REC_MASK;
523 uint8_t ls = (val >> 8) & REC_MASK;
524 audrecsource_t ars = ac97_to_aud_record_source (rs);
525 audrecsource_t als = ac97_to_aud_record_source (ls);
526 AUD_set_record_source (&als, &ars);
527 rs = aud_to_ac97_record_source (ars);
528 ls = aud_to_ac97_record_source (als);
529 mixer_store (s, AC97_Record_Select, rs | (ls << 8));
530 }
531 #endif
532
533 static void mixer_reset (AC97LinkState *s)
534 {
535 uint8_t active[LAST_INDEX];
536
537 dolog ("mixer_reset\n");
538 memset (s->mixer_data, 0, sizeof (s->mixer_data));
539 memset (active, 0, sizeof (active));
540 mixer_store (s, AC97_Reset , 0x0000); /* 6940 */
541 mixer_store (s, AC97_Master_Volume_Mono_Mute , 0x8000);
542 mixer_store (s, AC97_PC_BEEP_Volume_Mute , 0x0000);
543
544 mixer_store (s, AC97_Phone_Volume_Mute , 0x8008);
545 mixer_store (s, AC97_Mic_Volume_Mute , 0x8008);
546 mixer_store (s, AC97_CD_Volume_Mute , 0x8808);
547 mixer_store (s, AC97_Aux_Volume_Mute , 0x8808);
548 mixer_store (s, AC97_Record_Gain_Mic_Mute , 0x8000);
549 mixer_store (s, AC97_General_Purpose , 0x0000);
550 mixer_store (s, AC97_3D_Control , 0x0000);
551 mixer_store (s, AC97_Powerdown_Ctrl_Stat , 0x000f);
552
553 /*
554 * Sigmatel 9700 (STAC9700)
555 */
556 mixer_store (s, AC97_Vendor_ID1 , 0x8384);
557 mixer_store (s, AC97_Vendor_ID2 , 0x7600); /* 7608 */
558
559 mixer_store (s, AC97_Extended_Audio_ID , 0x0809);
560 mixer_store (s, AC97_Extended_Audio_Ctrl_Stat, 0x0009);
561 mixer_store (s, AC97_PCM_Front_DAC_Rate , 0xbb80);
562 mixer_store (s, AC97_PCM_Surround_DAC_Rate , 0xbb80);
563 mixer_store (s, AC97_PCM_LFE_DAC_Rate , 0xbb80);
564 mixer_store (s, AC97_PCM_LR_ADC_Rate , 0xbb80);
565 mixer_store (s, AC97_MIC_ADC_Rate , 0xbb80);
566
567 #ifdef USE_MIXER
568 record_select (s, 0);
569 set_volume (s, AC97_Master_Volume_Mute, AUD_MIXER_VOLUME , 0x8000);
570 set_volume (s, AC97_PCM_Out_Volume_Mute, AUD_MIXER_PCM , 0x8808);
571 set_volume (s, AC97_Line_In_Volume_Mute, AUD_MIXER_LINE_IN, 0x8808);
572 #endif
573 reset_voices (s, active);
574 }
575
576 /**
577 * Native audio mixer
578 * I/O Reads
579 */
580 static uint32_t nam_readb (void *opaque, uint32_t addr)
581 {
582 AC97LinkState *s = opaque;
583 dolog ("U nam readb %#x\n", addr);
584 s->cas = 0;
585 return ~0U;
586 }
587
588 static uint32_t nam_readw (void *opaque, uint32_t addr)
589 {
590 AC97LinkState *s = opaque;
591 uint32_t val = ~0U;
592 uint32_t index = addr;
593 s->cas = 0;
594 val = mixer_load (s, index);
595 return val;
596 }
597
598 static uint32_t nam_readl (void *opaque, uint32_t addr)
599 {
600 AC97LinkState *s = opaque;
601 dolog ("U nam readl %#x\n", addr);
602 s->cas = 0;
603 return ~0U;
604 }
605
606 /**
607 * Native audio mixer
608 * I/O Writes
609 */
610 static void nam_writeb (void *opaque, uint32_t addr, uint32_t val)
611 {
612 AC97LinkState *s = opaque;
613 dolog ("U nam writeb %#x <- %#x\n", addr, val);
614 s->cas = 0;
615 }
616
617 static void nam_writew (void *opaque, uint32_t addr, uint32_t val)
618 {
619 AC97LinkState *s = opaque;
620 uint32_t index = addr;
621 s->cas = 0;
622 switch (index) {
623 case AC97_Reset:
624 mixer_reset (s);
625 break;
626 case AC97_Powerdown_Ctrl_Stat:
627 val &= ~0xf;
628 val |= mixer_load (s, index) & 0xf;
629 mixer_store (s, index, val);
630 break;
631 #ifdef USE_MIXER
632 case AC97_Master_Volume_Mute:
633 set_volume (s, index, AUD_MIXER_VOLUME, val);
634 break;
635 case AC97_PCM_Out_Volume_Mute:
636 set_volume (s, index, AUD_MIXER_PCM, val);
637 break;
638 case AC97_Line_In_Volume_Mute:
639 set_volume (s, index, AUD_MIXER_LINE_IN, val);
640 break;
641 case AC97_Record_Select:
642 record_select (s, val);
643 break;
644 #endif
645 case AC97_Vendor_ID1:
646 case AC97_Vendor_ID2:
647 dolog ("Attempt to write vendor ID to %#x\n", val);
648 break;
649 case AC97_Extended_Audio_ID:
650 dolog ("Attempt to write extended audio ID to %#x\n", val);
651 break;
652 case AC97_Extended_Audio_Ctrl_Stat:
653 if (!(val & EACS_VRA)) {
654 mixer_store (s, AC97_PCM_Front_DAC_Rate, 0xbb80);
655 mixer_store (s, AC97_PCM_LR_ADC_Rate, 0xbb80);
656 open_voice (s, PI_INDEX, 48000);
657 open_voice (s, PO_INDEX, 48000);
658 }
659 if (!(val & EACS_VRM)) {
660 mixer_store (s, AC97_MIC_ADC_Rate, 0xbb80);
661 open_voice (s, MC_INDEX, 48000);
662 }
663 dolog ("Setting extended audio control to %#x\n", val);
664 mixer_store (s, AC97_Extended_Audio_Ctrl_Stat, val);
665 break;
666 case AC97_PCM_Front_DAC_Rate:
667 if (mixer_load (s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRA) {
668 mixer_store (s, index, val);
669 dolog ("Set front DAC rate to %d\n", val);
670 open_voice (s, PO_INDEX, val);
671 }
672 else {
673 dolog ("Attempt to set front DAC rate to %d, "
674 "but VRA is not set\n",
675 val);
676 }
677 break;
678 case AC97_MIC_ADC_Rate:
679 if (mixer_load (s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRM) {
680 mixer_store (s, index, val);
681 dolog ("Set MIC ADC rate to %d\n", val);
682 open_voice (s, MC_INDEX, val);
683 }
684 else {
685 dolog ("Attempt to set MIC ADC rate to %d, "
686 "but VRM is not set\n",
687 val);
688 }
689 break;
690 case AC97_PCM_LR_ADC_Rate:
691 if (mixer_load (s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRA) {
692 mixer_store (s, index, val);
693 dolog ("Set front LR ADC rate to %d\n", val);
694 open_voice (s, PI_INDEX, val);
695 }
696 else {
697 dolog ("Attempt to set LR ADC rate to %d, but VRA is not set\n",
698 val);
699 }
700 break;
701 default:
702 dolog ("U nam writew %#x <- %#x\n", addr, val);
703 mixer_store (s, index, val);
704 break;
705 }
706 }
707
708 static void nam_writel (void *opaque, uint32_t addr, uint32_t val)
709 {
710 AC97LinkState *s = opaque;
711 dolog ("U nam writel %#x <- %#x\n", addr, val);
712 s->cas = 0;
713 }
714
715 /**
716 * Native audio bus master
717 * I/O Reads
718 */
719 static uint32_t nabm_readb (void *opaque, uint32_t addr)
720 {
721 AC97LinkState *s = opaque;
722 AC97BusMasterRegs *r = NULL;
723 uint32_t index = addr;
724 uint32_t val = ~0U;
725
726 switch (index) {
727 case CAS:
728 dolog ("CAS %d\n", s->cas);
729 val = s->cas;
730 s->cas = 1;
731 break;
732 case PI_CIV:
733 case PO_CIV:
734 case MC_CIV:
735 r = &s->bm_regs[GET_BM (index)];
736 val = r->civ;
737 dolog ("CIV[%d] -> %#x\n", GET_BM (index), val);
738 break;
739 case PI_LVI:
740 case PO_LVI:
741 case MC_LVI:
742 r = &s->bm_regs[GET_BM (index)];
743 val = r->lvi;
744 dolog ("LVI[%d] -> %#x\n", GET_BM (index), val);
745 break;
746 case PI_PIV:
747 case PO_PIV:
748 case MC_PIV:
749 r = &s->bm_regs[GET_BM (index)];
750 val = r->piv;
751 dolog ("PIV[%d] -> %#x\n", GET_BM (index), val);
752 break;
753 case PI_CR:
754 case PO_CR:
755 case MC_CR:
756 r = &s->bm_regs[GET_BM (index)];
757 val = r->cr;
758 dolog ("CR[%d] -> %#x\n", GET_BM (index), val);
759 break;
760 case PI_SR:
761 case PO_SR:
762 case MC_SR:
763 r = &s->bm_regs[GET_BM (index)];
764 val = r->sr & 0xff;
765 dolog ("SRb[%d] -> %#x\n", GET_BM (index), val);
766 break;
767 default:
768 dolog ("U nabm readb %#x -> %#x\n", addr, val);
769 break;
770 }
771 return val;
772 }
773
774 static uint32_t nabm_readw (void *opaque, uint32_t addr)
775 {
776 AC97LinkState *s = opaque;
777 AC97BusMasterRegs *r = NULL;
778 uint32_t index = addr;
779 uint32_t val = ~0U;
780
781 switch (index) {
782 case PI_SR:
783 case PO_SR:
784 case MC_SR:
785 r = &s->bm_regs[GET_BM (index)];
786 val = r->sr;
787 dolog ("SR[%d] -> %#x\n", GET_BM (index), val);
788 break;
789 case PI_PICB:
790 case PO_PICB:
791 case MC_PICB:
792 r = &s->bm_regs[GET_BM (index)];
793 val = r->picb;
794 dolog ("PICB[%d] -> %#x\n", GET_BM (index), val);
795 break;
796 default:
797 dolog ("U nabm readw %#x -> %#x\n", addr, val);
798 break;
799 }
800 return val;
801 }
802
803 static uint32_t nabm_readl (void *opaque, uint32_t addr)
804 {
805 AC97LinkState *s = opaque;
806 AC97BusMasterRegs *r = NULL;
807 uint32_t index = addr;
808 uint32_t val = ~0U;
809
810 switch (index) {
811 case PI_BDBAR:
812 case PO_BDBAR:
813 case MC_BDBAR:
814 r = &s->bm_regs[GET_BM (index)];
815 val = r->bdbar;
816 dolog ("BMADDR[%d] -> %#x\n", GET_BM (index), val);
817 break;
818 case PI_CIV:
819 case PO_CIV:
820 case MC_CIV:
821 r = &s->bm_regs[GET_BM (index)];
822 val = r->civ | (r->lvi << 8) | (r->sr << 16);
823 dolog ("CIV LVI SR[%d] -> %#x, %#x, %#x\n", GET_BM (index),
824 r->civ, r->lvi, r->sr);
825 break;
826 case PI_PICB:
827 case PO_PICB:
828 case MC_PICB:
829 r = &s->bm_regs[GET_BM (index)];
830 val = r->picb | (r->piv << 16) | (r->cr << 24);
831 dolog ("PICB PIV CR[%d] -> %#x %#x %#x %#x\n", GET_BM (index),
832 val, r->picb, r->piv, r->cr);
833 break;
834 case GLOB_CNT:
835 val = s->glob_cnt;
836 dolog ("glob_cnt -> %#x\n", val);
837 break;
838 case GLOB_STA:
839 val = s->glob_sta | GS_S0CR;
840 dolog ("glob_sta -> %#x\n", val);
841 break;
842 default:
843 dolog ("U nabm readl %#x -> %#x\n", addr, val);
844 break;
845 }
846 return val;
847 }
848
849 /**
850 * Native audio bus master
851 * I/O Writes
852 */
853 static void nabm_writeb (void *opaque, uint32_t addr, uint32_t val)
854 {
855 AC97LinkState *s = opaque;
856 AC97BusMasterRegs *r = NULL;
857 uint32_t index = addr;
858 switch (index) {
859 case PI_LVI:
860 case PO_LVI:
861 case MC_LVI:
862 r = &s->bm_regs[GET_BM (index)];
863 if ((r->cr & CR_RPBM) && (r->sr & SR_DCH)) {
864 r->sr &= ~(SR_DCH | SR_CELV);
865 r->civ = r->piv;
866 r->piv = (r->piv + 1) % 32;
867 fetch_bd (s, r);
868 }
869 r->lvi = val % 32;
870 dolog ("LVI[%d] <- %#x\n", GET_BM (index), val);
871 break;
872 case PI_CR:
873 case PO_CR:
874 case MC_CR:
875 r = &s->bm_regs[GET_BM (index)];
876 if (val & CR_RR) {
877 reset_bm_regs (s, r);
878 }
879 else {
880 r->cr = val & CR_VALID_MASK;
881 if (!(r->cr & CR_RPBM)) {
882 voice_set_active (s, r - s->bm_regs, 0);
883 r->sr |= SR_DCH;
884 }
885 else {
886 r->civ = r->piv;
887 r->piv = (r->piv + 1) % 32;
888 fetch_bd (s, r);
889 r->sr &= ~SR_DCH;
890 voice_set_active (s, r - s->bm_regs, 1);
891 }
892 }
893 dolog ("CR[%d] <- %#x (cr %#x)\n", GET_BM (index), val, r->cr);
894 break;
895 case PI_SR:
896 case PO_SR:
897 case MC_SR:
898 r = &s->bm_regs[GET_BM (index)];
899 r->sr |= val & ~(SR_RO_MASK | SR_WCLEAR_MASK);
900 update_sr (s, r, r->sr & ~(val & SR_WCLEAR_MASK));
901 dolog ("SR[%d] <- %#x (sr %#x)\n", GET_BM (index), val, r->sr);
902 break;
903 default:
904 dolog ("U nabm writeb %#x <- %#x\n", addr, val);
905 break;
906 }
907 }
908
909 static void nabm_writew (void *opaque, uint32_t addr, uint32_t val)
910 {
911 AC97LinkState *s = opaque;
912 AC97BusMasterRegs *r = NULL;
913 uint32_t index = addr;
914 switch (index) {
915 case PI_SR:
916 case PO_SR:
917 case MC_SR:
918 r = &s->bm_regs[GET_BM (index)];
919 r->sr |= val & ~(SR_RO_MASK | SR_WCLEAR_MASK);
920 update_sr (s, r, r->sr & ~(val & SR_WCLEAR_MASK));
921 dolog ("SR[%d] <- %#x (sr %#x)\n", GET_BM (index), val, r->sr);
922 break;
923 default:
924 dolog ("U nabm writew %#x <- %#x\n", addr, val);
925 break;
926 }
927 }
928
929 static void nabm_writel (void *opaque, uint32_t addr, uint32_t val)
930 {
931 AC97LinkState *s = opaque;
932 AC97BusMasterRegs *r = NULL;
933 uint32_t index = addr;
934 switch (index) {
935 case PI_BDBAR:
936 case PO_BDBAR:
937 case MC_BDBAR:
938 r = &s->bm_regs[GET_BM (index)];
939 r->bdbar = val & ~3;
940 dolog ("BDBAR[%d] <- %#x (bdbar %#x)\n",
941 GET_BM (index), val, r->bdbar);
942 break;
943 case GLOB_CNT:
944 if (val & GC_WR)
945 warm_reset (s);
946 if (val & GC_CR)
947 cold_reset (s);
948 if (!(val & (GC_WR | GC_CR)))
949 s->glob_cnt = val & GC_VALID_MASK;
950 dolog ("glob_cnt <- %#x (glob_cnt %#x)\n", val, s->glob_cnt);
951 break;
952 case GLOB_STA:
953 s->glob_sta &= ~(val & GS_WCLEAR_MASK);
954 s->glob_sta |= (val & ~(GS_WCLEAR_MASK | GS_RO_MASK)) & GS_VALID_MASK;
955 dolog ("glob_sta <- %#x (glob_sta %#x)\n", val, s->glob_sta);
956 break;
957 default:
958 dolog ("U nabm writel %#x <- %#x\n", addr, val);
959 break;
960 }
961 }
962
963 static int write_audio (AC97LinkState *s, AC97BusMasterRegs *r,
964 int max, int *stop)
965 {
966 uint8_t tmpbuf[4096];
967 uint32_t addr = r->bd.addr;
968 uint32_t temp = r->picb << 1;
969 uint32_t written = 0;
970 int to_copy = 0;
971 temp = audio_MIN (temp, max);
972
973 if (!temp) {
974 *stop = 1;
975 return 0;
976 }
977
978 while (temp) {
979 int copied;
980 to_copy = audio_MIN (temp, sizeof (tmpbuf));
981 pci_dma_read (&s->dev, addr, tmpbuf, to_copy);
982 copied = AUD_write (s->voice_po, tmpbuf, to_copy);
983 dolog ("write_audio max=%x to_copy=%x copied=%x\n",
984 max, to_copy, copied);
985 if (!copied) {
986 *stop = 1;
987 break;
988 }
989 temp -= copied;
990 addr += copied;
991 written += copied;
992 }
993
994 if (!temp) {
995 if (to_copy < 4) {
996 dolog ("whoops\n");
997 s->last_samp = 0;
998 }
999 else {
1000 s->last_samp = *(uint32_t *) &tmpbuf[to_copy - 4];
1001 }
1002 }
1003
1004 r->bd.addr = addr;
1005 return written;
1006 }
1007
1008 static void write_bup (AC97LinkState *s, int elapsed)
1009 {
1010 dolog ("write_bup\n");
1011 if (!(s->bup_flag & BUP_SET)) {
1012 if (s->bup_flag & BUP_LAST) {
1013 int i;
1014 uint8_t *p = s->silence;
1015 for (i = 0; i < sizeof (s->silence) / 4; i++, p += 4) {
1016 *(uint32_t *) p = s->last_samp;
1017 }
1018 }
1019 else {
1020 memset (s->silence, 0, sizeof (s->silence));
1021 }
1022 s->bup_flag |= BUP_SET;
1023 }
1024
1025 while (elapsed) {
1026 int temp = audio_MIN (elapsed, sizeof (s->silence));
1027 while (temp) {
1028 int copied = AUD_write (s->voice_po, s->silence, temp);
1029 if (!copied)
1030 return;
1031 temp -= copied;
1032 elapsed -= copied;
1033 }
1034 }
1035 }
1036
1037 static int read_audio (AC97LinkState *s, AC97BusMasterRegs *r,
1038 int max, int *stop)
1039 {
1040 uint8_t tmpbuf[4096];
1041 uint32_t addr = r->bd.addr;
1042 uint32_t temp = r->picb << 1;
1043 uint32_t nread = 0;
1044 int to_copy = 0;
1045 SWVoiceIn *voice = (r - s->bm_regs) == MC_INDEX ? s->voice_mc : s->voice_pi;
1046
1047 temp = audio_MIN (temp, max);
1048
1049 if (!temp) {
1050 *stop = 1;
1051 return 0;
1052 }
1053
1054 while (temp) {
1055 int acquired;
1056 to_copy = audio_MIN (temp, sizeof (tmpbuf));
1057 acquired = AUD_read (voice, tmpbuf, to_copy);
1058 if (!acquired) {
1059 *stop = 1;
1060 break;
1061 }
1062 pci_dma_write (&s->dev, addr, tmpbuf, acquired);
1063 temp -= acquired;
1064 addr += acquired;
1065 nread += acquired;
1066 }
1067
1068 r->bd.addr = addr;
1069 return nread;
1070 }
1071
1072 static void transfer_audio (AC97LinkState *s, int index, int elapsed)
1073 {
1074 AC97BusMasterRegs *r = &s->bm_regs[index];
1075 int stop = 0;
1076
1077 if (s->invalid_freq[index]) {
1078 AUD_log ("ac97", "attempt to use voice %d with invalid frequency %d\n",
1079 index, s->invalid_freq[index]);
1080 return;
1081 }
1082
1083 if (r->sr & SR_DCH) {
1084 if (r->cr & CR_RPBM) {
1085 switch (index) {
1086 case PO_INDEX:
1087 write_bup (s, elapsed);
1088 break;
1089 }
1090 }
1091 return;
1092 }
1093
1094 while ((elapsed >> 1) && !stop) {
1095 int temp;
1096
1097 if (!r->bd_valid) {
1098 dolog ("invalid bd\n");
1099 fetch_bd (s, r);
1100 }
1101
1102 if (!r->picb) {
1103 dolog ("fresh bd %d is empty %#x %#x\n",
1104 r->civ, r->bd.addr, r->bd.ctl_len);
1105 if (r->civ == r->lvi) {
1106 r->sr |= SR_DCH; /* CELV? */
1107 s->bup_flag = 0;
1108 break;
1109 }
1110 r->sr &= ~SR_CELV;
1111 r->civ = r->piv;
1112 r->piv = (r->piv + 1) % 32;
1113 fetch_bd (s, r);
1114 return;
1115 }
1116
1117 switch (index) {
1118 case PO_INDEX:
1119 temp = write_audio (s, r, elapsed, &stop);
1120 elapsed -= temp;
1121 r->picb -= (temp >> 1);
1122 break;
1123
1124 case PI_INDEX:
1125 case MC_INDEX:
1126 temp = read_audio (s, r, elapsed, &stop);
1127 elapsed -= temp;
1128 r->picb -= (temp >> 1);
1129 break;
1130 }
1131
1132 if (!r->picb) {
1133 uint32_t new_sr = r->sr & ~SR_CELV;
1134
1135 if (r->bd.ctl_len & BD_IOC) {
1136 new_sr |= SR_BCIS;
1137 }
1138
1139 if (r->civ == r->lvi) {
1140 dolog ("Underrun civ (%d) == lvi (%d)\n", r->civ, r->lvi);
1141
1142 new_sr |= SR_LVBCI | SR_DCH | SR_CELV;
1143 stop = 1;
1144 s->bup_flag = (r->bd.ctl_len & BD_BUP) ? BUP_LAST : 0;
1145 }
1146 else {
1147 r->civ = r->piv;
1148 r->piv = (r->piv + 1) % 32;
1149 fetch_bd (s, r);
1150 }
1151
1152 update_sr (s, r, new_sr);
1153 }
1154 }
1155 }
1156
1157 static void pi_callback (void *opaque, int avail)
1158 {
1159 transfer_audio (opaque, PI_INDEX, avail);
1160 }
1161
1162 static void mc_callback (void *opaque, int avail)
1163 {
1164 transfer_audio (opaque, MC_INDEX, avail);
1165 }
1166
1167 static void po_callback (void *opaque, int free)
1168 {
1169 transfer_audio (opaque, PO_INDEX, free);
1170 }
1171
1172 static const VMStateDescription vmstate_ac97_bm_regs = {
1173 .name = "ac97_bm_regs",
1174 .version_id = 1,
1175 .minimum_version_id = 1,
1176 .minimum_version_id_old = 1,
1177 .fields = (VMStateField []) {
1178 VMSTATE_UINT32(bdbar, AC97BusMasterRegs),
1179 VMSTATE_UINT8(civ, AC97BusMasterRegs),
1180 VMSTATE_UINT8(lvi, AC97BusMasterRegs),
1181 VMSTATE_UINT16(sr, AC97BusMasterRegs),
1182 VMSTATE_UINT16(picb, AC97BusMasterRegs),
1183 VMSTATE_UINT8(piv, AC97BusMasterRegs),
1184 VMSTATE_UINT8(cr, AC97BusMasterRegs),
1185 VMSTATE_UINT32(bd_valid, AC97BusMasterRegs),
1186 VMSTATE_UINT32(bd.addr, AC97BusMasterRegs),
1187 VMSTATE_UINT32(bd.ctl_len, AC97BusMasterRegs),
1188 VMSTATE_END_OF_LIST()
1189 }
1190 };
1191
1192 static int ac97_post_load (void *opaque, int version_id)
1193 {
1194 uint8_t active[LAST_INDEX];
1195 AC97LinkState *s = opaque;
1196
1197 #ifdef USE_MIXER
1198 record_select (s, mixer_load (s, AC97_Record_Select));
1199 #define V_(a, b) set_volume (s, a, b, mixer_load (s, a))
1200 V_ (AC97_Master_Volume_Mute, AUD_MIXER_VOLUME);
1201 V_ (AC97_PCM_Out_Volume_Mute, AUD_MIXER_PCM);
1202 V_ (AC97_Line_In_Volume_Mute, AUD_MIXER_LINE_IN);
1203 #undef V_
1204 #endif
1205 active[PI_INDEX] = !!(s->bm_regs[PI_INDEX].cr & CR_RPBM);
1206 active[PO_INDEX] = !!(s->bm_regs[PO_INDEX].cr & CR_RPBM);
1207 active[MC_INDEX] = !!(s->bm_regs[MC_INDEX].cr & CR_RPBM);
1208 reset_voices (s, active);
1209
1210 s->bup_flag = 0;
1211 s->last_samp = 0;
1212 return 0;
1213 }
1214
1215 static bool is_version_2 (void *opaque, int version_id)
1216 {
1217 return version_id == 2;
1218 }
1219
1220 static const VMStateDescription vmstate_ac97 = {
1221 .name = "ac97",
1222 .version_id = 3,
1223 .minimum_version_id = 2,
1224 .minimum_version_id_old = 2,
1225 .post_load = ac97_post_load,
1226 .fields = (VMStateField []) {
1227 VMSTATE_PCI_DEVICE(dev, AC97LinkState),
1228 VMSTATE_UINT32(glob_cnt, AC97LinkState),
1229 VMSTATE_UINT32(glob_sta, AC97LinkState),
1230 VMSTATE_UINT32(cas, AC97LinkState),
1231 VMSTATE_STRUCT_ARRAY(bm_regs, AC97LinkState, 3, 1,
1232 vmstate_ac97_bm_regs, AC97BusMasterRegs),
1233 VMSTATE_BUFFER(mixer_data, AC97LinkState),
1234 VMSTATE_UNUSED_TEST(is_version_2, 3),
1235 VMSTATE_END_OF_LIST()
1236 }
1237 };
1238
1239 static const MemoryRegionPortio nam_portio[] = {
1240 { 0, 256 * 1, 1, .read = nam_readb, },
1241 { 0, 256 * 2, 2, .read = nam_readw, },
1242 { 0, 256 * 4, 4, .read = nam_readl, },
1243 { 0, 256 * 1, 1, .write = nam_writeb, },
1244 { 0, 256 * 2, 2, .write = nam_writew, },
1245 { 0, 256 * 4, 4, .write = nam_writel, },
1246 PORTIO_END_OF_LIST(),
1247 };
1248
1249 static const MemoryRegionOps ac97_io_nam_ops = {
1250 .old_portio = nam_portio,
1251 };
1252
1253 static const MemoryRegionPortio nabm_portio[] = {
1254 { 0, 64 * 1, 1, .read = nabm_readb, },
1255 { 0, 64 * 2, 2, .read = nabm_readw, },
1256 { 0, 64 * 4, 4, .read = nabm_readl, },
1257 { 0, 64 * 1, 1, .write = nabm_writeb, },
1258 { 0, 64 * 2, 2, .write = nabm_writew, },
1259 { 0, 64 * 4, 4, .write = nabm_writel, },
1260 PORTIO_END_OF_LIST()
1261 };
1262
1263 static const MemoryRegionOps ac97_io_nabm_ops = {
1264 .old_portio = nabm_portio,
1265 };
1266
1267 static void ac97_on_reset (void *opaque)
1268 {
1269 AC97LinkState *s = opaque;
1270
1271 reset_bm_regs (s, &s->bm_regs[0]);
1272 reset_bm_regs (s, &s->bm_regs[1]);
1273 reset_bm_regs (s, &s->bm_regs[2]);
1274
1275 /*
1276 * Reset the mixer too. The Windows XP driver seems to rely on
1277 * this. At least it wants to read the vendor id before it resets
1278 * the codec manually.
1279 */
1280 mixer_reset (s);
1281 }
1282
1283 static int ac97_initfn (PCIDevice *dev)
1284 {
1285 AC97LinkState *s = DO_UPCAST (AC97LinkState, dev, dev);
1286 uint8_t *c = s->dev.config;
1287
1288 /* TODO: no need to override */
1289 c[PCI_COMMAND] = 0x00; /* pcicmd pci command rw, ro */
1290 c[PCI_COMMAND + 1] = 0x00;
1291
1292 /* TODO: */
1293 c[PCI_STATUS] = PCI_STATUS_FAST_BACK; /* pcists pci status rwc, ro */
1294 c[PCI_STATUS + 1] = PCI_STATUS_DEVSEL_MEDIUM >> 8;
1295
1296 c[PCI_CLASS_PROG] = 0x00; /* pi programming interface ro */
1297
1298 /* TODO set when bar is registered. no need to override. */
1299 /* nabmar native audio mixer base address rw */
1300 c[PCI_BASE_ADDRESS_0] = PCI_BASE_ADDRESS_SPACE_IO;
1301 c[PCI_BASE_ADDRESS_0 + 1] = 0x00;
1302 c[PCI_BASE_ADDRESS_0 + 2] = 0x00;
1303 c[PCI_BASE_ADDRESS_0 + 3] = 0x00;
1304
1305 /* TODO set when bar is registered. no need to override. */
1306 /* nabmbar native audio bus mastering base address rw */
1307 c[PCI_BASE_ADDRESS_0 + 4] = PCI_BASE_ADDRESS_SPACE_IO;
1308 c[PCI_BASE_ADDRESS_0 + 5] = 0x00;
1309 c[PCI_BASE_ADDRESS_0 + 6] = 0x00;
1310 c[PCI_BASE_ADDRESS_0 + 7] = 0x00;
1311
1312 if (s->use_broken_id) {
1313 c[PCI_SUBSYSTEM_VENDOR_ID] = 0x86;
1314 c[PCI_SUBSYSTEM_VENDOR_ID + 1] = 0x80;
1315 c[PCI_SUBSYSTEM_ID] = 0x00;
1316 c[PCI_SUBSYSTEM_ID + 1] = 0x00;
1317 }
1318
1319 c[PCI_INTERRUPT_LINE] = 0x00; /* intr_ln interrupt line rw */
1320 c[PCI_INTERRUPT_PIN] = 0x01; /* intr_pn interrupt pin ro */
1321
1322 memory_region_init_io (&s->io_nam, &ac97_io_nam_ops, s, "ac97-nam", 1024);
1323 memory_region_init_io (&s->io_nabm, &ac97_io_nabm_ops, s, "ac97-nabm", 256);
1324 pci_register_bar (&s->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io_nam);
1325 pci_register_bar (&s->dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->io_nabm);
1326 qemu_register_reset (ac97_on_reset, s);
1327 AUD_register_card ("ac97", &s->card);
1328 ac97_on_reset (s);
1329 return 0;
1330 }
1331
1332 static int ac97_exitfn (PCIDevice *dev)
1333 {
1334 AC97LinkState *s = DO_UPCAST (AC97LinkState, dev, dev);
1335
1336 memory_region_destroy (&s->io_nam);
1337 memory_region_destroy (&s->io_nabm);
1338 return 0;
1339 }
1340
1341 int ac97_init (PCIBus *bus)
1342 {
1343 pci_create_simple (bus, -1, "AC97");
1344 return 0;
1345 }
1346
1347 static Property ac97_properties[] = {
1348 DEFINE_PROP_UINT32("use_broken_id", AC97LinkState, use_broken_id, 0),
1349 DEFINE_PROP_END_OF_LIST(),
1350 };
1351
1352 static void ac97_class_init(ObjectClass *klass, void *data)
1353 {
1354 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1355
1356 k->init = ac97_initfn;
1357 k->exit = ac97_exitfn;
1358 k->vendor_id = PCI_VENDOR_ID_INTEL;
1359 k->device_id = PCI_DEVICE_ID_INTEL_82801AA_5;
1360 k->revision = 0x01;
1361 k->class_id = PCI_CLASS_MULTIMEDIA_AUDIO;
1362 }
1363
1364 static DeviceInfo ac97_info = {
1365 .name = "AC97",
1366 .desc = "Intel 82801AA AC97 Audio",
1367 .size = sizeof (AC97LinkState),
1368 .vmsd = &vmstate_ac97,
1369 .props = ac97_properties,
1370 .class_init = ac97_class_init,
1371 };
1372
1373 static void ac97_register (void)
1374 {
1375 pci_qdev_register (&ac97_info);
1376 }
1377 device_init (ac97_register);
1378