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target/mips: Remove XBurst Media eXtension Unit dead code
[qemu/ar7.git] / hw / audio / ac97.c
blob3cb81310607fe64d4b1fb58834e2b3f57ad19cb3
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 "qemu/osdep.h"
21 #include "hw/audio/soundhw.h"
22 #include "audio/audio.h"
23 #include "hw/pci/pci.h"
24 #include "hw/qdev-properties.h"
25 #include "migration/vmstate.h"
26 #include "qemu/module.h"
27 #include "sysemu/dma.h"
28 #include "qom/object.h"
29
30 enum {
31 AC97_Reset = 0x00,
32 AC97_Master_Volume_Mute = 0x02,
33 AC97_Headphone_Volume_Mute = 0x04,
34 AC97_Master_Volume_Mono_Mute = 0x06,
35 AC97_Master_Tone_RL = 0x08,
36 AC97_PC_BEEP_Volume_Mute = 0x0A,
37 AC97_Phone_Volume_Mute = 0x0C,
38 AC97_Mic_Volume_Mute = 0x0E,
39 AC97_Line_In_Volume_Mute = 0x10,
40 AC97_CD_Volume_Mute = 0x12,
41 AC97_Video_Volume_Mute = 0x14,
42 AC97_Aux_Volume_Mute = 0x16,
43 AC97_PCM_Out_Volume_Mute = 0x18,
44 AC97_Record_Select = 0x1A,
45 AC97_Record_Gain_Mute = 0x1C,
46 AC97_Record_Gain_Mic_Mute = 0x1E,
47 AC97_General_Purpose = 0x20,
48 AC97_3D_Control = 0x22,
49 AC97_AC_97_RESERVED = 0x24,
50 AC97_Powerdown_Ctrl_Stat = 0x26,
51 AC97_Extended_Audio_ID = 0x28,
52 AC97_Extended_Audio_Ctrl_Stat = 0x2A,
53 AC97_PCM_Front_DAC_Rate = 0x2C,
54 AC97_PCM_Surround_DAC_Rate = 0x2E,
55 AC97_PCM_LFE_DAC_Rate = 0x30,
56 AC97_PCM_LR_ADC_Rate = 0x32,
57 AC97_MIC_ADC_Rate = 0x34,
58 AC97_6Ch_Vol_C_LFE_Mute = 0x36,
59 AC97_6Ch_Vol_L_R_Surround_Mute = 0x38,
60 AC97_Vendor_Reserved = 0x58,
61 AC97_Sigmatel_Analog = 0x6c, /* We emulate a Sigmatel codec */
62 AC97_Sigmatel_Dac2Invert = 0x6e, /* We emulate a Sigmatel codec */
63 AC97_Vendor_ID1 = 0x7c,
64 AC97_Vendor_ID2 = 0x7e
65 };
66
67 #define SOFT_VOLUME
68 #define SR_FIFOE 16 /* rwc */
69 #define SR_BCIS 8 /* rwc */
70 #define SR_LVBCI 4 /* rwc */
71 #define SR_CELV 2 /* ro */
72 #define SR_DCH 1 /* ro */
73 #define SR_VALID_MASK ((1 << 5) - 1)
74 #define SR_WCLEAR_MASK (SR_FIFOE | SR_BCIS | SR_LVBCI)
75 #define SR_RO_MASK (SR_DCH | SR_CELV)
76 #define SR_INT_MASK (SR_FIFOE | SR_BCIS | SR_LVBCI)
77
78 #define CR_IOCE 16 /* rw */
79 #define CR_FEIE 8 /* rw */
80 #define CR_LVBIE 4 /* rw */
81 #define CR_RR 2 /* rw */
82 #define CR_RPBM 1 /* rw */
83 #define CR_VALID_MASK ((1 << 5) - 1)
84 #define CR_DONT_CLEAR_MASK (CR_IOCE | CR_FEIE | CR_LVBIE)
85
86 #define GC_WR 4 /* rw */
87 #define GC_CR 2 /* rw */
88 #define GC_VALID_MASK ((1 << 6) - 1)
89
90 #define GS_MD3 (1<<17) /* rw */
91 #define GS_AD3 (1<<16) /* rw */
92 #define GS_RCS (1<<15) /* rwc */
93 #define GS_B3S12 (1<<14) /* ro */
94 #define GS_B2S12 (1<<13) /* ro */
95 #define GS_B1S12 (1<<12) /* ro */
96 #define GS_S1R1 (1<<11) /* rwc */
97 #define GS_S0R1 (1<<10) /* rwc */
98 #define GS_S1CR (1<<9) /* ro */
99 #define GS_S0CR (1<<8) /* ro */
100 #define GS_MINT (1<<7) /* ro */
101 #define GS_POINT (1<<6) /* ro */
102 #define GS_PIINT (1<<5) /* ro */
103 #define GS_RSRVD ((1<<4)|(1<<3))
104 #define GS_MOINT (1<<2) /* ro */
105 #define GS_MIINT (1<<1) /* ro */
106 #define GS_GSCI 1 /* rwc */
107 #define GS_RO_MASK (GS_B3S12| \
108 GS_B2S12| \
109 GS_B1S12| \
110 GS_S1CR| \
111 GS_S0CR| \
112 GS_MINT| \
113 GS_POINT| \
114 GS_PIINT| \
115 GS_RSRVD| \
116 GS_MOINT| \
117 GS_MIINT)
118 #define GS_VALID_MASK ((1 << 18) - 1)
119 #define GS_WCLEAR_MASK (GS_RCS|GS_S1R1|GS_S0R1|GS_GSCI)
120
121 #define BD_IOC (1<<31)
122 #define BD_BUP (1<<30)
123
124 #define EACS_VRA 1
125 #define EACS_VRM 8
126
127 #define MUTE_SHIFT 15
128
129 #define TYPE_AC97 "AC97"
130 OBJECT_DECLARE_SIMPLE_TYPE(AC97LinkState, AC97)
131
132 #define REC_MASK 7
133 enum {
134 REC_MIC = 0,
135 REC_CD,
136 REC_VIDEO,
137 REC_AUX,
138 REC_LINE_IN,
139 REC_STEREO_MIX,
140 REC_MONO_MIX,
141 REC_PHONE
142 };
143
144 typedef struct BD {
145 uint32_t addr;
146 uint32_t ctl_len;
147 } BD;
148
149 typedef struct AC97BusMasterRegs {
150 uint32_t bdbar; /* rw 0 */
151 uint8_t civ; /* ro 0 */
152 uint8_t lvi; /* rw 0 */
153 uint16_t sr; /* rw 1 */
154 uint16_t picb; /* ro 0 */
155 uint8_t piv; /* ro 0 */
156 uint8_t cr; /* rw 0 */
157 unsigned int bd_valid;
158 BD bd;
159 } AC97BusMasterRegs;
160
161 struct AC97LinkState {
162 PCIDevice dev;
163 QEMUSoundCard card;
164 uint32_t glob_cnt;
165 uint32_t glob_sta;
166 uint32_t cas;
167 uint32_t last_samp;
168 AC97BusMasterRegs bm_regs[3];
169 uint8_t mixer_data[256];
170 SWVoiceIn *voice_pi;
171 SWVoiceOut *voice_po;
172 SWVoiceIn *voice_mc;
173 int invalid_freq[3];
174 uint8_t silence[128];
175 int bup_flag;
176 MemoryRegion io_nam;
177 MemoryRegion io_nabm;
178 };
179
180 enum {
181 BUP_SET = 1,
182 BUP_LAST = 2
183 };
184
185 #ifdef DEBUG_AC97
186 #define dolog(...) AUD_log ("ac97", __VA_ARGS__)
187 #else
188 #define dolog(...)
189 #endif
190
191 #define MKREGS(prefix, start) \
192 enum { \
193 prefix ## _BDBAR = start, \
194 prefix ## _CIV = start + 4, \
195 prefix ## _LVI = start + 5, \
196 prefix ## _SR = start + 6, \
197 prefix ## _PICB = start + 8, \
198 prefix ## _PIV = start + 10, \
199 prefix ## _CR = start + 11 \
200 }
201
202 enum {
203 PI_INDEX = 0,
204 PO_INDEX,
205 MC_INDEX,
206 LAST_INDEX
207 };
208
209 MKREGS (PI, PI_INDEX * 16);
210 MKREGS (PO, PO_INDEX * 16);
211 MKREGS (MC, MC_INDEX * 16);
212
213 enum {
214 GLOB_CNT = 0x2c,
215 GLOB_STA = 0x30,
216 CAS = 0x34
217 };
218
219 #define GET_BM(index) (((index) >> 4) & 3)
220
221 static void po_callback (void *opaque, int free);
222 static void pi_callback (void *opaque, int avail);
223 static void mc_callback (void *opaque, int avail);
224
225 static void warm_reset (AC97LinkState *s)
226 {
227 (void) s;
228 }
229
230 static void cold_reset (AC97LinkState * s)
231 {
232 (void) s;
233 }
234
235 static void fetch_bd (AC97LinkState *s, AC97BusMasterRegs *r)
236 {
237 uint8_t b[8];
238
239 pci_dma_read (&s->dev, r->bdbar + r->civ * 8, b, 8);
240 r->bd_valid = 1;
241 r->bd.addr = le32_to_cpu (*(uint32_t *) &b[0]) & ~3;
242 r->bd.ctl_len = le32_to_cpu (*(uint32_t *) &b[4]);
243 r->picb = r->bd.ctl_len & 0xffff;
244 dolog ("bd %2d addr=%#x ctl=%#06x len=%#x(%d bytes)\n",
245 r->civ, r->bd.addr, r->bd.ctl_len >> 16,
246 r->bd.ctl_len & 0xffff,
247 (r->bd.ctl_len & 0xffff) << 1);
248 }
249
250 static void update_sr (AC97LinkState *s, AC97BusMasterRegs *r, uint32_t new_sr)
251 {
252 int event = 0;
253 int level = 0;
254 uint32_t new_mask = new_sr & SR_INT_MASK;
255 uint32_t old_mask = r->sr & SR_INT_MASK;
256 uint32_t masks[] = {GS_PIINT, GS_POINT, GS_MINT};
257
258 if (new_mask ^ old_mask) {
259 /** @todo is IRQ deasserted when only one of status bits is cleared? */
260 if (!new_mask) {
261 event = 1;
262 level = 0;
263 }
264 else {
265 if ((new_mask & SR_LVBCI) && (r->cr & CR_LVBIE)) {
266 event = 1;
267 level = 1;
268 }
269 if ((new_mask & SR_BCIS) && (r->cr & CR_IOCE)) {
270 event = 1;
271 level = 1;
272 }
273 }
274 }
275
276 r->sr = new_sr;
277
278 dolog ("IOC%d LVB%d sr=%#x event=%d level=%d\n",
279 r->sr & SR_BCIS, r->sr & SR_LVBCI,
280 r->sr,
281 event, level);
282
283 if (!event)
284 return;
285
286 if (level) {
287 s->glob_sta |= masks[r - s->bm_regs];
288 dolog ("set irq level=1\n");
289 pci_irq_assert(&s->dev);
290 }
291 else {
292 s->glob_sta &= ~masks[r - s->bm_regs];
293 dolog ("set irq level=0\n");
294 pci_irq_deassert(&s->dev);
295 }
296 }
297
298 static void voice_set_active (AC97LinkState *s, int bm_index, int on)
299 {
300 switch (bm_index) {
301 case PI_INDEX:
302 AUD_set_active_in (s->voice_pi, on);
303 break;
304
305 case PO_INDEX:
306 AUD_set_active_out (s->voice_po, on);
307 break;
308
309 case MC_INDEX:
310 AUD_set_active_in (s->voice_mc, on);
311 break;
312
313 default:
314 AUD_log ("ac97", "invalid bm_index(%d) in voice_set_active", bm_index);
315 break;
316 }
317 }
318
319 static void reset_bm_regs (AC97LinkState *s, AC97BusMasterRegs *r)
320 {
321 dolog ("reset_bm_regs\n");
322 r->bdbar = 0;
323 r->civ = 0;
324 r->lvi = 0;
325 /** todo do we need to do that? */
326 update_sr (s, r, SR_DCH);
327 r->picb = 0;
328 r->piv = 0;
329 r->cr = r->cr & CR_DONT_CLEAR_MASK;
330 r->bd_valid = 0;
331
332 voice_set_active (s, r - s->bm_regs, 0);
333 memset (s->silence, 0, sizeof (s->silence));
334 }
335
336 static void mixer_store (AC97LinkState *s, uint32_t i, uint16_t v)
337 {
338 if (i + 2 > sizeof (s->mixer_data)) {
339 dolog ("mixer_store: index %d out of bounds %zd\n",
340 i, sizeof (s->mixer_data));
341 return;
342 }
343
344 s->mixer_data[i + 0] = v & 0xff;
345 s->mixer_data[i + 1] = v >> 8;
346 }
347
348 static uint16_t mixer_load (AC97LinkState *s, uint32_t i)
349 {
350 uint16_t val = 0xffff;
351
352 if (i + 2 > sizeof (s->mixer_data)) {
353 dolog ("mixer_load: index %d out of bounds %zd\n",
354 i, sizeof (s->mixer_data));
355 }
356 else {
357 val = s->mixer_data[i + 0] | (s->mixer_data[i + 1] << 8);
358 }
359
360 return val;
361 }
362
363 static void open_voice (AC97LinkState *s, int index, int freq)
364 {
365 struct audsettings as;
366
367 as.freq = freq;
368 as.nchannels = 2;
369 as.fmt = AUDIO_FORMAT_S16;
370 as.endianness = 0;
371
372 if (freq > 0) {
373 s->invalid_freq[index] = 0;
374 switch (index) {
375 case PI_INDEX:
376 s->voice_pi = AUD_open_in (
377 &s->card,
378 s->voice_pi,
379 "ac97.pi",
380 s,
381 pi_callback,
382 &as
383 );
384 break;
385
386 case PO_INDEX:
387 s->voice_po = AUD_open_out (
388 &s->card,
389 s->voice_po,
390 "ac97.po",
391 s,
392 po_callback,
393 &as
394 );
395 break;
396
397 case MC_INDEX:
398 s->voice_mc = AUD_open_in (
399 &s->card,
400 s->voice_mc,
401 "ac97.mc",
402 s,
403 mc_callback,
404 &as
405 );
406 break;
407 }
408 }
409 else {
410 s->invalid_freq[index] = freq;
411 switch (index) {
412 case PI_INDEX:
413 AUD_close_in (&s->card, s->voice_pi);
414 s->voice_pi = NULL;
415 break;
416
417 case PO_INDEX:
418 AUD_close_out (&s->card, s->voice_po);
419 s->voice_po = NULL;
420 break;
421
422 case MC_INDEX:
423 AUD_close_in (&s->card, s->voice_mc);
424 s->voice_mc = NULL;
425 break;
426 }
427 }
428 }
429
430 static void reset_voices (AC97LinkState *s, uint8_t active[LAST_INDEX])
431 {
432 uint16_t freq;
433
434 freq = mixer_load (s, AC97_PCM_LR_ADC_Rate);
435 open_voice (s, PI_INDEX, freq);
436 AUD_set_active_in (s->voice_pi, active[PI_INDEX]);
437
438 freq = mixer_load (s, AC97_PCM_Front_DAC_Rate);
439 open_voice (s, PO_INDEX, freq);
440 AUD_set_active_out (s->voice_po, active[PO_INDEX]);
441
442 freq = mixer_load (s, AC97_MIC_ADC_Rate);
443 open_voice (s, MC_INDEX, freq);
444 AUD_set_active_in (s->voice_mc, active[MC_INDEX]);
445 }
446
447 static void get_volume (uint16_t vol, uint16_t mask, int inverse,
448 int *mute, uint8_t *lvol, uint8_t *rvol)
449 {
450 *mute = (vol >> MUTE_SHIFT) & 1;
451 *rvol = (255 * (vol & mask)) / mask;
452 *lvol = (255 * ((vol >> 8) & mask)) / mask;
453
454 if (inverse) {
455 *rvol = 255 - *rvol;
456 *lvol = 255 - *lvol;
457 }
458 }
459
460 static void update_combined_volume_out (AC97LinkState *s)
461 {
462 uint8_t lvol, rvol, plvol, prvol;
463 int mute, pmute;
464
465 get_volume (mixer_load (s, AC97_Master_Volume_Mute), 0x3f, 1,
466 &mute, &lvol, &rvol);
467 get_volume (mixer_load (s, AC97_PCM_Out_Volume_Mute), 0x1f, 1,
468 &pmute, &plvol, &prvol);
469
470 mute = mute | pmute;
471 lvol = (lvol * plvol) / 255;
472 rvol = (rvol * prvol) / 255;
473
474 AUD_set_volume_out (s->voice_po, mute, lvol, rvol);
475 }
476
477 static void update_volume_in (AC97LinkState *s)
478 {
479 uint8_t lvol, rvol;
480 int mute;
481
482 get_volume (mixer_load (s, AC97_Record_Gain_Mute), 0x0f, 0,
483 &mute, &lvol, &rvol);
484
485 AUD_set_volume_in (s->voice_pi, mute, lvol, rvol);
486 }
487
488 static void set_volume (AC97LinkState *s, int index, uint32_t val)
489 {
490 switch (index) {
491 case AC97_Master_Volume_Mute:
492 val &= 0xbf3f;
493 mixer_store (s, index, val);
494 update_combined_volume_out (s);
495 break;
496 case AC97_PCM_Out_Volume_Mute:
497 val &= 0x9f1f;
498 mixer_store (s, index, val);
499 update_combined_volume_out (s);
500 break;
501 case AC97_Record_Gain_Mute:
502 val &= 0x8f0f;
503 mixer_store (s, index, val);
504 update_volume_in (s);
505 break;
506 }
507 }
508
509 static void record_select (AC97LinkState *s, uint32_t val)
510 {
511 uint8_t rs = val & REC_MASK;
512 uint8_t ls = (val >> 8) & REC_MASK;
513 mixer_store (s, AC97_Record_Select, rs | (ls << 8));
514 }
515
516 static void mixer_reset (AC97LinkState *s)
517 {
518 uint8_t active[LAST_INDEX];
519
520 dolog ("mixer_reset\n");
521 memset (s->mixer_data, 0, sizeof (s->mixer_data));
522 memset (active, 0, sizeof (active));
523 mixer_store (s, AC97_Reset , 0x0000); /* 6940 */
524 mixer_store (s, AC97_Headphone_Volume_Mute , 0x0000);
525 mixer_store (s, AC97_Master_Volume_Mono_Mute , 0x0000);
526 mixer_store (s, AC97_Master_Tone_RL, 0x0000);
527 mixer_store (s, AC97_PC_BEEP_Volume_Mute , 0x0000);
528 mixer_store (s, AC97_Phone_Volume_Mute , 0x0000);
529 mixer_store (s, AC97_Mic_Volume_Mute , 0x0000);
530 mixer_store (s, AC97_Line_In_Volume_Mute , 0x0000);
531 mixer_store (s, AC97_CD_Volume_Mute , 0x0000);
532 mixer_store (s, AC97_Video_Volume_Mute , 0x0000);
533 mixer_store (s, AC97_Aux_Volume_Mute , 0x0000);
534 mixer_store (s, AC97_Record_Gain_Mic_Mute , 0x0000);
535 mixer_store (s, AC97_General_Purpose , 0x0000);
536 mixer_store (s, AC97_3D_Control , 0x0000);
537 mixer_store (s, AC97_Powerdown_Ctrl_Stat , 0x000f);
538
539 /*
540 * Sigmatel 9700 (STAC9700)
541 */
542 mixer_store (s, AC97_Vendor_ID1 , 0x8384);
543 mixer_store (s, AC97_Vendor_ID2 , 0x7600); /* 7608 */
544
545 mixer_store (s, AC97_Extended_Audio_ID , 0x0809);
546 mixer_store (s, AC97_Extended_Audio_Ctrl_Stat, 0x0009);
547 mixer_store (s, AC97_PCM_Front_DAC_Rate , 0xbb80);
548 mixer_store (s, AC97_PCM_Surround_DAC_Rate , 0xbb80);
549 mixer_store (s, AC97_PCM_LFE_DAC_Rate , 0xbb80);
550 mixer_store (s, AC97_PCM_LR_ADC_Rate , 0xbb80);
551 mixer_store (s, AC97_MIC_ADC_Rate , 0xbb80);
552
553 record_select (s, 0);
554 set_volume (s, AC97_Master_Volume_Mute, 0x8000);
555 set_volume (s, AC97_PCM_Out_Volume_Mute, 0x8808);
556 set_volume (s, AC97_Record_Gain_Mute, 0x8808);
557
558 reset_voices (s, active);
559 }
560
561 /**
562 * Native audio mixer
563 * I/O Reads
564 */
565 static uint32_t nam_readb (void *opaque, uint32_t addr)
566 {
567 AC97LinkState *s = opaque;
568 dolog ("U nam readb %#x\n", addr);
569 s->cas = 0;
570 return ~0U;
571 }
572
573 static uint32_t nam_readw (void *opaque, uint32_t addr)
574 {
575 AC97LinkState *s = opaque;
576 uint32_t index = addr;
577 s->cas = 0;
578 return mixer_load(s, index);
579 }
580
581 static uint32_t nam_readl (void *opaque, uint32_t addr)
582 {
583 AC97LinkState *s = opaque;
584 dolog ("U nam readl %#x\n", addr);
585 s->cas = 0;
586 return ~0U;
587 }
588
589 /**
590 * Native audio mixer
591 * I/O Writes
592 */
593 static void nam_writeb (void *opaque, uint32_t addr, uint32_t val)
594 {
595 AC97LinkState *s = opaque;
596 dolog ("U nam writeb %#x <- %#x\n", addr, val);
597 s->cas = 0;
598 }
599
600 static void nam_writew (void *opaque, uint32_t addr, uint32_t val)
601 {
602 AC97LinkState *s = opaque;
603 uint32_t index = addr;
604 s->cas = 0;
605 switch (index) {
606 case AC97_Reset:
607 mixer_reset (s);
608 break;
609 case AC97_Powerdown_Ctrl_Stat:
610 val &= ~0x800f;
611 val |= mixer_load (s, index) & 0xf;
612 mixer_store (s, index, val);
613 break;
614 case AC97_PCM_Out_Volume_Mute:
615 case AC97_Master_Volume_Mute:
616 case AC97_Record_Gain_Mute:
617 set_volume (s, index, val);
618 break;
619 case AC97_Record_Select:
620 record_select (s, val);
621 break;
622 case AC97_Vendor_ID1:
623 case AC97_Vendor_ID2:
624 dolog ("Attempt to write vendor ID to %#x\n", val);
625 break;
626 case AC97_Extended_Audio_ID:
627 dolog ("Attempt to write extended audio ID to %#x\n", val);
628 break;
629 case AC97_Extended_Audio_Ctrl_Stat:
630 if (!(val & EACS_VRA)) {
631 mixer_store (s, AC97_PCM_Front_DAC_Rate, 0xbb80);
632 mixer_store (s, AC97_PCM_LR_ADC_Rate, 0xbb80);
633 open_voice (s, PI_INDEX, 48000);
634 open_voice (s, PO_INDEX, 48000);
635 }
636 if (!(val & EACS_VRM)) {
637 mixer_store (s, AC97_MIC_ADC_Rate, 0xbb80);
638 open_voice (s, MC_INDEX, 48000);
639 }
640 dolog ("Setting extended audio control to %#x\n", val);
641 mixer_store (s, AC97_Extended_Audio_Ctrl_Stat, val);
642 break;
643 case AC97_PCM_Front_DAC_Rate:
644 if (mixer_load (s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRA) {
645 mixer_store (s, index, val);
646 dolog ("Set front DAC rate to %d\n", val);
647 open_voice (s, PO_INDEX, val);
648 }
649 else {
650 dolog ("Attempt to set front DAC rate to %d, "
651 "but VRA is not set\n",
652 val);
653 }
654 break;
655 case AC97_MIC_ADC_Rate:
656 if (mixer_load (s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRM) {
657 mixer_store (s, index, val);
658 dolog ("Set MIC ADC rate to %d\n", val);
659 open_voice (s, MC_INDEX, val);
660 }
661 else {
662 dolog ("Attempt to set MIC ADC rate to %d, "
663 "but VRM is not set\n",
664 val);
665 }
666 break;
667 case AC97_PCM_LR_ADC_Rate:
668 if (mixer_load (s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRA) {
669 mixer_store (s, index, val);
670 dolog ("Set front LR ADC rate to %d\n", val);
671 open_voice (s, PI_INDEX, val);
672 }
673 else {
674 dolog ("Attempt to set LR ADC rate to %d, but VRA is not set\n",
675 val);
676 }
677 break;
678 case AC97_Headphone_Volume_Mute:
679 case AC97_Master_Volume_Mono_Mute:
680 case AC97_Master_Tone_RL:
681 case AC97_PC_BEEP_Volume_Mute:
682 case AC97_Phone_Volume_Mute:
683 case AC97_Mic_Volume_Mute:
684 case AC97_Line_In_Volume_Mute:
685 case AC97_CD_Volume_Mute:
686 case AC97_Video_Volume_Mute:
687 case AC97_Aux_Volume_Mute:
688 case AC97_Record_Gain_Mic_Mute:
689 case AC97_General_Purpose:
690 case AC97_3D_Control:
691 case AC97_Sigmatel_Analog:
692 case AC97_Sigmatel_Dac2Invert:
693 /* None of the features in these regs are emulated, so they are RO */
694 break;
695 default:
696 dolog ("U nam writew %#x <- %#x\n", addr, val);
697 mixer_store (s, index, val);
698 break;
699 }
700 }
701
702 static void nam_writel (void *opaque, uint32_t addr, uint32_t val)
703 {
704 AC97LinkState *s = opaque;
705 dolog ("U nam writel %#x <- %#x\n", addr, val);
706 s->cas = 0;
707 }
708
709 /**
710 * Native audio bus master
711 * I/O Reads
712 */
713 static uint32_t nabm_readb (void *opaque, uint32_t addr)
714 {
715 AC97LinkState *s = opaque;
716 AC97BusMasterRegs *r = NULL;
717 uint32_t index = addr;
718 uint32_t val = ~0U;
719
720 switch (index) {
721 case CAS:
722 dolog ("CAS %d\n", s->cas);
723 val = s->cas;
724 s->cas = 1;
725 break;
726 case PI_CIV:
727 case PO_CIV:
728 case MC_CIV:
729 r = &s->bm_regs[GET_BM (index)];
730 val = r->civ;
731 dolog ("CIV[%d] -> %#x\n", GET_BM (index), val);
732 break;
733 case PI_LVI:
734 case PO_LVI:
735 case MC_LVI:
736 r = &s->bm_regs[GET_BM (index)];
737 val = r->lvi;
738 dolog ("LVI[%d] -> %#x\n", GET_BM (index), val);
739 break;
740 case PI_PIV:
741 case PO_PIV:
742 case MC_PIV:
743 r = &s->bm_regs[GET_BM (index)];
744 val = r->piv;
745 dolog ("PIV[%d] -> %#x\n", GET_BM (index), val);
746 break;
747 case PI_CR:
748 case PO_CR:
749 case MC_CR:
750 r = &s->bm_regs[GET_BM (index)];
751 val = r->cr;
752 dolog ("CR[%d] -> %#x\n", GET_BM (index), val);
753 break;
754 case PI_SR:
755 case PO_SR:
756 case MC_SR:
757 r = &s->bm_regs[GET_BM (index)];
758 val = r->sr & 0xff;
759 dolog ("SRb[%d] -> %#x\n", GET_BM (index), val);
760 break;
761 default:
762 dolog ("U nabm readb %#x -> %#x\n", addr, val);
763 break;
764 }
765 return val;
766 }
767
768 static uint32_t nabm_readw (void *opaque, uint32_t addr)
769 {
770 AC97LinkState *s = opaque;
771 AC97BusMasterRegs *r = NULL;
772 uint32_t index = addr;
773 uint32_t val = ~0U;
774
775 switch (index) {
776 case PI_SR:
777 case PO_SR:
778 case MC_SR:
779 r = &s->bm_regs[GET_BM (index)];
780 val = r->sr;
781 dolog ("SR[%d] -> %#x\n", GET_BM (index), val);
782 break;
783 case PI_PICB:
784 case PO_PICB:
785 case MC_PICB:
786 r = &s->bm_regs[GET_BM (index)];
787 val = r->picb;
788 dolog ("PICB[%d] -> %#x\n", GET_BM (index), val);
789 break;
790 default:
791 dolog ("U nabm readw %#x -> %#x\n", addr, val);
792 break;
793 }
794 return val;
795 }
796
797 static uint32_t nabm_readl (void *opaque, uint32_t addr)
798 {
799 AC97LinkState *s = opaque;
800 AC97BusMasterRegs *r = NULL;
801 uint32_t index = addr;
802 uint32_t val = ~0U;
803
804 switch (index) {
805 case PI_BDBAR:
806 case PO_BDBAR:
807 case MC_BDBAR:
808 r = &s->bm_regs[GET_BM (index)];
809 val = r->bdbar;
810 dolog ("BMADDR[%d] -> %#x\n", GET_BM (index), val);
811 break;
812 case PI_CIV:
813 case PO_CIV:
814 case MC_CIV:
815 r = &s->bm_regs[GET_BM (index)];
816 val = r->civ | (r->lvi << 8) | (r->sr << 16);
817 dolog ("CIV LVI SR[%d] -> %#x, %#x, %#x\n", GET_BM (index),
818 r->civ, r->lvi, r->sr);
819 break;
820 case PI_PICB:
821 case PO_PICB:
822 case MC_PICB:
823 r = &s->bm_regs[GET_BM (index)];
824 val = r->picb | (r->piv << 16) | (r->cr << 24);
825 dolog ("PICB PIV CR[%d] -> %#x %#x %#x %#x\n", GET_BM (index),
826 val, r->picb, r->piv, r->cr);
827 break;
828 case GLOB_CNT:
829 val = s->glob_cnt;
830 dolog ("glob_cnt -> %#x\n", val);
831 break;
832 case GLOB_STA:
833 val = s->glob_sta | GS_S0CR;
834 dolog ("glob_sta -> %#x\n", val);
835 break;
836 default:
837 dolog ("U nabm readl %#x -> %#x\n", addr, val);
838 break;
839 }
840 return val;
841 }
842
843 /**
844 * Native audio bus master
845 * I/O Writes
846 */
847 static void nabm_writeb (void *opaque, uint32_t addr, uint32_t val)
848 {
849 AC97LinkState *s = opaque;
850 AC97BusMasterRegs *r = NULL;
851 uint32_t index = addr;
852 switch (index) {
853 case PI_LVI:
854 case PO_LVI:
855 case MC_LVI:
856 r = &s->bm_regs[GET_BM (index)];
857 if ((r->cr & CR_RPBM) && (r->sr & SR_DCH)) {
858 r->sr &= ~(SR_DCH | SR_CELV);
859 r->civ = r->piv;
860 r->piv = (r->piv + 1) % 32;
861 fetch_bd (s, r);
862 }
863 r->lvi = val % 32;
864 dolog ("LVI[%d] <- %#x\n", GET_BM (index), val);
865 break;
866 case PI_CR:
867 case PO_CR:
868 case MC_CR:
869 r = &s->bm_regs[GET_BM (index)];
870 if (val & CR_RR) {
871 reset_bm_regs (s, r);
872 }
873 else {
874 r->cr = val & CR_VALID_MASK;
875 if (!(r->cr & CR_RPBM)) {
876 voice_set_active (s, r - s->bm_regs, 0);
877 r->sr |= SR_DCH;
878 }
879 else {
880 r->civ = r->piv;
881 r->piv = (r->piv + 1) % 32;
882 fetch_bd (s, r);
883 r->sr &= ~SR_DCH;
884 voice_set_active (s, r - s->bm_regs, 1);
885 }
886 }
887 dolog ("CR[%d] <- %#x (cr %#x)\n", GET_BM (index), val, r->cr);
888 break;
889 case PI_SR:
890 case PO_SR:
891 case MC_SR:
892 r = &s->bm_regs[GET_BM (index)];
893 r->sr |= val & ~(SR_RO_MASK | SR_WCLEAR_MASK);
894 update_sr (s, r, r->sr & ~(val & SR_WCLEAR_MASK));
895 dolog ("SR[%d] <- %#x (sr %#x)\n", GET_BM (index), val, r->sr);
896 break;
897 default:
898 dolog ("U nabm writeb %#x <- %#x\n", addr, val);
899 break;
900 }
901 }
902
903 static void nabm_writew (void *opaque, uint32_t addr, uint32_t val)
904 {
905 AC97LinkState *s = opaque;
906 AC97BusMasterRegs *r = NULL;
907 uint32_t index = addr;
908 switch (index) {
909 case PI_SR:
910 case PO_SR:
911 case MC_SR:
912 r = &s->bm_regs[GET_BM (index)];
913 r->sr |= val & ~(SR_RO_MASK | SR_WCLEAR_MASK);
914 update_sr (s, r, r->sr & ~(val & SR_WCLEAR_MASK));
915 dolog ("SR[%d] <- %#x (sr %#x)\n", GET_BM (index), val, r->sr);
916 break;
917 default:
918 dolog ("U nabm writew %#x <- %#x\n", addr, val);
919 break;
920 }
921 }
922
923 static void nabm_writel (void *opaque, uint32_t addr, uint32_t val)
924 {
925 AC97LinkState *s = opaque;
926 AC97BusMasterRegs *r = NULL;
927 uint32_t index = addr;
928 switch (index) {
929 case PI_BDBAR:
930 case PO_BDBAR:
931 case MC_BDBAR:
932 r = &s->bm_regs[GET_BM (index)];
933 r->bdbar = val & ~3;
934 dolog ("BDBAR[%d] <- %#x (bdbar %#x)\n",
935 GET_BM (index), val, r->bdbar);
936 break;
937 case GLOB_CNT:
938 if (val & GC_WR)
939 warm_reset (s);
940 if (val & GC_CR)
941 cold_reset (s);
942 if (!(val & (GC_WR | GC_CR)))
943 s->glob_cnt = val & GC_VALID_MASK;
944 dolog ("glob_cnt <- %#x (glob_cnt %#x)\n", val, s->glob_cnt);
945 break;
946 case GLOB_STA:
947 s->glob_sta &= ~(val & GS_WCLEAR_MASK);
948 s->glob_sta |= (val & ~(GS_WCLEAR_MASK | GS_RO_MASK)) & GS_VALID_MASK;
949 dolog ("glob_sta <- %#x (glob_sta %#x)\n", val, s->glob_sta);
950 break;
951 default:
952 dolog ("U nabm writel %#x <- %#x\n", addr, val);
953 break;
954 }
955 }
956
957 static int write_audio (AC97LinkState *s, AC97BusMasterRegs *r,
958 int max, int *stop)
959 {
960 uint8_t tmpbuf[4096];
961 uint32_t addr = r->bd.addr;
962 uint32_t temp = r->picb << 1;
963 uint32_t written = 0;
964 int to_copy = 0;
965 temp = MIN (temp, max);
966
967 if (!temp) {
968 *stop = 1;
969 return 0;
970 }
971
972 while (temp) {
973 int copied;
974 to_copy = MIN (temp, sizeof (tmpbuf));
975 pci_dma_read (&s->dev, addr, tmpbuf, to_copy);
976 copied = AUD_write (s->voice_po, tmpbuf, to_copy);
977 dolog ("write_audio max=%x to_copy=%x copied=%x\n",
978 max, to_copy, copied);
979 if (!copied) {
980 *stop = 1;
981 break;
982 }
983 temp -= copied;
984 addr += copied;
985 written += copied;
986 }
987
988 if (!temp) {
989 if (to_copy < 4) {
990 dolog ("whoops\n");
991 s->last_samp = 0;
992 }
993 else {
994 s->last_samp = *(uint32_t *) &tmpbuf[to_copy - 4];
995 }
996 }
997
998 r->bd.addr = addr;
999 return written;
1000 }
1001
1002 static void write_bup (AC97LinkState *s, int elapsed)
1003 {
1004 dolog ("write_bup\n");
1005 if (!(s->bup_flag & BUP_SET)) {
1006 if (s->bup_flag & BUP_LAST) {
1007 int i;
1008 uint8_t *p = s->silence;
1009 for (i = 0; i < sizeof (s->silence) / 4; i++, p += 4) {
1010 *(uint32_t *) p = s->last_samp;
1011 }
1012 }
1013 else {
1014 memset (s->silence, 0, sizeof (s->silence));
1015 }
1016 s->bup_flag |= BUP_SET;
1017 }
1018
1019 while (elapsed) {
1020 int temp = MIN (elapsed, sizeof (s->silence));
1021 while (temp) {
1022 int copied = AUD_write (s->voice_po, s->silence, temp);
1023 if (!copied)
1024 return;
1025 temp -= copied;
1026 elapsed -= copied;
1027 }
1028 }
1029 }
1030
1031 static int read_audio (AC97LinkState *s, AC97BusMasterRegs *r,
1032 int max, int *stop)
1033 {
1034 uint8_t tmpbuf[4096];
1035 uint32_t addr = r->bd.addr;
1036 uint32_t temp = r->picb << 1;
1037 uint32_t nread = 0;
1038 int to_copy = 0;
1039 SWVoiceIn *voice = (r - s->bm_regs) == MC_INDEX ? s->voice_mc : s->voice_pi;
1040
1041 temp = MIN (temp, max);
1042
1043 if (!temp) {
1044 *stop = 1;
1045 return 0;
1046 }
1047
1048 while (temp) {
1049 int acquired;
1050 to_copy = MIN (temp, sizeof (tmpbuf));
1051 acquired = AUD_read (voice, tmpbuf, to_copy);
1052 if (!acquired) {
1053 *stop = 1;
1054 break;
1055 }
1056 pci_dma_write (&s->dev, addr, tmpbuf, acquired);
1057 temp -= acquired;
1058 addr += acquired;
1059 nread += acquired;
1060 }
1061
1062 r->bd.addr = addr;
1063 return nread;
1064 }
1065
1066 static void transfer_audio (AC97LinkState *s, int index, int elapsed)
1067 {
1068 AC97BusMasterRegs *r = &s->bm_regs[index];
1069 int stop = 0;
1070
1071 if (s->invalid_freq[index]) {
1072 AUD_log ("ac97", "attempt to use voice %d with invalid frequency %d\n",
1073 index, s->invalid_freq[index]);
1074 return;
1075 }
1076
1077 if (r->sr & SR_DCH) {
1078 if (r->cr & CR_RPBM) {
1079 switch (index) {
1080 case PO_INDEX:
1081 write_bup (s, elapsed);
1082 break;
1083 }
1084 }
1085 return;
1086 }
1087
1088 while ((elapsed >> 1) && !stop) {
1089 int temp;
1090
1091 if (!r->bd_valid) {
1092 dolog ("invalid bd\n");
1093 fetch_bd (s, r);
1094 }
1095
1096 if (!r->picb) {
1097 dolog ("fresh bd %d is empty %#x %#x\n",
1098 r->civ, r->bd.addr, r->bd.ctl_len);
1099 if (r->civ == r->lvi) {
1100 r->sr |= SR_DCH; /* CELV? */
1101 s->bup_flag = 0;
1102 break;
1103 }
1104 r->sr &= ~SR_CELV;
1105 r->civ = r->piv;
1106 r->piv = (r->piv + 1) % 32;
1107 fetch_bd (s, r);
1108 return;
1109 }
1110
1111 switch (index) {
1112 case PO_INDEX:
1113 temp = write_audio (s, r, elapsed, &stop);
1114 elapsed -= temp;
1115 r->picb -= (temp >> 1);
1116 break;
1117
1118 case PI_INDEX:
1119 case MC_INDEX:
1120 temp = read_audio (s, r, elapsed, &stop);
1121 elapsed -= temp;
1122 r->picb -= (temp >> 1);
1123 break;
1124 }
1125
1126 if (!r->picb) {
1127 uint32_t new_sr = r->sr & ~SR_CELV;
1128
1129 if (r->bd.ctl_len & BD_IOC) {
1130 new_sr |= SR_BCIS;
1131 }
1132
1133 if (r->civ == r->lvi) {
1134 dolog ("Underrun civ (%d) == lvi (%d)\n", r->civ, r->lvi);
1135
1136 new_sr |= SR_LVBCI | SR_DCH | SR_CELV;
1137 stop = 1;
1138 s->bup_flag = (r->bd.ctl_len & BD_BUP) ? BUP_LAST : 0;
1139 }
1140 else {
1141 r->civ = r->piv;
1142 r->piv = (r->piv + 1) % 32;
1143 fetch_bd (s, r);
1144 }
1145
1146 update_sr (s, r, new_sr);
1147 }
1148 }
1149 }
1150
1151 static void pi_callback (void *opaque, int avail)
1152 {
1153 transfer_audio (opaque, PI_INDEX, avail);
1154 }
1155
1156 static void mc_callback (void *opaque, int avail)
1157 {
1158 transfer_audio (opaque, MC_INDEX, avail);
1159 }
1160
1161 static void po_callback (void *opaque, int free)
1162 {
1163 transfer_audio (opaque, PO_INDEX, free);
1164 }
1165
1166 static const VMStateDescription vmstate_ac97_bm_regs = {
1167 .name = "ac97_bm_regs",
1168 .version_id = 1,
1169 .minimum_version_id = 1,
1170 .fields = (VMStateField[]) {
1171 VMSTATE_UINT32 (bdbar, AC97BusMasterRegs),
1172 VMSTATE_UINT8 (civ, AC97BusMasterRegs),
1173 VMSTATE_UINT8 (lvi, AC97BusMasterRegs),
1174 VMSTATE_UINT16 (sr, AC97BusMasterRegs),
1175 VMSTATE_UINT16 (picb, AC97BusMasterRegs),
1176 VMSTATE_UINT8 (piv, AC97BusMasterRegs),
1177 VMSTATE_UINT8 (cr, AC97BusMasterRegs),
1178 VMSTATE_UINT32 (bd_valid, AC97BusMasterRegs),
1179 VMSTATE_UINT32 (bd.addr, AC97BusMasterRegs),
1180 VMSTATE_UINT32 (bd.ctl_len, AC97BusMasterRegs),
1181 VMSTATE_END_OF_LIST ()
1182 }
1183 };
1184
1185 static int ac97_post_load (void *opaque, int version_id)
1186 {
1187 uint8_t active[LAST_INDEX];
1188 AC97LinkState *s = opaque;
1189
1190 record_select (s, mixer_load (s, AC97_Record_Select));
1191 set_volume (s, AC97_Master_Volume_Mute,
1192 mixer_load (s, AC97_Master_Volume_Mute));
1193 set_volume (s, AC97_PCM_Out_Volume_Mute,
1194 mixer_load (s, AC97_PCM_Out_Volume_Mute));
1195 set_volume (s, AC97_Record_Gain_Mute,
1196 mixer_load (s, AC97_Record_Gain_Mute));
1197
1198 active[PI_INDEX] = !!(s->bm_regs[PI_INDEX].cr & CR_RPBM);
1199 active[PO_INDEX] = !!(s->bm_regs[PO_INDEX].cr & CR_RPBM);
1200 active[MC_INDEX] = !!(s->bm_regs[MC_INDEX].cr & CR_RPBM);
1201 reset_voices (s, active);
1202
1203 s->bup_flag = 0;
1204 s->last_samp = 0;
1205 return 0;
1206 }
1207
1208 static bool is_version_2 (void *opaque, int version_id)
1209 {
1210 return version_id == 2;
1211 }
1212
1213 static const VMStateDescription vmstate_ac97 = {
1214 .name = "ac97",
1215 .version_id = 3,
1216 .minimum_version_id = 2,
1217 .post_load = ac97_post_load,
1218 .fields = (VMStateField[]) {
1219 VMSTATE_PCI_DEVICE (dev, AC97LinkState),
1220 VMSTATE_UINT32 (glob_cnt, AC97LinkState),
1221 VMSTATE_UINT32 (glob_sta, AC97LinkState),
1222 VMSTATE_UINT32 (cas, AC97LinkState),
1223 VMSTATE_STRUCT_ARRAY (bm_regs, AC97LinkState, 3, 1,
1224 vmstate_ac97_bm_regs, AC97BusMasterRegs),
1225 VMSTATE_BUFFER (mixer_data, AC97LinkState),
1226 VMSTATE_UNUSED_TEST (is_version_2, 3),
1227 VMSTATE_END_OF_LIST ()
1228 }
1229 };
1230
1231 static uint64_t nam_read(void *opaque, hwaddr addr, unsigned size)
1232 {
1233 if ((addr / size) > 256) {
1234 return -1;
1235 }
1236
1237 switch (size) {
1238 case 1:
1239 return nam_readb(opaque, addr);
1240 case 2:
1241 return nam_readw(opaque, addr);
1242 case 4:
1243 return nam_readl(opaque, addr);
1244 default:
1245 return -1;
1246 }
1247 }
1248
1249 static void nam_write(void *opaque, hwaddr addr, uint64_t val,
1250 unsigned size)
1251 {
1252 if ((addr / size) > 256) {
1253 return;
1254 }
1255
1256 switch (size) {
1257 case 1:
1258 nam_writeb(opaque, addr, val);
1259 break;
1260 case 2:
1261 nam_writew(opaque, addr, val);
1262 break;
1263 case 4:
1264 nam_writel(opaque, addr, val);
1265 break;
1266 }
1267 }
1268
1269 static const MemoryRegionOps ac97_io_nam_ops = {
1270 .read = nam_read,
1271 .write = nam_write,
1272 .impl = {
1273 .min_access_size = 1,
1274 .max_access_size = 4,
1275 },
1276 .endianness = DEVICE_LITTLE_ENDIAN,
1277 };
1278
1279 static uint64_t nabm_read(void *opaque, hwaddr addr, unsigned size)
1280 {
1281 if ((addr / size) > 64) {
1282 return -1;
1283 }
1284
1285 switch (size) {
1286 case 1:
1287 return nabm_readb(opaque, addr);
1288 case 2:
1289 return nabm_readw(opaque, addr);
1290 case 4:
1291 return nabm_readl(opaque, addr);
1292 default:
1293 return -1;
1294 }
1295 }
1296
1297 static void nabm_write(void *opaque, hwaddr addr, uint64_t val,
1298 unsigned size)
1299 {
1300 if ((addr / size) > 64) {
1301 return;
1302 }
1303
1304 switch (size) {
1305 case 1:
1306 nabm_writeb(opaque, addr, val);
1307 break;
1308 case 2:
1309 nabm_writew(opaque, addr, val);
1310 break;
1311 case 4:
1312 nabm_writel(opaque, addr, val);
1313 break;
1314 }
1315 }
1316
1317
1318 static const MemoryRegionOps ac97_io_nabm_ops = {
1319 .read = nabm_read,
1320 .write = nabm_write,
1321 .impl = {
1322 .min_access_size = 1,
1323 .max_access_size = 4,
1324 },
1325 .endianness = DEVICE_LITTLE_ENDIAN,
1326 };
1327
1328 static void ac97_on_reset (DeviceState *dev)
1329 {
1330 AC97LinkState *s = container_of(dev, AC97LinkState, dev.qdev);
1331
1332 reset_bm_regs (s, &s->bm_regs[0]);
1333 reset_bm_regs (s, &s->bm_regs[1]);
1334 reset_bm_regs (s, &s->bm_regs[2]);
1335
1336 /*
1337 * Reset the mixer too. The Windows XP driver seems to rely on
1338 * this. At least it wants to read the vendor id before it resets
1339 * the codec manually.
1340 */
1341 mixer_reset (s);
1342 }
1343
1344 static void ac97_realize(PCIDevice *dev, Error **errp)
1345 {
1346 AC97LinkState *s = AC97(dev);
1347 uint8_t *c = s->dev.config;
1348
1349 /* TODO: no need to override */
1350 c[PCI_COMMAND] = 0x00; /* pcicmd pci command rw, ro */
1351 c[PCI_COMMAND + 1] = 0x00;
1352
1353 /* TODO: */
1354 c[PCI_STATUS] = PCI_STATUS_FAST_BACK; /* pcists pci status rwc, ro */
1355 c[PCI_STATUS + 1] = PCI_STATUS_DEVSEL_MEDIUM >> 8;
1356
1357 c[PCI_CLASS_PROG] = 0x00; /* pi programming interface ro */
1358
1359 /* TODO set when bar is registered. no need to override. */
1360 /* nabmar native audio mixer base address rw */
1361 c[PCI_BASE_ADDRESS_0] = PCI_BASE_ADDRESS_SPACE_IO;
1362 c[PCI_BASE_ADDRESS_0 + 1] = 0x00;
1363 c[PCI_BASE_ADDRESS_0 + 2] = 0x00;
1364 c[PCI_BASE_ADDRESS_0 + 3] = 0x00;
1365
1366 /* TODO set when bar is registered. no need to override. */
1367 /* nabmbar native audio bus mastering base address rw */
1368 c[PCI_BASE_ADDRESS_0 + 4] = PCI_BASE_ADDRESS_SPACE_IO;
1369 c[PCI_BASE_ADDRESS_0 + 5] = 0x00;
1370 c[PCI_BASE_ADDRESS_0 + 6] = 0x00;
1371 c[PCI_BASE_ADDRESS_0 + 7] = 0x00;
1372
1373 c[PCI_INTERRUPT_LINE] = 0x00; /* intr_ln interrupt line rw */
1374 c[PCI_INTERRUPT_PIN] = 0x01; /* intr_pn interrupt pin ro */
1375
1376 memory_region_init_io (&s->io_nam, OBJECT(s), &ac97_io_nam_ops, s,
1377 "ac97-nam", 1024);
1378 memory_region_init_io (&s->io_nabm, OBJECT(s), &ac97_io_nabm_ops, s,
1379 "ac97-nabm", 256);
1380 pci_register_bar (&s->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io_nam);
1381 pci_register_bar (&s->dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->io_nabm);
1382 AUD_register_card ("ac97", &s->card);
1383 ac97_on_reset(DEVICE(s));
1384 }
1385
1386 static void ac97_exit(PCIDevice *dev)
1387 {
1388 AC97LinkState *s = AC97(dev);
1389
1390 AUD_close_in(&s->card, s->voice_pi);
1391 AUD_close_out(&s->card, s->voice_po);
1392 AUD_close_in(&s->card, s->voice_mc);
1393 AUD_remove_card(&s->card);
1394 }
1395
1396 static Property ac97_properties[] = {
1397 DEFINE_AUDIO_PROPERTIES(AC97LinkState, card),
1398 DEFINE_PROP_END_OF_LIST (),
1399 };
1400
1401 static void ac97_class_init (ObjectClass *klass, void *data)
1402 {
1403 DeviceClass *dc = DEVICE_CLASS (klass);
1404 PCIDeviceClass *k = PCI_DEVICE_CLASS (klass);
1405
1406 k->realize = ac97_realize;
1407 k->exit = ac97_exit;
1408 k->vendor_id = PCI_VENDOR_ID_INTEL;
1409 k->device_id = PCI_DEVICE_ID_INTEL_82801AA_5;
1410 k->revision = 0x01;
1411 k->class_id = PCI_CLASS_MULTIMEDIA_AUDIO;
1412 set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
1413 dc->desc = "Intel 82801AA AC97 Audio";
1414 dc->vmsd = &vmstate_ac97;
1415 device_class_set_props(dc, ac97_properties);
1416 dc->reset = ac97_on_reset;
1417 }
1418
1419 static const TypeInfo ac97_info = {
1420 .name = TYPE_AC97,
1421 .parent = TYPE_PCI_DEVICE,
1422 .instance_size = sizeof (AC97LinkState),
1423 .class_init = ac97_class_init,
1424 .interfaces = (InterfaceInfo[]) {
1425 { INTERFACE_CONVENTIONAL_PCI_DEVICE },
1426 { },
1427 },
1428 };
1429
1430 static void ac97_register_types (void)
1431 {
1432 type_register_static (&ac97_info);
1433 deprecated_register_soundhw("ac97", "Intel 82801AA AC97 Audio",
1434 0, TYPE_AC97);
1435 }
1436
1437 type_init (ac97_register_types)
AR7 emulation for QEMU