2 * Copyright (C) 2006 InnoTek Systemberatung GmbH
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.
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.
19 #include "audio/audio.h"
24 AC97_Master_Volume_Mute = 0x02,
25 AC97_Headphone_Volume_Mute = 0x04,
26 AC97_Master_Volume_Mono_Mute = 0x06,
27 AC97_Master_Tone_RL = 0x08,
28 AC97_PC_BEEP_Volume_Mute = 0x0A,
29 AC97_Phone_Volume_Mute = 0x0C,
30 AC97_Mic_Volume_Mute = 0x0E,
31 AC97_Line_In_Volume_Mute = 0x10,
32 AC97_CD_Volume_Mute = 0x12,
33 AC97_Video_Volume_Mute = 0x14,
34 AC97_Aux_Volume_Mute = 0x16,
35 AC97_PCM_Out_Volume_Mute = 0x18,
36 AC97_Record_Select = 0x1A,
37 AC97_Record_Gain_Mute = 0x1C,
38 AC97_Record_Gain_Mic_Mute = 0x1E,
39 AC97_General_Purpose = 0x20,
40 AC97_3D_Control = 0x22,
41 AC97_AC_97_RESERVED = 0x24,
42 AC97_Powerdown_Ctrl_Stat = 0x26,
43 AC97_Extended_Audio_ID = 0x28,
44 AC97_Extended_Audio_Ctrl_Stat = 0x2A,
45 AC97_PCM_Front_DAC_Rate = 0x2C,
46 AC97_PCM_Surround_DAC_Rate = 0x2E,
47 AC97_PCM_LFE_DAC_Rate = 0x30,
48 AC97_PCM_LR_ADC_Rate = 0x32,
49 AC97_MIC_ADC_Rate = 0x34,
50 AC97_6Ch_Vol_C_LFE_Mute = 0x36,
51 AC97_6Ch_Vol_L_R_Surround_Mute = 0x38,
52 AC97_Vendor_Reserved = 0x58,
53 AC97_Vendor_ID1 = 0x7c,
54 AC97_Vendor_ID2 = 0x7e
58 #define SR_FIFOE 16 /* rwc */
59 #define SR_BCIS 8 /* rwc */
60 #define SR_LVBCI 4 /* rwc */
61 #define SR_CELV 2 /* ro */
62 #define SR_DCH 1 /* ro */
63 #define SR_VALID_MASK ((1 << 5) - 1)
64 #define SR_WCLEAR_MASK (SR_FIFOE | SR_BCIS | SR_LVBCI)
65 #define SR_RO_MASK (SR_DCH | SR_CELV)
66 #define SR_INT_MASK (SR_FIFOE | SR_BCIS | SR_LVBCI)
68 #define CR_IOCE 16 /* rw */
69 #define CR_FEIE 8 /* rw */
70 #define CR_LVBIE 4 /* rw */
71 #define CR_RR 2 /* rw */
72 #define CR_RPBM 1 /* rw */
73 #define CR_VALID_MASK ((1 << 5) - 1)
74 #define CR_DONT_CLEAR_MASK (CR_IOCE | CR_FEIE | CR_LVBIE)
76 #define GC_WR 4 /* rw */
77 #define GC_CR 2 /* rw */
78 #define GC_VALID_MASK ((1 << 6) - 1)
80 #define GS_MD3 (1<<17) /* rw */
81 #define GS_AD3 (1<<16) /* rw */
82 #define GS_RCS (1<<15) /* rwc */
83 #define GS_B3S12 (1<<14) /* ro */
84 #define GS_B2S12 (1<<13) /* ro */
85 #define GS_B1S12 (1<<12) /* ro */
86 #define GS_S1R1 (1<<11) /* rwc */
87 #define GS_S0R1 (1<<10) /* rwc */
88 #define GS_S1CR (1<<9) /* ro */
89 #define GS_S0CR (1<<8) /* ro */
90 #define GS_MINT (1<<7) /* ro */
91 #define GS_POINT (1<<6) /* ro */
92 #define GS_PIINT (1<<5) /* ro */
93 #define GS_RSRVD ((1<<4)|(1<<3))
94 #define GS_MOINT (1<<2) /* ro */
95 #define GS_MIINT (1<<1) /* ro */
96 #define GS_GSCI 1 /* rwc */
97 #define GS_RO_MASK (GS_B3S12| \
108 #define GS_VALID_MASK ((1 << 18) - 1)
109 #define GS_WCLEAR_MASK (GS_RCS|GS_S1R1|GS_S0R1|GS_GSCI)
111 #define BD_IOC (1<<31)
112 #define BD_BUP (1<<30)
117 #define VOL_MASK 0x1f
118 #define MUTE_SHIFT 15
137 typedef struct AC97BusMasterRegs {
138 uint32_t bdbar; /* rw 0 */
139 uint8_t civ; /* ro 0 */
140 uint8_t lvi; /* rw 0 */
141 uint16_t sr; /* rw 1 */
142 uint16_t picb; /* ro 0 */
143 uint8_t piv; /* ro 0 */
144 uint8_t cr; /* rw 0 */
145 unsigned int bd_valid;
149 typedef struct AC97LinkState {
156 AC97BusMasterRegs bm_regs[3];
157 uint8_t mixer_data[256];
159 SWVoiceOut *voice_po;
161 uint8_t silence[128];
172 #define dolog(...) AUD_log ("ac97", __VA_ARGS__)
177 typedef struct PCIAC97LinkState {
182 #define MKREGS(prefix, start) \
184 prefix ## _BDBAR = start, \
185 prefix ## _CIV = start + 4, \
186 prefix ## _LVI = start + 5, \
187 prefix ## _SR = start + 6, \
188 prefix ## _PICB = start + 8, \
189 prefix ## _PIV = start + 10, \
190 prefix ## _CR = start + 11 \
200 MKREGS (PI, PI_INDEX * 16);
201 MKREGS (PO, PO_INDEX * 16);
202 MKREGS (MC, MC_INDEX * 16);
210 #define GET_BM(index) (((index) >> 4) & 3)
212 static void po_callback (void *opaque, int free);
213 static void pi_callback (void *opaque, int avail);
214 static void mc_callback (void *opaque, int avail);
216 static void warm_reset (AC97LinkState *s)
221 static void cold_reset (AC97LinkState * s)
226 static void fetch_bd (AC97LinkState *s, AC97BusMasterRegs *r)
230 cpu_physical_memory_read (r->bdbar + r->civ * 8, b, 8);
232 r->bd.addr = le32_to_cpu (*(uint32_t *) &b[0]) & ~3;
233 r->bd.ctl_len = le32_to_cpu (*(uint32_t *) &b[4]);
234 r->picb = r->bd.ctl_len & 0xffff;
235 dolog ("bd %2d addr=%#x ctl=%#06x len=%#x(%d bytes)\n",
236 r->civ, r->bd.addr, r->bd.ctl_len >> 16,
237 r->bd.ctl_len & 0xffff,
238 (r->bd.ctl_len & 0xffff) << 1);
241 static void update_sr (AC97LinkState *s, AC97BusMasterRegs *r, uint32_t new_sr)
245 uint32_t new_mask = new_sr & SR_INT_MASK;
246 uint32_t old_mask = r->sr & SR_INT_MASK;
247 uint32_t masks[] = {GS_PIINT, GS_POINT, GS_MINT};
249 if (new_mask ^ old_mask) {
250 /** @todo is IRQ deasserted when only one of status bits is cleared? */
256 if ((new_mask & SR_LVBCI) && (r->cr & CR_LVBIE)) {
260 if ((new_mask & SR_BCIS) && (r->cr & CR_IOCE)) {
269 dolog ("IOC%d LVB%d sr=%#x event=%d level=%d\n",
270 r->sr & SR_BCIS, r->sr & SR_LVBCI,
278 s->glob_sta |= masks[r - s->bm_regs];
279 dolog ("set irq level=1\n");
280 qemu_set_irq(s->pci_dev->irq[0], 1);
283 s->glob_sta &= ~masks[r - s->bm_regs];
284 dolog ("set irq level=0\n");
285 qemu_set_irq(s->pci_dev->irq[0], 0);
289 static void voice_set_active (AC97LinkState *s, int bm_index, int on)
293 AUD_set_active_in (s->voice_pi, on);
297 AUD_set_active_out (s->voice_po, on);
301 AUD_set_active_in (s->voice_mc, on);
305 AUD_log ("ac97", "invalid bm_index(%d) in voice_set_active", bm_index);
310 static void reset_bm_regs (AC97LinkState *s, AC97BusMasterRegs *r)
312 dolog ("reset_bm_regs\n");
316 /** todo do we need to do that? */
317 update_sr (s, r, SR_DCH);
320 r->cr = r->cr & CR_DONT_CLEAR_MASK;
323 voice_set_active (s, r - s->bm_regs, 0);
324 memset (s->silence, 0, sizeof (s->silence));
327 static void mixer_store (AC97LinkState *s, uint32_t i, uint16_t v)
329 if (i + 2 > sizeof (s->mixer_data)) {
330 dolog ("mixer_store: index %d out of bounds %d\n",
331 i, sizeof (s->mixer_data));
335 s->mixer_data[i + 0] = v & 0xff;
336 s->mixer_data[i + 1] = v >> 8;
339 static uint16_t mixer_load (AC97LinkState *s, uint32_t i)
341 uint16_t val = 0xffff;
343 if (i + 2 > sizeof (s->mixer_data)) {
344 dolog ("mixer_store: index %d out of bounds %d\n",
345 i, sizeof (s->mixer_data));
348 val = s->mixer_data[i + 0] | (s->mixer_data[i + 1] << 8);
354 static void open_voice (AC97LinkState *s, int index, int freq)
360 as.fmt = AUD_FMT_S16;
365 s->voice_pi = AUD_open_in (
376 s->voice_po = AUD_open_out (
387 s->voice_mc = AUD_open_in (
399 static void reset_voices (AC97LinkState *s, uint8_t active[LAST_INDEX])
403 freq = mixer_load (s, AC97_PCM_LR_ADC_Rate);
404 open_voice (s, PI_INDEX, freq);
405 AUD_set_active_in (s->voice_pi, active[PI_INDEX]);
407 freq = mixer_load (s, AC97_PCM_Front_DAC_Rate);
408 open_voice (s, PO_INDEX, freq);
409 AUD_set_active_out (s->voice_po, active[PO_INDEX]);
411 freq = mixer_load (s, AC97_MIC_ADC_Rate);
412 open_voice (s, MC_INDEX, freq);
413 AUD_set_active_in (s->voice_mc, active[MC_INDEX]);
417 static void set_volume (AC97LinkState *s, int index,
418 audmixerctl_t mt, uint32_t val)
420 int mute = (val >> MUTE_SHIFT) & 1;
421 uint8_t rvol = VOL_MASK - (val & VOL_MASK);
422 uint8_t lvol = VOL_MASK - ((val >> 8) & VOL_MASK);
423 rvol = 255 * rvol / VOL_MASK;
424 lvol = 255 * lvol / VOL_MASK;
427 if (index == AC97_Master_Volume_Mute) {
428 AUD_set_volume_out (s->voice_po, mute, lvol, rvol);
431 AUD_set_volume (mt, &mute, &lvol, &rvol);
434 AUD_set_volume (mt, &mute, &lvol, &rvol);
437 rvol = VOL_MASK - ((VOL_MASK * rvol) / 255);
438 lvol = VOL_MASK - ((VOL_MASK * lvol) / 255);
439 mixer_store (s, index, val);
442 static audrecsource_t ac97_to_aud_record_source (uint8_t i)
452 return AUD_REC_VIDEO;
458 return AUD_REC_LINE_IN;
461 return AUD_REC_PHONE;
464 dolog ("Unknown record source %d, using MIC\n", i);
469 static uint8_t aud_to_ac97_record_source (audrecsource_t rs)
484 case AUD_REC_LINE_IN:
491 dolog ("Unknown audio recording source %d using MIC\n", rs);
496 static void record_select (AC97LinkState *s, uint32_t val)
498 uint8_t rs = val & REC_MASK;
499 uint8_t ls = (val >> 8) & REC_MASK;
500 audrecsource_t ars = ac97_to_aud_record_source (rs);
501 audrecsource_t als = ac97_to_aud_record_source (ls);
502 AUD_set_record_source (&als, &ars);
503 rs = aud_to_ac97_record_source (ars);
504 ls = aud_to_ac97_record_source (als);
505 mixer_store (s, AC97_Record_Select, rs | (ls << 8));
509 static void mixer_reset (AC97LinkState *s)
511 uint8_t active[LAST_INDEX];
513 dolog ("mixer_reset\n");
514 memset (s->mixer_data, 0, sizeof (s->mixer_data));
515 memset (active, 0, sizeof (active));
516 mixer_store (s, AC97_Reset , 0x0000); /* 6940 */
517 mixer_store (s, AC97_Master_Volume_Mono_Mute , 0x8000);
518 mixer_store (s, AC97_PC_BEEP_Volume_Mute , 0x0000);
520 mixer_store (s, AC97_Phone_Volume_Mute , 0x8008);
521 mixer_store (s, AC97_Mic_Volume_Mute , 0x8008);
522 mixer_store (s, AC97_CD_Volume_Mute , 0x8808);
523 mixer_store (s, AC97_Aux_Volume_Mute , 0x8808);
524 mixer_store (s, AC97_Record_Gain_Mic_Mute , 0x8000);
525 mixer_store (s, AC97_General_Purpose , 0x0000);
526 mixer_store (s, AC97_3D_Control , 0x0000);
527 mixer_store (s, AC97_Powerdown_Ctrl_Stat , 0x000f);
530 * Sigmatel 9700 (STAC9700)
532 mixer_store (s, AC97_Vendor_ID1 , 0x8384);
533 mixer_store (s, AC97_Vendor_ID2 , 0x7600); /* 7608 */
535 mixer_store (s, AC97_Extended_Audio_ID , 0x0809);
536 mixer_store (s, AC97_Extended_Audio_Ctrl_Stat, 0x0009);
537 mixer_store (s, AC97_PCM_Front_DAC_Rate , 0xbb80);
538 mixer_store (s, AC97_PCM_Surround_DAC_Rate , 0xbb80);
539 mixer_store (s, AC97_PCM_LFE_DAC_Rate , 0xbb80);
540 mixer_store (s, AC97_PCM_LR_ADC_Rate , 0xbb80);
541 mixer_store (s, AC97_MIC_ADC_Rate , 0xbb80);
544 record_select (s, 0);
545 set_volume (s, AC97_Master_Volume_Mute, AUD_MIXER_VOLUME , 0x8000);
546 set_volume (s, AC97_PCM_Out_Volume_Mute, AUD_MIXER_PCM , 0x8808);
547 set_volume (s, AC97_Line_In_Volume_Mute, AUD_MIXER_LINE_IN, 0x8808);
549 reset_voices (s, active);
556 static uint32_t nam_readb (void *opaque, uint32_t addr)
558 PCIAC97LinkState *d = opaque;
559 AC97LinkState *s = &d->ac97;
560 dolog ("U nam readb %#x\n", addr);
565 static uint32_t nam_readw (void *opaque, uint32_t addr)
567 PCIAC97LinkState *d = opaque;
568 AC97LinkState *s = &d->ac97;
570 uint32_t index = addr - s->base[0];
572 val = mixer_load (s, index);
576 static uint32_t nam_readl (void *opaque, uint32_t addr)
578 PCIAC97LinkState *d = opaque;
579 AC97LinkState *s = &d->ac97;
580 dolog ("U nam readl %#x\n", addr);
589 static void nam_writeb (void *opaque, uint32_t addr, uint32_t val)
591 PCIAC97LinkState *d = opaque;
592 AC97LinkState *s = &d->ac97;
593 dolog ("U nam writeb %#x <- %#x\n", addr, val);
597 static void nam_writew (void *opaque, uint32_t addr, uint32_t val)
599 PCIAC97LinkState *d = opaque;
600 AC97LinkState *s = &d->ac97;
601 uint32_t index = addr - s->base[0];
607 case AC97_Powerdown_Ctrl_Stat:
609 val |= mixer_load (s, index) & 0xf;
610 mixer_store (s, index, val);
613 case AC97_Master_Volume_Mute:
614 set_volume (s, index, AUD_MIXER_VOLUME, val);
616 case AC97_PCM_Out_Volume_Mute:
617 set_volume (s, index, AUD_MIXER_PCM, val);
619 case AC97_Line_In_Volume_Mute:
620 set_volume (s, index, AUD_MIXER_LINE_IN, val);
622 case AC97_Record_Select:
623 record_select (s, val);
626 case AC97_Vendor_ID1:
627 case AC97_Vendor_ID2:
628 dolog ("Attempt to write vendor ID to %#x\n", val);
630 case AC97_Extended_Audio_ID:
631 dolog ("Attempt to write extended audio ID to %#x\n", val);
633 case AC97_Extended_Audio_Ctrl_Stat:
634 if (!(val & EACS_VRA)) {
635 mixer_store (s, AC97_PCM_Front_DAC_Rate, 0xbb80);
636 mixer_store (s, AC97_PCM_LR_ADC_Rate, 0xbb80);
637 open_voice (s, PI_INDEX, 48000);
638 open_voice (s, PO_INDEX, 48000);
640 if (!(val & EACS_VRM)) {
641 mixer_store (s, AC97_MIC_ADC_Rate, 0xbb80);
642 open_voice (s, MC_INDEX, 48000);
644 dolog ("Setting extended audio control to %#x\n", val);
645 mixer_store (s, AC97_Extended_Audio_Ctrl_Stat, val);
647 case AC97_PCM_Front_DAC_Rate:
648 if (mixer_load (s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRA) {
649 mixer_store (s, index, val);
650 dolog ("Set front DAC rate to %d\n", val);
651 open_voice (s, PO_INDEX, val);
654 dolog ("Attempt to set front DAC rate to %d, "
655 "but VRA is not set\n",
659 case AC97_MIC_ADC_Rate:
660 if (mixer_load (s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRM) {
661 mixer_store (s, index, val);
662 dolog ("Set MIC ADC rate to %d\n", val);
663 open_voice (s, MC_INDEX, val);
666 dolog ("Attempt to set MIC ADC rate to %d, "
667 "but VRM is not set\n",
671 case AC97_PCM_LR_ADC_Rate:
672 if (mixer_load (s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRA) {
673 mixer_store (s, index, val);
674 dolog ("Set front LR ADC rate to %d\n", val);
675 open_voice (s, PI_INDEX, val);
678 dolog ("Attempt to set LR ADC rate to %d, but VRA is not set\n",
683 dolog ("U nam writew %#x <- %#x\n", addr, val);
684 mixer_store (s, index, val);
689 static void nam_writel (void *opaque, uint32_t addr, uint32_t val)
691 PCIAC97LinkState *d = opaque;
692 AC97LinkState *s = &d->ac97;
693 dolog ("U nam writel %#x <- %#x\n", addr, val);
698 * Native audio bus master
701 static uint32_t nabm_readb (void *opaque, uint32_t addr)
703 PCIAC97LinkState *d = opaque;
704 AC97LinkState *s = &d->ac97;
705 AC97BusMasterRegs *r = NULL;
706 uint32_t index = addr - s->base[1];
711 dolog ("CAS %d\n", s->cas);
718 r = &s->bm_regs[GET_BM (index)];
720 dolog ("CIV[%d] -> %#x\n", GET_BM (index), val);
725 r = &s->bm_regs[GET_BM (index)];
727 dolog ("LVI[%d] -> %#x\n", GET_BM (index), val);
732 r = &s->bm_regs[GET_BM (index)];
734 dolog ("PIV[%d] -> %#x\n", GET_BM (index), val);
739 r = &s->bm_regs[GET_BM (index)];
741 dolog ("CR[%d] -> %#x\n", GET_BM (index), val);
746 r = &s->bm_regs[GET_BM (index)];
748 dolog ("SRb[%d] -> %#x\n", GET_BM (index), val);
751 dolog ("U nabm readb %#x -> %#x\n", addr, val);
757 static uint32_t nabm_readw (void *opaque, uint32_t addr)
759 PCIAC97LinkState *d = opaque;
760 AC97LinkState *s = &d->ac97;
761 AC97BusMasterRegs *r = NULL;
762 uint32_t index = addr - s->base[1];
769 r = &s->bm_regs[GET_BM (index)];
771 dolog ("SR[%d] -> %#x\n", GET_BM (index), val);
776 r = &s->bm_regs[GET_BM (index)];
778 dolog ("PICB[%d] -> %#x\n", GET_BM (index), val);
781 dolog ("U nabm readw %#x -> %#x\n", addr, val);
787 static uint32_t nabm_readl (void *opaque, uint32_t addr)
789 PCIAC97LinkState *d = opaque;
790 AC97LinkState *s = &d->ac97;
791 AC97BusMasterRegs *r = NULL;
792 uint32_t index = addr - s->base[1];
799 r = &s->bm_regs[GET_BM (index)];
801 dolog ("BMADDR[%d] -> %#x\n", GET_BM (index), val);
806 r = &s->bm_regs[GET_BM (index)];
807 val = r->civ | (r->lvi << 8) | (r->sr << 16);
808 dolog ("CIV LVI SR[%d] -> %#x, %#x, %#x\n", GET_BM (index),
809 r->civ, r->lvi, r->sr);
814 r = &s->bm_regs[GET_BM (index)];
815 val = r->picb | (r->piv << 16) | (r->cr << 24);
816 dolog ("PICB PIV CR[%d] -> %#x %#x %#x %#x\n", GET_BM (index),
817 val, r->picb, r->piv, r->cr);
821 dolog ("glob_cnt -> %#x\n", val);
824 val = s->glob_sta | GS_S0CR;
825 dolog ("glob_sta -> %#x\n", val);
828 dolog ("U nabm readl %#x -> %#x\n", addr, val);
835 * Native audio bus master
838 static void nabm_writeb (void *opaque, uint32_t addr, uint32_t val)
840 PCIAC97LinkState *d = opaque;
841 AC97LinkState *s = &d->ac97;
842 AC97BusMasterRegs *r = NULL;
843 uint32_t index = addr - s->base[1];
848 r = &s->bm_regs[GET_BM (index)];
849 if ((r->cr & CR_RPBM) && (r->sr & SR_DCH)) {
850 r->sr &= ~(SR_DCH | SR_CELV);
852 r->piv = (r->piv + 1) % 32;
856 dolog ("LVI[%d] <- %#x\n", GET_BM (index), val);
861 r = &s->bm_regs[GET_BM (index)];
863 reset_bm_regs (s, r);
866 r->cr = val & CR_VALID_MASK;
867 if (!(r->cr & CR_RPBM)) {
868 voice_set_active (s, r - s->bm_regs, 0);
873 r->piv = (r->piv + 1) % 32;
876 voice_set_active (s, r - s->bm_regs, 1);
879 dolog ("CR[%d] <- %#x (cr %#x)\n", GET_BM (index), val, r->cr);
884 r = &s->bm_regs[GET_BM (index)];
885 r->sr |= val & ~(SR_RO_MASK | SR_WCLEAR_MASK);
886 update_sr (s, r, r->sr & ~(val & SR_WCLEAR_MASK));
887 dolog ("SR[%d] <- %#x (sr %#x)\n", GET_BM (index), val, r->sr);
890 dolog ("U nabm writeb %#x <- %#x\n", addr, val);
895 static void nabm_writew (void *opaque, uint32_t addr, uint32_t val)
897 PCIAC97LinkState *d = opaque;
898 AC97LinkState *s = &d->ac97;
899 AC97BusMasterRegs *r = NULL;
900 uint32_t index = addr - s->base[1];
905 r = &s->bm_regs[GET_BM (index)];
906 r->sr |= val & ~(SR_RO_MASK | SR_WCLEAR_MASK);
907 update_sr (s, r, r->sr & ~(val & SR_WCLEAR_MASK));
908 dolog ("SR[%d] <- %#x (sr %#x)\n", GET_BM (index), val, r->sr);
911 dolog ("U nabm writew %#x <- %#x\n", addr, val);
916 static void nabm_writel (void *opaque, uint32_t addr, uint32_t val)
918 PCIAC97LinkState *d = opaque;
919 AC97LinkState *s = &d->ac97;
920 AC97BusMasterRegs *r = NULL;
921 uint32_t index = addr - s->base[1];
926 r = &s->bm_regs[GET_BM (index)];
928 dolog ("BDBAR[%d] <- %#x (bdbar %#x)\n",
929 GET_BM (index), val, r->bdbar);
936 if (!(val & (GC_WR | GC_CR)))
937 s->glob_cnt = val & GC_VALID_MASK;
938 dolog ("glob_cnt <- %#x (glob_cnt %#x)\n", val, s->glob_cnt);
941 s->glob_sta &= ~(val & GS_WCLEAR_MASK);
942 s->glob_sta |= (val & ~(GS_WCLEAR_MASK | GS_RO_MASK)) & GS_VALID_MASK;
943 dolog ("glob_sta <- %#x (glob_sta %#x)\n", val, s->glob_sta);
946 dolog ("U nabm writel %#x <- %#x\n", addr, val);
951 static int write_audio (AC97LinkState *s, AC97BusMasterRegs *r,
954 uint8_t tmpbuf[4096];
955 uint32_t addr = r->bd.addr;
956 uint32_t temp = r->picb << 1;
957 uint32_t written = 0;
959 temp = audio_MIN (temp, max);
968 to_copy = audio_MIN (temp, sizeof (tmpbuf));
969 cpu_physical_memory_read (addr, tmpbuf, to_copy);
970 copied = AUD_write (s->voice_po, tmpbuf, to_copy);
971 dolog ("write_audio max=%x to_copy=%x copied=%x\n",
972 max, to_copy, copied);
988 s->last_samp = *(uint32_t *) &tmpbuf[to_copy - 4];
996 static void write_bup (AC97LinkState *s, int elapsed)
1000 dolog ("write_bup\n");
1001 if (!(s->bup_flag & BUP_SET)) {
1002 if (s->bup_flag & BUP_LAST) {
1004 uint8_t *p = s->silence;
1005 for (i = 0; i < sizeof (s->silence) / 4; i++, p += 4) {
1006 *(uint32_t *) p = s->last_samp;
1010 memset (s->silence, 0, sizeof (s->silence));
1012 s->bup_flag |= BUP_SET;
1016 int temp = audio_MIN (elapsed, sizeof (s->silence));
1018 int copied = AUD_write (s->voice_po, s->silence, temp);
1028 static int read_audio (AC97LinkState *s, AC97BusMasterRegs *r,
1031 uint8_t tmpbuf[4096];
1032 uint32_t addr = r->bd.addr;
1033 uint32_t temp = r->picb << 1;
1036 SWVoiceIn *voice = (r - s->bm_regs) == MC_INDEX ? s->voice_mc : s->voice_pi;
1038 temp = audio_MIN (temp, max);
1047 to_copy = audio_MIN (temp, sizeof (tmpbuf));
1048 acquired = AUD_read (voice, tmpbuf, to_copy);
1053 cpu_physical_memory_write (addr, tmpbuf, acquired);
1063 static void transfer_audio (AC97LinkState *s, int index, int elapsed)
1065 AC97BusMasterRegs *r = &s->bm_regs[index];
1066 int written = 0, stop = 0;
1068 if (r->sr & SR_DCH) {
1069 if (r->cr & CR_RPBM) {
1072 write_bup (s, elapsed);
1079 while ((elapsed >> 1) && !stop) {
1083 dolog ("invalid bd\n");
1088 dolog ("fresh bd %d is empty %#x %#x\n",
1089 r->civ, r->bd.addr, r->bd.ctl_len);
1090 if (r->civ == r->lvi) {
1091 r->sr |= SR_DCH; /* CELV? */
1097 r->piv = (r->piv + 1) % 32;
1104 temp = write_audio (s, r, elapsed, &stop);
1107 r->picb -= (temp >> 1);
1112 temp = read_audio (s, r, elapsed, &stop);
1114 r->picb -= (temp >> 1);
1119 uint32_t new_sr = r->sr & ~SR_CELV;
1121 if (r->bd.ctl_len & BD_IOC) {
1125 if (r->civ == r->lvi) {
1126 dolog ("Underrun civ (%d) == lvi (%d)\n", r->civ, r->lvi);
1128 new_sr |= SR_LVBCI | SR_DCH | SR_CELV;
1130 s->bup_flag = (r->bd.ctl_len & BD_BUP) ? BUP_LAST : 0;
1134 r->piv = (r->piv + 1) % 32;
1138 update_sr (s, r, new_sr);
1143 static void pi_callback (void *opaque, int avail)
1145 transfer_audio (opaque, PI_INDEX, avail);
1148 static void mc_callback (void *opaque, int avail)
1150 transfer_audio (opaque, MC_INDEX, avail);
1153 static void po_callback (void *opaque, int free)
1155 transfer_audio (opaque, PO_INDEX, free);
1158 static void ac97_save (QEMUFile *f, void *opaque)
1161 uint8_t active[LAST_INDEX];
1162 AC97LinkState *s = opaque;
1164 qemu_put_be32s (f, &s->glob_cnt);
1165 qemu_put_be32s (f, &s->glob_sta);
1166 qemu_put_be32s (f, &s->cas);
1168 for (i = 0; i < sizeof (s->bm_regs) / sizeof (s->bm_regs[0]); ++i) {
1169 AC97BusMasterRegs *r = &s->bm_regs[i];
1170 qemu_put_be32s (f, &r->bdbar);
1171 qemu_put_8s (f, &r->civ);
1172 qemu_put_8s (f, &r->lvi);
1173 qemu_put_be16s (f, &r->sr);
1174 qemu_put_be16s (f, &r->picb);
1175 qemu_put_8s (f, &r->piv);
1176 qemu_put_8s (f, &r->cr);
1177 qemu_put_be32s (f, &r->bd_valid);
1178 qemu_put_be32s (f, &r->bd.addr);
1179 qemu_put_be32s (f, &r->bd.ctl_len);
1181 qemu_put_buffer (f, s->mixer_data, sizeof (s->mixer_data));
1183 active[PI_INDEX] = AUD_is_active_in (s->voice_pi) ? 1 : 0;
1184 active[PO_INDEX] = AUD_is_active_out (s->voice_po) ? 1 : 0;
1185 active[MC_INDEX] = AUD_is_active_in (s->voice_mc) ? 1 : 0;
1186 qemu_put_buffer (f, active, sizeof (active));
1189 static int ac97_load (QEMUFile *f, void *opaque, int version_id)
1192 uint8_t active[LAST_INDEX];
1193 AC97LinkState *s = opaque;
1195 if (version_id != 1)
1198 qemu_get_be32s (f, &s->glob_cnt);
1199 qemu_get_be32s (f, &s->glob_sta);
1200 qemu_get_be32s (f, &s->cas);
1202 for (i = 0; i < sizeof (s->bm_regs) / sizeof (s->bm_regs[0]); ++i) {
1203 AC97BusMasterRegs *r = &s->bm_regs[i];
1204 qemu_get_be32s (f, &r->bdbar);
1205 qemu_get_8s (f, &r->civ);
1206 qemu_get_8s (f, &r->lvi);
1207 qemu_get_be16s (f, &r->sr);
1208 qemu_get_be16s (f, &r->picb);
1209 qemu_get_8s (f, &r->piv);
1210 qemu_get_8s (f, &r->cr);
1211 qemu_get_be32s (f, &r->bd_valid);
1212 qemu_get_be32s (f, &r->bd.addr);
1213 qemu_get_be32s (f, &r->bd.ctl_len);
1215 qemu_get_buffer (f, s->mixer_data, sizeof (s->mixer_data));
1216 qemu_get_buffer (f, active, sizeof (active));
1219 record_select (s, mixer_load (s, AC97_Record_Select));
1220 #define V_(a, b) set_volume (s, a, b, mixer_load (s, a))
1221 V_ (AC97_Master_Volume_Mute, AUD_MIXER_VOLUME);
1222 V_ (AC97_PCM_Out_Volume_Mute, AUD_MIXER_PCM);
1223 V_ (AC97_Line_In_Volume_Mute, AUD_MIXER_LINE_IN);
1226 reset_voices (s, active);
1233 static void ac97_map (PCIDevice *pci_dev, int region_num,
1234 uint32_t addr, uint32_t size, int type)
1236 PCIAC97LinkState *d = (PCIAC97LinkState *) pci_dev;
1237 AC97LinkState *s = &d->ac97;
1241 register_ioport_read (addr, 256 * 1, 1, nam_readb, d);
1242 register_ioport_read (addr, 256 * 2, 2, nam_readw, d);
1243 register_ioport_read (addr, 256 * 4, 4, nam_readl, d);
1244 register_ioport_write (addr, 256 * 1, 1, nam_writeb, d);
1245 register_ioport_write (addr, 256 * 2, 2, nam_writew, d);
1246 register_ioport_write (addr, 256 * 4, 4, nam_writel, d);
1250 register_ioport_read (addr, 64 * 1, 1, nabm_readb, d);
1251 register_ioport_read (addr, 64 * 2, 2, nabm_readw, d);
1252 register_ioport_read (addr, 64 * 4, 4, nabm_readl, d);
1253 register_ioport_write (addr, 64 * 1, 1, nabm_writeb, d);
1254 register_ioport_write (addr, 64 * 2, 2, nabm_writew, d);
1255 register_ioport_write (addr, 64 * 4, 4, nabm_writel, d);
1259 static void ac97_on_reset (void *opaque)
1261 AC97LinkState *s = opaque;
1263 reset_bm_regs (s, &s->bm_regs[0]);
1264 reset_bm_regs (s, &s->bm_regs[1]);
1265 reset_bm_regs (s, &s->bm_regs[2]);
1268 * Reset the mixer too. The Windows XP driver seems to rely on
1269 * this. At least it wants to read the vendor id before it resets
1270 * the codec manually.
1275 int ac97_init (PCIBus *bus, AudioState *audio)
1277 PCIAC97LinkState *d;
1282 AUD_log ("ac97", "No PCI bus\n");
1287 AUD_log ("ac97", "No audio state\n");
1291 d = (PCIAC97LinkState *) pci_register_device (bus, "AC97",
1292 sizeof (PCIAC97LinkState),
1296 AUD_log ("ac97", "Failed to register PCI device\n");
1301 s->pci_dev = &d->dev;
1303 c[0x00] = 0x86; /* vid vendor id intel ro */
1304 c[0x01] = 0x80; /* intel */
1306 c[0x02] = 0x15; /* did device id 82801 ro */
1307 c[0x03] = 0x24; /* 82801aa */
1309 c[0x04] = 0x00; /* pcicmd pci command rw, ro */
1312 c[0x06] = 0x80; /* pcists pci status rwc, ro */
1315 c[0x08] = 0x01; /* rid revision ro */
1316 c[0x09] = 0x00; /* pi programming interface ro */
1317 c[0x0a] = 0x01; /* scc sub class code ro */
1318 c[0x0b] = 0x04; /* bcc base class code ro */
1319 c[0x0e] = 0x00; /* headtyp header type ro */
1321 c[0x10] = 0x01; /* nabmar native audio mixer base
1327 c[0x14] = 0x01; /* nabmbar native audio bus mastering
1333 c[0x2c] = 0x86; /* svid subsystem vendor id rwo */
1336 c[0x2e] = 0x00; /* sid subsystem id rwo */
1339 c[0x3c] = 0x00; /* intr_ln interrupt line rw */
1340 c[0x3d] = 0x01; /* intr_pn interrupt pin ro */
1342 pci_register_io_region (&d->dev, 0, 256 * 4, PCI_ADDRESS_SPACE_IO, ac97_map);
1343 pci_register_io_region (&d->dev, 1, 64 * 4, PCI_ADDRESS_SPACE_IO, ac97_map);
1344 register_savevm ("ac97", 0, 1, ac97_save, ac97_load, s);
1345 qemu_register_reset (ac97_on_reset, s);
1346 AUD_register_card (audio, "ac97", &s->card);