1 |
/* |
/* |
2 |
* QEMU Soundblaster 16 emulation |
* QEMU Soundblaster 16 emulation |
3 |
* |
* |
4 |
* Copyright (c) 2003-2004 Vassili Karpov (malc) |
* Copyright (c) 2003-2005 Vassili Karpov (malc) |
5 |
* |
* |
6 |
* Permission is hereby granted, free of charge, to any person obtaining a copy |
* Permission is hereby granted, free of charge, to any person obtaining a copy |
7 |
* of this software and associated documentation files (the "Software"), to deal |
* of this software and associated documentation files (the "Software"), to deal |
8 |
* in the Software without restriction, including without limitation the rights |
* in the Software without restriction, including without limitation the rights |
99 |
int dma_running; |
int dma_running; |
100 |
int bytes_per_second; |
int bytes_per_second; |
101 |
int align; |
int align; |
102 |
SWVoice *voice; |
int audio_free; |
103 |
|
SWVoiceOut *voice; |
104 |
|
|
105 |
QEMUTimer *ts, *aux_ts; |
QEMUTimer *aux_ts; |
106 |
/* mixer state */ |
/* mixer state */ |
107 |
int mixer_nreg; |
int mixer_nreg; |
108 |
uint8_t mixer_regs[256]; |
uint8_t mixer_regs[256]; |
111 |
/* XXX: suppress that and use a context */ |
/* XXX: suppress that and use a context */ |
112 |
static struct SB16State dsp; |
static struct SB16State dsp; |
113 |
|
|
114 |
|
static void SB_audio_callback (void *opaque, int free); |
115 |
|
|
116 |
static int magic_of_irq (int irq) |
static int magic_of_irq (int irq) |
117 |
{ |
{ |
118 |
switch (irq) { |
switch (irq) { |
177 |
|
|
178 |
if (hold) { |
if (hold) { |
179 |
DMA_hold_DREQ (dma); |
DMA_hold_DREQ (dma); |
180 |
AUD_enable (s->voice, 1); |
AUD_set_active_out (s->voice, 1); |
181 |
} |
} |
182 |
else { |
else { |
183 |
DMA_release_DREQ (dma); |
DMA_release_DREQ (dma); |
184 |
AUD_enable (s->voice, 0); |
AUD_set_active_out (s->voice, 0); |
185 |
} |
} |
186 |
} |
} |
187 |
|
|
210 |
s->freq = (1000000 + (tmp / 2)) / tmp; |
s->freq = (1000000 + (tmp / 2)) / tmp; |
211 |
} |
} |
212 |
|
|
213 |
if (dma_len != -1) |
if (dma_len != -1) { |
214 |
s->block_size = dma_len << s->fmt_stereo; |
s->block_size = dma_len << s->fmt_stereo; |
215 |
|
} |
216 |
else { |
else { |
217 |
/* This is apparently the only way to make both Act1/PL |
/* This is apparently the only way to make both Act1/PL |
218 |
and SecondReality/FC work |
and SecondReality/FC work |
231 |
s->dma_auto = (mask & DMA8_AUTO) != 0; |
s->dma_auto = (mask & DMA8_AUTO) != 0; |
232 |
s->align = (1 << s->fmt_stereo) - 1; |
s->align = (1 << s->fmt_stereo) - 1; |
233 |
|
|
234 |
if (s->block_size & s->align) |
if (s->block_size & s->align) { |
235 |
dolog ("warning: unaligned buffer\n"); |
dolog ("warning: misaligned block size %d, alignment %d\n", |
236 |
|
s->block_size, s->align + 1); |
237 |
|
} |
238 |
|
|
239 |
ldebug ("freq %d, stereo %d, sign %d, bits %d, " |
ldebug ("freq %d, stereo %d, sign %d, bits %d, " |
240 |
"dma %d, auto %d, fifo %d, high %d\n", |
"dma %d, auto %d, fifo %d, high %d\n", |
241 |
s->freq, s->fmt_stereo, s->fmt_signed, s->fmt_bits, |
s->freq, s->fmt_stereo, s->fmt_signed, s->fmt_bits, |
242 |
s->block_size, s->dma_auto, s->fifo, s->highspeed); |
s->block_size, s->dma_auto, s->fifo, s->highspeed); |
243 |
|
|
244 |
if (s->freq) |
if (s->freq) { |
245 |
s->voice = AUD_open (s->voice, "sb16", s->freq, |
s->audio_free = 0; |
246 |
1 << s->fmt_stereo, s->fmt); |
s->voice = AUD_open_out ( |
247 |
|
s->voice, |
248 |
|
"sb16", |
249 |
|
s, |
250 |
|
SB_audio_callback, |
251 |
|
s->freq, |
252 |
|
1 << s->fmt_stereo, |
253 |
|
s->fmt |
254 |
|
); |
255 |
|
} |
256 |
|
|
257 |
control (s, 1); |
control (s, 1); |
258 |
speaker (s, 1); |
speaker (s, 1); |
324 |
s->bytes_per_second = (s->freq << s->fmt_stereo) << (s->fmt_bits == 16); |
s->bytes_per_second = (s->freq << s->fmt_stereo) << (s->fmt_bits == 16); |
325 |
s->highspeed = 0; |
s->highspeed = 0; |
326 |
s->align = (1 << (s->fmt_stereo + (s->fmt_bits == 16))) - 1; |
s->align = (1 << (s->fmt_stereo + (s->fmt_bits == 16))) - 1; |
327 |
if (s->block_size & s->align) |
if (s->block_size & s->align) { |
328 |
dolog ("warning: unaligned buffer\n"); |
dolog ("warning: misaligned block size %d, alignment %d\n", |
329 |
|
s->block_size, s->align + 1); |
330 |
if (s->freq) |
} |
331 |
s->voice = AUD_open (s->voice, "sb16", s->freq, |
|
332 |
1 << s->fmt_stereo, s->fmt); |
if (s->freq) { |
333 |
|
s->audio_free = 0; |
334 |
|
s->voice = AUD_open_out ( |
335 |
|
s->voice, |
336 |
|
"sb16", |
337 |
|
s, |
338 |
|
SB_audio_callback, |
339 |
|
s->freq, |
340 |
|
1 << s->fmt_stereo, |
341 |
|
s->fmt |
342 |
|
); |
343 |
|
} |
344 |
|
|
345 |
control (s, 1); |
control (s, 1); |
346 |
speaker (s, 1); |
speaker (s, 1); |
349 |
static inline void dsp_out_data (SB16State *s, uint8_t val) |
static inline void dsp_out_data (SB16State *s, uint8_t val) |
350 |
{ |
{ |
351 |
ldebug ("outdata %#x\n", val); |
ldebug ("outdata %#x\n", val); |
352 |
if (s->out_data_len < sizeof (s->out_data)) |
if (s->out_data_len < sizeof (s->out_data)) { |
353 |
s->out_data[s->out_data_len++] = val; |
s->out_data[s->out_data_len++] = val; |
354 |
|
} |
355 |
} |
} |
356 |
|
|
357 |
static inline uint8_t dsp_get_data (SB16State *s) |
static inline uint8_t dsp_get_data (SB16State *s) |
358 |
{ |
{ |
359 |
if (s->in_index) |
if (s->in_index) { |
360 |
return s->in2_data[--s->in_index]; |
return s->in2_data[--s->in_index]; |
361 |
|
} |
362 |
else { |
else { |
363 |
dolog ("buffer underflow\n"); |
dolog ("buffer underflow\n"); |
364 |
return 0; |
return 0; |
384 |
s->needed_bytes = 3; |
s->needed_bytes = 3; |
385 |
} |
} |
386 |
else { |
else { |
387 |
|
s->needed_bytes = 0; |
388 |
|
|
389 |
switch (cmd) { |
switch (cmd) { |
390 |
case 0x03: |
case 0x03: |
391 |
dsp_out_data (s, 0x10); /* s->csp_param); */ |
dsp_out_data (s, 0x10); /* s->csp_param); */ |
433 |
goto warn; |
goto warn; |
434 |
|
|
435 |
case 0x35: |
case 0x35: |
436 |
dolog ("MIDI command(0x35) not implemented\n"); |
dolog ("0x35 - MIDI command not implemented\n"); |
437 |
break; |
break; |
438 |
|
|
439 |
case 0x40: |
case 0x40: |
465 |
s->needed_bytes = 2; |
s->needed_bytes = 2; |
466 |
break; |
break; |
467 |
|
|
468 |
|
case 0x74: |
469 |
|
s->needed_bytes = 2; /* DMA DAC, 4-bit ADPCM */ |
470 |
|
dolog ("0x75 - DMA DAC, 4-bit ADPCM not implemented\n"); |
471 |
|
break; |
472 |
|
|
473 |
|
case 0x75: /* DMA DAC, 4-bit ADPCM Reference */ |
474 |
|
s->needed_bytes = 2; |
475 |
|
dolog ("0x74 - DMA DAC, 4-bit ADPCM Reference not implemented\n"); |
476 |
|
break; |
477 |
|
|
478 |
|
case 0x76: /* DMA DAC, 2.6-bit ADPCM */ |
479 |
|
s->needed_bytes = 2; |
480 |
|
dolog ("0x74 - DMA DAC, 2.6-bit ADPCM not implemented\n"); |
481 |
|
break; |
482 |
|
|
483 |
|
case 0x77: /* DMA DAC, 2.6-bit ADPCM Reference */ |
484 |
|
s->needed_bytes = 2; |
485 |
|
dolog ("0x74 - DMA DAC, 2.6-bit ADPCM Reference not implemented\n"); |
486 |
|
break; |
487 |
|
|
488 |
|
case 0x7d: |
489 |
|
dolog ("0x7d - Autio-Initialize DMA DAC, 4-bit ADPCM Reference\n"); |
490 |
|
dolog ("not implemented\n"); |
491 |
|
break; |
492 |
|
|
493 |
|
case 0x7f: |
494 |
|
dolog ( |
495 |
|
"0x7d - Autio-Initialize DMA DAC, 2.6-bit ADPCM Reference\n" |
496 |
|
); |
497 |
|
dolog ("not implemented\n"); |
498 |
|
break; |
499 |
|
|
500 |
case 0x80: |
case 0x80: |
501 |
s->needed_bytes = 2; |
s->needed_bytes = 2; |
502 |
break; |
break; |
538 |
s->dma_auto = 0; |
s->dma_auto = 0; |
539 |
break; |
break; |
540 |
|
|
541 |
case 0xe0: |
case 0xe0: /* DSP identification */ |
542 |
s->needed_bytes = 1; |
s->needed_bytes = 1; |
543 |
goto warn; |
break; |
544 |
|
|
545 |
case 0xe1: |
case 0xe1: |
546 |
dsp_out_data (s, s->ver & 0xff); |
dsp_out_data (s, s->ver & 0xff); |
565 |
|
|
566 |
case 0xe7: |
case 0xe7: |
567 |
dolog ("Attempt to probe for ESS (0xe7)?\n"); |
dolog ("Attempt to probe for ESS (0xe7)?\n"); |
568 |
return; |
break; |
569 |
|
|
570 |
case 0xe8: /* read test reg */ |
case 0xe8: /* read test reg */ |
571 |
dsp_out_data (s, s->test_reg); |
dsp_out_data (s, s->test_reg); |
591 |
goto warn; |
goto warn; |
592 |
|
|
593 |
default: |
default: |
594 |
dolog ("unrecognized command %#x\n", cmd); |
dolog ("Unrecognized command %#x\n", cmd); |
595 |
return; |
break; |
596 |
} |
} |
597 |
} |
} |
598 |
|
|
599 |
s->cmd = cmd; |
if (!s->needed_bytes) { |
|
if (!s->needed_bytes) |
|
600 |
ldebug ("\n"); |
ldebug ("\n"); |
601 |
|
} |
602 |
|
|
603 |
|
exit: |
604 |
|
if (!s->needed_bytes) { |
605 |
|
s->cmd = -1; |
606 |
|
} |
607 |
|
else { |
608 |
|
s->cmd = cmd; |
609 |
|
} |
610 |
return; |
return; |
611 |
|
|
612 |
warn: |
warn: |
613 |
dolog ("warning: command %#x,%d is not truly understood yet\n", |
dolog ("warning: command %#x,%d is not truly understood yet\n", |
614 |
cmd, s->needed_bytes); |
cmd, s->needed_bytes); |
615 |
s->cmd = cmd; |
goto exit; |
616 |
return; |
|
617 |
} |
} |
618 |
|
|
619 |
static uint16_t dsp_get_lohi (SB16State *s) |
static uint16_t dsp_get_lohi (SB16State *s) |
677 |
s->csp_reg83[s->csp_reg83r % 4] = d0; |
s->csp_reg83[s->csp_reg83r % 4] = d0; |
678 |
s->csp_reg83r += 1; |
s->csp_reg83r += 1; |
679 |
} |
} |
680 |
else |
else { |
681 |
s->csp_regs[d1] = d0; |
s->csp_regs[d1] = d0; |
682 |
|
} |
683 |
break; |
break; |
684 |
|
|
685 |
case 0x0f: |
case 0x0f: |
693 |
dsp_out_data (s, s->csp_reg83[s->csp_reg83w % 4]); |
dsp_out_data (s, s->csp_reg83[s->csp_reg83w % 4]); |
694 |
s->csp_reg83w += 1; |
s->csp_reg83w += 1; |
695 |
} |
} |
696 |
else |
else { |
697 |
dsp_out_data (s, s->csp_regs[d0]); |
dsp_out_data (s, s->csp_regs[d0]); |
698 |
|
} |
699 |
break; |
break; |
700 |
|
|
701 |
case 0x10: |
case 0x10: |
713 |
break; |
break; |
714 |
|
|
715 |
case 0x42: /* FT2 sets output freq with this, go figure */ |
case 0x42: /* FT2 sets output freq with this, go figure */ |
716 |
|
#if 0 |
717 |
dolog ("cmd 0x42 might not do what it think it should\n"); |
dolog ("cmd 0x42 might not do what it think it should\n"); |
718 |
|
#endif |
719 |
case 0x41: |
case 0x41: |
720 |
s->freq = dsp_get_hilo (s); |
s->freq = dsp_get_hilo (s); |
721 |
ldebug ("set freq %d\n", s->freq); |
ldebug ("set freq %d\n", s->freq); |
726 |
ldebug ("set dma block len %d\n", s->block_size); |
ldebug ("set dma block len %d\n", s->block_size); |
727 |
break; |
break; |
728 |
|
|
729 |
|
case 0x74: |
730 |
|
case 0x75: |
731 |
|
case 0x76: |
732 |
|
case 0x77: |
733 |
|
/* ADPCM stuff, ignore */ |
734 |
|
break; |
735 |
|
|
736 |
case 0x80: |
case 0x80: |
737 |
{ |
{ |
738 |
int freq, samples, bytes; |
int freq, samples, bytes; |
742 |
samples = dsp_get_lohi (s) + 1; |
samples = dsp_get_lohi (s) + 1; |
743 |
bytes = samples << s->fmt_stereo << (s->fmt_bits == 16); |
bytes = samples << s->fmt_stereo << (s->fmt_bits == 16); |
744 |
ticks = (bytes * ticks_per_sec) / freq; |
ticks = (bytes * ticks_per_sec) / freq; |
745 |
if (ticks < ticks_per_sec / 1024) |
if (ticks < ticks_per_sec / 1024) { |
746 |
pic_set_irq (s->irq, 1); |
pic_set_irq (s->irq, 1); |
747 |
else |
} |
748 |
qemu_mod_timer (s->aux_ts, qemu_get_clock (vm_clock) + ticks); |
else { |
749 |
|
if (s->aux_ts) { |
750 |
|
qemu_mod_timer ( |
751 |
|
s->aux_ts, |
752 |
|
qemu_get_clock (vm_clock) + ticks |
753 |
|
); |
754 |
|
} |
755 |
|
} |
756 |
ldebug ("mix silence %d %d %lld\n", samples, bytes, ticks); |
ldebug ("mix silence %d %d %lld\n", samples, bytes, ticks); |
757 |
} |
} |
758 |
break; |
break; |
761 |
d0 = dsp_get_data (s); |
d0 = dsp_get_data (s); |
762 |
s->out_data_len = 0; |
s->out_data_len = 0; |
763 |
ldebug ("E0 data = %#x\n", d0); |
ldebug ("E0 data = %#x\n", d0); |
764 |
dsp_out_data(s, ~d0); |
dsp_out_data (s, ~d0); |
765 |
break; |
break; |
766 |
|
|
767 |
case 0xe2: |
case 0xe2: |
824 |
s->nzero = 0; |
s->nzero = 0; |
825 |
s->highspeed = 0; |
s->highspeed = 0; |
826 |
s->v2x6 = 0; |
s->v2x6 = 0; |
827 |
|
s->cmd = -1; |
828 |
|
|
829 |
dsp_out_data(s, 0xaa); |
dsp_out_data(s, 0xaa); |
830 |
speaker (s, 0); |
speaker (s, 0); |
849 |
pic_set_irq (s->irq, 0); |
pic_set_irq (s->irq, 0); |
850 |
control (s, 0); |
control (s, 0); |
851 |
} |
} |
852 |
else |
else { |
853 |
reset (s); |
reset (s); |
854 |
|
} |
855 |
} |
} |
856 |
s->v2x6 = 0; |
s->v2x6 = 0; |
857 |
break; |
break; |
934 |
s->last_read_byte = retval; |
s->last_read_byte = retval; |
935 |
} |
} |
936 |
else { |
else { |
937 |
dolog ("empty output buffer\n"); |
if (s->cmd != -1) { |
938 |
|
dolog ("empty output buffer for command %#x\n", |
939 |
|
s->cmd); |
940 |
|
} |
941 |
retval = s->last_read_byte; |
retval = s->last_read_byte; |
942 |
/* goto error; */ |
/* goto error; */ |
943 |
} |
} |
974 |
goto error; |
goto error; |
975 |
} |
} |
976 |
|
|
977 |
if (!ack) |
if (!ack) { |
978 |
ldebug ("read %#x -> %#x\n", nport, retval); |
ldebug ("read %#x -> %#x\n", nport, retval); |
979 |
|
} |
980 |
|
|
981 |
return retval; |
return retval; |
982 |
|
|
983 |
error: |
error: |
984 |
dolog ("WARNING dsp_read %#x error\n", nport); |
dolog ("warning: dsp_read %#x error\n", nport); |
985 |
return 0xff; |
return 0xff; |
986 |
} |
} |
987 |
|
|
1026 |
SB16State *s = opaque; |
SB16State *s = opaque; |
1027 |
|
|
1028 |
ldebug ("mixer_write [%#x] <- %#x\n", s->mixer_nreg, val); |
ldebug ("mixer_write [%#x] <- %#x\n", s->mixer_nreg, val); |
1029 |
if (s->mixer_nreg > sizeof (s->mixer_regs)) |
if (s->mixer_nreg > sizeof (s->mixer_regs)) { |
1030 |
return; |
return; |
1031 |
|
} |
1032 |
|
|
1033 |
switch (s->mixer_nreg) { |
switch (s->mixer_nreg) { |
1034 |
case 0x00: |
case 0x00: |
1039 |
{ |
{ |
1040 |
int irq = irq_of_magic (val); |
int irq = irq_of_magic (val); |
1041 |
ldebug ("setting irq to %d (val=%#x)\n", irq, val); |
ldebug ("setting irq to %d (val=%#x)\n", irq, val); |
1042 |
if (irq > 0) |
if (irq > 0) { |
1043 |
s->irq = irq; |
s->irq = irq; |
1044 |
|
} |
1045 |
} |
} |
1046 |
break; |
break; |
1047 |
|
|
1051 |
|
|
1052 |
dma = lsbindex (val & 0xf); |
dma = lsbindex (val & 0xf); |
1053 |
hdma = lsbindex (val & 0xf0); |
hdma = lsbindex (val & 0xf0); |
1054 |
dolog ("attempt to set DMA register 8bit %d, 16bit %d (val=%#x)\n", |
if (dma != s->dma || hdma != s->hdma) { |
1055 |
dma, hdma, val); |
dolog ( |
1056 |
|
"attempt to change DMA " |
1057 |
|
"8bit %d(%d), 16bit %d(%d) (val=%#x)\n", |
1058 |
|
dma, s->dma, hdma, s->hdma, val); |
1059 |
|
} |
1060 |
#if 0 |
#if 0 |
1061 |
s->dma = dma; |
s->dma = dma; |
1062 |
s->hdma = hdma; |
s->hdma = hdma; |
1070 |
return; |
return; |
1071 |
|
|
1072 |
default: |
default: |
1073 |
if (s->mixer_nreg >= 0x80) |
if (s->mixer_nreg >= 0x80) { |
1074 |
dolog ("attempt to write mixer[%#x] <- %#x\n", s->mixer_nreg, val); |
ldebug ("attempt to write mixer[%#x] <- %#x\n", s->mixer_nreg, val); |
1075 |
|
} |
1076 |
break; |
break; |
1077 |
} |
} |
1078 |
|
|
1089 |
{ |
{ |
1090 |
SB16State *s = opaque; |
SB16State *s = opaque; |
1091 |
#ifndef DEBUG_SB16_MOST |
#ifndef DEBUG_SB16_MOST |
1092 |
if (s->mixer_nreg != 0x82) |
if (s->mixer_nreg != 0x82) { |
1093 |
#endif |
ldebug ("mixer_read[%#x] -> %#x\n", |
1094 |
|
s->mixer_nreg, s->mixer_regs[s->mixer_nreg]); |
1095 |
|
} |
1096 |
|
#else |
1097 |
ldebug ("mixer_read[%#x] -> %#x\n", |
ldebug ("mixer_read[%#x] -> %#x\n", |
1098 |
s->mixer_nreg, s->mixer_regs[s->mixer_nreg]); |
s->mixer_nreg, s->mixer_regs[s->mixer_nreg]); |
1099 |
|
#endif |
1100 |
return s->mixer_regs[s->mixer_nreg]; |
return s->mixer_regs[s->mixer_nreg]; |
1101 |
} |
} |
1102 |
|
|
1114 |
int to_copy, copied; |
int to_copy, copied; |
1115 |
|
|
1116 |
to_copy = audio_MIN (temp, left); |
to_copy = audio_MIN (temp, left); |
1117 |
if (to_copy > sizeof(tmpbuf)) |
if (to_copy > sizeof(tmpbuf)) { |
1118 |
to_copy = sizeof(tmpbuf); |
to_copy = sizeof(tmpbuf); |
1119 |
|
} |
1120 |
|
|
1121 |
copied = DMA_read_memory (nchan, tmpbuf, dma_pos, to_copy); |
copied = DMA_read_memory (nchan, tmpbuf, dma_pos, to_copy); |
1122 |
copied = AUD_write (s->voice, tmpbuf, copied); |
copied = AUD_write (s->voice, tmpbuf, copied); |
1125 |
dma_pos = (dma_pos + copied) % dma_len; |
dma_pos = (dma_pos + copied) % dma_len; |
1126 |
net += copied; |
net += copied; |
1127 |
|
|
1128 |
if (!copied) |
if (!copied) { |
1129 |
break; |
break; |
1130 |
|
} |
1131 |
} |
} |
1132 |
|
|
1133 |
return net; |
return net; |
1136 |
static int SB_read_DMA (void *opaque, int nchan, int dma_pos, int dma_len) |
static int SB_read_DMA (void *opaque, int nchan, int dma_pos, int dma_len) |
1137 |
{ |
{ |
1138 |
SB16State *s = opaque; |
SB16State *s = opaque; |
1139 |
int free, rfree, till, copy, written, elapsed; |
int till, copy, written, free; |
1140 |
|
|
1141 |
if (s->left_till_irq < 0) { |
if (s->left_till_irq < 0) { |
1142 |
s->left_till_irq = s->block_size; |
s->left_till_irq = s->block_size; |
1143 |
} |
} |
1144 |
|
|
1145 |
elapsed = AUD_calc_elapsed (s->voice); |
if (s->voice) { |
1146 |
free = elapsed;/* AUD_get_free (s->voice); */ |
free = s->audio_free & ~s->align; |
1147 |
rfree = free; |
if ((free <= 0) || !dma_len) { |
1148 |
free = audio_MIN (free, elapsed) & ~s->align; |
return dma_pos; |
1149 |
|
} |
1150 |
if ((free <= 0) || !dma_len) { |
} |
1151 |
return dma_pos; |
else { |
1152 |
|
free = dma_len; |
1153 |
} |
} |
1154 |
|
|
1155 |
copy = free; |
copy = free; |
1156 |
till = s->left_till_irq; |
till = s->left_till_irq; |
1157 |
|
|
1158 |
#ifdef DEBUG_SB16_MOST |
#ifdef DEBUG_SB16_MOST |
1159 |
dolog ("pos:%06d free:%d,%d till:%d len:%d\n", |
dolog ("pos:%06d %d till:%d len:%d\n", |
1160 |
dma_pos, free, AUD_get_free (s->voice), till, dma_len); |
dma_pos, free, till, dma_len); |
1161 |
#endif |
#endif |
1162 |
|
|
1163 |
if (till <= copy) { |
if (till <= copy) { |
1189 |
s->left_till_irq = s->block_size + s->left_till_irq; |
s->left_till_irq = s->block_size + s->left_till_irq; |
1190 |
} |
} |
1191 |
|
|
|
AUD_adjust (s->voice, written); |
|
1192 |
return dma_pos; |
return dma_pos; |
1193 |
} |
} |
1194 |
|
|
1195 |
void SB_timer (void *opaque) |
static void SB_audio_callback (void *opaque, int free) |
1196 |
{ |
{ |
1197 |
SB16State *s = opaque; |
SB16State *s = opaque; |
1198 |
AUD_run (); |
s->audio_free = free; |
|
qemu_mod_timer (s->ts, qemu_get_clock (vm_clock) + 1); |
|
1199 |
} |
} |
1200 |
|
|
1201 |
static void SB_save (QEMUFile *f, void *opaque) |
static void SB_save (QEMUFile *f, void *opaque) |
1255 |
{ |
{ |
1256 |
SB16State *s = opaque; |
SB16State *s = opaque; |
1257 |
|
|
1258 |
if (version_id != 1) |
if (version_id != 1) { |
1259 |
return -EINVAL; |
return -EINVAL; |
1260 |
|
} |
1261 |
|
|
1262 |
qemu_get_be32s (f, &s->irq); |
qemu_get_be32s (f, &s->irq); |
1263 |
qemu_get_be32s (f, &s->dma); |
qemu_get_be32s (f, &s->dma); |
1308 |
qemu_get_buffer (f, s->mixer_regs, 256); |
qemu_get_buffer (f, s->mixer_regs, 256); |
1309 |
|
|
1310 |
if (s->voice) { |
if (s->voice) { |
1311 |
AUD_close (s->voice); |
AUD_close_out (s->voice); |
1312 |
s->voice = NULL; |
s->voice = NULL; |
1313 |
} |
} |
1314 |
|
|
1315 |
if (s->dma_running) { |
if (s->dma_running) { |
1316 |
if (s->freq) |
if (s->freq) { |
1317 |
s->voice = AUD_open (s->voice, "sb16", s->freq, |
s->audio_free = 0; |
1318 |
1 << s->fmt_stereo, s->fmt); |
s->voice = AUD_open_out ( |
1319 |
|
s->voice, |
1320 |
|
"sb16", |
1321 |
|
s, |
1322 |
|
SB_audio_callback, |
1323 |
|
s->freq, |
1324 |
|
1 << s->fmt_stereo, |
1325 |
|
s->fmt |
1326 |
|
); |
1327 |
|
} |
1328 |
|
|
1329 |
control (s, 1); |
control (s, 1); |
1330 |
speaker (s, s->speaker); |
speaker (s, s->speaker); |
1339 |
static const uint8_t dsp_write_ports[] = {0x6, 0xc}; |
static const uint8_t dsp_write_ports[] = {0x6, 0xc}; |
1340 |
static const uint8_t dsp_read_ports[] = {0x6, 0xa, 0xc, 0xd, 0xe, 0xf}; |
static const uint8_t dsp_read_ports[] = {0x6, 0xa, 0xc, 0xd, 0xe, 0xf}; |
1341 |
|
|
1342 |
s->ts = qemu_new_timer (vm_clock, SB_timer, s); |
s->cmd = -1; |
|
if (!s->ts) |
|
|
return; |
|
|
|
|
1343 |
s->irq = conf.irq; |
s->irq = conf.irq; |
1344 |
s->dma = conf.dma; |
s->dma = conf.dma; |
1345 |
s->hdma = conf.hdma; |
s->hdma = conf.hdma; |
1355 |
|
|
1356 |
reset_mixer (s); |
reset_mixer (s); |
1357 |
s->aux_ts = qemu_new_timer (vm_clock, aux_timer, s); |
s->aux_ts = qemu_new_timer (vm_clock, aux_timer, s); |
1358 |
if (!s->aux_ts) |
if (!s->aux_ts) { |
1359 |
return; |
dolog ("Can not create auxiliary timer\n"); |
1360 |
|
} |
1361 |
|
|
1362 |
for (i = 0; i < LENOFA (dsp_write_ports); i++) { |
for (i = 0; i < LENOFA (dsp_write_ports); i++) { |
1363 |
register_ioport_write (s->port + dsp_write_ports[i], 1, 1, dsp_write, s); |
register_ioport_write (s->port + dsp_write_ports[i], 1, 1, dsp_write, s); |
1376 |
DMA_register_channel (s->dma, SB_read_DMA, s); |
DMA_register_channel (s->dma, SB_read_DMA, s); |
1377 |
s->can_write = 1; |
s->can_write = 1; |
1378 |
|
|
|
qemu_mod_timer (s->ts, qemu_get_clock (vm_clock) + 1); |
|
1379 |
register_savevm ("sb16", 0, 1, SB_save, SB_load, s); |
register_savevm ("sb16", 0, 1, SB_save, SB_load, s); |
1380 |
} |
} |