]>
git.proxmox.com Git - mirror_qemu.git/blob - hw/sb16.c
2 * QEMU Soundblaster 16 emulation
4 * Copyright (c) 2003-2004 Vassili Karpov (malc)
6 * 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
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
27 #define AUDIO_CAP "sb16"
28 #include "audio/audio.h"
30 #define LENOFA(a) ((int) (sizeof(a)/sizeof(a[0])))
32 /* #define DEBUG_SB16_MOST */
34 #define IO_READ_PROTO(name) \
35 uint32_t name (void *opaque, uint32_t nport)
36 #define IO_WRITE_PROTO(name) \
37 void name (void *opaque, uint32_t nport, uint32_t val)
39 static const char e3
[] = "COPYRIGHT (C) CREATIVE TECHNOLOGY LTD, 1992.";
48 } conf
= {5, 4, 5, 1, 5, 0x220};
50 typedef struct SB16State
{
80 uint8_t csp_regs
[256];
89 uint8_t last_read_byte
;
99 QEMUTimer
*ts
, *aux_ts
;
102 uint8_t mixer_regs
[256];
105 /* XXX: suppress that and use a context */
106 static struct SB16State dsp
;
108 static int magic_of_irq (int irq
)
120 dolog ("bad irq %d\n", irq
);
125 static int irq_of_magic (int magic
)
137 dolog ("bad irq magic %d\n", magic
);
143 static void log_dsp (SB16State
*dsp
)
145 ldebug ("%s:%s:%d:%s:dmasize=%d:freq=%d:const=%d:speaker=%d\n",
146 dsp
->fmt_stereo
? "Stereo" : "Mono",
147 dsp
->fmt_signed
? "Signed" : "Unsigned",
149 dsp
->dma_auto
? "Auto" : "Single",
157 static void speaker (SB16State
*s
, int on
)
160 /* AUD_enable (s->voice, on); */
163 static void control (SB16State
*s
, int hold
)
165 int dma
= s
->use_hdma
? s
->hdma
: s
->dma
;
166 s
->dma_running
= hold
;
168 ldebug ("hold %d high %d dma %d\n", hold
, s
->use_hdma
, dma
);
172 AUD_enable (s
->voice
, 1);
175 DMA_release_DREQ (dma
);
176 AUD_enable (s
->voice
, 0);
180 static void aux_timer (void *opaque
)
182 SB16State
*s
= opaque
;
184 pic_set_irq (s
->irq
, 1);
190 static void dma_cmd8 (SB16State
*s
, int mask
, int dma_len
)
196 s
->fmt_stereo
= (s
->mixer_regs
[0x0e] & 2) != 0;
197 if (-1 == s
->time_const
) {
201 int tmp
= (256 - s
->time_const
);
202 s
->freq
= (1000000 + (tmp
/ 2)) / tmp
;
206 s
->block_size
= dma_len
+ 1;
208 s
->freq
>>= s
->fmt_stereo
;
209 s
->left_till_irq
= s
->block_size
;
210 s
->bytes_per_second
= (s
->freq
<< s
->fmt_stereo
);
211 /* s->highspeed = (mask & DMA8_HIGH) != 0; */
212 s
->dma_auto
= (mask
& DMA8_AUTO
) != 0;
213 s
->align
= (1 << s
->fmt_stereo
) - 1;
215 ldebug ("freq %d, stereo %d, sign %d, bits %d, "
216 "dma %d, auto %d, fifo %d, high %d\n",
217 s
->freq
, s
->fmt_stereo
, s
->fmt_signed
, s
->fmt_bits
,
218 s
->block_size
, s
->dma_auto
, s
->fifo
, s
->highspeed
);
221 s
->voice
= AUD_open (s
->voice
, "sb16", s
->freq
,
222 1 << s
->fmt_stereo
, s
->fmt
);
228 static void dma_cmd (SB16State
*s
, uint8_t cmd
, uint8_t d0
, int dma_len
)
230 s
->use_hdma
= cmd
< 0xc0;
231 s
->fifo
= (cmd
>> 1) & 1;
232 s
->dma_auto
= (cmd
>> 2) & 1;
233 s
->fmt_signed
= (d0
>> 4) & 1;
234 s
->fmt_stereo
= (d0
>> 5) & 1;
246 if (-1 != s
->time_const
) {
248 int tmp
= 256 - s
->time_const
;
249 s
->freq
= (1000000 + (tmp
/ 2)) / tmp
;
251 /* s->freq = 1000000 / ((255 - s->time_const) << s->fmt_stereo); */
252 s
->freq
= 1000000 / ((255 - s
->time_const
));
257 s
->block_size
= dma_len
+ 1;
258 s
->block_size
<<= (s
->fmt_bits
== 16);
259 if (!s
->dma_auto
) /* Miles Sound System ? */
260 s
->block_size
<<= s
->fmt_stereo
;
262 ldebug ("freq %d, stereo %d, sign %d, bits %d, "
263 "dma %d, auto %d, fifo %d, high %d\n",
264 s
->freq
, s
->fmt_stereo
, s
->fmt_signed
, s
->fmt_bits
,
265 s
->block_size
, s
->dma_auto
, s
->fifo
, s
->highspeed
);
267 if (16 == s
->fmt_bits
) {
269 s
->fmt
= AUD_FMT_S16
;
272 s
->fmt
= AUD_FMT_U16
;
284 s
->left_till_irq
= s
->block_size
;
286 s
->bytes_per_second
= (s
->freq
<< s
->fmt_stereo
) << (s
->fmt_bits
== 16);
288 s
->align
= (1 << (s
->fmt_stereo
+ (s
->fmt_bits
== 16))) - 1;
291 s
->voice
= AUD_open (s
->voice
, "sb16", s
->freq
,
292 1 << s
->fmt_stereo
, s
->fmt
);
298 static inline void dsp_out_data (SB16State
*s
, uint8_t val
)
300 ldebug ("outdata %#x\n", val
);
301 if (s
->out_data_len
< sizeof (s
->out_data
))
302 s
->out_data
[s
->out_data_len
++] = val
;
305 static inline uint8_t dsp_get_data (SB16State
*s
)
308 return s
->in2_data
[--s
->in_index
];
310 dolog ("buffer underflow\n");
315 static void command (SB16State
*s
, uint8_t cmd
)
317 ldebug ("command %#x\n", cmd
);
319 if (cmd
> 0xaf && cmd
< 0xd0) {
321 dolog ("ADC not yet supported (command %#x)\n", cmd
);
329 dolog ("%#x wrong bits\n", cmd
);
336 dsp_out_data (s
, 0x10); /* s->csp_param); */
348 /* __asm__ ("int3"); */
356 dsp_out_data (s
, 0xf8);
372 case 0x20: /* Direct ADC, Juice/PL */
373 dsp_out_data (s
, 0xff);
377 dolog ("MIDI command(0x35) not implemented\n");
399 dsp_out_data (s
, 0xaa);
402 case 0x47: /* Continue Auto-Initialize DMA 16bit */
415 dma_cmd8 (s
, ((cmd
& 1) == 0) | DMA8_HIGH
, -1);
418 case 0xd0: /* halt DMA operation. 8bit */
422 case 0xd1: /* speaker on */
426 case 0xd3: /* speaker off */
430 case 0xd4: /* continue DMA operation. 8bit */
434 case 0xd5: /* halt DMA operation. 16bit */
438 case 0xd6: /* continue DMA operation. 16bit */
442 case 0xd9: /* exit auto-init DMA after this block. 16bit */
446 case 0xda: /* exit auto-init DMA after this block. 8bit */
455 dsp_out_data (s
, s
->ver
& 0xff);
456 dsp_out_data (s
, s
->ver
>> 8);
466 for (i
= sizeof (e3
) - 1; i
>= 0; --i
)
467 dsp_out_data (s
, e3
[i
]);
471 case 0xe4: /* write test reg */
476 dolog ("Attempt to probe for ESS (0xe7)?\n");
479 case 0xe8: /* read test reg */
480 dsp_out_data (s
, s
->test_reg
);
485 dsp_out_data (s
, 0xaa);
486 s
->mixer_regs
[0x82] |= (cmd
== 0xf2) ? 1 : 2;
487 pic_set_irq (s
->irq
, 1);
498 case 0xfc: /* FIXME */
503 dolog ("unrecognized command %#x\n", cmd
);
509 if (!s
->needed_bytes
)
514 dolog ("warning command %#x,%d is not trully understood yet\n",
515 cmd
, s
->needed_bytes
);
520 static uint16_t dsp_get_lohi (SB16State
*s
)
522 uint8_t hi
= dsp_get_data (s
);
523 uint8_t lo
= dsp_get_data (s
);
524 return (hi
<< 8) | lo
;
527 static uint16_t dsp_get_hilo (SB16State
*s
)
529 uint8_t lo
= dsp_get_data (s
);
530 uint8_t hi
= dsp_get_data (s
);
531 return (hi
<< 8) | lo
;
534 static void complete (SB16State
*s
)
537 ldebug ("complete command %#x, in_index %d, needed_bytes %d\n",
538 s
->cmd
, s
->in_index
, s
->needed_bytes
);
540 if (s
->cmd
> 0xaf && s
->cmd
< 0xd0) {
541 d2
= dsp_get_data (s
);
542 d1
= dsp_get_data (s
);
543 d0
= dsp_get_data (s
);
546 dolog ("ADC params cmd = %#x d0 = %d, d1 = %d, d2 = %d\n",
550 ldebug ("cmd = %#x d0 = %d, d1 = %d, d2 = %d\n",
552 dma_cmd (s
, s
->cmd
, d0
, d1
+ (d2
<< 8));
558 s
->csp_mode
= dsp_get_data (s
);
561 ldebug ("CSP command 0x04: mode=%#x\n", s
->csp_mode
);
565 s
->csp_param
= dsp_get_data (s
);
566 s
->csp_value
= dsp_get_data (s
);
567 ldebug ("CSP command 0x05: param=%#x value=%#x\n",
573 d0
= dsp_get_data (s
);
574 d1
= dsp_get_data (s
);
575 ldebug ("write CSP register %d <- %#x\n", d1
, d0
);
577 ldebug ("0x83[%d] <- %#x\n", s
->csp_reg83r
, d0
);
578 s
->csp_reg83
[s
->csp_reg83r
% 4] = d0
;
582 s
->csp_regs
[d1
] = d0
;
586 d0
= dsp_get_data (s
);
587 ldebug ("read CSP register %#x -> %#x, mode=%#x\n",
588 d0
, s
->csp_regs
[d0
], s
->csp_mode
);
590 ldebug ("0x83[%d] -> %#x\n",
592 s
->csp_reg83
[s
->csp_reg83w
% 4]);
593 dsp_out_data (s
, s
->csp_reg83
[s
->csp_reg83w
% 4]);
597 dsp_out_data (s
, s
->csp_regs
[d0
]);
601 d0
= dsp_get_data (s
);
602 dolog ("cmd 0x10 d0=%#x\n", d0
);
606 dma_cmd8 (s
, 0, dsp_get_lohi (s
));
607 /* s->can_write = 0; */
608 /* qemu_mod_timer (s->aux_ts, qemu_get_clock (vm_clock) + (ticks_per_sec * 320) / 1000000); */
612 s
->time_const
= dsp_get_data (s
);
613 ldebug ("set time const %d\n", s
->time_const
);
616 case 0x42: /* FT2 sets output freq with this, go figure */
617 dolog ("cmd 0x42 might not do what it think it should\n");
620 s
->freq
= dsp_get_hilo (s
);
621 ldebug ("set freq %d\n", s
->freq
);
625 s
->block_size
= dsp_get_lohi (s
);
626 /* s->highspeed = 1; */
627 ldebug ("set dma block len %d\n", s
->block_size
);
637 samples
= dsp_get_lohi (s
);
638 bytes
= samples
<< s
->fmt_stereo
<< (s
->fmt_bits
== 16);
639 ticks
= ticks_per_sec
/ (s
->freq
/ bytes
);
640 if (ticks
< ticks_per_sec
/ 1024)
641 pic_set_irq (s
->irq
, 1);
643 qemu_mod_timer (s
->aux_ts
, qemu_get_clock (vm_clock
) + ticks
);
644 ldebug ("mix silence %d %d %lld\n", samples
, bytes
, ticks
);
649 d0
= dsp_get_data (s
);
651 ldebug ("E0 data = %#x\n", d0
);
652 dsp_out_data(s
, ~d0
);
656 d0
= dsp_get_data (s
);
657 dolog ("E2 = %#x\n", d0
);
661 s
->test_reg
= dsp_get_data (s
);
665 d0
= dsp_get_data (s
);
666 ldebug ("command 0xf9 with %#x\n", d0
);
669 dsp_out_data (s
, 0xff);
673 dsp_out_data (s
, 0x07);
677 dsp_out_data (s
, 0x38);
681 dsp_out_data (s
, 0x00);
687 dolog ("complete: unrecognized command %#x\n", s
->cmd
);
697 static void reset (SB16State
*s
)
699 pic_set_irq (s
->irq
, 0);
701 pic_set_irq (s
->irq
, 1);
702 pic_set_irq (s
->irq
, 0);
705 s
->mixer_regs
[0x82] = 0;
709 s
->left_till_irq
= 0;
716 dsp_out_data(s
, 0xaa);
721 static IO_WRITE_PROTO (dsp_write
)
723 SB16State
*s
= opaque
;
726 iport
= nport
- s
->port
;
728 ldebug ("write %#x <- %#x\n", nport
, val
);
734 if (0 && s
->highspeed
) {
736 pic_set_irq (s
->irq
, 0);
746 case 0x03: /* FreeBSD kludge */
751 s
->v2x6
= 0; /* Prince of Persia, csp.sys, diagnose.exe */
754 case 0xb8: /* Panic */
759 dsp_out_data (s
, 0x38);
770 case 0x0c: /* write data or command | write status */
771 /* if (s->highspeed) */
774 if (0 == s
->needed_bytes
) {
777 if (0 == s
->needed_bytes
) {
783 if (s
->in_index
== sizeof (s
->in2_data
)) {
784 dolog ("in data overrun\n");
787 s
->in2_data
[s
->in_index
++] = val
;
788 if (s
->in_index
== s
->needed_bytes
) {
800 ldebug ("(nport=%#x, val=%#x)\n", nport
, val
);
805 static IO_READ_PROTO (dsp_read
)
807 SB16State
*s
= opaque
;
808 int iport
, retval
, ack
= 0;
810 iport
= nport
- s
->port
;
813 case 0x06: /* reset */
817 case 0x0a: /* read data */
818 if (s
->out_data_len
) {
819 retval
= s
->out_data
[--s
->out_data_len
];
820 s
->last_read_byte
= retval
;
823 dolog ("empty output buffer\n");
824 retval
= s
->last_read_byte
;
829 case 0x0c: /* 0 can write */
830 retval
= s
->can_write
? 0 : 0x80;
833 case 0x0d: /* timer interrupt clear */
834 /* dolog ("timer interrupt clear\n"); */
838 case 0x0e: /* data available status | irq 8 ack */
839 retval
= (!s
->out_data_len
|| s
->highspeed
) ? 0 : 0x80;
840 if (s
->mixer_regs
[0x82] & 1) {
842 s
->mixer_regs
[0x82] &= 1;
843 pic_set_irq (s
->irq
, 0);
847 case 0x0f: /* irq 16 ack */
849 if (s
->mixer_regs
[0x82] & 2) {
851 s
->mixer_regs
[0x82] &= 2;
852 pic_set_irq (s
->irq
, 0);
861 ldebug ("read %#x -> %#x\n", nport
, retval
);
866 dolog ("WARNING dsp_read %#x error\n", nport
);
870 static void reset_mixer (SB16State
*s
)
874 memset (s
->mixer_regs
, 0xff, 0x7f);
875 memset (s
->mixer_regs
+ 0x83, 0xff, sizeof (s
->mixer_regs
) - 0x83);
877 s
->mixer_regs
[0x02] = 4; /* master volume 3bits */
878 s
->mixer_regs
[0x06] = 4; /* MIDI volume 3bits */
879 s
->mixer_regs
[0x08] = 0; /* CD volume 3bits */
880 s
->mixer_regs
[0x0a] = 0; /* voice volume 2bits */
882 /* d5=input filt, d3=lowpass filt, d1,d2=input source */
883 s
->mixer_regs
[0x0c] = 0;
885 /* d5=output filt, d1=stereo switch */
886 s
->mixer_regs
[0x0e] = 0;
888 /* voice volume L d5,d7, R d1,d3 */
889 s
->mixer_regs
[0x04] = (4 << 5) | (4 << 1);
891 s
->mixer_regs
[0x22] = (4 << 5) | (4 << 1);
893 s
->mixer_regs
[0x26] = (4 << 5) | (4 << 1);
895 for (i
= 0x30; i
< 0x48; i
++) {
896 s
->mixer_regs
[i
] = 0x20;
900 static IO_WRITE_PROTO(mixer_write_indexb
)
902 SB16State
*s
= opaque
;
906 static IO_WRITE_PROTO(mixer_write_datab
)
908 SB16State
*s
= opaque
;
910 ldebug ("mixer_write [%#x] <- %#x\n", s
->mixer_nreg
, val
);
911 if (s
->mixer_nreg
> sizeof (s
->mixer_regs
))
914 switch (s
->mixer_nreg
) {
921 int irq
= irq_of_magic (val
);
922 ldebug ("setting irq to %d (val=%#x)\n", irq
, val
);
932 dma
= lsbindex (val
& 0xf);
933 hdma
= lsbindex (val
& 0xf0);
934 dolog ("attempt to set DMA register 8bit %d, 16bit %d (val=%#x)\n",
944 dolog ("attempt to write into IRQ status register (val=%#x)\n",
949 if (s
->mixer_nreg
>= 0x80)
950 dolog ("attempt to write mixer[%#x] <- %#x\n", s
->mixer_nreg
, val
);
954 s
->mixer_regs
[s
->mixer_nreg
] = val
;
957 static IO_WRITE_PROTO(mixer_write_indexw
)
959 mixer_write_indexb (opaque
, nport
, val
& 0xff);
960 mixer_write_datab (opaque
, nport
, (val
>> 8) & 0xff);
963 static IO_READ_PROTO(mixer_read
)
965 SB16State
*s
= opaque
;
966 ldebug ("mixer_read[%#x] -> %#x\n",
967 s
->mixer_nreg
, s
->mixer_regs
[s
->mixer_nreg
]);
968 return s
->mixer_regs
[s
->mixer_nreg
];
971 static int write_audio (SB16State
*s
, int nchan
, int dma_pos
,
972 int dma_len
, int len
)
975 uint8_t tmpbuf
[4096];
981 int left
= dma_len
- dma_pos
;
984 to_copy
= audio_MIN (temp
, left
);
985 if (to_copy
> sizeof(tmpbuf
))
986 to_copy
= sizeof(tmpbuf
);
988 copied
= DMA_read_memory (nchan
, tmpbuf
, dma_pos
, to_copy
);
989 copied
= AUD_write (s
->voice
, tmpbuf
, copied
);
992 dma_pos
= (dma_pos
+ copied
) % dma_len
;
1002 static int SB_read_DMA (void *opaque
, int nchan
, int dma_pos
, int dma_len
)
1004 SB16State
*s
= opaque
;
1005 int free
, rfree
, till
, copy
, written
, elapsed
;
1007 if (s
->left_till_irq
< 0) {
1008 s
->left_till_irq
= s
->block_size
;
1011 elapsed
= AUD_calc_elapsed (s
->voice
);
1012 free
= elapsed
;/* AUD_get_free (s->voice); */
1014 free
= audio_MIN (free
, elapsed
) & ~s
->align
;
1016 if ((free
<= 0) || !dma_len
) {
1021 till
= s
->left_till_irq
;
1023 #ifdef DEBUG_SB16_MOST
1024 dolog ("pos:%06d free:%d,%d till:%d len:%d\n",
1025 dma_pos
, free
, AUD_get_free (s
->voice
), till
, dma_len
);
1029 if (0 == s
->dma_auto
) {
1034 written
= write_audio (s
, nchan
, dma_pos
, dma_len
, copy
);
1035 dma_pos
= (dma_pos
+ written
) % dma_len
;
1036 s
->left_till_irq
-= written
;
1038 if (s
->left_till_irq
<= 0) {
1039 s
->mixer_regs
[0x82] |= (nchan
& 4) ? 2 : 1;
1040 pic_set_irq (s
->irq
, 1);
1041 if (0 == s
->dma_auto
) {
1047 #ifdef DEBUG_SB16_MOST
1048 ldebug ("pos %5d free %5d size %5d till % 5d copy %5d dma size %5d\n",
1049 dma_pos
, free
, dma_len
, s
->left_till_irq
, copy
, s
->block_size
);
1052 while (s
->left_till_irq
<= 0) {
1053 s
->left_till_irq
= s
->block_size
+ s
->left_till_irq
;
1056 AUD_adjust (s
->voice
, written
);
1060 void SB_timer (void *opaque
)
1062 SB16State
*s
= opaque
;
1064 qemu_mod_timer (s
->ts
, qemu_get_clock (vm_clock
) + 1);
1067 static void SB_save (QEMUFile
*f
, void *opaque
)
1069 SB16State
*s
= opaque
;
1071 qemu_put_be32s (f
, &s
->irq
);
1072 qemu_put_be32s (f
, &s
->dma
);
1073 qemu_put_be32s (f
, &s
->hdma
);
1074 qemu_put_be32s (f
, &s
->port
);
1075 qemu_put_be32s (f
, &s
->ver
);
1076 qemu_put_be32s (f
, &s
->in_index
);
1077 qemu_put_be32s (f
, &s
->out_data_len
);
1078 qemu_put_be32s (f
, &s
->fmt_stereo
);
1079 qemu_put_be32s (f
, &s
->fmt_signed
);
1080 qemu_put_be32s (f
, &s
->fmt_bits
);
1081 qemu_put_be32s (f
, &s
->fmt
);
1082 qemu_put_be32s (f
, &s
->dma_auto
);
1083 qemu_put_be32s (f
, &s
->block_size
);
1084 qemu_put_be32s (f
, &s
->fifo
);
1085 qemu_put_be32s (f
, &s
->freq
);
1086 qemu_put_be32s (f
, &s
->time_const
);
1087 qemu_put_be32s (f
, &s
->speaker
);
1088 qemu_put_be32s (f
, &s
->needed_bytes
);
1089 qemu_put_be32s (f
, &s
->cmd
);
1090 qemu_put_be32s (f
, &s
->use_hdma
);
1091 qemu_put_be32s (f
, &s
->highspeed
);
1092 qemu_put_be32s (f
, &s
->can_write
);
1093 qemu_put_be32s (f
, &s
->v2x6
);
1095 qemu_put_8s (f
, &s
->csp_param
);
1096 qemu_put_8s (f
, &s
->csp_value
);
1097 qemu_put_8s (f
, &s
->csp_mode
);
1098 qemu_put_8s (f
, &s
->csp_param
);
1099 qemu_put_buffer (f
, s
->csp_regs
, 256);
1100 qemu_put_8s (f
, &s
->csp_index
);
1101 qemu_put_buffer (f
, s
->csp_reg83
, 4);
1102 qemu_put_be32s (f
, &s
->csp_reg83r
);
1103 qemu_put_be32s (f
, &s
->csp_reg83w
);
1105 qemu_put_buffer (f
, s
->in2_data
, sizeof (s
->in2_data
));
1106 qemu_put_buffer (f
, s
->out_data
, sizeof (s
->out_data
));
1107 qemu_put_8s (f
, &s
->test_reg
);
1108 qemu_put_8s (f
, &s
->last_read_byte
);
1110 qemu_put_be32s (f
, &s
->nzero
);
1111 qemu_put_be32s (f
, &s
->left_till_irq
);
1112 qemu_put_be32s (f
, &s
->dma_running
);
1113 qemu_put_be32s (f
, &s
->bytes_per_second
);
1114 qemu_put_be32s (f
, &s
->align
);
1116 qemu_put_be32s (f
, &s
->mixer_nreg
);
1117 qemu_put_buffer (f
, s
->mixer_regs
, 256);
1120 static int SB_load (QEMUFile
*f
, void *opaque
, int version_id
)
1122 SB16State
*s
= opaque
;
1124 if (version_id
!= 1)
1127 qemu_get_be32s (f
, &s
->irq
);
1128 qemu_get_be32s (f
, &s
->dma
);
1129 qemu_get_be32s (f
, &s
->hdma
);
1130 qemu_get_be32s (f
, &s
->port
);
1131 qemu_get_be32s (f
, &s
->ver
);
1132 qemu_get_be32s (f
, &s
->in_index
);
1133 qemu_get_be32s (f
, &s
->out_data_len
);
1134 qemu_get_be32s (f
, &s
->fmt_stereo
);
1135 qemu_get_be32s (f
, &s
->fmt_signed
);
1136 qemu_get_be32s (f
, &s
->fmt_bits
);
1137 qemu_get_be32s (f
, &s
->fmt
);
1138 qemu_get_be32s (f
, &s
->dma_auto
);
1139 qemu_get_be32s (f
, &s
->block_size
);
1140 qemu_get_be32s (f
, &s
->fifo
);
1141 qemu_get_be32s (f
, &s
->freq
);
1142 qemu_get_be32s (f
, &s
->time_const
);
1143 qemu_get_be32s (f
, &s
->speaker
);
1144 qemu_get_be32s (f
, &s
->needed_bytes
);
1145 qemu_get_be32s (f
, &s
->cmd
);
1146 qemu_get_be32s (f
, &s
->use_hdma
);
1147 qemu_get_be32s (f
, &s
->highspeed
);
1148 qemu_get_be32s (f
, &s
->can_write
);
1149 qemu_get_be32s (f
, &s
->v2x6
);
1151 qemu_get_8s (f
, &s
->csp_param
);
1152 qemu_get_8s (f
, &s
->csp_value
);
1153 qemu_get_8s (f
, &s
->csp_mode
);
1154 qemu_get_8s (f
, &s
->csp_param
);
1155 qemu_get_buffer (f
, s
->csp_regs
, 256);
1156 qemu_get_8s (f
, &s
->csp_index
);
1157 qemu_get_buffer (f
, s
->csp_reg83
, 4);
1158 qemu_get_be32s (f
, &s
->csp_reg83r
);
1159 qemu_get_be32s (f
, &s
->csp_reg83w
);
1161 qemu_get_buffer (f
, s
->in2_data
, sizeof (s
->in2_data
));
1162 qemu_get_buffer (f
, s
->out_data
, sizeof (s
->out_data
));
1163 qemu_get_8s (f
, &s
->test_reg
);
1164 qemu_get_8s (f
, &s
->last_read_byte
);
1166 qemu_get_be32s (f
, &s
->nzero
);
1167 qemu_get_be32s (f
, &s
->left_till_irq
);
1168 qemu_get_be32s (f
, &s
->dma_running
);
1169 qemu_get_be32s (f
, &s
->bytes_per_second
);
1170 qemu_get_be32s (f
, &s
->align
);
1172 qemu_get_be32s (f
, &s
->mixer_nreg
);
1173 qemu_get_buffer (f
, s
->mixer_regs
, 256);
1176 AUD_reset (s
->voice
);
1178 if (s
->dma_running
) {
1180 s
->voice
= AUD_open (s
->voice
, "sb16", s
->freq
,
1181 1 << s
->fmt_stereo
, s
->fmt
);
1184 speaker (s
, s
->speaker
);
1189 void SB16_init (void)
1191 SB16State
*s
= &dsp
;
1193 static const uint8_t dsp_write_ports
[] = {0x6, 0xc};
1194 static const uint8_t dsp_read_ports
[] = {0x6, 0xa, 0xc, 0xd, 0xe, 0xf};
1196 s
->ts
= qemu_new_timer (vm_clock
, SB_timer
, s
);
1202 s
->hdma
= conf
.hdma
;
1203 s
->port
= conf
.port
;
1204 s
->ver
= conf
.ver_lo
| (conf
.ver_hi
<< 8);
1206 s
->mixer_regs
[0x80] = magic_of_irq (s
->irq
);
1207 s
->mixer_regs
[0x81] = (1 << s
->dma
) | (1 << s
->hdma
);
1208 s
->mixer_regs
[0x82] = 2 << 5;
1211 s
->csp_regs
[9] = 0xf8;
1214 s
->aux_ts
= qemu_new_timer (vm_clock
, aux_timer
, s
);
1218 for (i
= 0; i
< LENOFA (dsp_write_ports
); i
++) {
1219 register_ioport_write (s
->port
+ dsp_write_ports
[i
], 1, 1, dsp_write
, s
);
1222 for (i
= 0; i
< LENOFA (dsp_read_ports
); i
++) {
1223 register_ioport_read (s
->port
+ dsp_read_ports
[i
], 1, 1, dsp_read
, s
);
1226 register_ioport_write (s
->port
+ 0x4, 1, 1, mixer_write_indexb
, s
);
1227 register_ioport_write (s
->port
+ 0x4, 1, 2, mixer_write_indexw
, s
);
1228 register_ioport_read (s
->port
+ 0x5, 1, 1, mixer_read
, s
);
1229 register_ioport_write (s
->port
+ 0x5, 1, 1, mixer_write_datab
, s
);
1231 DMA_register_channel (s
->hdma
, SB_read_DMA
, s
);
1232 DMA_register_channel (s
->dma
, SB_read_DMA
, s
);
1235 qemu_mod_timer (s
->ts
, qemu_get_clock (vm_clock
) + 1);
1236 register_savevm ("sb16", 0, 1, SB_save
, SB_load
, s
);