/*
* QEMU Soundblaster 16 emulation
- *
- * Copyright (c) 2003-2004 Vassili Karpov (malc)
- *
+ *
+ * Copyright (c) 2003-2005 Vassili Karpov (malc)
+ *
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
-#include "vl.h"
-
-#define LENOFA(a) ((int) (sizeof(a)/sizeof(a[0])))
+#include "hw.h"
+#include "audiodev.h"
+#include "audio/audio.h"
+#include "isa.h"
+#include "qdev.h"
+#include "qemu-timer.h"
+#include "host-utils.h"
#define dolog(...) AUD_log ("sb16", __VA_ARGS__)
static const char e3[] = "COPYRIGHT (C) CREATIVE TECHNOLOGY LTD, 1992.";
-static struct {
- int ver_lo;
- int ver_hi;
- int irq;
- int dma;
- int hdma;
- int port;
-} conf = {5, 4, 5, 1, 5, 0x220};
-
typedef struct SB16State {
- int irq;
- int dma;
- int hdma;
- int port;
- int ver;
+ ISADevice dev;
+ QEMUSoundCard card;
+ qemu_irq pic;
+ uint32_t irq;
+ uint32_t dma;
+ uint32_t hdma;
+ uint32_t port;
+ uint32_t ver;
int in_index;
int out_data_len;
int dma_running;
int bytes_per_second;
int align;
- SWVoice *voice;
+ int audio_free;
+ SWVoiceOut *voice;
- QEMUTimer *ts, *aux_ts;
+ QEMUTimer *aux_ts;
/* mixer state */
int mixer_nreg;
uint8_t mixer_regs[256];
} SB16State;
-/* XXX: suppress that and use a context */
-static struct SB16State dsp;
+static void SB_audio_callback (void *opaque, int free);
static int magic_of_irq (int irq)
{
if (hold) {
DMA_hold_DREQ (dma);
- AUD_enable (s->voice, 1);
+ AUD_set_active_out (s->voice, 1);
}
else {
DMA_release_DREQ (dma);
- AUD_enable (s->voice, 0);
+ AUD_set_active_out (s->voice, 0);
}
}
{
SB16State *s = opaque;
s->can_write = 1;
- pic_set_irq (s->irq, 1);
+ qemu_irq_raise (s->pic);
}
#define DMA8_AUTO 1
#define DMA8_HIGH 2
+static void continue_dma8 (SB16State *s)
+{
+ if (s->freq > 0) {
+ struct audsettings as;
+
+ s->audio_free = 0;
+
+ as.freq = s->freq;
+ as.nchannels = 1 << s->fmt_stereo;
+ as.fmt = s->fmt;
+ as.endianness = 0;
+
+ s->voice = AUD_open_out (
+ &s->card,
+ s->voice,
+ "sb16",
+ s,
+ SB_audio_callback,
+ &as
+ );
+ }
+
+ control (s, 1);
+}
+
static void dma_cmd8 (SB16State *s, int mask, int dma_len)
{
s->fmt = AUD_FMT_U8;
s->fmt_signed = 0;
s->fmt_stereo = (s->mixer_regs[0x0e] & 2) != 0;
if (-1 == s->time_const) {
- s->freq = 11025;
+ if (s->freq <= 0)
+ s->freq = 11025;
}
else {
int tmp = (256 - s->time_const);
s->freq = (1000000 + (tmp / 2)) / tmp;
}
- if (dma_len != -1)
+ if (dma_len != -1) {
s->block_size = dma_len << s->fmt_stereo;
+ }
else {
/* This is apparently the only way to make both Act1/PL
and SecondReality/FC work
s->dma_auto = (mask & DMA8_AUTO) != 0;
s->align = (1 << s->fmt_stereo) - 1;
- if (s->block_size & s->align)
- dolog ("warning: unaligned buffer\n");
+ if (s->block_size & s->align) {
+ dolog ("warning: misaligned block size %d, alignment %d\n",
+ s->block_size, s->align + 1);
+ }
ldebug ("freq %d, stereo %d, sign %d, bits %d, "
"dma %d, auto %d, fifo %d, high %d\n",
s->freq, s->fmt_stereo, s->fmt_signed, s->fmt_bits,
s->block_size, s->dma_auto, s->fifo, s->highspeed);
- if (s->freq)
- s->voice = AUD_open (s->voice, "sb16", s->freq,
- 1 << s->fmt_stereo, s->fmt);
-
- control (s, 1);
+ continue_dma8 (s);
speaker (s, 1);
}
s->bytes_per_second = (s->freq << s->fmt_stereo) << (s->fmt_bits == 16);
s->highspeed = 0;
s->align = (1 << (s->fmt_stereo + (s->fmt_bits == 16))) - 1;
- if (s->block_size & s->align)
- dolog ("warning: unaligned buffer\n");
+ if (s->block_size & s->align) {
+ dolog ("warning: misaligned block size %d, alignment %d\n",
+ s->block_size, s->align + 1);
+ }
- if (s->freq)
- s->voice = AUD_open (s->voice, "sb16", s->freq,
- 1 << s->fmt_stereo, s->fmt);
+ if (s->freq) {
+ struct audsettings as;
+
+ s->audio_free = 0;
+
+ as.freq = s->freq;
+ as.nchannels = 1 << s->fmt_stereo;
+ as.fmt = s->fmt;
+ as.endianness = 0;
+
+ s->voice = AUD_open_out (
+ &s->card,
+ s->voice,
+ "sb16",
+ s,
+ SB_audio_callback,
+ &as
+ );
+ }
control (s, 1);
speaker (s, 1);
static inline void dsp_out_data (SB16State *s, uint8_t val)
{
ldebug ("outdata %#x\n", val);
- if (s->out_data_len < sizeof (s->out_data))
+ if ((size_t) s->out_data_len < sizeof (s->out_data)) {
s->out_data[s->out_data_len++] = val;
+ }
}
static inline uint8_t dsp_get_data (SB16State *s)
{
- if (s->in_index)
+ if (s->in_index) {
return s->in2_data[--s->in_index];
+ }
else {
dolog ("buffer underflow\n");
return 0;
s->needed_bytes = 3;
}
else {
+ s->needed_bytes = 0;
+
switch (cmd) {
case 0x03:
dsp_out_data (s, 0x10); /* s->csp_param); */
break;
case 0x1c: /* Auto-Initialize DMA DAC, 8-bit */
- control (s, 1);
+ dma_cmd8 (s, DMA8_AUTO, -1);
break;
case 0x20: /* Direct ADC, Juice/PL */
goto warn;
case 0x35:
- dolog ("MIDI command(0x35) not implemented\n");
+ dolog ("0x35 - MIDI command not implemented\n");
break;
case 0x40:
s->needed_bytes = 2;
break;
+ case 0x74:
+ s->needed_bytes = 2; /* DMA DAC, 4-bit ADPCM */
+ dolog ("0x75 - DMA DAC, 4-bit ADPCM not implemented\n");
+ break;
+
+ case 0x75: /* DMA DAC, 4-bit ADPCM Reference */
+ s->needed_bytes = 2;
+ dolog ("0x74 - DMA DAC, 4-bit ADPCM Reference not implemented\n");
+ break;
+
+ case 0x76: /* DMA DAC, 2.6-bit ADPCM */
+ s->needed_bytes = 2;
+ dolog ("0x74 - DMA DAC, 2.6-bit ADPCM not implemented\n");
+ break;
+
+ case 0x77: /* DMA DAC, 2.6-bit ADPCM Reference */
+ s->needed_bytes = 2;
+ dolog ("0x74 - DMA DAC, 2.6-bit ADPCM Reference not implemented\n");
+ break;
+
+ case 0x7d:
+ dolog ("0x7d - Autio-Initialize DMA DAC, 4-bit ADPCM Reference\n");
+ dolog ("not implemented\n");
+ break;
+
+ case 0x7f:
+ dolog (
+ "0x7d - Autio-Initialize DMA DAC, 2.6-bit ADPCM Reference\n"
+ );
+ dolog ("not implemented\n");
+ break;
+
case 0x80:
s->needed_bytes = 2;
break;
break;
case 0xd4: /* continue DMA operation. 8bit */
- control (s, 1);
+ /* KQ6 (or maybe Sierras audblst.drv in general) resets
+ the frequency between halt/continue */
+ continue_dma8 (s);
break;
case 0xd5: /* halt DMA operation. 16bit */
s->dma_auto = 0;
break;
- case 0xe0:
+ case 0xe0: /* DSP identification */
s->needed_bytes = 1;
- goto warn;
+ break;
case 0xe1:
dsp_out_data (s, s->ver & 0xff);
case 0xe7:
dolog ("Attempt to probe for ESS (0xe7)?\n");
- return;
+ break;
case 0xe8: /* read test reg */
dsp_out_data (s, s->test_reg);
case 0xf3:
dsp_out_data (s, 0xaa);
s->mixer_regs[0x82] |= (cmd == 0xf2) ? 1 : 2;
- pic_set_irq (s->irq, 1);
+ qemu_irq_raise (s->pic);
break;
case 0xf9:
goto warn;
default:
- dolog ("unrecognized command %#x\n", cmd);
- return;
+ dolog ("Unrecognized command %#x\n", cmd);
+ break;
}
}
- s->cmd = cmd;
- if (!s->needed_bytes)
+ if (!s->needed_bytes) {
ldebug ("\n");
+ }
+
+ exit:
+ if (!s->needed_bytes) {
+ s->cmd = -1;
+ }
+ else {
+ s->cmd = cmd;
+ }
return;
warn:
dolog ("warning: command %#x,%d is not truly understood yet\n",
cmd, s->needed_bytes);
- s->cmd = cmd;
- return;
+ goto exit;
+
}
static uint16_t dsp_get_lohi (SB16State *s)
s->csp_reg83[s->csp_reg83r % 4] = d0;
s->csp_reg83r += 1;
}
- else
+ else {
s->csp_regs[d1] = d0;
+ }
break;
case 0x0f:
dsp_out_data (s, s->csp_reg83[s->csp_reg83w % 4]);
s->csp_reg83w += 1;
}
- else
+ else {
dsp_out_data (s, s->csp_regs[d0]);
+ }
break;
case 0x10:
break;
case 0x42: /* FT2 sets output freq with this, go figure */
+#if 0
dolog ("cmd 0x42 might not do what it think it should\n");
-
+#endif
case 0x41:
s->freq = dsp_get_hilo (s);
ldebug ("set freq %d\n", s->freq);
ldebug ("set dma block len %d\n", s->block_size);
break;
+ case 0x74:
+ case 0x75:
+ case 0x76:
+ case 0x77:
+ /* ADPCM stuff, ignore */
+ break;
+
case 0x80:
{
int freq, samples, bytes;
freq = s->freq > 0 ? s->freq : 11025;
samples = dsp_get_lohi (s) + 1;
bytes = samples << s->fmt_stereo << (s->fmt_bits == 16);
- ticks = (bytes * ticks_per_sec) / freq;
- if (ticks < ticks_per_sec / 1024)
- pic_set_irq (s->irq, 1);
- else
- qemu_mod_timer (s->aux_ts, qemu_get_clock (vm_clock) + ticks);
- ldebug ("mix silence %d %d %lld\n", samples, bytes, ticks);
+ ticks = muldiv64 (bytes, get_ticks_per_sec (), freq);
+ if (ticks < get_ticks_per_sec () / 1024) {
+ qemu_irq_raise (s->pic);
+ }
+ else {
+ if (s->aux_ts) {
+ qemu_mod_timer (
+ s->aux_ts,
+ qemu_get_clock (vm_clock) + ticks
+ );
+ }
+ }
+ ldebug ("mix silence %d %d %" PRId64 "\n", samples, bytes, ticks);
}
break;
d0 = dsp_get_data (s);
s->out_data_len = 0;
ldebug ("E0 data = %#x\n", d0);
- dsp_out_data(s, ~d0);
+ dsp_out_data (s, ~d0);
break;
case 0xe2:
return;
}
+static void legacy_reset (SB16State *s)
+{
+ struct audsettings as;
+
+ s->freq = 11025;
+ s->fmt_signed = 0;
+ s->fmt_bits = 8;
+ s->fmt_stereo = 0;
+
+ as.freq = s->freq;
+ as.nchannels = 1;
+ as.fmt = AUD_FMT_U8;
+ as.endianness = 0;
+
+ s->voice = AUD_open_out (
+ &s->card,
+ s->voice,
+ "sb16",
+ s,
+ SB_audio_callback,
+ &as
+ );
+
+ /* Not sure about that... */
+ /* AUD_set_active_out (s->voice, 1); */
+}
+
static void reset (SB16State *s)
{
- pic_set_irq (s->irq, 0);
+ qemu_irq_lower (s->pic);
if (s->dma_auto) {
- pic_set_irq (s->irq, 1);
- pic_set_irq (s->irq, 0);
+ qemu_irq_raise (s->pic);
+ qemu_irq_lower (s->pic);
}
s->mixer_regs[0x82] = 0;
s->nzero = 0;
s->highspeed = 0;
s->v2x6 = 0;
+ s->cmd = -1;
- dsp_out_data(s, 0xaa);
+ dsp_out_data (s, 0xaa);
speaker (s, 0);
control (s, 0);
+ legacy_reset (s);
}
static IO_WRITE_PROTO (dsp_write)
switch (val) {
case 0x00:
if (s->v2x6 == 1) {
- if (0 && s->highspeed) {
- s->highspeed = 0;
- pic_set_irq (s->irq, 0);
- control (s, 0);
- }
- else
- reset (s);
+ reset (s);
}
s->v2x6 = 0;
break;
s->last_read_byte = retval;
}
else {
- dolog ("empty output buffer\n");
+ if (s->cmd != -1) {
+ dolog ("empty output buffer for command %#x\n",
+ s->cmd);
+ }
retval = s->last_read_byte;
/* goto error; */
}
if (s->mixer_regs[0x82] & 1) {
ack = 1;
s->mixer_regs[0x82] &= 1;
- pic_set_irq (s->irq, 0);
+ qemu_irq_lower (s->pic);
}
break;
if (s->mixer_regs[0x82] & 2) {
ack = 1;
s->mixer_regs[0x82] &= 2;
- pic_set_irq (s->irq, 0);
+ qemu_irq_lower (s->pic);
}
break;
goto error;
}
- if (!ack)
+ if (!ack) {
ldebug ("read %#x -> %#x\n", nport, retval);
+ }
return retval;
error:
- dolog ("WARNING dsp_read %#x error\n", nport);
+ dolog ("warning: dsp_read %#x error\n", nport);
return 0xff;
}
}
}
-static IO_WRITE_PROTO(mixer_write_indexb)
+static IO_WRITE_PROTO (mixer_write_indexb)
{
SB16State *s = opaque;
+ (void) nport;
s->mixer_nreg = val;
}
-static IO_WRITE_PROTO(mixer_write_datab)
+static IO_WRITE_PROTO (mixer_write_datab)
{
SB16State *s = opaque;
+ (void) nport;
ldebug ("mixer_write [%#x] <- %#x\n", s->mixer_nreg, val);
- if (s->mixer_nreg > sizeof (s->mixer_regs))
- return;
switch (s->mixer_nreg) {
case 0x00:
{
int irq = irq_of_magic (val);
ldebug ("setting irq to %d (val=%#x)\n", irq, val);
- if (irq > 0)
+ if (irq > 0) {
s->irq = irq;
+ }
}
break;
{
int dma, hdma;
- dma = lsbindex (val & 0xf);
- hdma = lsbindex (val & 0xf0);
- dolog ("attempt to set DMA register 8bit %d, 16bit %d (val=%#x)\n",
- dma, hdma, val);
+ dma = ctz32 (val & 0xf);
+ hdma = ctz32 (val & 0xf0);
+ if (dma != s->dma || hdma != s->hdma) {
+ dolog (
+ "attempt to change DMA "
+ "8bit %d(%d), 16bit %d(%d) (val=%#x)\n",
+ dma, s->dma, hdma, s->hdma, val);
+ }
#if 0
s->dma = dma;
s->hdma = hdma;
return;
default:
- if (s->mixer_nreg >= 0x80)
- dolog ("attempt to write mixer[%#x] <- %#x\n", s->mixer_nreg, val);
+ if (s->mixer_nreg >= 0x80) {
+ ldebug ("attempt to write mixer[%#x] <- %#x\n", s->mixer_nreg, val);
+ }
break;
}
s->mixer_regs[s->mixer_nreg] = val;
}
-static IO_WRITE_PROTO(mixer_write_indexw)
+static IO_WRITE_PROTO (mixer_write_indexw)
{
mixer_write_indexb (opaque, nport, val & 0xff);
mixer_write_datab (opaque, nport, (val >> 8) & 0xff);
}
-static IO_READ_PROTO(mixer_read)
+static IO_READ_PROTO (mixer_read)
{
SB16State *s = opaque;
+
+ (void) nport;
#ifndef DEBUG_SB16_MOST
- if (s->mixer_nreg != 0x82)
-#endif
+ if (s->mixer_nreg != 0x82) {
+ ldebug ("mixer_read[%#x] -> %#x\n",
+ s->mixer_nreg, s->mixer_regs[s->mixer_nreg]);
+ }
+#else
ldebug ("mixer_read[%#x] -> %#x\n",
s->mixer_nreg, s->mixer_regs[s->mixer_nreg]);
+#endif
return s->mixer_regs[s->mixer_nreg];
}
while (temp) {
int left = dma_len - dma_pos;
- int to_copy, copied;
+ int copied;
+ size_t to_copy;
to_copy = audio_MIN (temp, left);
- if (to_copy > sizeof(tmpbuf))
- to_copy = sizeof(tmpbuf);
+ if (to_copy > sizeof (tmpbuf)) {
+ to_copy = sizeof (tmpbuf);
+ }
copied = DMA_read_memory (nchan, tmpbuf, dma_pos, to_copy);
copied = AUD_write (s->voice, tmpbuf, copied);
dma_pos = (dma_pos + copied) % dma_len;
net += copied;
- if (!copied)
+ if (!copied) {
break;
+ }
}
return net;
static int SB_read_DMA (void *opaque, int nchan, int dma_pos, int dma_len)
{
SB16State *s = opaque;
- int free, rfree, till, copy, written, elapsed;
+ int till, copy, written, free;
+
+ if (s->block_size <= 0) {
+ dolog ("invalid block size=%d nchan=%d dma_pos=%d dma_len=%d\n",
+ s->block_size, nchan, dma_pos, dma_len);
+ return dma_pos;
+ }
if (s->left_till_irq < 0) {
s->left_till_irq = s->block_size;
}
- elapsed = AUD_calc_elapsed (s->voice);
- free = elapsed;/* AUD_get_free (s->voice); */
- rfree = free;
- free = audio_MIN (free, elapsed) & ~s->align;
-
- if ((free <= 0) || !dma_len) {
- return dma_pos;
+ if (s->voice) {
+ free = s->audio_free & ~s->align;
+ if ((free <= 0) || !dma_len) {
+ return dma_pos;
+ }
+ }
+ else {
+ free = dma_len;
}
copy = free;
till = s->left_till_irq;
#ifdef DEBUG_SB16_MOST
- dolog ("pos:%06d free:%d,%d till:%d len:%d\n",
- dma_pos, free, AUD_get_free (s->voice), till, dma_len);
+ dolog ("pos:%06d %d till:%d len:%d\n",
+ dma_pos, free, till, dma_len);
#endif
if (till <= copy) {
if (s->left_till_irq <= 0) {
s->mixer_regs[0x82] |= (nchan & 4) ? 2 : 1;
- pic_set_irq (s->irq, 1);
+ qemu_irq_raise (s->pic);
if (0 == s->dma_auto) {
control (s, 0);
speaker (s, 0);
s->left_till_irq = s->block_size + s->left_till_irq;
}
- AUD_adjust (s->voice, written);
return dma_pos;
}
-void SB_timer (void *opaque)
+static void SB_audio_callback (void *opaque, int free)
{
SB16State *s = opaque;
- AUD_run ();
- qemu_mod_timer (s->ts, qemu_get_clock (vm_clock) + 1);
+ s->audio_free = free;
}
-static void SB_save (QEMUFile *f, void *opaque)
+static int sb16_post_load (void *opaque, int version_id)
{
SB16State *s = opaque;
- qemu_put_be32s (f, &s->irq);
- qemu_put_be32s (f, &s->dma);
- qemu_put_be32s (f, &s->hdma);
- qemu_put_be32s (f, &s->port);
- qemu_put_be32s (f, &s->ver);
- qemu_put_be32s (f, &s->in_index);
- qemu_put_be32s (f, &s->out_data_len);
- qemu_put_be32s (f, &s->fmt_stereo);
- qemu_put_be32s (f, &s->fmt_signed);
- qemu_put_be32s (f, &s->fmt_bits);
- qemu_put_be32s (f, &s->fmt);
- qemu_put_be32s (f, &s->dma_auto);
- qemu_put_be32s (f, &s->block_size);
- qemu_put_be32s (f, &s->fifo);
- qemu_put_be32s (f, &s->freq);
- qemu_put_be32s (f, &s->time_const);
- qemu_put_be32s (f, &s->speaker);
- qemu_put_be32s (f, &s->needed_bytes);
- qemu_put_be32s (f, &s->cmd);
- qemu_put_be32s (f, &s->use_hdma);
- qemu_put_be32s (f, &s->highspeed);
- qemu_put_be32s (f, &s->can_write);
- qemu_put_be32s (f, &s->v2x6);
-
- qemu_put_8s (f, &s->csp_param);
- qemu_put_8s (f, &s->csp_value);
- qemu_put_8s (f, &s->csp_mode);
- qemu_put_8s (f, &s->csp_param);
- qemu_put_buffer (f, s->csp_regs, 256);
- qemu_put_8s (f, &s->csp_index);
- qemu_put_buffer (f, s->csp_reg83, 4);
- qemu_put_be32s (f, &s->csp_reg83r);
- qemu_put_be32s (f, &s->csp_reg83w);
-
- qemu_put_buffer (f, s->in2_data, sizeof (s->in2_data));
- qemu_put_buffer (f, s->out_data, sizeof (s->out_data));
- qemu_put_8s (f, &s->test_reg);
- qemu_put_8s (f, &s->last_read_byte);
-
- qemu_put_be32s (f, &s->nzero);
- qemu_put_be32s (f, &s->left_till_irq);
- qemu_put_be32s (f, &s->dma_running);
- qemu_put_be32s (f, &s->bytes_per_second);
- qemu_put_be32s (f, &s->align);
-
- qemu_put_be32s (f, &s->mixer_nreg);
- qemu_put_buffer (f, s->mixer_regs, 256);
-}
-
-static int SB_load (QEMUFile *f, void *opaque, int version_id)
-{
- SB16State *s = opaque;
-
- if (version_id != 1)
- return -EINVAL;
-
- qemu_get_be32s (f, &s->irq);
- qemu_get_be32s (f, &s->dma);
- qemu_get_be32s (f, &s->hdma);
- qemu_get_be32s (f, &s->port);
- qemu_get_be32s (f, &s->ver);
- qemu_get_be32s (f, &s->in_index);
- qemu_get_be32s (f, &s->out_data_len);
- qemu_get_be32s (f, &s->fmt_stereo);
- qemu_get_be32s (f, &s->fmt_signed);
- qemu_get_be32s (f, &s->fmt_bits);
- qemu_get_be32s (f, &s->fmt);
- qemu_get_be32s (f, &s->dma_auto);
- qemu_get_be32s (f, &s->block_size);
- qemu_get_be32s (f, &s->fifo);
- qemu_get_be32s (f, &s->freq);
- qemu_get_be32s (f, &s->time_const);
- qemu_get_be32s (f, &s->speaker);
- qemu_get_be32s (f, &s->needed_bytes);
- qemu_get_be32s (f, &s->cmd);
- qemu_get_be32s (f, &s->use_hdma);
- qemu_get_be32s (f, &s->highspeed);
- qemu_get_be32s (f, &s->can_write);
- qemu_get_be32s (f, &s->v2x6);
-
- qemu_get_8s (f, &s->csp_param);
- qemu_get_8s (f, &s->csp_value);
- qemu_get_8s (f, &s->csp_mode);
- qemu_get_8s (f, &s->csp_param);
- qemu_get_buffer (f, s->csp_regs, 256);
- qemu_get_8s (f, &s->csp_index);
- qemu_get_buffer (f, s->csp_reg83, 4);
- qemu_get_be32s (f, &s->csp_reg83r);
- qemu_get_be32s (f, &s->csp_reg83w);
-
- qemu_get_buffer (f, s->in2_data, sizeof (s->in2_data));
- qemu_get_buffer (f, s->out_data, sizeof (s->out_data));
- qemu_get_8s (f, &s->test_reg);
- qemu_get_8s (f, &s->last_read_byte);
-
- qemu_get_be32s (f, &s->nzero);
- qemu_get_be32s (f, &s->left_till_irq);
- qemu_get_be32s (f, &s->dma_running);
- qemu_get_be32s (f, &s->bytes_per_second);
- qemu_get_be32s (f, &s->align);
-
- qemu_get_be32s (f, &s->mixer_nreg);
- qemu_get_buffer (f, s->mixer_regs, 256);
-
if (s->voice) {
- AUD_close (s->voice);
+ AUD_close_out (&s->card, s->voice);
s->voice = NULL;
}
if (s->dma_running) {
- if (s->freq)
- s->voice = AUD_open (s->voice, "sb16", s->freq,
- 1 << s->fmt_stereo, s->fmt);
+ if (s->freq) {
+ struct audsettings as;
+
+ s->audio_free = 0;
+
+ as.freq = s->freq;
+ as.nchannels = 1 << s->fmt_stereo;
+ as.fmt = s->fmt;
+ as.endianness = 0;
+
+ s->voice = AUD_open_out (
+ &s->card,
+ s->voice,
+ "sb16",
+ s,
+ SB_audio_callback,
+ &as
+ );
+ }
control (s, 1);
speaker (s, s->speaker);
return 0;
}
-void SB16_init (void)
+static const VMStateDescription vmstate_sb16 = {
+ .name = "sb16",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .post_load = sb16_post_load,
+ .fields = (VMStateField []) {
+ VMSTATE_UINT32(irq, SB16State),
+ VMSTATE_UINT32(dma, SB16State),
+ VMSTATE_UINT32(hdma, SB16State),
+ VMSTATE_UINT32(port, SB16State),
+ VMSTATE_UINT32(ver, SB16State),
+ VMSTATE_INT32(in_index, SB16State),
+ VMSTATE_INT32(out_data_len, SB16State),
+ VMSTATE_INT32(fmt_stereo, SB16State),
+ VMSTATE_INT32(fmt_signed, SB16State),
+ VMSTATE_INT32(fmt_bits, SB16State),
+ VMSTATE_UINT32(fmt, SB16State),
+ VMSTATE_INT32(dma_auto, SB16State),
+ VMSTATE_INT32(block_size, SB16State),
+ VMSTATE_INT32(fifo, SB16State),
+ VMSTATE_INT32(freq, SB16State),
+ VMSTATE_INT32(time_const, SB16State),
+ VMSTATE_INT32(speaker, SB16State),
+ VMSTATE_INT32(needed_bytes, SB16State),
+ VMSTATE_INT32(cmd, SB16State),
+ VMSTATE_INT32(use_hdma, SB16State),
+ VMSTATE_INT32(highspeed, SB16State),
+ VMSTATE_INT32(can_write, SB16State),
+ VMSTATE_INT32(v2x6, SB16State),
+
+ VMSTATE_UINT8(csp_param, SB16State),
+ VMSTATE_UINT8(csp_value, SB16State),
+ VMSTATE_UINT8(csp_mode, SB16State),
+ VMSTATE_UINT8(csp_param, SB16State),
+ VMSTATE_BUFFER(csp_regs, SB16State),
+ VMSTATE_UINT8(csp_index, SB16State),
+ VMSTATE_BUFFER(csp_reg83, SB16State),
+ VMSTATE_INT32(csp_reg83r, SB16State),
+ VMSTATE_INT32(csp_reg83w, SB16State),
+
+ VMSTATE_BUFFER(in2_data, SB16State),
+ VMSTATE_BUFFER(out_data, SB16State),
+ VMSTATE_UINT8(test_reg, SB16State),
+ VMSTATE_UINT8(last_read_byte, SB16State),
+
+ VMSTATE_INT32(nzero, SB16State),
+ VMSTATE_INT32(left_till_irq, SB16State),
+ VMSTATE_INT32(dma_running, SB16State),
+ VMSTATE_INT32(bytes_per_second, SB16State),
+ VMSTATE_INT32(align, SB16State),
+
+ VMSTATE_INT32(mixer_nreg, SB16State),
+ VMSTATE_BUFFER(mixer_regs, SB16State),
+
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static int sb16_initfn (ISADevice *dev)
{
- SB16State *s = &dsp;
- int i;
static const uint8_t dsp_write_ports[] = {0x6, 0xc};
static const uint8_t dsp_read_ports[] = {0x6, 0xa, 0xc, 0xd, 0xe, 0xf};
+ SB16State *s;
+ int i;
- s->ts = qemu_new_timer (vm_clock, SB_timer, s);
- if (!s->ts)
- return;
+ s = DO_UPCAST (SB16State, dev, dev);
- s->irq = conf.irq;
- s->dma = conf.dma;
- s->hdma = conf.hdma;
- s->port = conf.port;
- s->ver = conf.ver_lo | (conf.ver_hi << 8);
+ s->cmd = -1;
+ isa_init_irq (dev, &s->pic, s->irq);
s->mixer_regs[0x80] = magic_of_irq (s->irq);
s->mixer_regs[0x81] = (1 << s->dma) | (1 << s->hdma);
reset_mixer (s);
s->aux_ts = qemu_new_timer (vm_clock, aux_timer, s);
- if (!s->aux_ts)
- return;
+ if (!s->aux_ts) {
+ dolog ("warning: Could not create auxiliary timer\n");
+ }
- for (i = 0; i < LENOFA (dsp_write_ports); i++) {
+ for (i = 0; i < ARRAY_SIZE (dsp_write_ports); i++) {
register_ioport_write (s->port + dsp_write_ports[i], 1, 1, dsp_write, s);
}
- for (i = 0; i < LENOFA (dsp_read_ports); i++) {
+ for (i = 0; i < ARRAY_SIZE (dsp_read_ports); i++) {
register_ioport_read (s->port + dsp_read_ports[i], 1, 1, dsp_read, s);
}
DMA_register_channel (s->dma, SB_read_DMA, s);
s->can_write = 1;
- qemu_mod_timer (s->ts, qemu_get_clock (vm_clock) + 1);
- register_savevm ("sb16", 0, 1, SB_save, SB_load, s);
+ AUD_register_card ("sb16", &s->card);
+ return 0;
+}
+
+int SB16_init (qemu_irq *pic)
+{
+ isa_create_simple ("sb16");
+ return 0;
+}
+
+static ISADeviceInfo sb16_info = {
+ .qdev.name = "sb16",
+ .qdev.desc = "Creative Sound Blaster 16",
+ .qdev.size = sizeof (SB16State),
+ .qdev.vmsd = &vmstate_sb16,
+ .init = sb16_initfn,
+ .qdev.props = (Property[]) {
+ DEFINE_PROP_HEX32 ("version", SB16State, ver, 0x0405), /* 4.5 */
+ DEFINE_PROP_HEX32 ("iobase", SB16State, port, 0x220),
+ DEFINE_PROP_UINT32 ("irq", SB16State, irq, 5),
+ DEFINE_PROP_UINT32 ("dma", SB16State, dma, 1),
+ DEFINE_PROP_UINT32 ("dma16", SB16State, hdma, 5),
+ DEFINE_PROP_END_OF_LIST (),
+ },
+};
+
+static void sb16_register (void)
+{
+ isa_qdev_register (&sb16_info);
}
+device_init (sb16_register)
projects / qemu.git / blobdiff