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SDL Audio support and SB16 fixes (malc)

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1108 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-10-09 17:20:54 +00:00
parent 769bec7271
commit d75d9f6be9
3 changed files with 882 additions and 255 deletions
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1
Changelog
View File

@ -26,6 +26,7 @@ version 0.6.1:
- BIOS floppy fix for NT4 (Mike Nordell, Derek Fawcus, Volker Ruppert)
- Floppy fixes for NT4 and NT5 (Mike Nordell)
- NT4 IDE fixes (Ben Pfaf, Mike Nordell)
- SDL Audio support and SB16 fixes (malc)
version 0.6.0:

365
hw/sb16.c
View File

@ -26,12 +26,10 @@
#define MIN(a, b) ((a)>(b)?(b):(a))
#define LENOFA(a) ((int) (sizeof(a)/sizeof(a[0])))
#define log(...) do { \
fprintf (stderr, "sb16: " __VA_ARGS__); \
fputc ('\n', stderr); \
} while (0)
#define dolog(...) fprintf (stderr, "sb16: " __VA_ARGS__);
/* #define DEBUG_SB16 */
#ifdef DEBUG_SB16
#define lwarn(...) fprintf (stderr, "sb16: " __VA_ARGS__)
#define linfo(...) fprintf (stderr, "sb16: " __VA_ARGS__)
@ -47,7 +45,10 @@
#define IO_WRITE_PROTO(name) \
void name (void *opaque, uint32_t nport, uint32_t val)
static const char e3[] = "COPYRIGHT (C) CREATIVE TECHNOLOGY LTD, 1992.";
static const char e3[] =
"COPYRIGHT (C) CREATIVE TECHNOLOGY LTD, 1992\0"
"COPYRIGHT (C) CREATIVE TECHNOLOGY LTD, 1994-1997";
/* "COPYRIGHT (C) CREATIVE TECHNOLOGY LTD, 1994."; */
static struct {
int ver_lo;
@ -80,10 +81,13 @@ typedef struct SB16State {
int v2x6;
uint8_t in_data[10];
uint8_t out_data[50];
uint8_t in2_data[10];
uint8_t out_data[1024];
int left_till_irq;
uint64_t nzero;
uint8_t last_read_byte;
uint8_t test_reg;
/* mixer state */
int mixer_nreg;
@ -95,7 +99,7 @@ static struct SB16State dsp;
static void log_dsp (SB16State *dsp)
{
linfo ("%c:%c:%d:%c:dmabuf=%d:pos=%d:freq=%d:timeconst=%d:speaker=%d\n",
ldebug ("%c:%c:%d:%c:dmabuf=%d:pos=%d:freq=%d:timeconst=%d:speaker=%d\n",
dsp->fmt_stereo ? 'S' : 'M',
dsp->fmt_signed ? 'S' : 'U',
dsp->fmt_bits,
@ -191,6 +195,7 @@ static void dma_cmd (uint8_t cmd, uint8_t d0, int dma_len)
mix_block = ((dsp.freq * align) / 100) & ~(align - 1);
}
if (dsp.freq)
AUD_reset (dsp.freq, 1 << dsp.fmt_stereo, fmt);
control (1);
dsp.speaker = 1;
@ -202,9 +207,17 @@ static inline void dsp_out_data(SB16State *dsp, int val)
dsp->out_data[dsp->out_data_len++] = val;
}
static inline uint8_t dsp_get_data(SB16State *dsp)
{
if (dsp->in_index)
return dsp->in2_data[--dsp->in_index];
else
return 0;
}
static void command (SB16State *dsp, uint8_t cmd)
{
linfo ("%#x\n", cmd);
linfo ("command: %#x\n", cmd);
if (cmd > 0xaf && cmd < 0xd0) {
if (cmd & 8)
@ -215,7 +228,7 @@ static void command (SB16State *dsp, uint8_t cmd)
case 12:
break;
default:
log("%#x wrong bits", cmd);
dolog ("command: %#x wrong bits specification\n", cmd);
goto error;
}
dsp->needed_bytes = 3;
@ -223,23 +236,25 @@ static void command (SB16State *dsp, uint8_t cmd)
else {
switch (cmd) {
case 0x00:
case 0x03:
case 0xe7:
/* IMS uses those when probing for sound devices */
return;
case 0x03:
case 0x04:
dsp->needed_bytes = 1;
break;
dsp_out_data (dsp, 0);
return;
case 0x05:
dsp->needed_bytes = 2;
break;
case 0x0e:
dsp->needed_bytes = 2;
break;
case 0x0f:
dsp->needed_bytes = 1;
dsp_out_data (dsp, 0);
break;
case 0x10:
@ -272,6 +287,8 @@ static void command (SB16State *dsp, uint8_t cmd)
dsp->needed_bytes = 2;
break;
case 0x45:
dsp_out_data (dsp, 0xaa);
case 0x47: /* Continue Auto-Initialize DMA 16bit */
break;
@ -346,19 +363,39 @@ static void command (SB16State *dsp, uint8_t cmd)
case 0xe3:
{
int i;
for (i = sizeof (e3) - 1; i >= 0; --i)
for (i = sizeof (e3) - 1; i >= 0; i--)
dsp_out_data (dsp, e3[i]);
return;
}
case 0xe4: /* write test reg */
dsp->needed_bytes = 1;
break;
case 0xe8: /* read test reg */
dsp_out_data (dsp, dsp->test_reg);
break;
case 0xf2:
dsp_out_data(dsp, 0xaa);
dsp_out_data (dsp, 0xaa);
dsp->mixer_regs[0x82] |= dsp->mixer_regs[0x80];
pic_set_irq (sb.irq, 1);
return;
case 0xf9:
dsp->needed_bytes = 1;
break;
case 0xfa:
dsp_out_data (dsp, 0);
break;
case 0xfc: /* FIXME */
dsp_out_data (dsp, 0);
break;
default:
log("%#x is unknown", cmd);
dolog ("unrecognized command %#x\n", cmd);
goto error;
}
}
@ -371,15 +408,14 @@ static void command (SB16State *dsp, uint8_t cmd)
static void complete (SB16State *dsp)
{
int d0, d1, d2;
linfo ("complete command %#x, in_index %d, needed_bytes %d\n",
dsp->cmd, dsp->in_index, dsp->needed_bytes);
if (dsp->cmd > 0xaf && dsp->cmd < 0xd0) {
int d0, d1, d2;
d0 = dsp->in_data[0];
d1 = dsp->in_data[1];
d2 = dsp->in_data[2];
d2 = dsp_get_data (dsp);
d1 = dsp_get_data (dsp);
d0 = dsp_get_data (dsp);
ldebug ("d0 = %d, d1 = %d, d2 = %d\n",
d0, d1, d2);
@ -387,23 +423,29 @@ static void complete (SB16State *dsp)
}
else {
switch (dsp->cmd) {
case 0x05:
case 0x04:
case 0x0e:
case 0x0f:
case 0x10:
dsp_get_data (dsp);
break;
case 0x10:
case 0x0f:
d0 = dsp_get_data (dsp);
dsp_out_data (dsp, 0xf8);
break;
case 0x05:
case 0x0e:
dsp_get_data (dsp);
dsp_get_data (dsp);
break;
case 0x14:
{
int d0, d1;
int save_left;
int save_pos;
d0 = dsp->in_data[0];
d1 = dsp->in_data[1];
d1 = dsp_get_data (dsp);
d0 = dsp_get_data (dsp);
save_left = dsp->left_till_irq;
save_pos = dsp->dma_pos;
@ -417,35 +459,60 @@ static void complete (SB16State *dsp)
}
case 0x40:
dsp->time_const = dsp->in_data[0];
dsp->time_const = dsp_get_data (dsp);
linfo ("set time const %d\n", dsp->time_const);
break;
case 0x41:
case 0x42:
dsp->freq = dsp->in_data[1] + (dsp->in_data[0] << 8);
linfo ("set freq %#x, %#x = %d\n",
dsp->in_data[1], dsp->in_data[0], dsp->freq);
d1 = dsp_get_data (dsp);
d0 = dsp_get_data (dsp);
dsp->freq = d1 + (d0 << 8);
linfo ("set freq %#x, %#x = %d\n", d1, d0, dsp->freq);
break;
case 0x48:
dsp->dma_buffer_size = dsp->in_data[1] + (dsp->in_data[0] << 8);
d1 = dsp_get_data (dsp);
d0 = dsp_get_data (dsp);
dsp->dma_buffer_size = d1 + (d0 << 8);
linfo ("set dma len %#x, %#x = %d\n",
dsp->in_data[1], dsp->in_data[0], dsp->dma_buffer_size);
d1, d0, dsp->dma_buffer_size);
break;
case 0xe0:
d0 = dsp_get_data (dsp);
dsp->out_data_len = 0;
linfo ("data = %#x\n", dsp->in_data[0]);
dsp_out_data(dsp, dsp->in_data[0] ^ 0xff);
linfo ("data = %#x\n", d0);
dsp_out_data (dsp, d0 ^ 0xff);
break;
case 0xe4:
dsp->test_reg = dsp_get_data (dsp);
break;
case 0xf9:
d0 = dsp_get_data (dsp);
ldebug ("f9 <- %#x\n", d0);
switch (d0) {
case 0x0e: dsp_out_data (dsp, 0xff); break;
case 0x0f: dsp_out_data (dsp, 0x07); break;
case 0xf9: dsp_out_data (dsp, 0x00); break;
case 0x37:
dsp_out_data (dsp, 0x38); break;
default:
dsp_out_data (dsp, 0);
}
break;
default:
log ("unrecognized command %#x", dsp->cmd);
dolog ("complete: unrecognized command %#x\n", dsp->cmd);
return;
}
}
dsp->needed_bytes = 0;
dsp->cmd = -1;
return;
}
@ -457,7 +524,7 @@ static IO_WRITE_PROTO (dsp_write)
iport = nport - sb.port;
ldebug ("write %#x %#x\n", nport, iport);
ldebug ("dsp_write %#x <- %#x\n", nport, val);
switch (iport) {
case 0x6:
control (0);
@ -465,6 +532,14 @@ static IO_WRITE_PROTO (dsp_write)
dsp->v2x6 = 0;
else if ((1 == val) && (0 == dsp->v2x6)) {
dsp->v2x6 = 1;
dsp->dma_pos = 0;
dsp->dma_auto = 0;
dsp->in_index = 0;
dsp->out_data_len = 0;
dsp->left_till_irq = 0;
dsp->speaker = 0;
dsp->needed_bytes = 0;
pic_set_irq (sb.irq, 0);
dsp_out_data(dsp, 0xaa);
}
else
@ -479,18 +554,22 @@ static IO_WRITE_PROTO (dsp_write)
}
}
else {
dsp->in_data[dsp->in_index++] = val;
if (dsp->in_index == sizeof (dsp->in2_data)) {
dolog ("in data overrun\n");
}
else {
dsp->in2_data[dsp->in_index++] = val;
if (dsp->in_index == dsp->needed_bytes) {
dsp->needed_bytes = 0;
dsp->in_index = 0;
complete (dsp);
log_dsp (dsp);
}
}
}
break;
default:
log ("(nport=%#x, val=%#x)", nport, val);
dolog ("dsp_write (nport=%#x, val=%#x)\n", nport, val);
break;
}
}
@ -503,31 +582,36 @@ static IO_READ_PROTO (dsp_read)
iport = nport - sb.port;
switch (iport) {
case 0x6: /* reset */
return 0;
control (0);
retval = 0;
dsp->speaker = 0;
break;
case 0xa: /* read data */
if (dsp->out_data_len) {
retval = dsp->out_data[--dsp->out_data_len];
dsp->last_read_byte = retval;
} else {
log("empty output buffer");
goto error;
retval = dsp->last_read_byte;
dolog ("empty output buffer\n");
/* goto error; */
}
break;
case 0xc: /* 0 can write */
case 0xc: /* 0xxxxxxx can write */
retval = 0;
if (dsp->out_data_len == sizeof (dsp->out_data)) retval |= 0x80;
break;
case 0xd: /* timer interrupt clear */
log("timer interrupt clear");
dolog ("timer interrupt clear\n");
goto error;
case 0xe: /* data available status | irq 8 ack */
/* XXX drop pic irq line here? */
ldebug ("8 ack\n");
retval = (0 == dsp->out_data_len) ? 0 : 0x80;
/* ldebug ("8 ack\n"); */
retval = dsp->out_data_len ? 0x80 : 0;
dsp->mixer_regs[0x82] &= ~dsp->mixer_regs[0x80];
pic_set_irq (sb.irq, 0);
break;
@ -544,15 +628,30 @@ static IO_READ_PROTO (dsp_read)
goto error;
}
if ((0xc != iport) && (0xe != iport)) {
ldebug ("nport=%#x iport %#x = %#x\n",
if (0xe == iport) {
if (0 == retval) {
if (!dsp->nzero) {
ldebug ("dsp_read (nport=%#x iport %#x) = %#x, %lld\n",
nport, iport, retval, dsp->nzero);
}
dsp->nzero += 1;
}
else {
ldebug ("dsp_read (nport=%#x iport %#x) = %#x, %lld\n",
nport, iport, retval, dsp->nzero);
dsp->nzero = 0;
}
}
else {
ldebug ("dsp_read (nport=%#x iport %#x) = %#x\n",
nport, iport, retval);
}
return retval;
error:
return 0;
printf ("dsp_read error %#x\n", nport);
return 0xff;
}
static IO_WRITE_PROTO(mixer_write_indexb)
@ -564,12 +663,100 @@ static IO_WRITE_PROTO(mixer_write_indexb)
static IO_WRITE_PROTO(mixer_write_datab)
{
SB16State *dsp = opaque;
int i;
if (dsp->mixer_nreg > 0x83)
linfo ("mixer [%#x] <- %#x\n", dsp->mixer_nreg, val);
switch (dsp->mixer_nreg) {
case 0x00:
/* Bochs */
dsp->mixer_regs[0x04] = 0xcc;
dsp->mixer_regs[0x0a] = 0x00;
dsp->mixer_regs[0x22] = 0xcc;
dsp->mixer_regs[0x26] = 0xcc;
dsp->mixer_regs[0x28] = 0x00;
dsp->mixer_regs[0x2e] = 0x00;
dsp->mixer_regs[0x3c] = 0x1f;
dsp->mixer_regs[0x3d] = 0x15;
dsp->mixer_regs[0x3e] = 0x0b;
for (i = 0x30; i <= 0x35; i++)
dsp->mixer_regs[i] = 0xc0;
for (i = 0x36; i <= 0x3b; i++)
dsp->mixer_regs[i] = 0x00;
for (i = 0x3f; i <= 0x43; i++)
dsp->mixer_regs[i] = 0x00;
for (i = 0x44; i <= 0x47; i++)
dsp->mixer_regs[i] = 0x80;
for (i = 0x30; i < 0x48; i++) {
dsp->mixer_regs[i] = 0x20;
}
break;
case 0x04:
case 0x0a:
case 0x22:
case 0x26:
case 0x28:
case 0x2e:
case 0x30:
case 0x31:
case 0x32:
case 0x33:
case 0x34:
case 0x35:
case 0x36:
case 0x37:
case 0x38:
case 0x39:
case 0x3a:
case 0x3b:
case 0x3c:
case 0x3d:
case 0x3e:
case 0x3f:
case 0x40:
case 0x41:
case 0x42:
case 0x43:
case 0x44:
case 0x45:
case 0x46:
case 0x47:
case 0x80:
case 0x81:
break;
default:
return;
}
dsp->mixer_regs[dsp->mixer_nreg] = val;
}
static IO_WRITE_PROTO(mpu_write)
{
linfo ("mpu: %#x\n", val);
}
static IO_WRITE_PROTO(adlib_write)
{
linfo ("adlib: %#x\n", val);
}
static IO_READ_PROTO(mpu_read)
{
linfo ("mpu read: %#x\n", nport);
return 0x80;
}
static IO_READ_PROTO(adlib_read)
{
linfo ("adlib read: %#x\n", nport);
return 0;
}
static IO_WRITE_PROTO(mixer_write_indexw)
{
mixer_write_indexb (opaque, nport, val & 0xff);
@ -579,6 +766,7 @@ static IO_WRITE_PROTO(mixer_write_indexw)
static IO_READ_PROTO(mixer_read)
{
SB16State *dsp = opaque;
linfo ("mixer [%#x] -> %#x\n", dsp->mixer_nreg, dsp->mixer_regs[dsp->mixer_nreg]);
return dsp->mixer_regs[dsp->mixer_nreg];
}
@ -637,6 +825,8 @@ static int SB_read_DMA (void *opaque, target_ulong addr, int size)
return 0;
if (dsp->left_till_irq < 0) {
ldebug ("left_till_irq < 0, %d, pos %d \n",
dsp->left_till_irq, dsp->dma_buffer_size);
dsp->left_till_irq += dsp->dma_buffer_size;
return dsp->dma_pos;
}
@ -644,6 +834,7 @@ static int SB_read_DMA (void *opaque, target_ulong addr, int size)
free = AUD_get_free ();
if ((free <= 0) || (0 == size)) {
ldebug ("returning, since free = %d and size = %d\n", free, size);
return dsp->dma_pos;
}
@ -656,8 +847,11 @@ static int SB_read_DMA (void *opaque, target_ulong addr, int size)
till = dsp->left_till_irq;
#ifdef DEBUG_SB16_MOST
ldebug ("addr:%#010x free:%d till:%d size:%d\n",
addr, free, till, size);
#endif
if (till <= copy) {
if (0 == dsp->dma_auto) {
copy = till;
@ -671,7 +865,8 @@ static int SB_read_DMA (void *opaque, target_ulong addr, int size)
if (dsp->left_till_irq <= 0) {
dsp->mixer_regs[0x82] |= dsp->mixer_regs[0x80];
if (0 == noirq) {
ldebug ("request irq\n");
ldebug ("request irq pos %d, left %d\n",
dsp->dma_pos, dsp->left_till_irq);
pic_set_irq(sb.irq, 1);
}
@ -680,9 +875,11 @@ static int SB_read_DMA (void *opaque, target_ulong addr, int size)
}
}
#ifdef DEBUG_SB16_MOST
ldebug ("pos %5d free %5d size %5d till % 5d copy %5d dma size %5d\n",
dsp->dma_pos, free, size, dsp->left_till_irq, copy,
dsp->dma_buffer_size);
#endif
if (dsp->left_till_irq <= 0) {
dsp->left_till_irq += dsp->dma_buffer_size;
@ -703,7 +900,7 @@ static int magic_of_irq (int irq)
case 10:
return 8;
default:
log ("bad irq %d", irq);
dolog ("bad irq %d\n", irq);
return 2;
}
}
@ -721,12 +918,42 @@ static int irq_of_magic (int magic)
case 8:
return 10;
default:
log ("bad irq magic %d", magic);
dolog ("bad irq magic %d\n", magic);
return 2;
}
}
#endif
#ifdef SB16_TRAP_ALL
static IO_READ_PROTO (trap_read)
{
switch (nport) {
case 0x220:
return 0;
case 0x226:
case 0x22a:
case 0x22c:
case 0x22d:
case 0x22e:
case 0x22f:
return dsp_read (opaque, nport);
}
linfo ("trap_read: %#x\n", nport);
return 0xff;
}
static IO_WRITE_PROTO (trap_write)
{
switch (nport) {
case 0x226:
case 0x22c:
dsp_write (opaque, nport, val);
return;
}
linfo ("trap_write: %#x = %#x\n", nport, val);
}
#endif
void SB16_init (void)
{
SB16State *s = &dsp;
@ -736,13 +963,23 @@ void SB16_init (void)
memset(s->mixer_regs, 0xff, sizeof(s->mixer_regs));
s->mixer_regs[0x00] = 0;
s->mixer_regs[0x0e] = ~0;
s->mixer_regs[0x80] = magic_of_irq (sb.irq);
s->mixer_regs[0x81] = 0x20 | (sb.dma << 1);
s->mixer_regs[0x81] = 0x80 | 0x10 | (sb.dma << 1);
s->mixer_regs[0x82] = 0;
s->mixer_regs[0xfd] = 16; /* bochs */
s->mixer_regs[0xfe] = 6; /* bochs */
mixer_write_indexw (s, 0x224, 0);
for (i = 0x30; i < 0x48; i++) {
s->mixer_regs[i] = 0x20;
#ifdef SB16_TRAP_ALL
for (i = 0; i < 0x100; i++) {
if (i != 4 && i != 5) {
register_ioport_write (sb.port + i, 1, 1, trap_write, s);
register_ioport_read (sb.port + i, 1, 1, trap_read, s);
}
}
#else
for (i = 0; i < LENOFA (dsp_write_ports); i++) {
register_ioport_write (sb.port + dsp_write_ports[i], 1, 1, dsp_write, s);
@ -751,12 +988,20 @@ void SB16_init (void)
for (i = 0; i < LENOFA (dsp_read_ports); i++) {
register_ioport_read (sb.port + dsp_read_ports[i], 1, 1, dsp_read, s);
}
#endif
register_ioport_write (sb.port + 0x4, 1, 1, mixer_write_indexb, s);
register_ioport_write (sb.port + 0x4, 1, 2, mixer_write_indexw, s);
register_ioport_read (sb.port + 0x5, 1, 1, mixer_read, s);
register_ioport_write (sb.port + 0x5, 1, 1, mixer_write_datab, s);
for (i = 0; 4 < 4; i++) {
register_ioport_read (0x330 + i, 1, 1, mpu_read, s);
register_ioport_write (0x330 + i, 1, 1, mpu_write, s);
register_ioport_read (0x388 + i, 1, 1, adlib_read, s);
register_ioport_write (0x388 + i, 1, 1, adlib_write, s);
}
DMA_register_channel (sb.hdma, SB_read_DMA, s);
DMA_register_channel (sb.dma, SB_read_DMA, s);
}

771
oss.c
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