Revision bc0b1dc1 hw/sb16.c
| b/hw/sb16.c | ||
|---|---|---|
| 37 | 37 |
abort (); \ |
| 38 | 38 |
} while (0) |
| 39 | 39 |
|
| 40 |
/* #define DEBUG_SB16 */ |
|
| 40 | 41 |
#ifdef DEBUG_SB16 |
| 41 | 42 |
#define lwarn(...) fprintf (stderr, "sb16: " __VA_ARGS__) |
| 42 | 43 |
#define linfo(...) fprintf (stderr, "sb16: " __VA_ARGS__) |
| ... | ... | |
| 60 | 61 |
int hdma; |
| 61 | 62 |
int port; |
| 62 | 63 |
int mix_block; |
| 63 |
} sb = {4, 5, 5, 1, 5, 0x220, -1};
|
|
| 64 |
} sb = {5, 4, 5, 1, 5, 0x220, -1};
|
|
| 64 | 65 |
|
| 65 | 66 |
static int mix_block, noirq; |
| 66 | 67 |
|
| ... | ... | |
| 205 | 206 |
{
|
| 206 | 207 |
char *msg; |
| 207 | 208 |
|
| 208 |
msg = (char *)-1; |
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| 209 |
msg = (char *) -1;
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|
| 209 | 210 |
|
| 210 | 211 |
linfo ("%#x\n", cmd);
|
| 211 | 212 |
|
| ... | ... | |
| 225 | 226 |
} |
| 226 | 227 |
else {
|
| 227 | 228 |
switch (cmd) {
|
| 229 |
case 0x00: |
|
| 230 |
case 0x03: |
|
| 231 |
case 0xe7: |
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/* IMS uses those when probing for sound devices */ |
|
| 233 |
return; |
|
| 234 |
|
|
| 228 | 235 |
case 0x10: |
| 229 | 236 |
dsp.needed_bytes = 1; |
| 230 | 237 |
break; |
| ... | ... | |
| 328 | 335 |
|
| 329 | 336 |
case 0xf2: |
| 330 | 337 |
dsp.out_data[dsp.out_data_len++] = 0xaa; |
| 331 |
mixer.regs[0x82] |= 1;
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|
| 338 |
mixer.regs[0x82] |= mixer.regs[0x80];
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|
| 332 | 339 |
pic_set_irq (sb.irq, 1); |
| 333 | 340 |
return; |
| 334 | 341 |
|
| ... | ... | |
| 500 | 507 |
goto error; |
| 501 | 508 |
|
| 502 | 509 |
case 0xe: /* data available status | irq 8 ack */ |
| 510 |
/* XXX drop pic irq line here? */ |
|
| 511 |
ldebug ("8 ack\n");
|
|
| 503 | 512 |
retval = (0 == dsp.out_data_len) ? 0 : 0x80; |
| 513 |
mixer.regs[0x82] &= ~mixer.regs[0x80]; |
|
| 514 |
pic_set_irq (sb.irq, 0); |
|
| 504 | 515 |
break; |
| 505 | 516 |
|
| 506 | 517 |
case 0xf: /* irq 16 ack */ |
| 507 |
retval = 0xff; |
|
| 508 |
mixer.regs[0x82] &= ~2; |
|
| 518 |
/* XXX drop pic irq line here? */ |
|
| 509 | 519 |
ldebug ("16 ack\n");
|
| 520 |
retval = 0xff; |
|
| 521 |
mixer.regs[0x82] &= ~mixer.regs[0x80]; |
|
| 522 |
pic_set_irq (sb.irq, 0); |
|
| 510 | 523 |
break; |
| 511 | 524 |
|
| 512 | 525 |
default: |
| ... | ... | |
| 514 | 527 |
} |
| 515 | 528 |
|
| 516 | 529 |
if ((0xc != iport) && (0xe != iport)) {
|
| 517 |
ldebug ("(nport=%#x, size=%d) iport %#x = %#x\n",
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nport, size, iport, retval);
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| 530 |
ldebug ("nport=%#x iport %#x = %#x\n",
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| 531 |
nport, iport, retval); |
|
| 519 | 532 |
} |
| 520 | 533 |
|
| 521 | 534 |
return retval; |
| ... | ... | |
| 617 | 630 |
|
| 618 | 631 |
ldebug ("addr:%#010x free:%d till:%d size:%d\n",
|
| 619 | 632 |
addr, free, till, size); |
| 620 |
/* linfo ("pos %d free %d size %d till %d copy %d auto %d noirq %d\n", */
|
|
| 621 |
/* dsp.dma_pos, free, size, till, copy, dsp.dma_auto, noirq); */ |
|
| 622 | 633 |
if (till <= copy) {
|
| 623 | 634 |
if (0 == dsp.dma_auto) {
|
| 624 | 635 |
copy = till; |
| ... | ... | |
| 631 | 642 |
|
| 632 | 643 |
if (dsp.left_till_irq <= 0) {
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| 633 | 644 |
mixer.regs[0x82] |= mixer.regs[0x80]; |
| 634 |
if (0 == noirq) |
|
| 645 |
if (0 == noirq) {
|
|
| 646 |
ldebug ("request irq\n");
|
|
| 635 | 647 |
*_irq = sb.irq; |
| 648 |
} |
|
| 636 | 649 |
|
| 637 | 650 |
if (0 == dsp.dma_auto) {
|
| 638 | 651 |
control (0); |
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