Lines Matching +full:- +full:s
4 * Copyright (c) 2003-2005 Vassili Karpov (malc)
30 #include "hw/qdev-properties.h"
33 #include "qemu/host-utils.h"
153 return -1; in irq_of_magic()
160 ldebug ("%s:%s:%d:%s:dmasize=%d:freq=%d:const=%d:speaker=%d\n",
161 dsp->fmt_stereo ? "Stereo" : "Mono",
162 dsp->fmt_signed ? "Signed" : "Unsigned",
163 dsp->fmt_bits,
164 dsp->dma_auto ? "Auto" : "Single",
165 dsp->block_size,
166 dsp->freq,
167 dsp->time_const,
168 dsp->speaker);
172 static void speaker (SB16State *s, int on) in speaker() argument
174 s->speaker = on; in speaker()
175 /* AUD_enable (s->voice, on); */ in speaker()
178 static void control (SB16State *s, int hold) in control() argument
180 int dma = s->use_hdma ? s->hdma : s->dma; in control()
181 IsaDma *isa_dma = s->use_hdma ? s->isa_hdma : s->isa_dma; in control()
183 s->dma_running = hold; in control()
185 ldebug ("hold %d high %d dma %d\n", hold, s->use_hdma, dma); in control()
188 k->hold_DREQ(isa_dma, dma); in control()
189 AUD_set_active_out (s->voice, 1); in control()
192 k->release_DREQ(isa_dma, dma); in control()
193 AUD_set_active_out (s->voice, 0); in control()
199 SB16State *s = opaque; in aux_timer() local
200 s->can_write = 1; in aux_timer()
201 qemu_irq_raise (s->pic); in aux_timer()
207 static void continue_dma8 (SB16State *s) in continue_dma8() argument
209 if (s->freq > 0) { in continue_dma8()
212 s->audio_free = 0; in continue_dma8()
214 as.freq = s->freq; in continue_dma8()
215 as.nchannels = 1 << s->fmt_stereo; in continue_dma8()
216 as.fmt = s->fmt; in continue_dma8()
219 s->voice = AUD_open_out ( in continue_dma8()
220 &s->card, in continue_dma8()
221 s->voice, in continue_dma8()
223 s, in continue_dma8()
229 control (s, 1); in continue_dma8()
249 static void dma_cmd8 (SB16State *s, int mask, int dma_len) in dma_cmd8() argument
251 s->fmt = AUDIO_FORMAT_U8; in dma_cmd8()
252 s->use_hdma = 0; in dma_cmd8()
253 s->fmt_bits = 8; in dma_cmd8()
254 s->fmt_signed = 0; in dma_cmd8()
255 s->fmt_stereo = (s->mixer_regs[0x0e] & 2) != 0; in dma_cmd8()
256 if (-1 == s->time_const) { in dma_cmd8()
257 if (s->freq <= 0) in dma_cmd8()
258 s->freq = 11025; in dma_cmd8()
261 int tmp = (256 - s->time_const); in dma_cmd8()
262 s->freq = (1000000 + (tmp / 2)) / tmp; in dma_cmd8()
264 s->freq = restrict_sampling_rate(s->freq); in dma_cmd8()
266 if (dma_len != -1) { in dma_cmd8()
267 s->block_size = dma_len << s->fmt_stereo; in dma_cmd8()
273 Act1 sets block size via command 0x48 and it's an odd number in dma_cmd8()
277 s->block_size &= ~s->fmt_stereo; in dma_cmd8()
280 s->freq >>= s->fmt_stereo; in dma_cmd8()
281 s->left_till_irq = s->block_size; in dma_cmd8()
282 s->bytes_per_second = (s->freq << s->fmt_stereo); in dma_cmd8()
283 /* s->highspeed = (mask & DMA8_HIGH) != 0; */ in dma_cmd8()
284 s->dma_auto = (mask & DMA8_AUTO) != 0; in dma_cmd8()
285 s->align = (1 << s->fmt_stereo) - 1; in dma_cmd8()
287 if (s->block_size & s->align) { in dma_cmd8()
289 " alignment %d\n", s->block_size, s->align + 1); in dma_cmd8()
294 s->freq, s->fmt_stereo, s->fmt_signed, s->fmt_bits, in dma_cmd8()
295 s->block_size, s->dma_auto, s->fifo, s->highspeed); in dma_cmd8()
297 continue_dma8 (s); in dma_cmd8()
298 speaker (s, 1); in dma_cmd8()
301 static void dma_cmd (SB16State *s, uint8_t cmd, uint8_t d0, int dma_len) in dma_cmd() argument
303 s->use_hdma = cmd < 0xc0; in dma_cmd()
304 s->fifo = (cmd >> 1) & 1; in dma_cmd()
305 s->dma_auto = (cmd >> 2) & 1; in dma_cmd()
306 s->fmt_signed = (d0 >> 4) & 1; in dma_cmd()
307 s->fmt_stereo = (d0 >> 5) & 1; in dma_cmd()
311 s->fmt_bits = 16; in dma_cmd()
315 s->fmt_bits = 8; in dma_cmd()
319 if (-1 != s->time_const) { in dma_cmd()
321 int tmp = 256 - s->time_const; in dma_cmd()
322 s->freq = (1000000 + (tmp / 2)) / tmp; in dma_cmd()
324 /* s->freq = 1000000 / ((255 - s->time_const) << s->fmt_stereo); */ in dma_cmd()
325 s->freq = 1000000 / ((255 - s->time_const)); in dma_cmd()
327 s->time_const = -1; in dma_cmd()
330 s->block_size = dma_len + 1; in dma_cmd()
331 s->block_size <<= (s->fmt_bits == 16); in dma_cmd()
332 if (!s->dma_auto) { in dma_cmd()
333 /* It is clear that for DOOM and auto-init this value in dma_cmd()
337 s->block_size <<= s->fmt_stereo; in dma_cmd()
342 s->freq, s->fmt_stereo, s->fmt_signed, s->fmt_bits, in dma_cmd()
343 s->block_size, s->dma_auto, s->fifo, s->highspeed); in dma_cmd()
345 if (16 == s->fmt_bits) { in dma_cmd()
346 if (s->fmt_signed) { in dma_cmd()
347 s->fmt = AUDIO_FORMAT_S16; in dma_cmd()
350 s->fmt = AUDIO_FORMAT_U16; in dma_cmd()
354 if (s->fmt_signed) { in dma_cmd()
355 s->fmt = AUDIO_FORMAT_S8; in dma_cmd()
358 s->fmt = AUDIO_FORMAT_U8; in dma_cmd()
362 s->left_till_irq = s->block_size; in dma_cmd()
364 s->bytes_per_second = (s->freq << s->fmt_stereo) << (s->fmt_bits == 16); in dma_cmd()
365 s->highspeed = 0; in dma_cmd()
366 s->align = (1 << (s->fmt_stereo + (s->fmt_bits == 16))) - 1; in dma_cmd()
367 if (s->block_size & s->align) { in dma_cmd()
369 " alignment %d\n", s->block_size, s->align + 1); in dma_cmd()
372 if (s->freq) { in dma_cmd()
375 s->audio_free = 0; in dma_cmd()
377 as.freq = s->freq; in dma_cmd()
378 as.nchannels = 1 << s->fmt_stereo; in dma_cmd()
379 as.fmt = s->fmt; in dma_cmd()
382 s->voice = AUD_open_out ( in dma_cmd()
383 &s->card, in dma_cmd()
384 s->voice, in dma_cmd()
386 s, in dma_cmd()
392 control (s, 1); in dma_cmd()
393 speaker (s, 1); in dma_cmd()
396 static inline void dsp_out_data (SB16State *s, uint8_t val) in dsp_out_data() argument
399 if ((size_t) s->out_data_len < sizeof (s->out_data)) { in dsp_out_data()
400 s->out_data[s->out_data_len++] = val; in dsp_out_data()
404 static inline uint8_t dsp_get_data (SB16State *s) in dsp_get_data() argument
406 if (s->in_index) { in dsp_get_data()
407 return s->in2_data[--s->in_index]; in dsp_get_data()
415 static void command (SB16State *s, uint8_t cmd) in command() argument
432 s->needed_bytes = 3; in command()
435 s->needed_bytes = 0; in command()
439 dsp_out_data (s, 0x10); /* s->csp_param); */ in command()
443 s->needed_bytes = 1; in command()
447 s->needed_bytes = 2; in command()
455 s->needed_bytes = 2; in command()
459 dsp_out_data (s, 0xf8); in command()
463 s->needed_bytes = 1; in command()
467 s->needed_bytes = 1; in command()
471 s->needed_bytes = 2; in command()
472 s->block_size = 0; in command()
475 case 0x1c: /* Auto-Initialize DMA DAC, 8-bit */ in command()
476 dma_cmd8 (s, DMA8_AUTO, -1); in command()
480 dsp_out_data (s, 0xff); in command()
484 qemu_log_mask(LOG_UNIMP, "0x35 - MIDI command not implemented\n"); in command()
488 s->freq = -1; in command()
489 s->time_const = -1; in command()
490 s->needed_bytes = 1; in command()
494 s->freq = -1; in command()
495 s->time_const = -1; in command()
496 s->needed_bytes = 2; in command()
500 s->freq = -1; in command()
501 s->time_const = -1; in command()
502 s->needed_bytes = 2; in command()
506 dsp_out_data (s, 0xaa); in command()
509 case 0x47: /* Continue Auto-Initialize DMA 16bit */ in command()
513 s->needed_bytes = 2; in command()
517 s->needed_bytes = 2; /* DMA DAC, 4-bit ADPCM */ in command()
518 qemu_log_mask(LOG_UNIMP, "0x75 - DMA DAC, 4-bit ADPCM not" in command()
522 case 0x75: /* DMA DAC, 4-bit ADPCM Reference */ in command()
523 s->needed_bytes = 2; in command()
524 qemu_log_mask(LOG_UNIMP, "0x74 - DMA DAC, 4-bit ADPCM Reference not" in command()
528 case 0x76: /* DMA DAC, 2.6-bit ADPCM */ in command()
529 s->needed_bytes = 2; in command()
530 qemu_log_mask(LOG_UNIMP, "0x74 - DMA DAC, 2.6-bit ADPCM not" in command()
534 case 0x77: /* DMA DAC, 2.6-bit ADPCM Reference */ in command()
535 s->needed_bytes = 2; in command()
536 qemu_log_mask(LOG_UNIMP, "0x74 - DMA DAC, 2.6-bit ADPCM Reference" in command()
541 qemu_log_mask(LOG_UNIMP, "0x7d - Autio-Initialize DMA DAC, 4-bit" in command()
547 qemu_log_mask(LOG_UNIMP, "0x7d - Autio-Initialize DMA DAC, 2.6-bit" in command()
553 s->needed_bytes = 2; in command()
558 dma_cmd8 (s, ((cmd & 1) == 0) | DMA8_HIGH, -1); in command()
562 control (s, 0); in command()
566 speaker (s, 1); in command()
570 speaker (s, 0); in command()
576 continue_dma8 (s); in command()
580 control (s, 0); in command()
584 control (s, 1); in command()
587 case 0xd9: /* exit auto-init DMA after this block. 16bit */ in command()
588 s->dma_auto = 0; in command()
591 case 0xda: /* exit auto-init DMA after this block. 8bit */ in command()
592 s->dma_auto = 0; in command()
596 s->needed_bytes = 1; in command()
600 dsp_out_data (s, s->ver & 0xff); in command()
601 dsp_out_data (s, s->ver >> 8); in command()
605 s->needed_bytes = 1; in command()
611 for (i = sizeof (e3) - 1; i >= 0; --i) in command()
612 dsp_out_data (s, e3[i]); in command()
617 s->needed_bytes = 1; in command()
625 dsp_out_data (s, s->test_reg); in command()
630 dsp_out_data (s, 0xaa); in command()
631 s->mixer_regs[0x82] |= (cmd == 0xf2) ? 1 : 2; in command()
632 qemu_irq_raise (s->pic); in command()
636 s->needed_bytes = 1; in command()
640 dsp_out_data (s, 0); in command()
644 dsp_out_data (s, 0); in command()
653 if (!s->needed_bytes) { in command()
658 if (!s->needed_bytes) { in command()
659 s->cmd = -1; in command()
662 s->cmd = cmd; in command()
668 " yet\n", cmd, s->needed_bytes); in command()
673 static uint16_t dsp_get_lohi (SB16State *s) in dsp_get_lohi() argument
675 uint8_t hi = dsp_get_data (s); in dsp_get_lohi()
676 uint8_t lo = dsp_get_data (s); in dsp_get_lohi()
680 static uint16_t dsp_get_hilo (SB16State *s) in dsp_get_hilo() argument
682 uint8_t lo = dsp_get_data (s); in dsp_get_hilo()
683 uint8_t hi = dsp_get_data (s); in dsp_get_hilo()
687 static void complete (SB16State *s) in complete() argument
691 s->cmd, s->in_index, s->needed_bytes); in complete()
693 if (s->cmd > 0xaf && s->cmd < 0xd0) { in complete()
694 d2 = dsp_get_data (s); in complete()
695 d1 = dsp_get_data (s); in complete()
696 d0 = dsp_get_data (s); in complete()
698 if (s->cmd & 8) { in complete()
700 s->cmd, d0, d1, d2); in complete()
704 s->cmd, d0, d1, d2); in complete()
705 dma_cmd (s, s->cmd, d0, d1 + (d2 << 8)); in complete()
709 switch (s->cmd) { in complete()
711 s->csp_mode = dsp_get_data (s); in complete()
712 s->csp_reg83r = 0; in complete()
713 s->csp_reg83w = 0; in complete()
714 ldebug ("CSP command 0x04: mode=%#x\n", s->csp_mode); in complete()
718 s->csp_param = dsp_get_data (s); in complete()
719 s->csp_value = dsp_get_data (s); in complete()
721 s->csp_param, in complete()
722 s->csp_value); in complete()
726 d0 = dsp_get_data (s); in complete()
727 d1 = dsp_get_data (s); in complete()
728 ldebug ("write CSP register %d <- %#x\n", d1, d0); in complete()
730 ldebug ("0x83[%d] <- %#x\n", s->csp_reg83r, d0); in complete()
731 s->csp_reg83[s->csp_reg83r % 4] = d0; in complete()
732 s->csp_reg83r += 1; in complete()
735 s->csp_regs[d1] = d0; in complete()
740 d0 = dsp_get_data (s); in complete()
741 ldebug ("read CSP register %#x -> %#x, mode=%#x\n", in complete()
742 d0, s->csp_regs[d0], s->csp_mode); in complete()
744 ldebug ("0x83[%d] -> %#x\n", in complete()
745 s->csp_reg83w, in complete()
746 s->csp_reg83[s->csp_reg83w % 4]); in complete()
747 dsp_out_data (s, s->csp_reg83[s->csp_reg83w % 4]); in complete()
748 s->csp_reg83w += 1; in complete()
751 dsp_out_data (s, s->csp_regs[d0]); in complete()
756 d0 = dsp_get_data (s); in complete()
761 dma_cmd8 (s, 0, dsp_get_lohi (s) + 1); in complete()
765 s->time_const = dsp_get_data (s); in complete()
766 ldebug ("set time const %d\n", s->time_const); in complete()
778 s->freq = restrict_sampling_rate(dsp_get_hilo(s)); in complete()
779 ldebug ("set freq %d\n", s->freq); in complete()
783 s->block_size = dsp_get_lohi (s) + 1; in complete()
784 ldebug ("set dma block len %d\n", s->block_size); in complete()
799 freq = s->freq > 0 ? s->freq : 11025; in complete()
800 samples = dsp_get_lohi (s) + 1; in complete()
801 bytes = samples << s->fmt_stereo << (s->fmt_bits == 16); in complete()
804 qemu_irq_raise (s->pic); in complete()
807 if (s->aux_ts) { in complete()
809 s->aux_ts, in complete()
819 d0 = dsp_get_data (s); in complete()
820 s->out_data_len = 0; in complete()
822 dsp_out_data (s, ~d0); in complete()
827 d0 = dsp_get_data (s); in complete()
833 s->test_reg = dsp_get_data (s); in complete()
837 d0 = dsp_get_data (s); in complete()
841 dsp_out_data (s, 0xff); in complete()
845 dsp_out_data (s, 0x07); in complete()
849 dsp_out_data (s, 0x38); in complete()
853 dsp_out_data (s, 0x00); in complete()
860 s->cmd); in complete()
866 s->cmd = -1; in complete()
869 static void legacy_reset (SB16State *s) in legacy_reset() argument
873 s->freq = 11025; in legacy_reset()
874 s->fmt_signed = 0; in legacy_reset()
875 s->fmt_bits = 8; in legacy_reset()
876 s->fmt_stereo = 0; in legacy_reset()
878 as.freq = s->freq; in legacy_reset()
883 s->voice = AUD_open_out ( in legacy_reset()
884 &s->card, in legacy_reset()
885 s->voice, in legacy_reset()
887 s, in legacy_reset()
893 /* AUD_set_active_out (s->voice, 1); */ in legacy_reset()
896 static void reset (SB16State *s) in reset() argument
898 qemu_irq_lower (s->pic); in reset()
899 if (s->dma_auto) { in reset()
900 qemu_irq_raise (s->pic); in reset()
901 qemu_irq_lower (s->pic); in reset()
904 s->mixer_regs[0x82] = 0; in reset()
905 s->dma_auto = 0; in reset()
906 s->in_index = 0; in reset()
907 s->out_data_len = 0; in reset()
908 s->left_till_irq = 0; in reset()
909 s->needed_bytes = 0; in reset()
910 s->block_size = -1; in reset()
911 s->nzero = 0; in reset()
912 s->highspeed = 0; in reset()
913 s->v2x6 = 0; in reset()
914 s->cmd = -1; in reset()
916 dsp_out_data (s, 0xaa); in reset()
917 speaker (s, 0); in reset()
918 control (s, 0); in reset()
919 legacy_reset (s); in reset()
924 SB16State *s = opaque; in dsp_write() local
927 iport = nport - s->port; in dsp_write()
929 ldebug ("write %#x <- %#x\n", nport, val); in dsp_write()
934 if (s->v2x6 == 1) { in dsp_write()
935 reset (s); in dsp_write()
937 s->v2x6 = 0; in dsp_write()
942 s->v2x6 = 1; in dsp_write()
946 s->v2x6 = 0; /* Prince of Persia, csp.sys, diagnose.exe */ in dsp_write()
950 reset (s); in dsp_write()
954 dsp_out_data (s, 0x38); in dsp_write()
955 reset (s); in dsp_write()
956 s->v2x6 = 0x39; in dsp_write()
960 s->v2x6 = val; in dsp_write()
966 /* if (s->highspeed) */ in dsp_write()
969 if (s->needed_bytes == 0) { in dsp_write()
970 command (s, val); in dsp_write()
972 if (0 == s->needed_bytes) { in dsp_write()
973 log_dsp (s); in dsp_write()
978 if (s->in_index == sizeof (s->in2_data)) { in dsp_write()
982 s->in2_data[s->in_index++] = val; in dsp_write()
983 if (s->in_index == s->needed_bytes) { in dsp_write()
984 s->needed_bytes = 0; in dsp_write()
985 complete (s); in dsp_write()
987 log_dsp (s); in dsp_write()
1002 SB16State *s = opaque; in dsp_read() local
1005 iport = nport - s->port; in dsp_read()
1013 if (s->out_data_len) { in dsp_read()
1014 retval = s->out_data[--s->out_data_len]; in dsp_read()
1015 s->last_read_byte = retval; in dsp_read()
1018 if (s->cmd != -1) { in dsp_read()
1020 s->cmd); in dsp_read()
1022 retval = s->last_read_byte; in dsp_read()
1028 retval = s->can_write ? 0 : 0x80; in dsp_read()
1037 retval = (!s->out_data_len || s->highspeed) ? 0 : 0x80; in dsp_read()
1038 if (s->mixer_regs[0x82] & 1) { in dsp_read()
1040 s->mixer_regs[0x82] &= ~1; in dsp_read()
1041 qemu_irq_lower (s->pic); in dsp_read()
1047 if (s->mixer_regs[0x82] & 2) { in dsp_read()
1049 s->mixer_regs[0x82] &= ~2; in dsp_read()
1050 qemu_irq_lower (s->pic); in dsp_read()
1059 ldebug ("read %#x -> %#x\n", nport, retval); in dsp_read()
1069 static void reset_mixer (SB16State *s) in reset_mixer() argument
1073 memset (s->mixer_regs, 0xff, 0x7f); in reset_mixer()
1074 memset (s->mixer_regs + 0x83, 0xff, sizeof (s->mixer_regs) - 0x83); in reset_mixer()
1076 s->mixer_regs[0x02] = 4; /* master volume 3bits */ in reset_mixer()
1077 s->mixer_regs[0x06] = 4; /* MIDI volume 3bits */ in reset_mixer()
1078 s->mixer_regs[0x08] = 0; /* CD volume 3bits */ in reset_mixer()
1079 s->mixer_regs[0x0a] = 0; /* voice volume 2bits */ in reset_mixer()
1082 s->mixer_regs[0x0c] = 0; in reset_mixer()
1085 s->mixer_regs[0x0e] = 0; in reset_mixer()
1088 s->mixer_regs[0x04] = (4 << 5) | (4 << 1); in reset_mixer()
1090 s->mixer_regs[0x22] = (4 << 5) | (4 << 1); in reset_mixer()
1092 s->mixer_regs[0x26] = (4 << 5) | (4 << 1); in reset_mixer()
1095 s->mixer_regs[i] = 0x20; in reset_mixer()
1101 SB16State *s = opaque; in mixer_write_indexb() local
1103 s->mixer_nreg = val; in mixer_write_indexb()
1108 SB16State *s = opaque; in mixer_write_datab() local
1111 ldebug ("mixer_write [%#x] <- %#x\n", s->mixer_nreg, val); in mixer_write_datab()
1113 switch (s->mixer_nreg) { in mixer_write_datab()
1115 reset_mixer (s); in mixer_write_datab()
1123 s->irq = irq; in mixer_write_datab()
1134 if (dma != s->dma || hdma != s->hdma) { in mixer_write_datab()
1136 " %d(%d), 16bit %d(%d) (val=%#x)\n", dma, s->dma, in mixer_write_datab()
1137 hdma, s->hdma, val); in mixer_write_datab()
1140 s->dma = dma; in mixer_write_datab()
1141 s->hdma = hdma; in mixer_write_datab()
1152 if (s->mixer_nreg >= 0x80) { in mixer_write_datab()
1153 ldebug ("attempt to write mixer[%#x] <- %#x\n", s->mixer_nreg, val); in mixer_write_datab()
1158 s->mixer_regs[s->mixer_nreg] = val; in mixer_write_datab()
1163 SB16State *s = opaque; in mixer_read() local
1167 if (s->mixer_nreg != 0x82) { in mixer_read()
1168 ldebug ("mixer_read[%#x] -> %#x\n", in mixer_read()
1169 s->mixer_nreg, s->mixer_regs[s->mixer_nreg]); in mixer_read()
1172 ldebug ("mixer_read[%#x] -> %#x\n", in mixer_read()
1173 s->mixer_nreg, s->mixer_regs[s->mixer_nreg]); in mixer_read()
1175 return s->mixer_regs[s->mixer_nreg]; in mixer_read()
1178 static int write_audio (SB16State *s, int nchan, int dma_pos, in write_audio() argument
1181 IsaDma *isa_dma = nchan == s->dma ? s->isa_dma : s->isa_hdma; in write_audio()
1190 int left = dma_len - dma_pos; in write_audio()
1199 copied = k->read_memory(isa_dma, nchan, tmpbuf, dma_pos, to_copy); in write_audio()
1200 copied = AUD_write (s->voice, tmpbuf, copied); in write_audio()
1202 temp -= copied; in write_audio()
1216 SB16State *s = opaque; in SB_read_DMA() local
1219 if (s->block_size <= 0) { in SB_read_DMA()
1221 " dma_pos=%d dma_len=%d\n", s->block_size, nchan, in SB_read_DMA()
1226 if (s->left_till_irq < 0) { in SB_read_DMA()
1227 s->left_till_irq = s->block_size; in SB_read_DMA()
1230 if (s->voice) { in SB_read_DMA()
1231 free = s->audio_free & ~s->align; in SB_read_DMA()
1241 till = s->left_till_irq; in SB_read_DMA()
1249 if (s->dma_auto == 0) { in SB_read_DMA()
1254 written = write_audio (s, nchan, dma_pos, dma_len, copy); in SB_read_DMA()
1256 s->left_till_irq -= written; in SB_read_DMA()
1258 if (s->left_till_irq <= 0) { in SB_read_DMA()
1259 s->mixer_regs[0x82] |= (nchan & 4) ? 2 : 1; in SB_read_DMA()
1260 qemu_irq_raise (s->pic); in SB_read_DMA()
1261 if (s->dma_auto == 0) { in SB_read_DMA()
1262 control (s, 0); in SB_read_DMA()
1263 speaker (s, 0); in SB_read_DMA()
1269 dma_pos, free, dma_len, s->left_till_irq, copy, written, in SB_read_DMA()
1270 s->block_size); in SB_read_DMA()
1273 while (s->left_till_irq <= 0) { in SB_read_DMA()
1274 s->left_till_irq = s->block_size + s->left_till_irq; in SB_read_DMA()
1282 SB16State *s = opaque; in SB_audio_callback() local
1283 s->audio_free = free; in SB_audio_callback()
1288 SB16State *s = opaque; in sb16_post_load() local
1290 if (s->voice) { in sb16_post_load()
1291 AUD_close_out (&s->card, s->voice); in sb16_post_load()
1292 s->voice = NULL; in sb16_post_load()
1295 if (s->dma_running) { in sb16_post_load()
1296 if (s->freq) { in sb16_post_load()
1299 s->audio_free = 0; in sb16_post_load()
1301 as.freq = s->freq; in sb16_post_load()
1302 as.nchannels = 1 << s->fmt_stereo; in sb16_post_load()
1303 as.fmt = s->fmt; in sb16_post_load()
1306 s->voice = AUD_open_out ( in sb16_post_load()
1307 &s->card, in sb16_post_load()
1308 s->voice, in sb16_post_load()
1310 s, in sb16_post_load()
1316 control (s, 1); in sb16_post_load()
1317 speaker (s, s->speaker); in sb16_post_load()
1393 SB16State *s = SB16 (obj); in sb16_initfn() local
1395 s->cmd = -1; in sb16_initfn()
1402 SB16State *s = SB16 (dev); in sb16_realizefn() local
1405 if (!AUD_register_card ("sb16", &s->card, errp)) { in sb16_realizefn()
1409 s->isa_hdma = isa_bus_get_dma(bus, s->hdma); in sb16_realizefn()
1410 s->isa_dma = isa_bus_get_dma(bus, s->dma); in sb16_realizefn()
1411 if (!s->isa_dma || !s->isa_hdma) { in sb16_realizefn()
1416 s->pic = isa_bus_get_irq(bus, s->irq); in sb16_realizefn()
1418 s->mixer_regs[0x80] = magic_of_irq (s->irq); in sb16_realizefn()
1419 s->mixer_regs[0x81] = (1 << s->dma) | (1 << s->hdma); in sb16_realizefn()
1420 s->mixer_regs[0x82] = 2 << 5; in sb16_realizefn()
1422 s->csp_regs[5] = 1; in sb16_realizefn()
1423 s->csp_regs[9] = 0xf8; in sb16_realizefn()
1425 reset_mixer (s); in sb16_realizefn()
1426 s->aux_ts = timer_new_ns(QEMU_CLOCK_VIRTUAL, aux_timer, s); in sb16_realizefn()
1427 if (!s->aux_ts) { in sb16_realizefn()
1431 isa_register_portio_list(isadev, &s->portio_list, s->port, in sb16_realizefn()
1432 sb16_ioport_list, s, "sb16"); in sb16_realizefn()
1434 k = ISADMA_GET_CLASS(s->isa_hdma); in sb16_realizefn()
1435 k->register_channel(s->isa_hdma, s->hdma, SB_read_DMA, s); in sb16_realizefn()
1437 k = ISADMA_GET_CLASS(s->isa_dma); in sb16_realizefn()
1438 k->register_channel(s->isa_dma, s->dma, SB_read_DMA, s); in sb16_realizefn()
1440 s->can_write = 1; in sb16_realizefn()
1457 dc->realize = sb16_realizefn; in sb16_class_initfn()
1458 set_bit(DEVICE_CATEGORY_SOUND, dc->categories); in sb16_class_initfn()
1459 dc->desc = "Creative Sound Blaster 16"; in sb16_class_initfn()
1460 dc->vmsd = &vmstate_sb16; in sb16_class_initfn()