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27#define SILENT_ES1370
28
29#include "qemu/osdep.h"
30#include "hw/hw.h"
31#include "hw/audio/soundhw.h"
32#include "audio/audio.h"
33#include "hw/pci/pci.h"
34#include "qemu/module.h"
35#include "sysemu/dma.h"
36
37
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53
54
55
56#define ES1370_REG_CONTROL 0x00
57#define ES1370_REG_STATUS 0x04
58#define ES1370_REG_UART_DATA 0x08
59#define ES1370_REG_UART_STATUS 0x09
60#define ES1370_REG_UART_CONTROL 0x09
61#define ES1370_REG_UART_TEST 0x0a
62#define ES1370_REG_MEMPAGE 0x0c
63#define ES1370_REG_CODEC 0x10
64#define ES1370_REG_SERIAL_CONTROL 0x20
65#define ES1370_REG_DAC1_SCOUNT 0x24
66#define ES1370_REG_DAC2_SCOUNT 0x28
67#define ES1370_REG_ADC_SCOUNT 0x2c
68
69#define ES1370_REG_DAC1_FRAMEADR 0xc30
70#define ES1370_REG_DAC1_FRAMECNT 0xc34
71#define ES1370_REG_DAC2_FRAMEADR 0xc38
72#define ES1370_REG_DAC2_FRAMECNT 0xc3c
73#define ES1370_REG_ADC_FRAMEADR 0xd30
74#define ES1370_REG_ADC_FRAMECNT 0xd34
75#define ES1370_REG_PHANTOM_FRAMEADR 0xd38
76#define ES1370_REG_PHANTOM_FRAMECNT 0xd3c
77
78static const unsigned dac1_samplerate[] = { 5512, 11025, 22050, 44100 };
79
80#define DAC2_SRTODIV(x) (((1411200+(x)/2)/(x))-2)
81#define DAC2_DIVTOSR(x) (1411200/((x)+2))
82
83#define CTRL_ADC_STOP 0x80000000
84#define CTRL_XCTL1 0x40000000
85#define CTRL_OPEN 0x20000000
86#define CTRL_PCLKDIV 0x1fff0000
87#define CTRL_SH_PCLKDIV 16
88#define CTRL_MSFMTSEL 0x00008000
89#define CTRL_M_SBB 0x00004000
90#define CTRL_WTSRSEL 0x00003000
91#define CTRL_SH_WTSRSEL 12
92#define CTRL_DAC_SYNC 0x00000800
93#define CTRL_CCB_INTRM 0x00000400
94#define CTRL_M_CB 0x00000200
95#define CTRL_XCTL0 0x00000100
96#define CTRL_BREQ 0x00000080
97#define CTRL_DAC1_EN 0x00000040
98#define CTRL_DAC2_EN 0x00000020
99#define CTRL_ADC_EN 0x00000010
100#define CTRL_UART_EN 0x00000008
101#define CTRL_JYSTK_EN 0x00000004
102#define CTRL_CDC_EN 0x00000002
103#define CTRL_SERR_DIS 0x00000001
104
105#define STAT_INTR 0x80000000
106#define STAT_CSTAT 0x00000400
107#define STAT_CBUSY 0x00000200
108#define STAT_CWRIP 0x00000100
109#define STAT_VC 0x00000060
110#define STAT_SH_VC 5
111#define STAT_MCCB 0x00000010
112#define STAT_UART 0x00000008
113#define STAT_DAC1 0x00000004
114#define STAT_DAC2 0x00000002
115#define STAT_ADC 0x00000001
116
117#define USTAT_RXINT 0x80
118#define USTAT_TXINT 0x04
119#define USTAT_TXRDY 0x02
120#define USTAT_RXRDY 0x01
121
122#define UCTRL_RXINTEN 0x80
123#define UCTRL_TXINTEN 0x60
124#define UCTRL_ENA_TXINT 0x20
125#define UCTRL_CNTRL 0x03
126#define UCTRL_CNTRL_SWR 0x03
127
128#define SCTRL_P2ENDINC 0x00380000
129#define SCTRL_SH_P2ENDINC 19
130#define SCTRL_P2STINC 0x00070000
131#define SCTRL_SH_P2STINC 16
132#define SCTRL_R1LOOPSEL 0x00008000
133#define SCTRL_P2LOOPSEL 0x00004000
134#define SCTRL_P1LOOPSEL 0x00002000
135#define SCTRL_P2PAUSE 0x00001000
136#define SCTRL_P1PAUSE 0x00000800
137#define SCTRL_R1INTEN 0x00000400
138#define SCTRL_P2INTEN 0x00000200
139#define SCTRL_P1INTEN 0x00000100
140#define SCTRL_P1SCTRLD 0x00000080
141#define SCTRL_P2DACSEN 0x00000040
142#define SCTRL_R1SEB 0x00000020
143#define SCTRL_R1SMB 0x00000010
144#define SCTRL_R1FMT 0x00000030
145#define SCTRL_SH_R1FMT 4
146#define SCTRL_P2SEB 0x00000008
147#define SCTRL_P2SMB 0x00000004
148#define SCTRL_P2FMT 0x0000000c
149#define SCTRL_SH_P2FMT 2
150#define SCTRL_P1SEB 0x00000002
151#define SCTRL_P1SMB 0x00000001
152#define SCTRL_P1FMT 0x00000003
153#define SCTRL_SH_P1FMT 0
154
155
156
157#define NB_CHANNELS 3
158#define DAC1_CHANNEL 0
159#define DAC2_CHANNEL 1
160#define ADC_CHANNEL 2
161
162static void es1370_dac1_callback (void *opaque, int free);
163static void es1370_dac2_callback (void *opaque, int free);
164static void es1370_adc_callback (void *opaque, int avail);
165
166#ifdef DEBUG_ES1370
167
168#define ldebug(...) AUD_log ("es1370", __VA_ARGS__)
169
170static void print_ctl (uint32_t val)
171{
172 char buf[1024];
173
174 buf[0] = '\0';
175#define a(n) if (val & CTRL_##n) strcat (buf, " "#n)
176 a (ADC_STOP);
177 a (XCTL1);
178 a (OPEN);
179 a (MSFMTSEL);
180 a (M_SBB);
181 a (DAC_SYNC);
182 a (CCB_INTRM);
183 a (M_CB);
184 a (XCTL0);
185 a (BREQ);
186 a (DAC1_EN);
187 a (DAC2_EN);
188 a (ADC_EN);
189 a (UART_EN);
190 a (JYSTK_EN);
191 a (CDC_EN);
192 a (SERR_DIS);
193#undef a
194 AUD_log ("es1370", "ctl - PCLKDIV %d(DAC2 freq %d), freq %d,%s\n",
195 (val & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV,
196 DAC2_DIVTOSR ((val & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV),
197 dac1_samplerate[(val & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL],
198 buf);
199}
200
201static void print_sctl (uint32_t val)
202{
203 static const char *fmt_names[] = {"8M", "8S", "16M", "16S"};
204 char buf[1024];
205
206 buf[0] = '\0';
207
208#define a(n) if (val & SCTRL_##n) strcat (buf, " "#n)
209#define b(n) if (!(val & SCTRL_##n)) strcat (buf, " "#n)
210 b (R1LOOPSEL);
211 b (P2LOOPSEL);
212 b (P1LOOPSEL);
213 a (P2PAUSE);
214 a (P1PAUSE);
215 a (R1INTEN);
216 a (P2INTEN);
217 a (P1INTEN);
218 a (P1SCTRLD);
219 a (P2DACSEN);
220 if (buf[0]) {
221 strcat (buf, "\n ");
222 }
223 else {
224 buf[0] = ' ';
225 buf[1] = '\0';
226 }
227#undef b
228#undef a
229 AUD_log ("es1370",
230 "%s"
231 "p2_end_inc %d, p2_st_inc %d, r1_fmt %s, p2_fmt %s, p1_fmt %s\n",
232 buf,
233 (val & SCTRL_P2ENDINC) >> SCTRL_SH_P2ENDINC,
234 (val & SCTRL_P2STINC) >> SCTRL_SH_P2STINC,
235 fmt_names [(val >> SCTRL_SH_R1FMT) & 3],
236 fmt_names [(val >> SCTRL_SH_P2FMT) & 3],
237 fmt_names [(val >> SCTRL_SH_P1FMT) & 3]
238 );
239}
240#else
241#define ldebug(...)
242#define print_ctl(...)
243#define print_sctl(...)
244#endif
245
246#ifdef VERBOSE_ES1370
247#define dolog(...) AUD_log ("es1370", __VA_ARGS__)
248#else
249#define dolog(...)
250#endif
251
252#ifndef SILENT_ES1370
253#define lwarn(...) AUD_log ("es1370: warning", __VA_ARGS__)
254#else
255#define lwarn(...)
256#endif
257
258struct chan {
259 uint32_t shift;
260 uint32_t leftover;
261 uint32_t scount;
262 uint32_t frame_addr;
263 uint32_t frame_cnt;
264};
265
266typedef struct ES1370State {
267 PCIDevice dev;
268 QEMUSoundCard card;
269 MemoryRegion io;
270 struct chan chan[NB_CHANNELS];
271 SWVoiceOut *dac_voice[2];
272 SWVoiceIn *adc_voice;
273
274 uint32_t ctl;
275 uint32_t status;
276 uint32_t mempage;
277 uint32_t codec;
278 uint32_t sctl;
279} ES1370State;
280
281struct chan_bits {
282 uint32_t ctl_en;
283 uint32_t stat_int;
284 uint32_t sctl_pause;
285 uint32_t sctl_inten;
286 uint32_t sctl_fmt;
287 uint32_t sctl_sh_fmt;
288 uint32_t sctl_loopsel;
289 void (*calc_freq) (ES1370State *s, uint32_t ctl,
290 uint32_t *old_freq, uint32_t *new_freq);
291};
292
293#define TYPE_ES1370 "ES1370"
294#define ES1370(obj) \
295 OBJECT_CHECK(ES1370State, (obj), TYPE_ES1370)
296
297static void es1370_dac1_calc_freq (ES1370State *s, uint32_t ctl,
298 uint32_t *old_freq, uint32_t *new_freq);
299static void es1370_dac2_and_adc_calc_freq (ES1370State *s, uint32_t ctl,
300 uint32_t *old_freq,
301 uint32_t *new_freq);
302
303static const struct chan_bits es1370_chan_bits[] = {
304 {CTRL_DAC1_EN, STAT_DAC1, SCTRL_P1PAUSE, SCTRL_P1INTEN,
305 SCTRL_P1FMT, SCTRL_SH_P1FMT, SCTRL_P1LOOPSEL,
306 es1370_dac1_calc_freq},
307
308 {CTRL_DAC2_EN, STAT_DAC2, SCTRL_P2PAUSE, SCTRL_P2INTEN,
309 SCTRL_P2FMT, SCTRL_SH_P2FMT, SCTRL_P2LOOPSEL,
310 es1370_dac2_and_adc_calc_freq},
311
312 {CTRL_ADC_EN, STAT_ADC, 0, SCTRL_R1INTEN,
313 SCTRL_R1FMT, SCTRL_SH_R1FMT, SCTRL_R1LOOPSEL,
314 es1370_dac2_and_adc_calc_freq}
315};
316
317static void es1370_update_status (ES1370State *s, uint32_t new_status)
318{
319 uint32_t level = new_status & (STAT_DAC1 | STAT_DAC2 | STAT_ADC);
320
321 if (level) {
322 s->status = new_status | STAT_INTR;
323 }
324 else {
325 s->status = new_status & ~STAT_INTR;
326 }
327 pci_set_irq(&s->dev, !!level);
328}
329
330static void es1370_reset (ES1370State *s)
331{
332 size_t i;
333
334 s->ctl = 1;
335 s->status = 0x60;
336 s->mempage = 0;
337 s->codec = 0;
338 s->sctl = 0;
339
340 for (i = 0; i < NB_CHANNELS; ++i) {
341 struct chan *d = &s->chan[i];
342 d->scount = 0;
343 d->leftover = 0;
344 if (i == ADC_CHANNEL) {
345 AUD_close_in (&s->card, s->adc_voice);
346 s->adc_voice = NULL;
347 }
348 else {
349 AUD_close_out (&s->card, s->dac_voice[i]);
350 s->dac_voice[i] = NULL;
351 }
352 }
353 pci_irq_deassert(&s->dev);
354}
355
356static void es1370_maybe_lower_irq (ES1370State *s, uint32_t sctl)
357{
358 uint32_t new_status = s->status;
359
360 if (!(sctl & SCTRL_P1INTEN) && (s->sctl & SCTRL_P1INTEN)) {
361 new_status &= ~STAT_DAC1;
362 }
363
364 if (!(sctl & SCTRL_P2INTEN) && (s->sctl & SCTRL_P2INTEN)) {
365 new_status &= ~STAT_DAC2;
366 }
367
368 if (!(sctl & SCTRL_R1INTEN) && (s->sctl & SCTRL_R1INTEN)) {
369 new_status &= ~STAT_ADC;
370 }
371
372 if (new_status != s->status) {
373 es1370_update_status (s, new_status);
374 }
375}
376
377static void es1370_dac1_calc_freq (ES1370State *s, uint32_t ctl,
378 uint32_t *old_freq, uint32_t *new_freq)
379
380{
381 *old_freq = dac1_samplerate[(s->ctl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL];
382 *new_freq = dac1_samplerate[(ctl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL];
383}
384
385static void es1370_dac2_and_adc_calc_freq (ES1370State *s, uint32_t ctl,
386 uint32_t *old_freq,
387 uint32_t *new_freq)
388
389{
390 uint32_t old_pclkdiv, new_pclkdiv;
391
392 new_pclkdiv = (ctl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV;
393 old_pclkdiv = (s->ctl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV;
394 *new_freq = DAC2_DIVTOSR (new_pclkdiv);
395 *old_freq = DAC2_DIVTOSR (old_pclkdiv);
396}
397
398static void es1370_update_voices (ES1370State *s, uint32_t ctl, uint32_t sctl)
399{
400 size_t i;
401 uint32_t old_freq, new_freq, old_fmt, new_fmt;
402
403 for (i = 0; i < NB_CHANNELS; ++i) {
404 struct chan *d = &s->chan[i];
405 const struct chan_bits *b = &es1370_chan_bits[i];
406
407 new_fmt = (sctl & b->sctl_fmt) >> b->sctl_sh_fmt;
408 old_fmt = (s->sctl & b->sctl_fmt) >> b->sctl_sh_fmt;
409
410 b->calc_freq (s, ctl, &old_freq, &new_freq);
411
412 if ((old_fmt != new_fmt) || (old_freq != new_freq)) {
413 d->shift = (new_fmt & 1) + (new_fmt >> 1);
414 ldebug ("channel %zu, freq = %d, nchannels %d, fmt %d, shift %d\n",
415 i,
416 new_freq,
417 1 << (new_fmt & 1),
418 (new_fmt & 2) ? AUDIO_FORMAT_S16 : AUDIO_FORMAT_U8,
419 d->shift);
420 if (new_freq) {
421 struct audsettings as;
422
423 as.freq = new_freq;
424 as.nchannels = 1 << (new_fmt & 1);
425 as.fmt = (new_fmt & 2) ? AUDIO_FORMAT_S16 : AUDIO_FORMAT_U8;
426 as.endianness = 0;
427
428 if (i == ADC_CHANNEL) {
429 s->adc_voice =
430 AUD_open_in (
431 &s->card,
432 s->adc_voice,
433 "es1370.adc",
434 s,
435 es1370_adc_callback,
436 &as
437 );
438 }
439 else {
440 s->dac_voice[i] =
441 AUD_open_out (
442 &s->card,
443 s->dac_voice[i],
444 i ? "es1370.dac2" : "es1370.dac1",
445 s,
446 i ? es1370_dac2_callback : es1370_dac1_callback,
447 &as
448 );
449 }
450 }
451 }
452
453 if (((ctl ^ s->ctl) & b->ctl_en)
454 || ((sctl ^ s->sctl) & b->sctl_pause)) {
455 int on = (ctl & b->ctl_en) && !(sctl & b->sctl_pause);
456
457 if (i == ADC_CHANNEL) {
458 AUD_set_active_in (s->adc_voice, on);
459 }
460 else {
461 AUD_set_active_out (s->dac_voice[i], on);
462 }
463 }
464 }
465
466 s->ctl = ctl;
467 s->sctl = sctl;
468}
469
470static inline uint32_t es1370_fixup (ES1370State *s, uint32_t addr)
471{
472 addr &= 0xff;
473 if (addr >= 0x30 && addr <= 0x3f)
474 addr |= s->mempage << 8;
475 return addr;
476}
477
478static void es1370_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
479{
480 ES1370State *s = opaque;
481 struct chan *d = &s->chan[0];
482
483 addr = es1370_fixup (s, addr);
484
485 switch (addr) {
486 case ES1370_REG_CONTROL:
487 es1370_update_voices (s, val, s->sctl);
488 print_ctl (val);
489 break;
490
491 case ES1370_REG_MEMPAGE:
492 s->mempage = val & 0xf;
493 break;
494
495 case ES1370_REG_SERIAL_CONTROL:
496 es1370_maybe_lower_irq (s, val);
497 es1370_update_voices (s, s->ctl, val);
498 print_sctl (val);
499 break;
500
501 case ES1370_REG_DAC1_SCOUNT:
502 case ES1370_REG_DAC2_SCOUNT:
503 case ES1370_REG_ADC_SCOUNT:
504 d += (addr - ES1370_REG_DAC1_SCOUNT) >> 2;
505 d->scount = (val & 0xffff) | (d->scount & ~0xffff);
506 ldebug ("chan %td CURR_SAMP_CT %d, SAMP_CT %d\n",
507 d - &s->chan[0], val >> 16, (val & 0xffff));
508 break;
509
510 case ES1370_REG_ADC_FRAMEADR:
511 d += 2;
512 goto frameadr;
513 case ES1370_REG_DAC1_FRAMEADR:
514 case ES1370_REG_DAC2_FRAMEADR:
515 d += (addr - ES1370_REG_DAC1_FRAMEADR) >> 3;
516 frameadr:
517 d->frame_addr = val;
518 ldebug ("chan %td frame address %#x\n", d - &s->chan[0], val);
519 break;
520
521 case ES1370_REG_PHANTOM_FRAMECNT:
522 lwarn ("writing to phantom frame count %#x\n", val);
523 break;
524 case ES1370_REG_PHANTOM_FRAMEADR:
525 lwarn ("writing to phantom frame address %#x\n", val);
526 break;
527
528 case ES1370_REG_ADC_FRAMECNT:
529 d += 2;
530 goto framecnt;
531 case ES1370_REG_DAC1_FRAMECNT:
532 case ES1370_REG_DAC2_FRAMECNT:
533 d += (addr - ES1370_REG_DAC1_FRAMECNT) >> 3;
534 framecnt:
535 d->frame_cnt = val;
536 d->leftover = 0;
537 ldebug ("chan %td frame count %d, buffer size %d\n",
538 d - &s->chan[0], val >> 16, val & 0xffff);
539 break;
540
541 default:
542 lwarn ("writel %#x <- %#x\n", addr, val);
543 break;
544 }
545}
546
547static uint64_t es1370_read(void *opaque, hwaddr addr, unsigned size)
548{
549 ES1370State *s = opaque;
550 uint32_t val;
551 struct chan *d = &s->chan[0];
552
553 addr = es1370_fixup (s, addr);
554
555 switch (addr) {
556 case ES1370_REG_CONTROL:
557 val = s->ctl;
558 break;
559 case ES1370_REG_STATUS:
560 val = s->status;
561 break;
562 case ES1370_REG_MEMPAGE:
563 val = s->mempage;
564 break;
565 case ES1370_REG_CODEC:
566 val = s->codec;
567 break;
568 case ES1370_REG_SERIAL_CONTROL:
569 val = s->sctl;
570 break;
571
572 case ES1370_REG_DAC1_SCOUNT:
573 case ES1370_REG_DAC2_SCOUNT:
574 case ES1370_REG_ADC_SCOUNT:
575 d += (addr - ES1370_REG_DAC1_SCOUNT) >> 2;
576 val = d->scount;
577#ifdef DEBUG_ES1370
578 {
579 uint32_t curr_count = d->scount >> 16;
580 uint32_t count = d->scount & 0xffff;
581
582 curr_count <<= d->shift;
583 count <<= d->shift;
584 dolog ("read scount curr %d, total %d\n", curr_count, count);
585 }
586#endif
587 break;
588
589 case ES1370_REG_ADC_FRAMECNT:
590 d += 2;
591 goto framecnt;
592 case ES1370_REG_DAC1_FRAMECNT:
593 case ES1370_REG_DAC2_FRAMECNT:
594 d += (addr - ES1370_REG_DAC1_FRAMECNT) >> 3;
595 framecnt:
596 val = d->frame_cnt;
597#ifdef DEBUG_ES1370
598 {
599 uint32_t size = ((d->frame_cnt & 0xffff) + 1) << 2;
600 uint32_t curr = ((d->frame_cnt >> 16) + 1) << 2;
601 if (curr > size) {
602 dolog ("read framecnt curr %d, size %d %d\n", curr, size,
603 curr > size);
604 }
605 }
606#endif
607 break;
608
609 case ES1370_REG_ADC_FRAMEADR:
610 d += 2;
611 goto frameadr;
612 case ES1370_REG_DAC1_FRAMEADR:
613 case ES1370_REG_DAC2_FRAMEADR:
614 d += (addr - ES1370_REG_DAC1_FRAMEADR) >> 3;
615 frameadr:
616 val = d->frame_addr;
617 break;
618
619 case ES1370_REG_PHANTOM_FRAMECNT:
620 val = ~0U;
621 lwarn ("reading from phantom frame count\n");
622 break;
623 case ES1370_REG_PHANTOM_FRAMEADR:
624 val = ~0U;
625 lwarn ("reading from phantom frame address\n");
626 break;
627
628 default:
629 val = ~0U;
630 lwarn ("readl %#x -> %#x\n", addr, val);
631 break;
632 }
633 return val;
634}
635
636static void es1370_transfer_audio (ES1370State *s, struct chan *d, int loop_sel,
637 int max, int *irq)
638{
639 uint8_t tmpbuf[4096];
640 uint32_t addr = d->frame_addr;
641 int sc = d->scount & 0xffff;
642 int csc = d->scount >> 16;
643 int csc_bytes = (csc + 1) << d->shift;
644 int cnt = d->frame_cnt >> 16;
645 int size = d->frame_cnt & 0xffff;
646 int left = ((size - cnt + 1) << 2) + d->leftover;
647 int transferred = 0;
648 int temp = audio_MIN (max, audio_MIN (left, csc_bytes));
649 int index = d - &s->chan[0];
650
651 addr += (cnt << 2) + d->leftover;
652
653 if (index == ADC_CHANNEL) {
654 while (temp) {
655 int acquired, to_copy;
656
657 to_copy = audio_MIN ((size_t) temp, sizeof (tmpbuf));
658 acquired = AUD_read (s->adc_voice, tmpbuf, to_copy);
659 if (!acquired)
660 break;
661
662 pci_dma_write (&s->dev, addr, tmpbuf, acquired);
663
664 temp -= acquired;
665 addr += acquired;
666 transferred += acquired;
667 }
668 }
669 else {
670 SWVoiceOut *voice = s->dac_voice[index];
671
672 while (temp) {
673 int copied, to_copy;
674
675 to_copy = audio_MIN ((size_t) temp, sizeof (tmpbuf));
676 pci_dma_read (&s->dev, addr, tmpbuf, to_copy);
677 copied = AUD_write (voice, tmpbuf, to_copy);
678 if (!copied)
679 break;
680 temp -= copied;
681 addr += copied;
682 transferred += copied;
683 }
684 }
685
686 if (csc_bytes == transferred) {
687 *irq = 1;
688 d->scount = sc | (sc << 16);
689 ldebug ("sc = %d, rate = %f\n",
690 (sc + 1) << d->shift,
691 (sc + 1) / (double) 44100);
692 }
693 else {
694 *irq = 0;
695 d->scount = sc | (((csc_bytes - transferred - 1) >> d->shift) << 16);
696 }
697
698 cnt += (transferred + d->leftover) >> 2;
699
700 if (s->sctl & loop_sel) {
701
702
703 AUD_log ("es1370: warning", "non looping mode\n");
704 }
705 else {
706 d->frame_cnt = size;
707
708 if ((uint32_t) cnt <= d->frame_cnt)
709 d->frame_cnt |= cnt << 16;
710 }
711
712 d->leftover = (transferred + d->leftover) & 3;
713}
714
715static void es1370_run_channel (ES1370State *s, size_t chan, int free_or_avail)
716{
717 uint32_t new_status = s->status;
718 int max_bytes, irq;
719 struct chan *d = &s->chan[chan];
720 const struct chan_bits *b = &es1370_chan_bits[chan];
721
722 if (!(s->ctl & b->ctl_en) || (s->sctl & b->sctl_pause)) {
723 return;
724 }
725
726 max_bytes = free_or_avail;
727 max_bytes &= ~((1 << d->shift) - 1);
728 if (!max_bytes) {
729 return;
730 }
731
732 es1370_transfer_audio (s, d, b->sctl_loopsel, max_bytes, &irq);
733
734 if (irq) {
735 if (s->sctl & b->sctl_inten) {
736 new_status |= b->stat_int;
737 }
738 }
739
740 if (new_status != s->status) {
741 es1370_update_status (s, new_status);
742 }
743}
744
745static void es1370_dac1_callback (void *opaque, int free)
746{
747 ES1370State *s = opaque;
748
749 es1370_run_channel (s, DAC1_CHANNEL, free);
750}
751
752static void es1370_dac2_callback (void *opaque, int free)
753{
754 ES1370State *s = opaque;
755
756 es1370_run_channel (s, DAC2_CHANNEL, free);
757}
758
759static void es1370_adc_callback (void *opaque, int avail)
760{
761 ES1370State *s = opaque;
762
763 es1370_run_channel (s, ADC_CHANNEL, avail);
764}
765
766static const MemoryRegionOps es1370_io_ops = {
767 .read = es1370_read,
768 .write = es1370_write,
769 .valid = {
770 .min_access_size = 1,
771 .max_access_size = 4,
772 },
773 .impl = {
774 .min_access_size = 4,
775 .max_access_size = 4,
776 },
777 .endianness = DEVICE_LITTLE_ENDIAN,
778};
779
780static const VMStateDescription vmstate_es1370_channel = {
781 .name = "es1370_channel",
782 .version_id = 2,
783 .minimum_version_id = 2,
784 .fields = (VMStateField[]) {
785 VMSTATE_UINT32 (shift, struct chan),
786 VMSTATE_UINT32 (leftover, struct chan),
787 VMSTATE_UINT32 (scount, struct chan),
788 VMSTATE_UINT32 (frame_addr, struct chan),
789 VMSTATE_UINT32 (frame_cnt, struct chan),
790 VMSTATE_END_OF_LIST ()
791 }
792};
793
794static int es1370_post_load (void *opaque, int version_id)
795{
796 uint32_t ctl, sctl;
797 ES1370State *s = opaque;
798 size_t i;
799
800 for (i = 0; i < NB_CHANNELS; ++i) {
801 if (i == ADC_CHANNEL) {
802 if (s->adc_voice) {
803 AUD_close_in (&s->card, s->adc_voice);
804 s->adc_voice = NULL;
805 }
806 }
807 else {
808 if (s->dac_voice[i]) {
809 AUD_close_out (&s->card, s->dac_voice[i]);
810 s->dac_voice[i] = NULL;
811 }
812 }
813 }
814
815 ctl = s->ctl;
816 sctl = s->sctl;
817 s->ctl = 0;
818 s->sctl = 0;
819 es1370_update_voices (s, ctl, sctl);
820 return 0;
821}
822
823static const VMStateDescription vmstate_es1370 = {
824 .name = "es1370",
825 .version_id = 2,
826 .minimum_version_id = 2,
827 .post_load = es1370_post_load,
828 .fields = (VMStateField[]) {
829 VMSTATE_PCI_DEVICE (dev, ES1370State),
830 VMSTATE_STRUCT_ARRAY (chan, ES1370State, NB_CHANNELS, 2,
831 vmstate_es1370_channel, struct chan),
832 VMSTATE_UINT32 (ctl, ES1370State),
833 VMSTATE_UINT32 (status, ES1370State),
834 VMSTATE_UINT32 (mempage, ES1370State),
835 VMSTATE_UINT32 (codec, ES1370State),
836 VMSTATE_UINT32 (sctl, ES1370State),
837 VMSTATE_END_OF_LIST ()
838 }
839};
840
841static void es1370_on_reset(DeviceState *dev)
842{
843 ES1370State *s = container_of(dev, ES1370State, dev.qdev);
844 es1370_reset (s);
845}
846
847static void es1370_realize(PCIDevice *dev, Error **errp)
848{
849 ES1370State *s = ES1370(dev);
850 uint8_t *c = s->dev.config;
851
852 c[PCI_STATUS + 1] = PCI_STATUS_DEVSEL_SLOW >> 8;
853
854#if 0
855 c[PCI_CAPABILITY_LIST] = 0xdc;
856 c[PCI_INTERRUPT_LINE] = 10;
857 c[0xdc] = 0x00;
858#endif
859
860 c[PCI_INTERRUPT_PIN] = 1;
861 c[PCI_MIN_GNT] = 0x0c;
862 c[PCI_MAX_LAT] = 0x80;
863
864 memory_region_init_io (&s->io, OBJECT(s), &es1370_io_ops, s, "es1370", 256);
865 pci_register_bar (&s->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io);
866
867 AUD_register_card ("es1370", &s->card);
868 es1370_reset (s);
869}
870
871static void es1370_exit(PCIDevice *dev)
872{
873 ES1370State *s = ES1370(dev);
874 int i;
875
876 for (i = 0; i < 2; ++i) {
877 AUD_close_out(&s->card, s->dac_voice[i]);
878 }
879
880 AUD_close_in(&s->card, s->adc_voice);
881 AUD_remove_card(&s->card);
882}
883
884static int es1370_init (PCIBus *bus)
885{
886 pci_create_simple (bus, -1, TYPE_ES1370);
887 return 0;
888}
889
890static void es1370_class_init (ObjectClass *klass, void *data)
891{
892 DeviceClass *dc = DEVICE_CLASS (klass);
893 PCIDeviceClass *k = PCI_DEVICE_CLASS (klass);
894
895 k->realize = es1370_realize;
896 k->exit = es1370_exit;
897 k->vendor_id = PCI_VENDOR_ID_ENSONIQ;
898 k->device_id = PCI_DEVICE_ID_ENSONIQ_ES1370;
899 k->class_id = PCI_CLASS_MULTIMEDIA_AUDIO;
900 k->subsystem_vendor_id = 0x4942;
901 k->subsystem_id = 0x4c4c;
902 set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
903 dc->desc = "ENSONIQ AudioPCI ES1370";
904 dc->vmsd = &vmstate_es1370;
905 dc->reset = es1370_on_reset;
906}
907
908static const TypeInfo es1370_info = {
909 .name = TYPE_ES1370,
910 .parent = TYPE_PCI_DEVICE,
911 .instance_size = sizeof (ES1370State),
912 .class_init = es1370_class_init,
913 .interfaces = (InterfaceInfo[]) {
914 { INTERFACE_CONVENTIONAL_PCI_DEVICE },
915 { },
916 },
917};
918
919static void es1370_register_types (void)
920{
921 type_register_static (&es1370_info);
922 pci_register_soundhw("es1370", "ENSONIQ AudioPCI ES1370", es1370_init);
923}
924
925type_init (es1370_register_types)
926
927
