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dma/xlnx-zdma: Remove redundant statement in zdma_write_dst()
[qemu/ar7.git] / hw / audio / es1370.c
blob89c4dabcd44fb2d7782e3cabc51d911426a4e0cc
1 /*
2 * QEMU ES1370 emulation
3 *
4 * Copyright (c) 2005 Vassili Karpov (malc)
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 /* #define DEBUG_ES1370 */
26 /* #define VERBOSE_ES1370 */
27 #define SILENT_ES1370
28
29 #include "qemu/osdep.h"
30 #include "hw/audio/soundhw.h"
31 #include "audio/audio.h"
32 #include "hw/pci/pci.h"
33 #include "migration/vmstate.h"
34 #include "qemu/module.h"
35 #include "sysemu/dma.h"
36
37 /* Missing stuff:
38 SCTRL_P[12](END|ST)INC
39 SCTRL_P1SCTRLD
40 SCTRL_P2DACSEN
41 CTRL_DAC_SYNC
42 MIDI
43 non looped mode
44 surely more
45 */
46
47 /*
48 Following macros and samplerate array were copied verbatim from
49 Linux kernel 2.4.30: drivers/sound/es1370.c
50
51 Copyright (C) 1998-2001, 2003 Thomas Sailer (t.sailer@alumni.ethz.ch)
52 */
53
54 /* Start blatant GPL violation */
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
78 static 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 /* 1 = ADC stopped */
84 #define CTRL_XCTL1 0x40000000 /* electret mic bias */
85 #define CTRL_OPEN 0x20000000 /* no function, can be read and written */
86 #define CTRL_PCLKDIV 0x1fff0000 /* ADC/DAC2 clock divider */
87 #define CTRL_SH_PCLKDIV 16
88 #define CTRL_MSFMTSEL 0x00008000 /* MPEG serial data fmt: 0 = Sony, 1 = I2S */
89 #define CTRL_M_SBB 0x00004000 /* DAC2 clock: 0 = PCLKDIV, 1 = MPEG */
90 #define CTRL_WTSRSEL 0x00003000 /* DAC1 clock freq: 0=5512, 1=11025, 2=22050, 3=44100 */
91 #define CTRL_SH_WTSRSEL 12
92 #define CTRL_DAC_SYNC 0x00000800 /* 1 = DAC2 runs off DAC1 clock */
93 #define CTRL_CCB_INTRM 0x00000400 /* 1 = CCB "voice" ints enabled */
94 #define CTRL_M_CB 0x00000200 /* recording source: 0 = ADC, 1 = MPEG */
95 #define CTRL_XCTL0 0x00000100 /* 0 = Line in, 1 = Line out */
96 #define CTRL_BREQ 0x00000080 /* 1 = test mode (internal mem test) */
97 #define CTRL_DAC1_EN 0x00000040 /* enable DAC1 */
98 #define CTRL_DAC2_EN 0x00000020 /* enable DAC2 */
99 #define CTRL_ADC_EN 0x00000010 /* enable ADC */
100 #define CTRL_UART_EN 0x00000008 /* enable MIDI uart */
101 #define CTRL_JYSTK_EN 0x00000004 /* enable Joystick port (presumably at address 0x200) */
102 #define CTRL_CDC_EN 0x00000002 /* enable serial (CODEC) interface */
103 #define CTRL_SERR_DIS 0x00000001 /* 1 = disable PCI SERR signal */
104
105 #define STAT_INTR 0x80000000 /* wired or of all interrupt bits */
106 #define STAT_CSTAT 0x00000400 /* 1 = codec busy or codec write in progress */
107 #define STAT_CBUSY 0x00000200 /* 1 = codec busy */
108 #define STAT_CWRIP 0x00000100 /* 1 = codec write in progress */
109 #define STAT_VC 0x00000060 /* CCB int source, 0=DAC1, 1=DAC2, 2=ADC, 3=undef */
110 #define STAT_SH_VC 5
111 #define STAT_MCCB 0x00000010 /* CCB int pending */
112 #define STAT_UART 0x00000008 /* UART int pending */
113 #define STAT_DAC1 0x00000004 /* DAC1 int pending */
114 #define STAT_DAC2 0x00000002 /* DAC2 int pending */
115 #define STAT_ADC 0x00000001 /* ADC int pending */
116
117 #define USTAT_RXINT 0x80 /* UART rx int pending */
118 #define USTAT_TXINT 0x04 /* UART tx int pending */
119 #define USTAT_TXRDY 0x02 /* UART tx ready */
120 #define USTAT_RXRDY 0x01 /* UART rx ready */
121
122 #define UCTRL_RXINTEN 0x80 /* 1 = enable RX ints */
123 #define UCTRL_TXINTEN 0x60 /* TX int enable field mask */
124 #define UCTRL_ENA_TXINT 0x20 /* enable TX int */
125 #define UCTRL_CNTRL 0x03 /* control field */
126 #define UCTRL_CNTRL_SWR 0x03 /* software reset command */
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 /* 0 = loop mode */
133 #define SCTRL_P2LOOPSEL 0x00004000 /* 0 = loop mode */
134 #define SCTRL_P1LOOPSEL 0x00002000 /* 0 = loop mode */
135 #define SCTRL_P2PAUSE 0x00001000 /* 1 = pause mode */
136 #define SCTRL_P1PAUSE 0x00000800 /* 1 = pause mode */
137 #define SCTRL_R1INTEN 0x00000400 /* enable interrupt */
138 #define SCTRL_P2INTEN 0x00000200 /* enable interrupt */
139 #define SCTRL_P1INTEN 0x00000100 /* enable interrupt */
140 #define SCTRL_P1SCTRLD 0x00000080 /* reload sample count register for DAC1 */
141 #define SCTRL_P2DACSEN 0x00000040 /* 1 = DAC2 play back last sample when disabled */
142 #define SCTRL_R1SEB 0x00000020 /* 1 = 16bit */
143 #define SCTRL_R1SMB 0x00000010 /* 1 = stereo */
144 #define SCTRL_R1FMT 0x00000030 /* format mask */
145 #define SCTRL_SH_R1FMT 4
146 #define SCTRL_P2SEB 0x00000008 /* 1 = 16bit */
147 #define SCTRL_P2SMB 0x00000004 /* 1 = stereo */
148 #define SCTRL_P2FMT 0x0000000c /* format mask */
149 #define SCTRL_SH_P2FMT 2
150 #define SCTRL_P1SEB 0x00000002 /* 1 = 16bit */
151 #define SCTRL_P1SMB 0x00000001 /* 1 = stereo */
152 #define SCTRL_P1FMT 0x00000003 /* format mask */
153 #define SCTRL_SH_P1FMT 0
154
155 /* End blatant GPL violation */
156
157 #define NB_CHANNELS 3
158 #define DAC1_CHANNEL 0
159 #define DAC2_CHANNEL 1
160 #define ADC_CHANNEL 2
161
162 static void es1370_dac1_callback (void *opaque, int free);
163 static void es1370_dac2_callback (void *opaque, int free);
164 static void es1370_adc_callback (void *opaque, int avail);
165
166 #ifdef DEBUG_ES1370
167
168 #define ldebug(...) AUD_log ("es1370", __VA_ARGS__)
169
170 static 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
201 static 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
258 struct 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
266 typedef 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
281 struct 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
297 static void es1370_dac1_calc_freq (ES1370State *s, uint32_t ctl,
298 uint32_t *old_freq, uint32_t *new_freq);
299 static void es1370_dac2_and_adc_calc_freq (ES1370State *s, uint32_t ctl,
300 uint32_t *old_freq,
301 uint32_t *new_freq);
302
303 static 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
317 static 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
330 static 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
356 static 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
377 static 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
385 static 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
398 static 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
470 static 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
478 static 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
547 static 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
636 static 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 = MIN (max, 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 = 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 = 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 /* Bah, how stupid is that having a 0 represent true value?
702 i just spent few hours on this shit */
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
715 static 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
745 static void es1370_dac1_callback (void *opaque, int free)
746 {
747 ES1370State *s = opaque;
748
749 es1370_run_channel (s, DAC1_CHANNEL, free);
750 }
751
752 static void es1370_dac2_callback (void *opaque, int free)
753 {
754 ES1370State *s = opaque;
755
756 es1370_run_channel (s, DAC2_CHANNEL, free);
757 }
758
759 static void es1370_adc_callback (void *opaque, int avail)
760 {
761 ES1370State *s = opaque;
762
763 es1370_run_channel (s, ADC_CHANNEL, avail);
764 }
765
766 static 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
780 static 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
794 static 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
823 static 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
841 static void es1370_on_reset(DeviceState *dev)
842 {
843 ES1370State *s = container_of(dev, ES1370State, dev.qdev);
844 es1370_reset (s);
845 }
846
847 static 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
871 static 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
884 static int es1370_init (PCIBus *bus)
885 {
886 pci_create_simple (bus, -1, TYPE_ES1370);
887 return 0;
888 }
889
890 static Property es1370_properties[] = {
891 DEFINE_AUDIO_PROPERTIES(ES1370State, card),
892 DEFINE_PROP_END_OF_LIST(),
893 };
894
895 static void es1370_class_init (ObjectClass *klass, void *data)
896 {
897 DeviceClass *dc = DEVICE_CLASS (klass);
898 PCIDeviceClass *k = PCI_DEVICE_CLASS (klass);
899
900 k->realize = es1370_realize;
901 k->exit = es1370_exit;
902 k->vendor_id = PCI_VENDOR_ID_ENSONIQ;
903 k->device_id = PCI_DEVICE_ID_ENSONIQ_ES1370;
904 k->class_id = PCI_CLASS_MULTIMEDIA_AUDIO;
905 k->subsystem_vendor_id = 0x4942;
906 k->subsystem_id = 0x4c4c;
907 set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
908 dc->desc = "ENSONIQ AudioPCI ES1370";
909 dc->vmsd = &vmstate_es1370;
910 dc->reset = es1370_on_reset;
911 device_class_set_props(dc, es1370_properties);
912 }
913
914 static const TypeInfo es1370_info = {
915 .name = TYPE_ES1370,
916 .parent = TYPE_PCI_DEVICE,
917 .instance_size = sizeof (ES1370State),
918 .class_init = es1370_class_init,
919 .interfaces = (InterfaceInfo[]) {
920 { INTERFACE_CONVENTIONAL_PCI_DEVICE },
921 { },
922 },
923 };
924
925 static void es1370_register_types (void)
926 {
927 type_register_static (&es1370_info);
928 pci_register_soundhw("es1370", "ENSONIQ AudioPCI ES1370", es1370_init);
929 }
930
931 type_init (es1370_register_types)
AR7 emulation for QEMU