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virtio-serial: Simplify virtio_serial_load()
[qemu.git] / hw / es1370.c
blob40cb48cbb8638431f639a7d50bfb4608cb00d5f0
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 "hw.h"
30 #include "audiodev.h"
31 #include "audio/audio.h"
32 #include "pci.h"
33
34 /* Missing stuff:
35 SCTRL_P[12](END|ST)INC
36 SCTRL_P1SCTRLD
37 SCTRL_P2DACSEN
38 CTRL_DAC_SYNC
39 MIDI
40 non looped mode
41 surely more
42 */
43
44 /*
45 Following macros and samplerate array were copied verbatim from
46 Linux kernel 2.4.30: drivers/sound/es1370.c
47
48 Copyright (C) 1998-2001, 2003 Thomas Sailer (t.sailer@alumni.ethz.ch)
49 */
50
51 /* Start blatant GPL violation */
52
53 #define ES1370_REG_CONTROL 0x00
54 #define ES1370_REG_STATUS 0x04
55 #define ES1370_REG_UART_DATA 0x08
56 #define ES1370_REG_UART_STATUS 0x09
57 #define ES1370_REG_UART_CONTROL 0x09
58 #define ES1370_REG_UART_TEST 0x0a
59 #define ES1370_REG_MEMPAGE 0x0c
60 #define ES1370_REG_CODEC 0x10
61 #define ES1370_REG_SERIAL_CONTROL 0x20
62 #define ES1370_REG_DAC1_SCOUNT 0x24
63 #define ES1370_REG_DAC2_SCOUNT 0x28
64 #define ES1370_REG_ADC_SCOUNT 0x2c
65
66 #define ES1370_REG_DAC1_FRAMEADR 0xc30
67 #define ES1370_REG_DAC1_FRAMECNT 0xc34
68 #define ES1370_REG_DAC2_FRAMEADR 0xc38
69 #define ES1370_REG_DAC2_FRAMECNT 0xc3c
70 #define ES1370_REG_ADC_FRAMEADR 0xd30
71 #define ES1370_REG_ADC_FRAMECNT 0xd34
72 #define ES1370_REG_PHANTOM_FRAMEADR 0xd38
73 #define ES1370_REG_PHANTOM_FRAMECNT 0xd3c
74
75 static const unsigned dac1_samplerate[] = { 5512, 11025, 22050, 44100 };
76
77 #define DAC2_SRTODIV(x) (((1411200+(x)/2)/(x))-2)
78 #define DAC2_DIVTOSR(x) (1411200/((x)+2))
79
80 #define CTRL_ADC_STOP 0x80000000 /* 1 = ADC stopped */
81 #define CTRL_XCTL1 0x40000000 /* electret mic bias */
82 #define CTRL_OPEN 0x20000000 /* no function, can be read and written */
83 #define CTRL_PCLKDIV 0x1fff0000 /* ADC/DAC2 clock divider */
84 #define CTRL_SH_PCLKDIV 16
85 #define CTRL_MSFMTSEL 0x00008000 /* MPEG serial data fmt: 0 = Sony, 1 = I2S */
86 #define CTRL_M_SBB 0x00004000 /* DAC2 clock: 0 = PCLKDIV, 1 = MPEG */
87 #define CTRL_WTSRSEL 0x00003000 /* DAC1 clock freq: 0=5512, 1=11025, 2=22050, 3=44100 */
88 #define CTRL_SH_WTSRSEL 12
89 #define CTRL_DAC_SYNC 0x00000800 /* 1 = DAC2 runs off DAC1 clock */
90 #define CTRL_CCB_INTRM 0x00000400 /* 1 = CCB "voice" ints enabled */
91 #define CTRL_M_CB 0x00000200 /* recording source: 0 = ADC, 1 = MPEG */
92 #define CTRL_XCTL0 0x00000100 /* 0 = Line in, 1 = Line out */
93 #define CTRL_BREQ 0x00000080 /* 1 = test mode (internal mem test) */
94 #define CTRL_DAC1_EN 0x00000040 /* enable DAC1 */
95 #define CTRL_DAC2_EN 0x00000020 /* enable DAC2 */
96 #define CTRL_ADC_EN 0x00000010 /* enable ADC */
97 #define CTRL_UART_EN 0x00000008 /* enable MIDI uart */
98 #define CTRL_JYSTK_EN 0x00000004 /* enable Joystick port (presumably at address 0x200) */
99 #define CTRL_CDC_EN 0x00000002 /* enable serial (CODEC) interface */
100 #define CTRL_SERR_DIS 0x00000001 /* 1 = disable PCI SERR signal */
101
102 #define STAT_INTR 0x80000000 /* wired or of all interrupt bits */
103 #define STAT_CSTAT 0x00000400 /* 1 = codec busy or codec write in progress */
104 #define STAT_CBUSY 0x00000200 /* 1 = codec busy */
105 #define STAT_CWRIP 0x00000100 /* 1 = codec write in progress */
106 #define STAT_VC 0x00000060 /* CCB int source, 0=DAC1, 1=DAC2, 2=ADC, 3=undef */
107 #define STAT_SH_VC 5
108 #define STAT_MCCB 0x00000010 /* CCB int pending */
109 #define STAT_UART 0x00000008 /* UART int pending */
110 #define STAT_DAC1 0x00000004 /* DAC1 int pending */
111 #define STAT_DAC2 0x00000002 /* DAC2 int pending */
112 #define STAT_ADC 0x00000001 /* ADC int pending */
113
114 #define USTAT_RXINT 0x80 /* UART rx int pending */
115 #define USTAT_TXINT 0x04 /* UART tx int pending */
116 #define USTAT_TXRDY 0x02 /* UART tx ready */
117 #define USTAT_RXRDY 0x01 /* UART rx ready */
118
119 #define UCTRL_RXINTEN 0x80 /* 1 = enable RX ints */
120 #define UCTRL_TXINTEN 0x60 /* TX int enable field mask */
121 #define UCTRL_ENA_TXINT 0x20 /* enable TX int */
122 #define UCTRL_CNTRL 0x03 /* control field */
123 #define UCTRL_CNTRL_SWR 0x03 /* software reset command */
124
125 #define SCTRL_P2ENDINC 0x00380000 /* */
126 #define SCTRL_SH_P2ENDINC 19
127 #define SCTRL_P2STINC 0x00070000 /* */
128 #define SCTRL_SH_P2STINC 16
129 #define SCTRL_R1LOOPSEL 0x00008000 /* 0 = loop mode */
130 #define SCTRL_P2LOOPSEL 0x00004000 /* 0 = loop mode */
131 #define SCTRL_P1LOOPSEL 0x00002000 /* 0 = loop mode */
132 #define SCTRL_P2PAUSE 0x00001000 /* 1 = pause mode */
133 #define SCTRL_P1PAUSE 0x00000800 /* 1 = pause mode */
134 #define SCTRL_R1INTEN 0x00000400 /* enable interrupt */
135 #define SCTRL_P2INTEN 0x00000200 /* enable interrupt */
136 #define SCTRL_P1INTEN 0x00000100 /* enable interrupt */
137 #define SCTRL_P1SCTRLD 0x00000080 /* reload sample count register for DAC1 */
138 #define SCTRL_P2DACSEN 0x00000040 /* 1 = DAC2 play back last sample when disabled */
139 #define SCTRL_R1SEB 0x00000020 /* 1 = 16bit */
140 #define SCTRL_R1SMB 0x00000010 /* 1 = stereo */
141 #define SCTRL_R1FMT 0x00000030 /* format mask */
142 #define SCTRL_SH_R1FMT 4
143 #define SCTRL_P2SEB 0x00000008 /* 1 = 16bit */
144 #define SCTRL_P2SMB 0x00000004 /* 1 = stereo */
145 #define SCTRL_P2FMT 0x0000000c /* format mask */
146 #define SCTRL_SH_P2FMT 2
147 #define SCTRL_P1SEB 0x00000002 /* 1 = 16bit */
148 #define SCTRL_P1SMB 0x00000001 /* 1 = stereo */
149 #define SCTRL_P1FMT 0x00000003 /* format mask */
150 #define SCTRL_SH_P1FMT 0
151
152 /* End blatant GPL violation */
153
154 #define NB_CHANNELS 3
155 #define DAC1_CHANNEL 0
156 #define DAC2_CHANNEL 1
157 #define ADC_CHANNEL 2
158
159 #define IO_READ_PROTO(n) \
160 static uint32_t n (void *opaque, uint32_t addr)
161 #define IO_WRITE_PROTO(n) \
162 static void n (void *opaque, uint32_t addr, uint32_t val)
163
164 static void es1370_dac1_callback (void *opaque, int free);
165 static void es1370_dac2_callback (void *opaque, int free);
166 static void es1370_adc_callback (void *opaque, int avail);
167
168 #ifdef DEBUG_ES1370
169
170 #define ldebug(...) AUD_log ("es1370", __VA_ARGS__)
171
172 static void print_ctl (uint32_t val)
173 {
174 char buf[1024];
175
176 buf[0] = '\0';
177 #define a(n) if (val & CTRL_##n) strcat (buf, " "#n)
178 a (ADC_STOP);
179 a (XCTL1);
180 a (OPEN);
181 a (MSFMTSEL);
182 a (M_SBB);
183 a (DAC_SYNC);
184 a (CCB_INTRM);
185 a (M_CB);
186 a (XCTL0);
187 a (BREQ);
188 a (DAC1_EN);
189 a (DAC2_EN);
190 a (ADC_EN);
191 a (UART_EN);
192 a (JYSTK_EN);
193 a (CDC_EN);
194 a (SERR_DIS);
195 #undef a
196 AUD_log ("es1370", "ctl - PCLKDIV %d(DAC2 freq %d), freq %d,%s\n",
197 (val & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV,
198 DAC2_DIVTOSR ((val & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV),
199 dac1_samplerate[(val & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL],
200 buf);
201 }
202
203 static void print_sctl (uint32_t val)
204 {
205 static const char *fmt_names[] = {"8M", "8S", "16M", "16S"};
206 char buf[1024];
207
208 buf[0] = '\0';
209
210 #define a(n) if (val & SCTRL_##n) strcat (buf, " "#n)
211 #define b(n) if (!(val & SCTRL_##n)) strcat (buf, " "#n)
212 b (R1LOOPSEL);
213 b (P2LOOPSEL);
214 b (P1LOOPSEL);
215 a (P2PAUSE);
216 a (P1PAUSE);
217 a (R1INTEN);
218 a (P2INTEN);
219 a (P1INTEN);
220 a (P1SCTRLD);
221 a (P2DACSEN);
222 if (buf[0]) {
223 strcat (buf, "\n ");
224 }
225 else {
226 buf[0] = ' ';
227 buf[1] = '\0';
228 }
229 #undef b
230 #undef a
231 AUD_log ("es1370",
232 "%s"
233 "p2_end_inc %d, p2_st_inc %d, r1_fmt %s, p2_fmt %s, p1_fmt %s\n",
234 buf,
235 (val & SCTRL_P2ENDINC) >> SCTRL_SH_P2ENDINC,
236 (val & SCTRL_P2STINC) >> SCTRL_SH_P2STINC,
237 fmt_names [(val >> SCTRL_SH_R1FMT) & 3],
238 fmt_names [(val >> SCTRL_SH_P2FMT) & 3],
239 fmt_names [(val >> SCTRL_SH_P1FMT) & 3]
240 );
241 }
242 #else
243 #define ldebug(...)
244 #define print_ctl(...)
245 #define print_sctl(...)
246 #endif
247
248 #ifdef VERBOSE_ES1370
249 #define dolog(...) AUD_log ("es1370", __VA_ARGS__)
250 #else
251 #define dolog(...)
252 #endif
253
254 #ifndef SILENT_ES1370
255 #define lwarn(...) AUD_log ("es1370: warning", __VA_ARGS__)
256 #else
257 #define lwarn(...)
258 #endif
259
260 struct chan {
261 uint32_t shift;
262 uint32_t leftover;
263 uint32_t scount;
264 uint32_t frame_addr;
265 uint32_t frame_cnt;
266 };
267
268 typedef struct ES1370State {
269 PCIDevice dev;
270 QEMUSoundCard card;
271 struct chan chan[NB_CHANNELS];
272 SWVoiceOut *dac_voice[2];
273 SWVoiceIn *adc_voice;
274
275 uint32_t ctl;
276 uint32_t status;
277 uint32_t mempage;
278 uint32_t codec;
279 uint32_t sctl;
280 } ES1370State;
281
282 struct chan_bits {
283 uint32_t ctl_en;
284 uint32_t stat_int;
285 uint32_t sctl_pause;
286 uint32_t sctl_inten;
287 uint32_t sctl_fmt;
288 uint32_t sctl_sh_fmt;
289 uint32_t sctl_loopsel;
290 void (*calc_freq) (ES1370State *s, uint32_t ctl,
291 uint32_t *old_freq, uint32_t *new_freq);
292 };
293
294 static void es1370_dac1_calc_freq (ES1370State *s, uint32_t ctl,
295 uint32_t *old_freq, uint32_t *new_freq);
296 static void es1370_dac2_and_adc_calc_freq (ES1370State *s, uint32_t ctl,
297 uint32_t *old_freq,
298 uint32_t *new_freq);
299
300 static const struct chan_bits es1370_chan_bits[] = {
301 {CTRL_DAC1_EN, STAT_DAC1, SCTRL_P1PAUSE, SCTRL_P1INTEN,
302 SCTRL_P1FMT, SCTRL_SH_P1FMT, SCTRL_P1LOOPSEL,
303 es1370_dac1_calc_freq},
304
305 {CTRL_DAC2_EN, STAT_DAC2, SCTRL_P2PAUSE, SCTRL_P2INTEN,
306 SCTRL_P2FMT, SCTRL_SH_P2FMT, SCTRL_P2LOOPSEL,
307 es1370_dac2_and_adc_calc_freq},
308
309 {CTRL_ADC_EN, STAT_ADC, 0, SCTRL_R1INTEN,
310 SCTRL_R1FMT, SCTRL_SH_R1FMT, SCTRL_R1LOOPSEL,
311 es1370_dac2_and_adc_calc_freq}
312 };
313
314 static void es1370_update_status (ES1370State *s, uint32_t new_status)
315 {
316 uint32_t level = new_status & (STAT_DAC1 | STAT_DAC2 | STAT_ADC);
317
318 if (level) {
319 s->status = new_status | STAT_INTR;
320 }
321 else {
322 s->status = new_status & ~STAT_INTR;
323 }
324 qemu_set_irq (s->dev.irq[0], !!level);
325 }
326
327 static void es1370_reset (ES1370State *s)
328 {
329 size_t i;
330
331 s->ctl = 1;
332 s->status = 0x60;
333 s->mempage = 0;
334 s->codec = 0;
335 s->sctl = 0;
336
337 for (i = 0; i < NB_CHANNELS; ++i) {
338 struct chan *d = &s->chan[i];
339 d->scount = 0;
340 d->leftover = 0;
341 if (i == ADC_CHANNEL) {
342 AUD_close_in (&s->card, s->adc_voice);
343 s->adc_voice = NULL;
344 }
345 else {
346 AUD_close_out (&s->card, s->dac_voice[i]);
347 s->dac_voice[i] = NULL;
348 }
349 }
350 qemu_irq_lower (s->dev.irq[0]);
351 }
352
353 static void es1370_maybe_lower_irq (ES1370State *s, uint32_t sctl)
354 {
355 uint32_t new_status = s->status;
356
357 if (!(sctl & SCTRL_P1INTEN) && (s->sctl & SCTRL_P1INTEN)) {
358 new_status &= ~STAT_DAC1;
359 }
360
361 if (!(sctl & SCTRL_P2INTEN) && (s->sctl & SCTRL_P2INTEN)) {
362 new_status &= ~STAT_DAC2;
363 }
364
365 if (!(sctl & SCTRL_R1INTEN) && (s->sctl & SCTRL_R1INTEN)) {
366 new_status &= ~STAT_ADC;
367 }
368
369 if (new_status != s->status) {
370 es1370_update_status (s, new_status);
371 }
372 }
373
374 static void es1370_dac1_calc_freq (ES1370State *s, uint32_t ctl,
375 uint32_t *old_freq, uint32_t *new_freq)
376
377 {
378 *old_freq = dac1_samplerate[(s->ctl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL];
379 *new_freq = dac1_samplerate[(ctl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL];
380 }
381
382 static void es1370_dac2_and_adc_calc_freq (ES1370State *s, uint32_t ctl,
383 uint32_t *old_freq,
384 uint32_t *new_freq)
385
386 {
387 uint32_t old_pclkdiv, new_pclkdiv;
388
389 new_pclkdiv = (ctl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV;
390 old_pclkdiv = (s->ctl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV;
391 *new_freq = DAC2_DIVTOSR (new_pclkdiv);
392 *old_freq = DAC2_DIVTOSR (old_pclkdiv);
393 }
394
395 static void es1370_update_voices (ES1370State *s, uint32_t ctl, uint32_t sctl)
396 {
397 size_t i;
398 uint32_t old_freq, new_freq, old_fmt, new_fmt;
399
400 for (i = 0; i < NB_CHANNELS; ++i) {
401 struct chan *d = &s->chan[i];
402 const struct chan_bits *b = &es1370_chan_bits[i];
403
404 new_fmt = (sctl & b->sctl_fmt) >> b->sctl_sh_fmt;
405 old_fmt = (s->sctl & b->sctl_fmt) >> b->sctl_sh_fmt;
406
407 b->calc_freq (s, ctl, &old_freq, &new_freq);
408
409 if ((old_fmt != new_fmt) || (old_freq != new_freq)) {
410 d->shift = (new_fmt & 1) + (new_fmt >> 1);
411 ldebug ("channel %d, freq = %d, nchannels %d, fmt %d, shift %d\n",
412 i,
413 new_freq,
414 1 << (new_fmt & 1),
415 (new_fmt & 2) ? AUD_FMT_S16 : AUD_FMT_U8,
416 d->shift);
417 if (new_freq) {
418 struct audsettings as;
419
420 as.freq = new_freq;
421 as.nchannels = 1 << (new_fmt & 1);
422 as.fmt = (new_fmt & 2) ? AUD_FMT_S16 : AUD_FMT_U8;
423 as.endianness = 0;
424
425 if (i == ADC_CHANNEL) {
426 s->adc_voice =
427 AUD_open_in (
428 &s->card,
429 s->adc_voice,
430 "es1370.adc",
431 s,
432 es1370_adc_callback,
433 &as
434 );
435 }
436 else {
437 s->dac_voice[i] =
438 AUD_open_out (
439 &s->card,
440 s->dac_voice[i],
441 i ? "es1370.dac2" : "es1370.dac1",
442 s,
443 i ? es1370_dac2_callback : es1370_dac1_callback,
444 &as
445 );
446 }
447 }
448 }
449
450 if (((ctl ^ s->ctl) & b->ctl_en)
451 || ((sctl ^ s->sctl) & b->sctl_pause)) {
452 int on = (ctl & b->ctl_en) && !(sctl & b->sctl_pause);
453
454 if (i == ADC_CHANNEL) {
455 AUD_set_active_in (s->adc_voice, on);
456 }
457 else {
458 AUD_set_active_out (s->dac_voice[i], on);
459 }
460 }
461 }
462
463 s->ctl = ctl;
464 s->sctl = sctl;
465 }
466
467 static inline uint32_t es1370_fixup (ES1370State *s, uint32_t addr)
468 {
469 addr &= 0xff;
470 if (addr >= 0x30 && addr <= 0x3f)
471 addr |= s->mempage << 8;
472 return addr;
473 }
474
475 IO_WRITE_PROTO (es1370_writeb)
476 {
477 ES1370State *s = opaque;
478 uint32_t shift, mask;
479
480 addr = es1370_fixup (s, addr);
481
482 switch (addr) {
483 case ES1370_REG_CONTROL:
484 case ES1370_REG_CONTROL + 1:
485 case ES1370_REG_CONTROL + 2:
486 case ES1370_REG_CONTROL + 3:
487 shift = (addr - ES1370_REG_CONTROL) << 3;
488 mask = 0xff << shift;
489 val = (s->ctl & ~mask) | ((val & 0xff) << shift);
490 es1370_update_voices (s, val, s->sctl);
491 print_ctl (val);
492 break;
493 case ES1370_REG_MEMPAGE:
494 s->mempage = val;
495 break;
496 case ES1370_REG_SERIAL_CONTROL:
497 case ES1370_REG_SERIAL_CONTROL + 1:
498 case ES1370_REG_SERIAL_CONTROL + 2:
499 case ES1370_REG_SERIAL_CONTROL + 3:
500 shift = (addr - ES1370_REG_SERIAL_CONTROL) << 3;
501 mask = 0xff << shift;
502 val = (s->sctl & ~mask) | ((val & 0xff) << shift);
503 es1370_maybe_lower_irq (s, val);
504 es1370_update_voices (s, s->ctl, val);
505 print_sctl (val);
506 break;
507 default:
508 lwarn ("writeb %#x <- %#x\n", addr, val);
509 break;
510 }
511 }
512
513 IO_WRITE_PROTO (es1370_writew)
514 {
515 ES1370State *s = opaque;
516 addr = es1370_fixup (s, addr);
517 uint32_t shift, mask;
518 struct chan *d = &s->chan[0];
519
520 switch (addr) {
521 case ES1370_REG_CODEC:
522 dolog ("ignored codec write address %#x, data %#x\n",
523 (val >> 8) & 0xff, val & 0xff);
524 s->codec = val;
525 break;
526
527 case ES1370_REG_CONTROL:
528 case ES1370_REG_CONTROL + 2:
529 shift = (addr != ES1370_REG_CONTROL) << 4;
530 mask = 0xffff << shift;
531 val = (s->ctl & ~mask) | ((val & 0xffff) << shift);
532 es1370_update_voices (s, val, s->sctl);
533 print_ctl (val);
534 break;
535
536 case ES1370_REG_ADC_SCOUNT:
537 d++;
538 case ES1370_REG_DAC2_SCOUNT:
539 d++;
540 case ES1370_REG_DAC1_SCOUNT:
541 d->scount = (d->scount & ~0xffff) | (val & 0xffff);
542 break;
543
544 default:
545 lwarn ("writew %#x <- %#x\n", addr, val);
546 break;
547 }
548 }
549
550 IO_WRITE_PROTO (es1370_writel)
551 {
552 ES1370State *s = opaque;
553 struct chan *d = &s->chan[0];
554
555 addr = es1370_fixup (s, addr);
556
557 switch (addr) {
558 case ES1370_REG_CONTROL:
559 es1370_update_voices (s, val, s->sctl);
560 print_ctl (val);
561 break;
562
563 case ES1370_REG_MEMPAGE:
564 s->mempage = val & 0xf;
565 break;
566
567 case ES1370_REG_SERIAL_CONTROL:
568 es1370_maybe_lower_irq (s, val);
569 es1370_update_voices (s, s->ctl, val);
570 print_sctl (val);
571 break;
572
573 case ES1370_REG_ADC_SCOUNT:
574 d++;
575 case ES1370_REG_DAC2_SCOUNT:
576 d++;
577 case ES1370_REG_DAC1_SCOUNT:
578 d->scount = (val & 0xffff) | (d->scount & ~0xffff);
579 ldebug ("chan %d CURR_SAMP_CT %d, SAMP_CT %d\n",
580 d - &s->chan[0], val >> 16, (val & 0xffff));
581 break;
582
583 case ES1370_REG_ADC_FRAMEADR:
584 d++;
585 case ES1370_REG_DAC2_FRAMEADR:
586 d++;
587 case ES1370_REG_DAC1_FRAMEADR:
588 d->frame_addr = val;
589 ldebug ("chan %d frame address %#x\n", d - &s->chan[0], val);
590 break;
591
592 case ES1370_REG_PHANTOM_FRAMECNT:
593 lwarn ("writing to phantom frame count %#x\n", val);
594 break;
595 case ES1370_REG_PHANTOM_FRAMEADR:
596 lwarn ("writing to phantom frame address %#x\n", val);
597 break;
598
599 case ES1370_REG_ADC_FRAMECNT:
600 d++;
601 case ES1370_REG_DAC2_FRAMECNT:
602 d++;
603 case ES1370_REG_DAC1_FRAMECNT:
604 d->frame_cnt = val;
605 d->leftover = 0;
606 ldebug ("chan %d frame count %d, buffer size %d\n",
607 d - &s->chan[0], val >> 16, val & 0xffff);
608 break;
609
610 default:
611 lwarn ("writel %#x <- %#x\n", addr, val);
612 break;
613 }
614 }
615
616 IO_READ_PROTO (es1370_readb)
617 {
618 ES1370State *s = opaque;
619 uint32_t val;
620
621 addr = es1370_fixup (s, addr);
622
623 switch (addr) {
624 case 0x1b: /* Legacy */
625 lwarn ("Attempt to read from legacy register\n");
626 val = 5;
627 break;
628 case ES1370_REG_MEMPAGE:
629 val = s->mempage;
630 break;
631 case ES1370_REG_CONTROL + 0:
632 case ES1370_REG_CONTROL + 1:
633 case ES1370_REG_CONTROL + 2:
634 case ES1370_REG_CONTROL + 3:
635 val = s->ctl >> ((addr - ES1370_REG_CONTROL) << 3);
636 break;
637 case ES1370_REG_STATUS + 0:
638 case ES1370_REG_STATUS + 1:
639 case ES1370_REG_STATUS + 2:
640 case ES1370_REG_STATUS + 3:
641 val = s->status >> ((addr - ES1370_REG_STATUS) << 3);
642 break;
643 default:
644 val = ~0;
645 lwarn ("readb %#x -> %#x\n", addr, val);
646 break;
647 }
648 return val;
649 }
650
651 IO_READ_PROTO (es1370_readw)
652 {
653 ES1370State *s = opaque;
654 struct chan *d = &s->chan[0];
655 uint32_t val;
656
657 addr = es1370_fixup (s, addr);
658
659 switch (addr) {
660 case ES1370_REG_ADC_SCOUNT + 2:
661 d++;
662 case ES1370_REG_DAC2_SCOUNT + 2:
663 d++;
664 case ES1370_REG_DAC1_SCOUNT + 2:
665 val = d->scount >> 16;
666 break;
667
668 case ES1370_REG_ADC_FRAMECNT:
669 d++;
670 case ES1370_REG_DAC2_FRAMECNT:
671 d++;
672 case ES1370_REG_DAC1_FRAMECNT:
673 val = d->frame_cnt & 0xffff;
674 break;
675
676 case ES1370_REG_ADC_FRAMECNT + 2:
677 d++;
678 case ES1370_REG_DAC2_FRAMECNT + 2:
679 d++;
680 case ES1370_REG_DAC1_FRAMECNT + 2:
681 val = d->frame_cnt >> 16;
682 break;
683
684 default:
685 val = ~0;
686 lwarn ("readw %#x -> %#x\n", addr, val);
687 break;
688 }
689
690 return val;
691 }
692
693 IO_READ_PROTO (es1370_readl)
694 {
695 ES1370State *s = opaque;
696 uint32_t val;
697 struct chan *d = &s->chan[0];
698
699 addr = es1370_fixup (s, addr);
700
701 switch (addr) {
702 case ES1370_REG_CONTROL:
703 val = s->ctl;
704 break;
705 case ES1370_REG_STATUS:
706 val = s->status;
707 break;
708 case ES1370_REG_MEMPAGE:
709 val = s->mempage;
710 break;
711 case ES1370_REG_CODEC:
712 val = s->codec;
713 break;
714 case ES1370_REG_SERIAL_CONTROL:
715 val = s->sctl;
716 break;
717
718 case ES1370_REG_ADC_SCOUNT:
719 d++;
720 case ES1370_REG_DAC2_SCOUNT:
721 d++;
722 case ES1370_REG_DAC1_SCOUNT:
723 val = d->scount;
724 #ifdef DEBUG_ES1370
725 {
726 uint32_t curr_count = d->scount >> 16;
727 uint32_t count = d->scount & 0xffff;
728
729 curr_count <<= d->shift;
730 count <<= d->shift;
731 dolog ("read scount curr %d, total %d\n", curr_count, count);
732 }
733 #endif
734 break;
735
736 case ES1370_REG_ADC_FRAMECNT:
737 d++;
738 case ES1370_REG_DAC2_FRAMECNT:
739 d++;
740 case ES1370_REG_DAC1_FRAMECNT:
741 val = d->frame_cnt;
742 #ifdef DEBUG_ES1370
743 {
744 uint32_t size = ((d->frame_cnt & 0xffff) + 1) << 2;
745 uint32_t curr = ((d->frame_cnt >> 16) + 1) << 2;
746 if (curr > size)
747 dolog ("read framecnt curr %d, size %d %d\n", curr, size,
748 curr > size);
749 }
750 #endif
751 break;
752
753 case ES1370_REG_ADC_FRAMEADR:
754 d++;
755 case ES1370_REG_DAC2_FRAMEADR:
756 d++;
757 case ES1370_REG_DAC1_FRAMEADR:
758 val = d->frame_addr;
759 break;
760
761 case ES1370_REG_PHANTOM_FRAMECNT:
762 val = ~0U;
763 lwarn ("reading from phantom frame count\n");
764 break;
765 case ES1370_REG_PHANTOM_FRAMEADR:
766 val = ~0U;
767 lwarn ("reading from phantom frame address\n");
768 break;
769
770 default:
771 val = ~0U;
772 lwarn ("readl %#x -> %#x\n", addr, val);
773 break;
774 }
775 return val;
776 }
777
778
779 static void es1370_transfer_audio (ES1370State *s, struct chan *d, int loop_sel,
780 int max, int *irq)
781 {
782 uint8_t tmpbuf[4096];
783 uint32_t addr = d->frame_addr;
784 int sc = d->scount & 0xffff;
785 int csc = d->scount >> 16;
786 int csc_bytes = (csc + 1) << d->shift;
787 int cnt = d->frame_cnt >> 16;
788 int size = d->frame_cnt & 0xffff;
789 int left = ((size - cnt + 1) << 2) + d->leftover;
790 int transfered = 0;
791 int temp = audio_MIN (max, audio_MIN (left, csc_bytes));
792 int index = d - &s->chan[0];
793
794 addr += (cnt << 2) + d->leftover;
795
796 if (index == ADC_CHANNEL) {
797 while (temp) {
798 int acquired, to_copy;
799
800 to_copy = audio_MIN ((size_t) temp, sizeof (tmpbuf));
801 acquired = AUD_read (s->adc_voice, tmpbuf, to_copy);
802 if (!acquired)
803 break;
804
805 cpu_physical_memory_write (addr, tmpbuf, acquired);
806
807 temp -= acquired;
808 addr += acquired;
809 transfered += acquired;
810 }
811 }
812 else {
813 SWVoiceOut *voice = s->dac_voice[index];
814
815 while (temp) {
816 int copied, to_copy;
817
818 to_copy = audio_MIN ((size_t) temp, sizeof (tmpbuf));
819 cpu_physical_memory_read (addr, tmpbuf, to_copy);
820 copied = AUD_write (voice, tmpbuf, to_copy);
821 if (!copied)
822 break;
823 temp -= copied;
824 addr += copied;
825 transfered += copied;
826 }
827 }
828
829 if (csc_bytes == transfered) {
830 *irq = 1;
831 d->scount = sc | (sc << 16);
832 ldebug ("sc = %d, rate = %f\n",
833 (sc + 1) << d->shift,
834 (sc + 1) / (double) 44100);
835 }
836 else {
837 *irq = 0;
838 d->scount = sc | (((csc_bytes - transfered - 1) >> d->shift) << 16);
839 }
840
841 cnt += (transfered + d->leftover) >> 2;
842
843 if (s->sctl & loop_sel) {
844 /* Bah, how stupid is that having a 0 represent true value?
845 i just spent few hours on this shit */
846 AUD_log ("es1370: warning", "non looping mode\n");
847 }
848 else {
849 d->frame_cnt = size;
850
851 if ((uint32_t) cnt <= d->frame_cnt)
852 d->frame_cnt |= cnt << 16;
853 }
854
855 d->leftover = (transfered + d->leftover) & 3;
856 }
857
858 static void es1370_run_channel (ES1370State *s, size_t chan, int free_or_avail)
859 {
860 uint32_t new_status = s->status;
861 int max_bytes, irq;
862 struct chan *d = &s->chan[chan];
863 const struct chan_bits *b = &es1370_chan_bits[chan];
864
865 if (!(s->ctl & b->ctl_en) || (s->sctl & b->sctl_pause)) {
866 return;
867 }
868
869 max_bytes = free_or_avail;
870 max_bytes &= ~((1 << d->shift) - 1);
871 if (!max_bytes) {
872 return;
873 }
874
875 es1370_transfer_audio (s, d, b->sctl_loopsel, max_bytes, &irq);
876
877 if (irq) {
878 if (s->sctl & b->sctl_inten) {
879 new_status |= b->stat_int;
880 }
881 }
882
883 if (new_status != s->status) {
884 es1370_update_status (s, new_status);
885 }
886 }
887
888 static void es1370_dac1_callback (void *opaque, int free)
889 {
890 ES1370State *s = opaque;
891
892 es1370_run_channel (s, DAC1_CHANNEL, free);
893 }
894
895 static void es1370_dac2_callback (void *opaque, int free)
896 {
897 ES1370State *s = opaque;
898
899 es1370_run_channel (s, DAC2_CHANNEL, free);
900 }
901
902 static void es1370_adc_callback (void *opaque, int avail)
903 {
904 ES1370State *s = opaque;
905
906 es1370_run_channel (s, ADC_CHANNEL, avail);
907 }
908
909 static void es1370_map (PCIDevice *pci_dev, int region_num,
910 pcibus_t addr, pcibus_t size, int type)
911 {
912 ES1370State *s = DO_UPCAST (ES1370State, dev, pci_dev);
913
914 (void) region_num;
915 (void) size;
916 (void) type;
917
918 register_ioport_write (addr, 0x40 * 4, 1, es1370_writeb, s);
919 register_ioport_write (addr, 0x40 * 2, 2, es1370_writew, s);
920 register_ioport_write (addr, 0x40, 4, es1370_writel, s);
921
922 register_ioport_read (addr, 0x40 * 4, 1, es1370_readb, s);
923 register_ioport_read (addr, 0x40 * 2, 2, es1370_readw, s);
924 register_ioport_read (addr, 0x40, 4, es1370_readl, s);
925 }
926
927 static const VMStateDescription vmstate_es1370_channel = {
928 .name = "es1370_channel",
929 .version_id = 2,
930 .minimum_version_id = 2,
931 .minimum_version_id_old = 2,
932 .fields = (VMStateField []) {
933 VMSTATE_UINT32(shift, struct chan),
934 VMSTATE_UINT32(leftover, struct chan),
935 VMSTATE_UINT32(scount, struct chan),
936 VMSTATE_UINT32(frame_addr, struct chan),
937 VMSTATE_UINT32(frame_cnt, struct chan),
938 VMSTATE_END_OF_LIST()
939 }
940 };
941
942 static int es1370_post_load (void *opaque, int version_id)
943 {
944 uint32_t ctl, sctl;
945 ES1370State *s = opaque;
946 size_t i;
947
948 for (i = 0; i < NB_CHANNELS; ++i) {
949 if (i == ADC_CHANNEL) {
950 if (s->adc_voice) {
951 AUD_close_in (&s->card, s->adc_voice);
952 s->adc_voice = NULL;
953 }
954 }
955 else {
956 if (s->dac_voice[i]) {
957 AUD_close_out (&s->card, s->dac_voice[i]);
958 s->dac_voice[i] = NULL;
959 }
960 }
961 }
962
963 ctl = s->ctl;
964 sctl = s->sctl;
965 s->ctl = 0;
966 s->sctl = 0;
967 es1370_update_voices (s, ctl, sctl);
968 return 0;
969 }
970
971 static const VMStateDescription vmstate_es1370 = {
972 .name = "es1370",
973 .version_id = 2,
974 .minimum_version_id = 2,
975 .minimum_version_id_old = 2,
976 .post_load = es1370_post_load,
977 .fields = (VMStateField []) {
978 VMSTATE_PCI_DEVICE(dev, ES1370State),
979 VMSTATE_STRUCT_ARRAY(chan, ES1370State, NB_CHANNELS, 2,
980 vmstate_es1370_channel, struct chan),
981 VMSTATE_UINT32(ctl, ES1370State),
982 VMSTATE_UINT32(status, ES1370State),
983 VMSTATE_UINT32(mempage, ES1370State),
984 VMSTATE_UINT32(codec, ES1370State),
985 VMSTATE_UINT32(sctl, ES1370State),
986 VMSTATE_END_OF_LIST()
987 }
988 };
989
990 static void es1370_on_reset (void *opaque)
991 {
992 ES1370State *s = opaque;
993 es1370_reset (s);
994 }
995
996 static int es1370_initfn (PCIDevice *dev)
997 {
998 ES1370State *s = DO_UPCAST (ES1370State, dev, dev);
999 uint8_t *c = s->dev.config;
1000
1001 pci_config_set_vendor_id (c, PCI_VENDOR_ID_ENSONIQ);
1002 pci_config_set_device_id (c, PCI_DEVICE_ID_ENSONIQ_ES1370);
1003 c[PCI_STATUS + 1] = PCI_STATUS_DEVSEL_SLOW >> 8;
1004 pci_config_set_class (c, PCI_CLASS_MULTIMEDIA_AUDIO);
1005
1006 #if 1
1007 c[PCI_SUBSYSTEM_VENDOR_ID] = 0x42;
1008 c[PCI_SUBSYSTEM_VENDOR_ID + 1] = 0x49;
1009 c[PCI_SUBSYSTEM_ID] = 0x4c;
1010 c[PCI_SUBSYSTEM_ID + 1] = 0x4c;
1011 #else
1012 c[PCI_SUBSYSTEM_VENDOR_ID] = 0x74;
1013 c[PCI_SUBSYSTEM_VENDOR_ID + 1] = 0x12;
1014 c[PCI_SUBSYSTEM_ID] = 0x71;
1015 c[PCI_SUBSYSTEM_ID + 1] = 0x13;
1016 c[PCI_CAPABILITY_LIST] = 0xdc;
1017 c[PCI_INTERRUPT_LINE] = 10;
1018 c[0xdc] = 0x00;
1019 #endif
1020
1021 /* TODO: RST# value should be 0. */
1022 c[PCI_INTERRUPT_PIN] = 1;
1023 c[PCI_MIN_GNT] = 0x0c;
1024 c[PCI_MAX_LAT] = 0x80;
1025
1026 pci_register_bar (&s->dev, 0, 256, PCI_BASE_ADDRESS_SPACE_IO, es1370_map);
1027 qemu_register_reset (es1370_on_reset, s);
1028
1029 AUD_register_card ("es1370", &s->card);
1030 es1370_reset (s);
1031 return 0;
1032 }
1033
1034 int es1370_init (PCIBus *bus)
1035 {
1036 pci_create_simple (bus, -1, "ES1370");
1037 return 0;
1038 }
1039
1040 static PCIDeviceInfo es1370_info = {
1041 .qdev.name = "ES1370",
1042 .qdev.desc = "ENSONIQ AudioPCI ES1370",
1043 .qdev.size = sizeof (ES1370State),
1044 .qdev.vmsd = &vmstate_es1370,
1045 .init = es1370_initfn,
1046 };
1047
1048 static void es1370_register (void)
1049 {
1050 pci_qdev_register (&es1370_info);
1051 }
1052 device_init (es1370_register);
1053
QEmu