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fix event fallout in grlib_apbuart.c
[qemu/aliguori.git] / hw / es1370.c
bloba9387d15cc25597321e0555e4c815a34a79674a4
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 MemoryRegion io;
272 struct chan chan[NB_CHANNELS];
273 SWVoiceOut *dac_voice[2];
274 SWVoiceIn *adc_voice;
275
276 uint32_t ctl;
277 uint32_t status;
278 uint32_t mempage;
279 uint32_t codec;
280 uint32_t sctl;
281 } ES1370State;
282
283 struct chan_bits {
284 uint32_t ctl_en;
285 uint32_t stat_int;
286 uint32_t sctl_pause;
287 uint32_t sctl_inten;
288 uint32_t sctl_fmt;
289 uint32_t sctl_sh_fmt;
290 uint32_t sctl_loopsel;
291 void (*calc_freq) (ES1370State *s, uint32_t ctl,
292 uint32_t *old_freq, uint32_t *new_freq);
293 };
294
295 static void es1370_dac1_calc_freq (ES1370State *s, uint32_t ctl,
296 uint32_t *old_freq, uint32_t *new_freq);
297 static void es1370_dac2_and_adc_calc_freq (ES1370State *s, uint32_t ctl,
298 uint32_t *old_freq,
299 uint32_t *new_freq);
300
301 static const struct chan_bits es1370_chan_bits[] = {
302 {CTRL_DAC1_EN, STAT_DAC1, SCTRL_P1PAUSE, SCTRL_P1INTEN,
303 SCTRL_P1FMT, SCTRL_SH_P1FMT, SCTRL_P1LOOPSEL,
304 es1370_dac1_calc_freq},
305
306 {CTRL_DAC2_EN, STAT_DAC2, SCTRL_P2PAUSE, SCTRL_P2INTEN,
307 SCTRL_P2FMT, SCTRL_SH_P2FMT, SCTRL_P2LOOPSEL,
308 es1370_dac2_and_adc_calc_freq},
309
310 {CTRL_ADC_EN, STAT_ADC, 0, SCTRL_R1INTEN,
311 SCTRL_R1FMT, SCTRL_SH_R1FMT, SCTRL_R1LOOPSEL,
312 es1370_dac2_and_adc_calc_freq}
313 };
314
315 static void es1370_update_status (ES1370State *s, uint32_t new_status)
316 {
317 uint32_t level = new_status & (STAT_DAC1 | STAT_DAC2 | STAT_ADC);
318
319 if (level) {
320 s->status = new_status | STAT_INTR;
321 }
322 else {
323 s->status = new_status & ~STAT_INTR;
324 }
325 qemu_set_irq (s->dev.irq[0], !!level);
326 }
327
328 static void es1370_reset (ES1370State *s)
329 {
330 size_t i;
331
332 s->ctl = 1;
333 s->status = 0x60;
334 s->mempage = 0;
335 s->codec = 0;
336 s->sctl = 0;
337
338 for (i = 0; i < NB_CHANNELS; ++i) {
339 struct chan *d = &s->chan[i];
340 d->scount = 0;
341 d->leftover = 0;
342 if (i == ADC_CHANNEL) {
343 AUD_close_in (&s->card, s->adc_voice);
344 s->adc_voice = NULL;
345 }
346 else {
347 AUD_close_out (&s->card, s->dac_voice[i]);
348 s->dac_voice[i] = NULL;
349 }
350 }
351 qemu_irq_lower (s->dev.irq[0]);
352 }
353
354 static void es1370_maybe_lower_irq (ES1370State *s, uint32_t sctl)
355 {
356 uint32_t new_status = s->status;
357
358 if (!(sctl & SCTRL_P1INTEN) && (s->sctl & SCTRL_P1INTEN)) {
359 new_status &= ~STAT_DAC1;
360 }
361
362 if (!(sctl & SCTRL_P2INTEN) && (s->sctl & SCTRL_P2INTEN)) {
363 new_status &= ~STAT_DAC2;
364 }
365
366 if (!(sctl & SCTRL_R1INTEN) && (s->sctl & SCTRL_R1INTEN)) {
367 new_status &= ~STAT_ADC;
368 }
369
370 if (new_status != s->status) {
371 es1370_update_status (s, new_status);
372 }
373 }
374
375 static void es1370_dac1_calc_freq (ES1370State *s, uint32_t ctl,
376 uint32_t *old_freq, uint32_t *new_freq)
377
378 {
379 *old_freq = dac1_samplerate[(s->ctl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL];
380 *new_freq = dac1_samplerate[(ctl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL];
381 }
382
383 static void es1370_dac2_and_adc_calc_freq (ES1370State *s, uint32_t ctl,
384 uint32_t *old_freq,
385 uint32_t *new_freq)
386
387 {
388 uint32_t old_pclkdiv, new_pclkdiv;
389
390 new_pclkdiv = (ctl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV;
391 old_pclkdiv = (s->ctl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV;
392 *new_freq = DAC2_DIVTOSR (new_pclkdiv);
393 *old_freq = DAC2_DIVTOSR (old_pclkdiv);
394 }
395
396 static void es1370_update_voices (ES1370State *s, uint32_t ctl, uint32_t sctl)
397 {
398 size_t i;
399 uint32_t old_freq, new_freq, old_fmt, new_fmt;
400
401 for (i = 0; i < NB_CHANNELS; ++i) {
402 struct chan *d = &s->chan[i];
403 const struct chan_bits *b = &es1370_chan_bits[i];
404
405 new_fmt = (sctl & b->sctl_fmt) >> b->sctl_sh_fmt;
406 old_fmt = (s->sctl & b->sctl_fmt) >> b->sctl_sh_fmt;
407
408 b->calc_freq (s, ctl, &old_freq, &new_freq);
409
410 if ((old_fmt != new_fmt) || (old_freq != new_freq)) {
411 d->shift = (new_fmt & 1) + (new_fmt >> 1);
412 ldebug ("channel %d, freq = %d, nchannels %d, fmt %d, shift %d\n",
413 i,
414 new_freq,
415 1 << (new_fmt & 1),
416 (new_fmt & 2) ? AUD_FMT_S16 : AUD_FMT_U8,
417 d->shift);
418 if (new_freq) {
419 struct audsettings as;
420
421 as.freq = new_freq;
422 as.nchannels = 1 << (new_fmt & 1);
423 as.fmt = (new_fmt & 2) ? AUD_FMT_S16 : AUD_FMT_U8;
424 as.endianness = 0;
425
426 if (i == ADC_CHANNEL) {
427 s->adc_voice =
428 AUD_open_in (
429 &s->card,
430 s->adc_voice,
431 "es1370.adc",
432 s,
433 es1370_adc_callback,
434 &as
435 );
436 }
437 else {
438 s->dac_voice[i] =
439 AUD_open_out (
440 &s->card,
441 s->dac_voice[i],
442 i ? "es1370.dac2" : "es1370.dac1",
443 s,
444 i ? es1370_dac2_callback : es1370_dac1_callback,
445 &as
446 );
447 }
448 }
449 }
450
451 if (((ctl ^ s->ctl) & b->ctl_en)
452 || ((sctl ^ s->sctl) & b->sctl_pause)) {
453 int on = (ctl & b->ctl_en) && !(sctl & b->sctl_pause);
454
455 if (i == ADC_CHANNEL) {
456 AUD_set_active_in (s->adc_voice, on);
457 }
458 else {
459 AUD_set_active_out (s->dac_voice[i], on);
460 }
461 }
462 }
463
464 s->ctl = ctl;
465 s->sctl = sctl;
466 }
467
468 static inline uint32_t es1370_fixup (ES1370State *s, uint32_t addr)
469 {
470 addr &= 0xff;
471 if (addr >= 0x30 && addr <= 0x3f)
472 addr |= s->mempage << 8;
473 return addr;
474 }
475
476 IO_WRITE_PROTO (es1370_writeb)
477 {
478 ES1370State *s = opaque;
479 uint32_t shift, mask;
480
481 addr = es1370_fixup (s, addr);
482
483 switch (addr) {
484 case ES1370_REG_CONTROL:
485 case ES1370_REG_CONTROL + 1:
486 case ES1370_REG_CONTROL + 2:
487 case ES1370_REG_CONTROL + 3:
488 shift = (addr - ES1370_REG_CONTROL) << 3;
489 mask = 0xff << shift;
490 val = (s->ctl & ~mask) | ((val & 0xff) << shift);
491 es1370_update_voices (s, val, s->sctl);
492 print_ctl (val);
493 break;
494 case ES1370_REG_MEMPAGE:
495 s->mempage = val;
496 break;
497 case ES1370_REG_SERIAL_CONTROL:
498 case ES1370_REG_SERIAL_CONTROL + 1:
499 case ES1370_REG_SERIAL_CONTROL + 2:
500 case ES1370_REG_SERIAL_CONTROL + 3:
501 shift = (addr - ES1370_REG_SERIAL_CONTROL) << 3;
502 mask = 0xff << shift;
503 val = (s->sctl & ~mask) | ((val & 0xff) << shift);
504 es1370_maybe_lower_irq (s, val);
505 es1370_update_voices (s, s->ctl, val);
506 print_sctl (val);
507 break;
508 default:
509 lwarn ("writeb %#x <- %#x\n", addr, val);
510 break;
511 }
512 }
513
514 IO_WRITE_PROTO (es1370_writew)
515 {
516 ES1370State *s = opaque;
517 addr = es1370_fixup (s, addr);
518 uint32_t shift, mask;
519 struct chan *d = &s->chan[0];
520
521 switch (addr) {
522 case ES1370_REG_CODEC:
523 dolog ("ignored codec write address %#x, data %#x\n",
524 (val >> 8) & 0xff, val & 0xff);
525 s->codec = val;
526 break;
527
528 case ES1370_REG_CONTROL:
529 case ES1370_REG_CONTROL + 2:
530 shift = (addr != ES1370_REG_CONTROL) << 4;
531 mask = 0xffff << shift;
532 val = (s->ctl & ~mask) | ((val & 0xffff) << shift);
533 es1370_update_voices (s, val, s->sctl);
534 print_ctl (val);
535 break;
536
537 case ES1370_REG_ADC_SCOUNT:
538 d++;
539 case ES1370_REG_DAC2_SCOUNT:
540 d++;
541 case ES1370_REG_DAC1_SCOUNT:
542 d->scount = (d->scount & ~0xffff) | (val & 0xffff);
543 break;
544
545 default:
546 lwarn ("writew %#x <- %#x\n", addr, val);
547 break;
548 }
549 }
550
551 IO_WRITE_PROTO (es1370_writel)
552 {
553 ES1370State *s = opaque;
554 struct chan *d = &s->chan[0];
555
556 addr = es1370_fixup (s, addr);
557
558 switch (addr) {
559 case ES1370_REG_CONTROL:
560 es1370_update_voices (s, val, s->sctl);
561 print_ctl (val);
562 break;
563
564 case ES1370_REG_MEMPAGE:
565 s->mempage = val & 0xf;
566 break;
567
568 case ES1370_REG_SERIAL_CONTROL:
569 es1370_maybe_lower_irq (s, val);
570 es1370_update_voices (s, s->ctl, val);
571 print_sctl (val);
572 break;
573
574 case ES1370_REG_ADC_SCOUNT:
575 d++;
576 case ES1370_REG_DAC2_SCOUNT:
577 d++;
578 case ES1370_REG_DAC1_SCOUNT:
579 d->scount = (val & 0xffff) | (d->scount & ~0xffff);
580 ldebug ("chan %d CURR_SAMP_CT %d, SAMP_CT %d\n",
581 d - &s->chan[0], val >> 16, (val & 0xffff));
582 break;
583
584 case ES1370_REG_ADC_FRAMEADR:
585 d++;
586 case ES1370_REG_DAC2_FRAMEADR:
587 d++;
588 case ES1370_REG_DAC1_FRAMEADR:
589 d->frame_addr = val;
590 ldebug ("chan %d frame address %#x\n", d - &s->chan[0], val);
591 break;
592
593 case ES1370_REG_PHANTOM_FRAMECNT:
594 lwarn ("writing to phantom frame count %#x\n", val);
595 break;
596 case ES1370_REG_PHANTOM_FRAMEADR:
597 lwarn ("writing to phantom frame address %#x\n", val);
598 break;
599
600 case ES1370_REG_ADC_FRAMECNT:
601 d++;
602 case ES1370_REG_DAC2_FRAMECNT:
603 d++;
604 case ES1370_REG_DAC1_FRAMECNT:
605 d->frame_cnt = val;
606 d->leftover = 0;
607 ldebug ("chan %d frame count %d, buffer size %d\n",
608 d - &s->chan[0], val >> 16, val & 0xffff);
609 break;
610
611 default:
612 lwarn ("writel %#x <- %#x\n", addr, val);
613 break;
614 }
615 }
616
617 IO_READ_PROTO (es1370_readb)
618 {
619 ES1370State *s = opaque;
620 uint32_t val;
621
622 addr = es1370_fixup (s, addr);
623
624 switch (addr) {
625 case 0x1b: /* Legacy */
626 lwarn ("Attempt to read from legacy register\n");
627 val = 5;
628 break;
629 case ES1370_REG_MEMPAGE:
630 val = s->mempage;
631 break;
632 case ES1370_REG_CONTROL + 0:
633 case ES1370_REG_CONTROL + 1:
634 case ES1370_REG_CONTROL + 2:
635 case ES1370_REG_CONTROL + 3:
636 val = s->ctl >> ((addr - ES1370_REG_CONTROL) << 3);
637 break;
638 case ES1370_REG_STATUS + 0:
639 case ES1370_REG_STATUS + 1:
640 case ES1370_REG_STATUS + 2:
641 case ES1370_REG_STATUS + 3:
642 val = s->status >> ((addr - ES1370_REG_STATUS) << 3);
643 break;
644 default:
645 val = ~0;
646 lwarn ("readb %#x -> %#x\n", addr, val);
647 break;
648 }
649 return val;
650 }
651
652 IO_READ_PROTO (es1370_readw)
653 {
654 ES1370State *s = opaque;
655 struct chan *d = &s->chan[0];
656 uint32_t val;
657
658 addr = es1370_fixup (s, addr);
659
660 switch (addr) {
661 case ES1370_REG_ADC_SCOUNT + 2:
662 d++;
663 case ES1370_REG_DAC2_SCOUNT + 2:
664 d++;
665 case ES1370_REG_DAC1_SCOUNT + 2:
666 val = d->scount >> 16;
667 break;
668
669 case ES1370_REG_ADC_FRAMECNT:
670 d++;
671 case ES1370_REG_DAC2_FRAMECNT:
672 d++;
673 case ES1370_REG_DAC1_FRAMECNT:
674 val = d->frame_cnt & 0xffff;
675 break;
676
677 case ES1370_REG_ADC_FRAMECNT + 2:
678 d++;
679 case ES1370_REG_DAC2_FRAMECNT + 2:
680 d++;
681 case ES1370_REG_DAC1_FRAMECNT + 2:
682 val = d->frame_cnt >> 16;
683 break;
684
685 default:
686 val = ~0;
687 lwarn ("readw %#x -> %#x\n", addr, val);
688 break;
689 }
690
691 return val;
692 }
693
694 IO_READ_PROTO (es1370_readl)
695 {
696 ES1370State *s = opaque;
697 uint32_t val;
698 struct chan *d = &s->chan[0];
699
700 addr = es1370_fixup (s, addr);
701
702 switch (addr) {
703 case ES1370_REG_CONTROL:
704 val = s->ctl;
705 break;
706 case ES1370_REG_STATUS:
707 val = s->status;
708 break;
709 case ES1370_REG_MEMPAGE:
710 val = s->mempage;
711 break;
712 case ES1370_REG_CODEC:
713 val = s->codec;
714 break;
715 case ES1370_REG_SERIAL_CONTROL:
716 val = s->sctl;
717 break;
718
719 case ES1370_REG_ADC_SCOUNT:
720 d++;
721 case ES1370_REG_DAC2_SCOUNT:
722 d++;
723 case ES1370_REG_DAC1_SCOUNT:
724 val = d->scount;
725 #ifdef DEBUG_ES1370
726 {
727 uint32_t curr_count = d->scount >> 16;
728 uint32_t count = d->scount & 0xffff;
729
730 curr_count <<= d->shift;
731 count <<= d->shift;
732 dolog ("read scount curr %d, total %d\n", curr_count, count);
733 }
734 #endif
735 break;
736
737 case ES1370_REG_ADC_FRAMECNT:
738 d++;
739 case ES1370_REG_DAC2_FRAMECNT:
740 d++;
741 case ES1370_REG_DAC1_FRAMECNT:
742 val = d->frame_cnt;
743 #ifdef DEBUG_ES1370
744 {
745 uint32_t size = ((d->frame_cnt & 0xffff) + 1) << 2;
746 uint32_t curr = ((d->frame_cnt >> 16) + 1) << 2;
747 if (curr > size)
748 dolog ("read framecnt curr %d, size %d %d\n", curr, size,
749 curr > size);
750 }
751 #endif
752 break;
753
754 case ES1370_REG_ADC_FRAMEADR:
755 d++;
756 case ES1370_REG_DAC2_FRAMEADR:
757 d++;
758 case ES1370_REG_DAC1_FRAMEADR:
759 val = d->frame_addr;
760 break;
761
762 case ES1370_REG_PHANTOM_FRAMECNT:
763 val = ~0U;
764 lwarn ("reading from phantom frame count\n");
765 break;
766 case ES1370_REG_PHANTOM_FRAMEADR:
767 val = ~0U;
768 lwarn ("reading from phantom frame address\n");
769 break;
770
771 default:
772 val = ~0U;
773 lwarn ("readl %#x -> %#x\n", addr, val);
774 break;
775 }
776 return val;
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 const MemoryRegionPortio es1370_portio[] = {
910 { 0, 0x40 * 4, 1, .write = es1370_writeb, },
911 { 0, 0x40 * 2, 2, .write = es1370_writew, },
912 { 0, 0x40, 4, .write = es1370_writel, },
913 { 0, 0x40 * 4, 1, .read = es1370_readb, },
914 { 0, 0x40 * 2, 2, .read = es1370_readw, },
915 { 0, 0x40, 4, .read = es1370_readl, },
916 PORTIO_END_OF_LIST()
917 };
918
919 static const MemoryRegionOps es1370_io_ops = {
920 .old_portio = es1370_portio,
921 .endianness = DEVICE_LITTLE_ENDIAN,
922 };
923
924 static const VMStateDescription vmstate_es1370_channel = {
925 .name = "es1370_channel",
926 .version_id = 2,
927 .minimum_version_id = 2,
928 .minimum_version_id_old = 2,
929 .fields = (VMStateField []) {
930 VMSTATE_UINT32(shift, struct chan),
931 VMSTATE_UINT32(leftover, struct chan),
932 VMSTATE_UINT32(scount, struct chan),
933 VMSTATE_UINT32(frame_addr, struct chan),
934 VMSTATE_UINT32(frame_cnt, struct chan),
935 VMSTATE_END_OF_LIST()
936 }
937 };
938
939 static int es1370_post_load (void *opaque, int version_id)
940 {
941 uint32_t ctl, sctl;
942 ES1370State *s = opaque;
943 size_t i;
944
945 for (i = 0; i < NB_CHANNELS; ++i) {
946 if (i == ADC_CHANNEL) {
947 if (s->adc_voice) {
948 AUD_close_in (&s->card, s->adc_voice);
949 s->adc_voice = NULL;
950 }
951 }
952 else {
953 if (s->dac_voice[i]) {
954 AUD_close_out (&s->card, s->dac_voice[i]);
955 s->dac_voice[i] = NULL;
956 }
957 }
958 }
959
960 ctl = s->ctl;
961 sctl = s->sctl;
962 s->ctl = 0;
963 s->sctl = 0;
964 es1370_update_voices (s, ctl, sctl);
965 return 0;
966 }
967
968 static const VMStateDescription vmstate_es1370 = {
969 .name = "es1370",
970 .version_id = 2,
971 .minimum_version_id = 2,
972 .minimum_version_id_old = 2,
973 .post_load = es1370_post_load,
974 .fields = (VMStateField []) {
975 VMSTATE_PCI_DEVICE(dev, ES1370State),
976 VMSTATE_STRUCT_ARRAY(chan, ES1370State, NB_CHANNELS, 2,
977 vmstate_es1370_channel, struct chan),
978 VMSTATE_UINT32(ctl, ES1370State),
979 VMSTATE_UINT32(status, ES1370State),
980 VMSTATE_UINT32(mempage, ES1370State),
981 VMSTATE_UINT32(codec, ES1370State),
982 VMSTATE_UINT32(sctl, ES1370State),
983 VMSTATE_END_OF_LIST()
984 }
985 };
986
987 static void es1370_on_reset (void *opaque)
988 {
989 ES1370State *s = opaque;
990 es1370_reset (s);
991 }
992
993 static int es1370_initfn (PCIDevice *dev)
994 {
995 ES1370State *s = DO_UPCAST (ES1370State, dev, dev);
996 uint8_t *c = s->dev.config;
997
998 c[PCI_STATUS + 1] = PCI_STATUS_DEVSEL_SLOW >> 8;
999
1000 #if 0
1001 c[PCI_CAPABILITY_LIST] = 0xdc;
1002 c[PCI_INTERRUPT_LINE] = 10;
1003 c[0xdc] = 0x00;
1004 #endif
1005
1006 /* TODO: RST# value should be 0. */
1007 c[PCI_INTERRUPT_PIN] = 1;
1008 c[PCI_MIN_GNT] = 0x0c;
1009 c[PCI_MAX_LAT] = 0x80;
1010
1011 memory_region_init_io (&s->io, &es1370_io_ops, s, "es1370", 256);
1012 pci_register_bar (&s->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io);
1013 qemu_register_reset (es1370_on_reset, s);
1014
1015 AUD_register_card ("es1370", &s->card);
1016 es1370_reset (s);
1017 return 0;
1018 }
1019
1020 static int es1370_exitfn(PCIDevice *dev)
1021 {
1022 ES1370State *s = DO_UPCAST (ES1370State, dev, dev);
1023
1024 memory_region_destroy (&s->io);
1025 return 0;
1026 }
1027
1028 int es1370_init (PCIBus *bus)
1029 {
1030 pci_create_simple (bus, -1, "ES1370");
1031 return 0;
1032 }
1033
1034 static PCIDeviceInfo es1370_info = {
1035 .qdev.name = "ES1370",
1036 .qdev.desc = "ENSONIQ AudioPCI ES1370",
1037 .qdev.size = sizeof (ES1370State),
1038 .qdev.vmsd = &vmstate_es1370,
1039 .init = es1370_initfn,
1040 .exit = es1370_exitfn,
1041 .vendor_id = PCI_VENDOR_ID_ENSONIQ,
1042 .device_id = PCI_DEVICE_ID_ENSONIQ_ES1370,
1043 .class_id = PCI_CLASS_MULTIMEDIA_AUDIO,
1044 #if 1
1045 .subsystem_vendor_id = 0x4942,
1046 .subsystem_id = 0x4c4c,
1047 #else
1048 .subsystem_vendor_id = 0x1274,
1049 .subsystem_id = 0x1371,
1050 #endif
1051 };
1052
1053 static void es1370_register (void)
1054 {
1055 pci_qdev_register (&es1370_info);
1056 }
1057 device_init (es1370_register);
1058
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