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 0
26 #define VERBOSE_ES1370 0
27
28 #include "qemu/osdep.h"
29 #include "hw/audio/soundhw.h"
30 #include "audio/audio.h"
31 #include "hw/pci/pci_device.h"
32 #include "migration/vmstate.h"
33 #include "qemu/cutils.h"
34 #include "qemu/module.h"
35 #include "sysemu/dma.h"
36 #include "qom/object.h"
37 #include "trace.h"
38
39 /* Missing stuff:
40 SCTRL_P[12](END|ST)INC
41 SCTRL_P1SCTRLD
42 SCTRL_P2DACSEN
43 CTRL_DAC_SYNC
44 MIDI
45 non looped mode
46 surely more
47 */
48
49 /*
50 Following macros and samplerate array were copied verbatim from
51 Linux kernel 2.4.30: drivers/sound/es1370.c
52
53 Copyright (C) 1998-2001, 2003 Thomas Sailer (t.sailer@alumni.ethz.ch)
54 */
55
56 /* Start blatant GPL violation */
57
58 #define ES1370_REG_CONTROL 0x00
59 #define ES1370_REG_STATUS 0x04
60 #define ES1370_REG_UART_DATA 0x08
61 #define ES1370_REG_UART_STATUS 0x09
62 #define ES1370_REG_UART_CONTROL 0x09
63 #define ES1370_REG_UART_TEST 0x0a
64 #define ES1370_REG_MEMPAGE 0x0c
65 #define ES1370_REG_CODEC 0x10
66 #define ES1370_REG_SERIAL_CONTROL 0x20
67 #define ES1370_REG_DAC1_SCOUNT 0x24
68 #define ES1370_REG_DAC2_SCOUNT 0x28
69 #define ES1370_REG_ADC_SCOUNT 0x2c
70
71 #define ES1370_REG_DAC1_FRAMEADR 0xc30
72 #define ES1370_REG_DAC1_FRAMECNT 0xc34
73 #define ES1370_REG_DAC2_FRAMEADR 0xc38
74 #define ES1370_REG_DAC2_FRAMECNT 0xc3c
75 #define ES1370_REG_ADC_FRAMEADR 0xd30
76 #define ES1370_REG_ADC_FRAMECNT 0xd34
77 #define ES1370_REG_PHANTOM_FRAMEADR 0xd38
78 #define ES1370_REG_PHANTOM_FRAMECNT 0xd3c
79
80 static const unsigned dac1_samplerate[] = { 5512, 11025, 22050, 44100 };
81
82 #define DAC2_SRTODIV(x) (((1411200+(x)/2)/(x))-2)
83 #define DAC2_DIVTOSR(x) (1411200/((x)+2))
84
85 #define CTRL_ADC_STOP 0x80000000 /* 1 = ADC stopped */
86 #define CTRL_XCTL1 0x40000000 /* electret mic bias */
87 #define CTRL_OPEN 0x20000000 /* no function, can be read and written */
88 #define CTRL_PCLKDIV 0x1fff0000 /* ADC/DAC2 clock divider */
89 #define CTRL_SH_PCLKDIV 16
90 #define CTRL_MSFMTSEL 0x00008000 /* MPEG serial data fmt: 0 = Sony, 1 = I2S */
91 #define CTRL_M_SBB 0x00004000 /* DAC2 clock: 0 = PCLKDIV, 1 = MPEG */
92 #define CTRL_WTSRSEL 0x00003000 /* DAC1 clock freq: 0=5512, 1=11025, 2=22050, 3=44100 */
93 #define CTRL_SH_WTSRSEL 12
94 #define CTRL_DAC_SYNC 0x00000800 /* 1 = DAC2 runs off DAC1 clock */
95 #define CTRL_CCB_INTRM 0x00000400 /* 1 = CCB "voice" ints enabled */
96 #define CTRL_M_CB 0x00000200 /* recording source: 0 = ADC, 1 = MPEG */
97 #define CTRL_XCTL0 0x00000100 /* 0 = Line in, 1 = Line out */
98 #define CTRL_BREQ 0x00000080 /* 1 = test mode (internal mem test) */
99 #define CTRL_DAC1_EN 0x00000040 /* enable DAC1 */
100 #define CTRL_DAC2_EN 0x00000020 /* enable DAC2 */
101 #define CTRL_ADC_EN 0x00000010 /* enable ADC */
102 #define CTRL_UART_EN 0x00000008 /* enable MIDI uart */
103 #define CTRL_JYSTK_EN 0x00000004 /* enable Joystick port (presumably at address 0x200) */
104 #define CTRL_CDC_EN 0x00000002 /* enable serial (CODEC) interface */
105 #define CTRL_SERR_DIS 0x00000001 /* 1 = disable PCI SERR signal */
106
107 #define STAT_INTR 0x80000000 /* wired or of all interrupt bits */
108 #define STAT_CSTAT 0x00000400 /* 1 = codec busy or codec write in progress */
109 #define STAT_CBUSY 0x00000200 /* 1 = codec busy */
110 #define STAT_CWRIP 0x00000100 /* 1 = codec write in progress */
111 #define STAT_VC 0x00000060 /* CCB int source, 0=DAC1, 1=DAC2, 2=ADC, 3=undef */
112 #define STAT_SH_VC 5
113 #define STAT_MCCB 0x00000010 /* CCB int pending */
114 #define STAT_UART 0x00000008 /* UART int pending */
115 #define STAT_DAC1 0x00000004 /* DAC1 int pending */
116 #define STAT_DAC2 0x00000002 /* DAC2 int pending */
117 #define STAT_ADC 0x00000001 /* ADC int pending */
118
119 #define USTAT_RXINT 0x80 /* UART rx int pending */
120 #define USTAT_TXINT 0x04 /* UART tx int pending */
121 #define USTAT_TXRDY 0x02 /* UART tx ready */
122 #define USTAT_RXRDY 0x01 /* UART rx ready */
123
124 #define UCTRL_RXINTEN 0x80 /* 1 = enable RX ints */
125 #define UCTRL_TXINTEN 0x60 /* TX int enable field mask */
126 #define UCTRL_ENA_TXINT 0x20 /* enable TX int */
127 #define UCTRL_CNTRL 0x03 /* control field */
128 #define UCTRL_CNTRL_SWR 0x03 /* software reset command */
129
130 #define SCTRL_P2ENDINC 0x00380000 /* */
131 #define SCTRL_SH_P2ENDINC 19
132 #define SCTRL_P2STINC 0x00070000 /* */
133 #define SCTRL_SH_P2STINC 16
134 #define SCTRL_R1LOOPSEL 0x00008000 /* 0 = loop mode */
135 #define SCTRL_P2LOOPSEL 0x00004000 /* 0 = loop mode */
136 #define SCTRL_P1LOOPSEL 0x00002000 /* 0 = loop mode */
137 #define SCTRL_P2PAUSE 0x00001000 /* 1 = pause mode */
138 #define SCTRL_P1PAUSE 0x00000800 /* 1 = pause mode */
139 #define SCTRL_R1INTEN 0x00000400 /* enable interrupt */
140 #define SCTRL_P2INTEN 0x00000200 /* enable interrupt */
141 #define SCTRL_P1INTEN 0x00000100 /* enable interrupt */
142 #define SCTRL_P1SCTRLD 0x00000080 /* reload sample count register for DAC1 */
143 #define SCTRL_P2DACSEN 0x00000040 /* 1 = DAC2 play back last sample when disabled */
144 #define SCTRL_R1SEB 0x00000020 /* 1 = 16bit */
145 #define SCTRL_R1SMB 0x00000010 /* 1 = stereo */
146 #define SCTRL_R1FMT 0x00000030 /* format mask */
147 #define SCTRL_SH_R1FMT 4
148 #define SCTRL_P2SEB 0x00000008 /* 1 = 16bit */
149 #define SCTRL_P2SMB 0x00000004 /* 1 = stereo */
150 #define SCTRL_P2FMT 0x0000000c /* format mask */
151 #define SCTRL_SH_P2FMT 2
152 #define SCTRL_P1SEB 0x00000002 /* 1 = 16bit */
153 #define SCTRL_P1SMB 0x00000001 /* 1 = stereo */
154 #define SCTRL_P1FMT 0x00000003 /* format mask */
155 #define SCTRL_SH_P1FMT 0
156
157 /* End blatant GPL violation */
158
159 #define NB_CHANNELS 3
160 #define DAC1_CHANNEL 0
161 #define DAC2_CHANNEL 1
162 #define ADC_CHANNEL 2
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
print_ctl(uint32_t val)168 static void print_ctl(uint32_t val)
169 {
170 if (DEBUG_ES1370) {
171 char buf[1024];
172
173 buf[0] = '\0';
174 #define a(n) if (val & CTRL_##n) pstrcat(buf, sizeof(buf), " "#n)
175 a(ADC_STOP);
176 a(XCTL1);
177 a(OPEN);
178 a(MSFMTSEL);
179 a(M_SBB);
180 a(DAC_SYNC);
181 a(CCB_INTRM);
182 a(M_CB);
183 a(XCTL0);
184 a(BREQ);
185 a(DAC1_EN);
186 a(DAC2_EN);
187 a(ADC_EN);
188 a(UART_EN);
189 a(JYSTK_EN);
190 a(CDC_EN);
191 a(SERR_DIS);
192 #undef a
193 AUD_log("es1370", "ctl - PCLKDIV %d(DAC2 freq %d), freq %d,%s\n",
194 (val & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV,
195 DAC2_DIVTOSR((val & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV),
196 dac1_samplerate[(val & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL],
197 buf);
198 }
199 }
200
print_sctl(uint32_t val)201 static void print_sctl(uint32_t val)
202 {
203 if (DEBUG_ES1370) {
204 static const char *fmt_names[] = {"8M", "8S", "16M", "16S"};
205 char buf[1024];
206
207 buf[0] = '\0';
208
209 #define a(n) if (val & SCTRL_##n) pstrcat(buf, sizeof(buf), " "#n)
210 #define b(n) if (!(val & SCTRL_##n)) pstrcat(buf, sizeof(buf), " "#n)
211 b(R1LOOPSEL);
212 b(P2LOOPSEL);
213 b(P1LOOPSEL);
214 a(P2PAUSE);
215 a(P1PAUSE);
216 a(R1INTEN);
217 a(P2INTEN);
218 a(P1INTEN);
219 a(P1SCTRLD);
220 a(P2DACSEN);
221 if (buf[0]) {
222 pstrcat(buf, sizeof(buf), "\n ");
223 } else {
224 buf[0] = ' ';
225 buf[1] = '\0';
226 }
227 #undef b
228 #undef a
229 AUD_log("es1370",
230 "%s p2_end_inc %d, p2_st_inc %d,"
231 " 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
241 #define lwarn(...) \
242 do { \
243 if (VERBOSE_ES1370) { \
244 AUD_log("es1370: warning", __VA_ARGS__); \
245 } \
246 } while (0)
247
248 #define TYPE_ES1370 "ES1370"
249 OBJECT_DECLARE_SIMPLE_TYPE(ES1370State, ES1370)
250
251 struct chan {
252 uint32_t shift;
253 uint32_t leftover;
254 uint32_t scount;
255 uint32_t frame_addr;
256 uint32_t frame_cnt;
257 };
258
259 struct ES1370State {
260 PCIDevice dev;
261 QEMUSoundCard card;
262 MemoryRegion io;
263 struct chan chan[NB_CHANNELS];
264 SWVoiceOut *dac_voice[2];
265 SWVoiceIn *adc_voice;
266
267 uint32_t ctl;
268 uint32_t status;
269 uint32_t mempage;
270 uint32_t codec;
271 uint32_t sctl;
272 };
273
274 struct chan_bits {
275 uint32_t ctl_en;
276 uint32_t stat_int;
277 uint32_t sctl_pause;
278 uint32_t sctl_inten;
279 uint32_t sctl_fmt;
280 uint32_t sctl_sh_fmt;
281 uint32_t sctl_loopsel;
282 void (*calc_freq) (ES1370State *s, uint32_t ctl,
283 uint32_t *old_freq, uint32_t *new_freq);
284 };
285
286 static void es1370_dac1_calc_freq (ES1370State *s, uint32_t ctl,
287 uint32_t *old_freq, uint32_t *new_freq);
288 static void es1370_dac2_and_adc_calc_freq (ES1370State *s, uint32_t ctl,
289 uint32_t *old_freq,
290 uint32_t *new_freq);
291
292 static const struct chan_bits es1370_chan_bits[] = {
293 {CTRL_DAC1_EN, STAT_DAC1, SCTRL_P1PAUSE, SCTRL_P1INTEN,
294 SCTRL_P1FMT, SCTRL_SH_P1FMT, SCTRL_P1LOOPSEL,
295 es1370_dac1_calc_freq},
296
297 {CTRL_DAC2_EN, STAT_DAC2, SCTRL_P2PAUSE, SCTRL_P2INTEN,
298 SCTRL_P2FMT, SCTRL_SH_P2FMT, SCTRL_P2LOOPSEL,
299 es1370_dac2_and_adc_calc_freq},
300
301 {CTRL_ADC_EN, STAT_ADC, 0, SCTRL_R1INTEN,
302 SCTRL_R1FMT, SCTRL_SH_R1FMT, SCTRL_R1LOOPSEL,
303 es1370_dac2_and_adc_calc_freq}
304 };
305
es1370_update_status(ES1370State * s,uint32_t new_status)306 static void es1370_update_status (ES1370State *s, uint32_t new_status)
307 {
308 uint32_t level = new_status & (STAT_DAC1 | STAT_DAC2 | STAT_ADC);
309
310 if (level) {
311 s->status = new_status | STAT_INTR;
312 } else {
313 s->status = new_status & ~STAT_INTR;
314 }
315 pci_set_irq(&s->dev, !!level);
316 }
317
es1370_reset(ES1370State * s)318 static void es1370_reset (ES1370State *s)
319 {
320 size_t i;
321
322 s->ctl = 1;
323 s->status = 0x60;
324 s->mempage = 0;
325 s->codec = 0;
326 s->sctl = 0;
327
328 for (i = 0; i < NB_CHANNELS; ++i) {
329 struct chan *d = &s->chan[i];
330 d->scount = 0;
331 d->leftover = 0;
332 if (i == ADC_CHANNEL) {
333 AUD_close_in (&s->card, s->adc_voice);
334 s->adc_voice = NULL;
335 } else {
336 AUD_close_out (&s->card, s->dac_voice[i]);
337 s->dac_voice[i] = NULL;
338 }
339 }
340 pci_irq_deassert(&s->dev);
341 }
342
es1370_maybe_lower_irq(ES1370State * s,uint32_t sctl)343 static void es1370_maybe_lower_irq (ES1370State *s, uint32_t sctl)
344 {
345 uint32_t new_status = s->status;
346
347 if (!(sctl & SCTRL_P1INTEN) && (s->sctl & SCTRL_P1INTEN)) {
348 new_status &= ~STAT_DAC1;
349 }
350
351 if (!(sctl & SCTRL_P2INTEN) && (s->sctl & SCTRL_P2INTEN)) {
352 new_status &= ~STAT_DAC2;
353 }
354
355 if (!(sctl & SCTRL_R1INTEN) && (s->sctl & SCTRL_R1INTEN)) {
356 new_status &= ~STAT_ADC;
357 }
358
359 if (new_status != s->status) {
360 es1370_update_status (s, new_status);
361 }
362 }
363
es1370_dac1_calc_freq(ES1370State * s,uint32_t ctl,uint32_t * old_freq,uint32_t * new_freq)364 static void es1370_dac1_calc_freq (ES1370State *s, uint32_t ctl,
365 uint32_t *old_freq, uint32_t *new_freq)
366
367 {
368 *old_freq = dac1_samplerate[(s->ctl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL];
369 *new_freq = dac1_samplerate[(ctl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL];
370 }
371
es1370_dac2_and_adc_calc_freq(ES1370State * s,uint32_t ctl,uint32_t * old_freq,uint32_t * new_freq)372 static void es1370_dac2_and_adc_calc_freq (ES1370State *s, uint32_t ctl,
373 uint32_t *old_freq,
374 uint32_t *new_freq)
375
376 {
377 uint32_t old_pclkdiv, new_pclkdiv;
378
379 new_pclkdiv = (ctl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV;
380 old_pclkdiv = (s->ctl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV;
381 *new_freq = DAC2_DIVTOSR (new_pclkdiv);
382 *old_freq = DAC2_DIVTOSR (old_pclkdiv);
383 }
384
es1370_update_voices(ES1370State * s,uint32_t ctl,uint32_t sctl)385 static void es1370_update_voices (ES1370State *s, uint32_t ctl, uint32_t sctl)
386 {
387 size_t i;
388 uint32_t old_freq, new_freq, old_fmt, new_fmt;
389
390 for (i = 0; i < NB_CHANNELS; ++i) {
391 struct chan *d = &s->chan[i];
392 const struct chan_bits *b = &es1370_chan_bits[i];
393
394 new_fmt = (sctl & b->sctl_fmt) >> b->sctl_sh_fmt;
395 old_fmt = (s->sctl & b->sctl_fmt) >> b->sctl_sh_fmt;
396
397 b->calc_freq (s, ctl, &old_freq, &new_freq);
398
399 if ((old_fmt != new_fmt) || (old_freq != new_freq)) {
400 d->shift = (new_fmt & 1) + (new_fmt >> 1);
401 trace_es1370_stream_format(i, new_freq,
402 new_fmt & 2 ? "s16" : "u8", new_fmt & 1 ? "stereo" : "mono",
403 d->shift);
404 if (new_freq) {
405 struct audsettings as;
406
407 as.freq = new_freq;
408 as.nchannels = 1 << (new_fmt & 1);
409 as.fmt = (new_fmt & 2) ? AUDIO_FORMAT_S16 : AUDIO_FORMAT_U8;
410 as.endianness = 0;
411
412 if (i == ADC_CHANNEL) {
413 s->adc_voice =
414 AUD_open_in (
415 &s->card,
416 s->adc_voice,
417 "es1370.adc",
418 s,
419 es1370_adc_callback,
420 &as
421 );
422 } else {
423 s->dac_voice[i] =
424 AUD_open_out (
425 &s->card,
426 s->dac_voice[i],
427 i ? "es1370.dac2" : "es1370.dac1",
428 s,
429 i ? es1370_dac2_callback : es1370_dac1_callback,
430 &as
431 );
432 }
433 }
434 }
435
436 if (((ctl ^ s->ctl) & b->ctl_en)
437 || ((sctl ^ s->sctl) & b->sctl_pause)) {
438 int on = (ctl & b->ctl_en) && !(sctl & b->sctl_pause);
439
440 if (i == ADC_CHANNEL) {
441 AUD_set_active_in (s->adc_voice, on);
442 } else {
443 AUD_set_active_out (s->dac_voice[i], on);
444 }
445 }
446 }
447
448 s->ctl = ctl;
449 s->sctl = sctl;
450 }
451
es1370_fixup(ES1370State * s,uint32_t addr)452 static inline uint32_t es1370_fixup (ES1370State *s, uint32_t addr)
453 {
454 addr &= 0xff;
455 if (addr >= 0x30 && addr <= 0x3f) {
456 addr |= s->mempage << 8;
457 }
458 return addr;
459 }
460
es1370_write(void * opaque,hwaddr addr,uint64_t val,unsigned size)461 static void es1370_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
462 {
463 ES1370State *s = opaque;
464 struct chan *d = &s->chan[0];
465
466 addr = es1370_fixup (s, addr);
467
468 switch (addr) {
469 case ES1370_REG_CONTROL:
470 es1370_update_voices (s, val, s->sctl);
471 print_ctl (val);
472 break;
473
474 case ES1370_REG_MEMPAGE:
475 s->mempage = val & 0xf;
476 break;
477
478 case ES1370_REG_SERIAL_CONTROL:
479 es1370_maybe_lower_irq (s, val);
480 es1370_update_voices (s, s->ctl, val);
481 print_sctl (val);
482 break;
483
484 case ES1370_REG_DAC1_SCOUNT:
485 case ES1370_REG_DAC2_SCOUNT:
486 case ES1370_REG_ADC_SCOUNT:
487 d += (addr - ES1370_REG_DAC1_SCOUNT) >> 2;
488 d->scount = (val & 0xffff) << 16 | (val & 0xffff);
489 trace_es1370_sample_count_wr(d - &s->chan[0],
490 d->scount >> 16, d->scount & 0xffff);
491 break;
492
493 case ES1370_REG_ADC_FRAMEADR:
494 d += 2;
495 goto frameadr;
496 case ES1370_REG_DAC1_FRAMEADR:
497 case ES1370_REG_DAC2_FRAMEADR:
498 d += (addr - ES1370_REG_DAC1_FRAMEADR) >> 3;
499 frameadr:
500 d->frame_addr = val;
501 trace_es1370_frame_address_wr(d - &s->chan[0], d->frame_addr);
502 break;
503
504 case ES1370_REG_PHANTOM_FRAMECNT:
505 lwarn("writing to phantom frame count 0x%" PRIx64 "\n", val);
506 break;
507 case ES1370_REG_PHANTOM_FRAMEADR:
508 lwarn("writing to phantom frame address 0x%" PRIx64 "\n", val);
509 break;
510
511 case ES1370_REG_ADC_FRAMECNT:
512 d += 2;
513 goto framecnt;
514 case ES1370_REG_DAC1_FRAMECNT:
515 case ES1370_REG_DAC2_FRAMECNT:
516 d += (addr - ES1370_REG_DAC1_FRAMECNT) >> 3;
517 framecnt:
518 d->frame_cnt = val;
519 d->leftover = 0;
520 trace_es1370_frame_count_wr(d - &s->chan[0],
521 d->frame_cnt >> 16, d->frame_cnt & 0xffff);
522 break;
523
524 default:
525 lwarn("writel 0x%" PRIx64 " <- 0x%" PRIx64 "\n", addr, val);
526 break;
527 }
528 }
529
es1370_read(void * opaque,hwaddr addr,unsigned size)530 static uint64_t es1370_read(void *opaque, hwaddr addr, unsigned size)
531 {
532 ES1370State *s = opaque;
533 uint32_t val;
534 struct chan *d = &s->chan[0];
535
536 addr = es1370_fixup (s, addr);
537
538 switch (addr) {
539 case ES1370_REG_CONTROL:
540 val = s->ctl;
541 break;
542 case ES1370_REG_STATUS:
543 val = s->status;
544 break;
545 case ES1370_REG_MEMPAGE:
546 val = s->mempage;
547 break;
548 case ES1370_REG_CODEC:
549 val = s->codec;
550 break;
551 case ES1370_REG_SERIAL_CONTROL:
552 val = s->sctl;
553 break;
554
555 case ES1370_REG_DAC1_SCOUNT:
556 case ES1370_REG_DAC2_SCOUNT:
557 case ES1370_REG_ADC_SCOUNT:
558 d += (addr - ES1370_REG_DAC1_SCOUNT) >> 2;
559 trace_es1370_sample_count_rd(d - &s->chan[0],
560 d->scount >> 16, d->scount & 0xffff);
561 val = d->scount;
562 break;
563
564 case ES1370_REG_ADC_FRAMECNT:
565 d += 2;
566 goto framecnt;
567 case ES1370_REG_DAC1_FRAMECNT:
568 case ES1370_REG_DAC2_FRAMECNT:
569 d += (addr - ES1370_REG_DAC1_FRAMECNT) >> 3;
570 framecnt:
571 trace_es1370_frame_count_rd(d - &s->chan[0],
572 d->frame_cnt >> 16, d->frame_cnt & 0xffff);
573 val = d->frame_cnt;
574 break;
575
576 case ES1370_REG_ADC_FRAMEADR:
577 d += 2;
578 goto frameadr;
579 case ES1370_REG_DAC1_FRAMEADR:
580 case ES1370_REG_DAC2_FRAMEADR:
581 d += (addr - ES1370_REG_DAC1_FRAMEADR) >> 3;
582 frameadr:
583 trace_es1370_frame_address_rd(d - &s->chan[0], d->frame_addr);
584 val = d->frame_addr;
585 break;
586
587 case ES1370_REG_PHANTOM_FRAMECNT:
588 val = ~0U;
589 lwarn("reading from phantom frame count\n");
590 break;
591 case ES1370_REG_PHANTOM_FRAMEADR:
592 val = ~0U;
593 lwarn("reading from phantom frame address\n");
594 break;
595
596 default:
597 val = ~0U;
598 lwarn("readl 0x%" PRIx64 " -> 0x%x\n", addr, val);
599 break;
600 }
601 return val;
602 }
603
es1370_transfer_audio(ES1370State * s,struct chan * d,int loop_sel,int max,bool * irq)604 static void es1370_transfer_audio (ES1370State *s, struct chan *d, int loop_sel,
605 int max, bool *irq)
606 {
607 uint8_t tmpbuf[4096];
608 size_t to_transfer;
609 uint32_t addr = d->frame_addr;
610 int sc = d->scount & 0xffff;
611 int csc = d->scount >> 16;
612 int csc_bytes = (csc + 1) << d->shift;
613 int cnt = d->frame_cnt >> 16;
614 int size = d->frame_cnt & 0xffff;
615 if (size < cnt) {
616 return;
617 }
618 int left = ((size - cnt + 1) << 2) + d->leftover;
619 int transferred = 0;
620 int index = d - &s->chan[0];
621
622 to_transfer = MIN(max, MIN(left, csc_bytes));
623 addr += (cnt << 2) + d->leftover;
624
625 if (index == ADC_CHANNEL) {
626 while (to_transfer > 0) {
627 int acquired, to_copy;
628
629 to_copy = MIN(to_transfer, sizeof(tmpbuf));
630 acquired = AUD_read (s->adc_voice, tmpbuf, to_copy);
631 if (!acquired) {
632 break;
633 }
634
635 pci_dma_write (&s->dev, addr, tmpbuf, acquired);
636
637 to_transfer -= acquired;
638 addr += acquired;
639 transferred += acquired;
640 }
641 } else {
642 SWVoiceOut *voice = s->dac_voice[index];
643
644 while (to_transfer > 0) {
645 int copied, to_copy;
646
647 to_copy = MIN(to_transfer, sizeof(tmpbuf));
648 pci_dma_read (&s->dev, addr, tmpbuf, to_copy);
649 copied = AUD_write (voice, tmpbuf, to_copy);
650 if (!copied) {
651 break;
652 }
653 to_transfer -= copied;
654 addr += copied;
655 transferred += copied;
656 }
657 }
658
659 if (csc_bytes == transferred) {
660 if (*irq) {
661 trace_es1370_lost_interrupt(index);
662 }
663 *irq = true;
664 d->scount = sc | (sc << 16);
665 } else {
666 *irq = false;
667 d->scount = sc | (((csc_bytes - transferred - 1) >> d->shift) << 16);
668 }
669
670 cnt += (transferred + d->leftover) >> 2;
671
672 if (s->sctl & loop_sel) {
673 /*
674 * loop_sel tells us which bit in the SCTL register to look at
675 * (either P1_LOOP_SEL, P2_LOOP_SEL or R1_LOOP_SEL). The sense
676 * of these bits is 0 for loop mode (set interrupt and keep recording
677 * when the sample count reaches zero) or 1 for stop mode (set
678 * interrupt and stop recording).
679 */
680 AUD_log ("es1370: warning", "non looping mode\n");
681 } else {
682 d->frame_cnt = size;
683
684 if ((uint32_t) cnt <= d->frame_cnt) {
685 d->frame_cnt |= cnt << 16;
686 }
687 }
688
689 d->leftover = (transferred + d->leftover) & 3;
690 trace_es1370_transfer_audio(index,
691 d->frame_cnt >> 16, d->frame_cnt & 0xffff,
692 d->scount >> 16, d->scount & 0xffff,
693 d->leftover, *irq);
694 }
695
es1370_run_channel(ES1370State * s,size_t chan,int free_or_avail)696 static void es1370_run_channel (ES1370State *s, size_t chan, int free_or_avail)
697 {
698 uint32_t new_status = s->status;
699 int max_bytes;
700 bool irq;
701 struct chan *d = &s->chan[chan];
702 const struct chan_bits *b = &es1370_chan_bits[chan];
703
704 if (!(s->ctl & b->ctl_en) || (s->sctl & b->sctl_pause)) {
705 return;
706 }
707
708 max_bytes = free_or_avail;
709 max_bytes &= ~((1 << d->shift) - 1);
710 if (!max_bytes) {
711 return;
712 }
713
714 irq = s->sctl & b->sctl_inten && s->status & b->stat_int;
715
716 es1370_transfer_audio (s, d, b->sctl_loopsel, max_bytes, &irq);
717
718 if (irq) {
719 if (s->sctl & b->sctl_inten) {
720 new_status |= b->stat_int;
721 }
722 }
723
724 if (new_status != s->status) {
725 es1370_update_status (s, new_status);
726 }
727 }
728
es1370_dac1_callback(void * opaque,int free)729 static void es1370_dac1_callback (void *opaque, int free)
730 {
731 ES1370State *s = opaque;
732
733 es1370_run_channel (s, DAC1_CHANNEL, free);
734 }
735
es1370_dac2_callback(void * opaque,int free)736 static void es1370_dac2_callback (void *opaque, int free)
737 {
738 ES1370State *s = opaque;
739
740 es1370_run_channel (s, DAC2_CHANNEL, free);
741 }
742
es1370_adc_callback(void * opaque,int avail)743 static void es1370_adc_callback (void *opaque, int avail)
744 {
745 ES1370State *s = opaque;
746
747 es1370_run_channel (s, ADC_CHANNEL, avail);
748 }
749
750 static const MemoryRegionOps es1370_io_ops = {
751 .read = es1370_read,
752 .write = es1370_write,
753 .valid = {
754 .min_access_size = 1,
755 .max_access_size = 4,
756 },
757 .impl = {
758 .min_access_size = 4,
759 .max_access_size = 4,
760 },
761 .endianness = DEVICE_LITTLE_ENDIAN,
762 };
763
764 static const VMStateDescription vmstate_es1370_channel = {
765 .name = "es1370_channel",
766 .version_id = 2,
767 .minimum_version_id = 2,
768 .fields = (const VMStateField[]) {
769 VMSTATE_UINT32 (shift, struct chan),
770 VMSTATE_UINT32 (leftover, struct chan),
771 VMSTATE_UINT32 (scount, struct chan),
772 VMSTATE_UINT32 (frame_addr, struct chan),
773 VMSTATE_UINT32 (frame_cnt, struct chan),
774 VMSTATE_END_OF_LIST ()
775 }
776 };
777
es1370_post_load(void * opaque,int version_id)778 static int es1370_post_load (void *opaque, int version_id)
779 {
780 uint32_t ctl, sctl;
781 ES1370State *s = opaque;
782 size_t i;
783
784 for (i = 0; i < NB_CHANNELS; ++i) {
785 if (i == ADC_CHANNEL) {
786 if (s->adc_voice) {
787 AUD_close_in (&s->card, s->adc_voice);
788 s->adc_voice = NULL;
789 }
790 } else {
791 if (s->dac_voice[i]) {
792 AUD_close_out (&s->card, s->dac_voice[i]);
793 s->dac_voice[i] = NULL;
794 }
795 }
796 }
797
798 ctl = s->ctl;
799 sctl = s->sctl;
800 s->ctl = 0;
801 s->sctl = 0;
802 es1370_update_voices (s, ctl, sctl);
803 return 0;
804 }
805
806 static const VMStateDescription vmstate_es1370 = {
807 .name = "es1370",
808 .version_id = 2,
809 .minimum_version_id = 2,
810 .post_load = es1370_post_load,
811 .fields = (const VMStateField[]) {
812 VMSTATE_PCI_DEVICE (dev, ES1370State),
813 VMSTATE_STRUCT_ARRAY (chan, ES1370State, NB_CHANNELS, 2,
814 vmstate_es1370_channel, struct chan),
815 VMSTATE_UINT32 (ctl, ES1370State),
816 VMSTATE_UINT32 (status, ES1370State),
817 VMSTATE_UINT32 (mempage, ES1370State),
818 VMSTATE_UINT32 (codec, ES1370State),
819 VMSTATE_UINT32 (sctl, ES1370State),
820 VMSTATE_END_OF_LIST ()
821 }
822 };
823
es1370_on_reset(DeviceState * dev)824 static void es1370_on_reset(DeviceState *dev)
825 {
826 ES1370State *s = ES1370(dev);
827
828 es1370_reset (s);
829 }
830
es1370_realize(PCIDevice * dev,Error ** errp)831 static void es1370_realize(PCIDevice *dev, Error **errp)
832 {
833 ES1370State *s = ES1370(dev);
834 uint8_t *c = s->dev.config;
835
836 if (!AUD_register_card ("es1370", &s->card, errp)) {
837 return;
838 }
839
840 c[PCI_STATUS + 1] = PCI_STATUS_DEVSEL_SLOW >> 8;
841
842 #if 0
843 c[PCI_CAPABILITY_LIST] = 0xdc;
844 c[PCI_INTERRUPT_LINE] = 10;
845 c[0xdc] = 0x00;
846 #endif
847
848 c[PCI_INTERRUPT_PIN] = 1;
849 c[PCI_MIN_GNT] = 0x0c;
850 c[PCI_MAX_LAT] = 0x80;
851
852 memory_region_init_io (&s->io, OBJECT(s), &es1370_io_ops, s, "es1370", 256);
853 pci_register_bar (&s->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io);
854
855 es1370_reset (s);
856 }
857
es1370_exit(PCIDevice * dev)858 static void es1370_exit(PCIDevice *dev)
859 {
860 ES1370State *s = ES1370(dev);
861 int i;
862
863 for (i = 0; i < 2; ++i) {
864 AUD_close_out(&s->card, s->dac_voice[i]);
865 }
866
867 AUD_close_in(&s->card, s->adc_voice);
868 AUD_remove_card(&s->card);
869 }
870
871 static Property es1370_properties[] = {
872 DEFINE_AUDIO_PROPERTIES(ES1370State, card),
873 DEFINE_PROP_END_OF_LIST(),
874 };
875
es1370_class_init(ObjectClass * klass,void * data)876 static void es1370_class_init (ObjectClass *klass, void *data)
877 {
878 DeviceClass *dc = DEVICE_CLASS (klass);
879 PCIDeviceClass *k = PCI_DEVICE_CLASS (klass);
880
881 k->realize = es1370_realize;
882 k->exit = es1370_exit;
883 k->vendor_id = PCI_VENDOR_ID_ENSONIQ;
884 k->device_id = PCI_DEVICE_ID_ENSONIQ_ES1370;
885 k->class_id = PCI_CLASS_MULTIMEDIA_AUDIO;
886 k->subsystem_vendor_id = 0x4942;
887 k->subsystem_id = 0x4c4c;
888 set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
889 dc->desc = "ENSONIQ AudioPCI ES1370";
890 dc->vmsd = &vmstate_es1370;
891 device_class_set_legacy_reset(dc, es1370_on_reset);
892 device_class_set_props(dc, es1370_properties);
893 }
894
895 static const TypeInfo es1370_info = {
896 .name = TYPE_ES1370,
897 .parent = TYPE_PCI_DEVICE,
898 .instance_size = sizeof (ES1370State),
899 .class_init = es1370_class_init,
900 .interfaces = (InterfaceInfo[]) {
901 { INTERFACE_CONVENTIONAL_PCI_DEVICE },
902 { },
903 },
904 };
905
es1370_register_types(void)906 static void es1370_register_types (void)
907 {
908 type_register_static (&es1370_info);
909 deprecated_register_soundhw("es1370", "ENSONIQ AudioPCI ES1370",
910 0, TYPE_ES1370);
911 }
912
913 type_init (es1370_register_types)
914