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audio: Add 'static' attributes to several variables
[mirror_qemu.git] / hw / audio / wm8750.c
CommitLineData
adb86c37
AZ		 1/*
2 * WM8750 audio CODEC.
3 *
4 * Copyright (c) 2006 Openedhand Ltd.
5 * Written by Andrzej Zaborowski <balrog@zabor.org>
6 *
7 * This file is licensed under GNU GPL.
8 */
9
83c9f4ca 10#include "hw/hw.h"
0d09e41a 11#include "hw/i2c/i2c.h"
87ecb68b 12#include "audio/audio.h"
adb86c37
AZ		 13
14#define IN_PORT_N 3
15#define OUT_PORT_N 3
16
17#define CODEC "wm8750"
18
bc24a225
PB		 19typedef struct {
20 int adc;
21 int adc_hz;
22 int dac;
23 int dac_hz;
24} WMRate;
25
bc229b0f
AF		 26#define TYPE_WM8750 "wm8750"
27#define WM8750(obj) OBJECT_CHECK(WM8750State, (obj), TYPE_WM8750)
28
29typedef struct WM8750State {
30 I2CSlave parent_obj;
31
adb86c37
AZ		 32 uint8_t i2c_data[2];
33 int i2c_len;
34 QEMUSoundCard card;
35 SWVoiceIn *adc_voice[IN_PORT_N];
36 SWVoiceOut *dac_voice[OUT_PORT_N];
37 int enable;
38 void (*data_req)(void *, int, int);
39 void *opaque;
40 uint8_t data_in[4096];
41 uint8_t data_out[4096];
42 int idx_in, req_in;
43 int idx_out, req_out;
44
45 SWVoiceOut **out[2];
46 uint8_t outvol[7], outmute[2];
47 SWVoiceIn **in[2];
48 uint8_t invol[4], inmute[2];
49
50 uint8_t diff[2], pol, ds, monomix[2], alc, mute;
51 uint8_t path[4], mpath[2], power, format;
bc24a225 52 const WMRate *rate;
c1d803b3 53 uint8_t rate_vmstate;
af83e09e 54 int adc_hz, dac_hz, ext_adc_hz, ext_dac_hz, master;
bc24a225 55} WM8750State;
adb86c37 56
db502b61 57/* pow(10.0, -i / 20.0) * 255, i = 0..42 */
683efdcb
AZ		 58static const uint8_t wm8750_vol_db_table[] = {
59 255, 227, 203, 181, 161, 143, 128, 114, 102, 90, 81, 72, 64, 57, 51, 45,
60 40, 36, 32, 29, 26, 23, 20, 18, 16, 14, 13, 11, 10, 9, 8, 7, 6, 6, 5, 5,
61 4, 4, 3, 3, 3, 2, 2
62};
63
db502b61
AZ		 64#define WM8750_OUTVOL_TRANSFORM(x) wm8750_vol_db_table[(0x7f - x) / 3]
65#define WM8750_INVOL_TRANSFORM(x) (x << 2)
683efdcb 66
bc24a225 67static inline void wm8750_in_load(WM8750State *s)
adb86c37 68{
adb86c37
AZ		 69 if (s->idx_in + s->req_in <= sizeof(s->data_in))
70 return;
71 s->idx_in = audio_MAX(0, (int) sizeof(s->data_in) - s->req_in);
22ed1d34
BS		 72 AUD_read(*s->in[0], s->data_in + s->idx_in,
73 sizeof(s->data_in) - s->idx_in);
adb86c37
AZ		 74}
75
bc24a225 76static inline void wm8750_out_flush(WM8750State *s)
adb86c37 77{
523111e7
AZ		 78 int sent = 0;
79 while (sent < s->idx_out)
80 sent += AUD_write(*s->out[0], s->data_out + sent, s->idx_out - sent)
81 ?: s->idx_out;
adb86c37
AZ		 82 s->idx_out = 0;
83}
84
85static void wm8750_audio_in_cb(void *opaque, int avail_b)
86{
bc24a225 87 WM8750State *s = (WM8750State *) opaque;
adb86c37
AZ		 88 s->req_in = avail_b;
89 s->data_req(s->opaque, s->req_out >> 2, avail_b >> 2);
adb86c37
AZ		 90}
91
92static void wm8750_audio_out_cb(void *opaque, int free_b)
93{
bc24a225 94 WM8750State *s = (WM8750State *) opaque;
adb86c37 95
523111e7
AZ		 96 if (s->idx_out >= free_b) {
97 s->idx_out = free_b;
98 s->req_out = 0;
99 wm8750_out_flush(s);
100 } else
101 s->req_out = free_b - s->idx_out;
102
103 s->data_req(s->opaque, s->req_out >> 2, s->req_in >> 2);
adb86c37
AZ		 104}
105
bc24a225 106static const WMRate wm_rate_table[] = {
adb86c37
AZ		 107 { 256, 48000, 256, 48000 }, /* SR: 00000 */
108 { 384, 48000, 384, 48000 }, /* SR: 00001 */
109 { 256, 48000, 1536, 8000 }, /* SR: 00010 */
110 { 384, 48000, 2304, 8000 }, /* SR: 00011 */
111 { 1536, 8000, 256, 48000 }, /* SR: 00100 */
112 { 2304, 8000, 384, 48000 }, /* SR: 00101 */
113 { 1536, 8000, 1536, 8000 }, /* SR: 00110 */
114 { 2304, 8000, 2304, 8000 }, /* SR: 00111 */
115 { 1024, 12000, 1024, 12000 }, /* SR: 01000 */
116 { 1526, 12000, 1536, 12000 }, /* SR: 01001 */
117 { 768, 16000, 768, 16000 }, /* SR: 01010 */
118 { 1152, 16000, 1152, 16000 }, /* SR: 01011 */
119 { 384, 32000, 384, 32000 }, /* SR: 01100 */
120 { 576, 32000, 576, 32000 }, /* SR: 01101 */
121 { 128, 96000, 128, 96000 }, /* SR: 01110 */
122 { 192, 96000, 192, 96000 }, /* SR: 01111 */
123 { 256, 44100, 256, 44100 }, /* SR: 10000 */
124 { 384, 44100, 384, 44100 }, /* SR: 10001 */
125 { 256, 44100, 1408, 8018 }, /* SR: 10010 */
126 { 384, 44100, 2112, 8018 }, /* SR: 10011 */
127 { 1408, 8018, 256, 44100 }, /* SR: 10100 */
128 { 2112, 8018, 384, 44100 }, /* SR: 10101 */
129 { 1408, 8018, 1408, 8018 }, /* SR: 10110 */
130 { 2112, 8018, 2112, 8018 }, /* SR: 10111 */
131 { 1024, 11025, 1024, 11025 }, /* SR: 11000 */
132 { 1536, 11025, 1536, 11025 }, /* SR: 11001 */
133 { 512, 22050, 512, 22050 }, /* SR: 11010 */
134 { 768, 22050, 768, 22050 }, /* SR: 11011 */
135 { 512, 24000, 512, 24000 }, /* SR: 11100 */
136 { 768, 24000, 768, 24000 }, /* SR: 11101 */
137 { 128, 88200, 128, 88200 }, /* SR: 11110 */
523111e7 138 { 192, 88200, 192, 88200 }, /* SR: 11111 */
adb86c37
AZ		 139};
140
bc24a225 141static void wm8750_vol_update(WM8750State *s)
683efdcb
AZ		 142{
143 /* FIXME: multiply all volumes by s->invol[2], s->invol[3] */
144
db502b61
AZ		 145 AUD_set_volume_in(s->adc_voice[0], s->mute,
146 s->inmute[0] ? 0 : WM8750_INVOL_TRANSFORM(s->invol[0]),
147 s->inmute[1] ? 0 : WM8750_INVOL_TRANSFORM(s->invol[1]));
148 AUD_set_volume_in(s->adc_voice[1], s->mute,
149 s->inmute[0] ? 0 : WM8750_INVOL_TRANSFORM(s->invol[0]),
150 s->inmute[1] ? 0 : WM8750_INVOL_TRANSFORM(s->invol[1]));
151 AUD_set_volume_in(s->adc_voice[2], s->mute,
152 s->inmute[0] ? 0 : WM8750_INVOL_TRANSFORM(s->invol[0]),
153 s->inmute[1] ? 0 : WM8750_INVOL_TRANSFORM(s->invol[1]));
683efdcb
AZ		 154
155 /* FIXME: multiply all volumes by s->outvol[0], s->outvol[1] */
156
157 /* Speaker: LOUT2VOL ROUT2VOL */
158 AUD_set_volume_out(s->dac_voice[0], s->mute,
db502b61
AZ		 159 s->outmute[0] ? 0 : WM8750_OUTVOL_TRANSFORM(s->outvol[4]),
160 s->outmute[1] ? 0 : WM8750_OUTVOL_TRANSFORM(s->outvol[5]));
683efdcb 161
db502b61 162 /* Headphone: LOUT1VOL ROUT1VOL */
683efdcb 163 AUD_set_volume_out(s->dac_voice[1], s->mute,
db502b61
AZ		 164 s->outmute[0] ? 0 : WM8750_OUTVOL_TRANSFORM(s->outvol[2]),
165 s->outmute[1] ? 0 : WM8750_OUTVOL_TRANSFORM(s->outvol[3]));
683efdcb
AZ		 166
167 /* MONOOUT: MONOVOL MONOVOL */
168 AUD_set_volume_out(s->dac_voice[2], s->mute,
db502b61
AZ		 169 s->outmute[0] ? 0 : WM8750_OUTVOL_TRANSFORM(s->outvol[6]),
170 s->outmute[1] ? 0 : WM8750_OUTVOL_TRANSFORM(s->outvol[6]));
683efdcb
AZ		 171}
172
bc24a225 173static void wm8750_set_format(WM8750State *s)
adb86c37
AZ		 174{
175 int i;
1ea879e5 176 struct audsettings in_fmt;
177 struct audsettings out_fmt;
adb86c37
AZ		 178
179 wm8750_out_flush(s);
180
181 if (s->in[0] && *s->in[0])
182 AUD_set_active_in(*s->in[0], 0);
183 if (s->out[0] && *s->out[0])
184 AUD_set_active_out(*s->out[0], 0);
185
186 for (i = 0; i < IN_PORT_N; i ++)
187 if (s->adc_voice[i]) {
188 AUD_close_in(&s->card, s->adc_voice[i]);
511d2b14 189 s->adc_voice[i] = NULL;
adb86c37
AZ		 190 }
191 for (i = 0; i < OUT_PORT_N; i ++)
192 if (s->dac_voice[i]) {
193 AUD_close_out(&s->card, s->dac_voice[i]);
511d2b14 194 s->dac_voice[i] = NULL;
adb86c37
AZ		 195 }
196
197 if (!s->enable)
198 return;
199
200 /* Setup input */
201 in_fmt.endianness = 0;
202 in_fmt.nchannels = 2;
af83e09e 203 in_fmt.freq = s->adc_hz;
adb86c37
AZ		 204 in_fmt.fmt = AUD_FMT_S16;
205
206 s->adc_voice[0] = AUD_open_in(&s->card, s->adc_voice[0],
207 CODEC ".input1", s, wm8750_audio_in_cb, &in_fmt);
208 s->adc_voice[1] = AUD_open_in(&s->card, s->adc_voice[1],
209 CODEC ".input2", s, wm8750_audio_in_cb, &in_fmt);
210 s->adc_voice[2] = AUD_open_in(&s->card, s->adc_voice[2],
211 CODEC ".input3", s, wm8750_audio_in_cb, &in_fmt);
212
213 /* Setup output */
214 out_fmt.endianness = 0;
215 out_fmt.nchannels = 2;
af83e09e 216 out_fmt.freq = s->dac_hz;
adb86c37 217 out_fmt.fmt = AUD_FMT_S16;
adb86c37
AZ		 218
219 s->dac_voice[0] = AUD_open_out(&s->card, s->dac_voice[0],
220 CODEC ".speaker", s, wm8750_audio_out_cb, &out_fmt);
221 s->dac_voice[1] = AUD_open_out(&s->card, s->dac_voice[1],
222 CODEC ".headphone", s, wm8750_audio_out_cb, &out_fmt);
223 /* MONOMIX is also in stereo for simplicity */
224 s->dac_voice[2] = AUD_open_out(&s->card, s->dac_voice[2],
225 CODEC ".monomix", s, wm8750_audio_out_cb, &out_fmt);
226 /* no sense emulating OUT3 which is a mix of other outputs */
227
683efdcb
AZ		 228 wm8750_vol_update(s);
229
adb86c37
AZ		 230 /* We should connect the left and right channels to their
231 * respective inputs/outputs but we have completely no need
232 * for mixing or combining paths to different ports, so we
233 * connect both channels to where the left channel is routed. */
234 if (s->in[0] && *s->in[0])
235 AUD_set_active_in(*s->in[0], 1);
236 if (s->out[0] && *s->out[0])
237 AUD_set_active_out(*s->out[0], 1);
238}
239
bc24a225 240static void wm8750_clk_update(WM8750State *s, int ext)
af83e09e
AZ		 241{
242 if (s->master || !s->ext_dac_hz)
243 s->dac_hz = s->rate->dac_hz;
244 else
245 s->dac_hz = s->ext_dac_hz;
246
247 if (s->master || !s->ext_adc_hz)
248 s->adc_hz = s->rate->adc_hz;
249 else
250 s->adc_hz = s->ext_adc_hz;
251
252 if (s->master || (!s->ext_dac_hz && !s->ext_adc_hz)) {
253 if (!ext)
254 wm8750_set_format(s);
255 } else {
256 if (ext)
257 wm8750_set_format(s);
258 }
259}
260
9e07bdf8 261static void wm8750_reset(I2CSlave *i2c)
adb86c37 262{
bc229b0f
AF		 263 WM8750State *s = WM8750(i2c);
264
eb69b50a 265 s->rate = &wm_rate_table[0];
adb86c37 266 s->enable = 0;
af83e09e 267 wm8750_clk_update(s, 1);
adb86c37
AZ		 268 s->diff[0] = 0;
269 s->diff[1] = 0;
270 s->ds = 0;
271 s->alc = 0;
272 s->in[0] = &s->adc_voice[0];
273 s->invol[0] = 0x17;
274 s->invol[1] = 0x17;
275 s->invol[2] = 0xc3;
276 s->invol[3] = 0xc3;
277 s->out[0] = &s->dac_voice[0];
278 s->outvol[0] = 0xff;
279 s->outvol[1] = 0xff;
280 s->outvol[2] = 0x79;
281 s->outvol[3] = 0x79;
282 s->outvol[4] = 0x79;
283 s->outvol[5] = 0x79;
db502b61 284 s->outvol[6] = 0x79;
adb86c37
AZ		 285 s->inmute[0] = 0;
286 s->inmute[1] = 0;
287 s->outmute[0] = 0;
288 s->outmute[1] = 0;
289 s->mute = 1;
290 s->path[0] = 0;
291 s->path[1] = 0;
292 s->path[2] = 0;
293 s->path[3] = 0;
294 s->mpath[0] = 0;
295 s->mpath[1] = 0;
296 s->format = 0x0a;
297 s->idx_in = sizeof(s->data_in);
298 s->req_in = 0;
299 s->idx_out = 0;
300 s->req_out = 0;
683efdcb 301 wm8750_vol_update(s);
adb86c37
AZ		 302 s->i2c_len = 0;
303}
304
9e07bdf8 305static void wm8750_event(I2CSlave *i2c, enum i2c_event event)
adb86c37 306{
bc229b0f 307 WM8750State *s = WM8750(i2c);
adb86c37
AZ		 308
309 switch (event) {
310 case I2C_START_SEND:
311 s->i2c_len = 0;
312 break;
313 case I2C_FINISH:
314#ifdef VERBOSE
315 if (s->i2c_len < 2)
316 printf("%s: message too short (%i bytes)\n",
317 __FUNCTION__, s->i2c_len);
318#endif
319 break;
320 default:
321 break;
322 }
323}
324
325#define WM8750_LINVOL 0x00
326#define WM8750_RINVOL 0x01
327#define WM8750_LOUT1V 0x02
328#define WM8750_ROUT1V 0x03
329#define WM8750_ADCDAC 0x05
330#define WM8750_IFACE 0x07
331#define WM8750_SRATE 0x08
332#define WM8750_LDAC 0x0a
333#define WM8750_RDAC 0x0b
334#define WM8750_BASS 0x0c
335#define WM8750_TREBLE 0x0d
336#define WM8750_RESET 0x0f
337#define WM8750_3D 0x10
338#define WM8750_ALC1 0x11
339#define WM8750_ALC2 0x12
340#define WM8750_ALC3 0x13
341#define WM8750_NGATE 0x14
342#define WM8750_LADC 0x15
343#define WM8750_RADC 0x16
344#define WM8750_ADCTL1 0x17
345#define WM8750_ADCTL2 0x18
346#define WM8750_PWR1 0x19
347#define WM8750_PWR2 0x1a
348#define WM8750_ADCTL3 0x1b
349#define WM8750_ADCIN 0x1f
350#define WM8750_LADCIN 0x20
351#define WM8750_RADCIN 0x21
352#define WM8750_LOUTM1 0x22
353#define WM8750_LOUTM2 0x23
354#define WM8750_ROUTM1 0x24
355#define WM8750_ROUTM2 0x25
356#define WM8750_MOUTM1 0x26
357#define WM8750_MOUTM2 0x27
358#define WM8750_LOUT2V 0x28
359#define WM8750_ROUT2V 0x29
360#define WM8750_MOUTV 0x2a
361
9e07bdf8 362static int wm8750_tx(I2CSlave *i2c, uint8_t data)
adb86c37 363{
bc229b0f 364 WM8750State *s = WM8750(i2c);
adb86c37
AZ		 365 uint8_t cmd;
366 uint16_t value;
367
368 if (s->i2c_len >= 2) {
adb86c37 369#ifdef VERBOSE
149eeb5f 370 printf("%s: long message (%i bytes)\n", __func__, s->i2c_len);
adb86c37 371#endif
149eeb5f 372 return 1;
adb86c37
AZ		 373 }
374 s->i2c_data[s->i2c_len ++] = data;
375 if (s->i2c_len != 2)
376 return 0;
377
378 cmd = s->i2c_data[0] >> 1;
379 value = ((s->i2c_data[0] << 8) | s->i2c_data[1]) & 0x1ff;
380
381 switch (cmd) {
382 case WM8750_LADCIN: /* ADC Signal Path Control (Left) */
383 s->diff[0] = (((value >> 6) & 3) == 3); /* LINSEL */
384 if (s->diff[0])
385 s->in[0] = &s->adc_voice[0 + s->ds * 1];
386 else
387 s->in[0] = &s->adc_voice[((value >> 6) & 3) * 1 + 0];
388 break;
389
390 case WM8750_RADCIN: /* ADC Signal Path Control (Right) */
391 s->diff[1] = (((value >> 6) & 3) == 3); /* RINSEL */
392 if (s->diff[1])
393 s->in[1] = &s->adc_voice[0 + s->ds * 1];
394 else
395 s->in[1] = &s->adc_voice[((value >> 6) & 3) * 1 + 0];
396 break;
397
398 case WM8750_ADCIN: /* ADC Input Mode */
399 s->ds = (value >> 8) & 1; /* DS */
400 if (s->diff[0])
401 s->in[0] = &s->adc_voice[0 + s->ds * 1];
402 if (s->diff[1])
403 s->in[1] = &s->adc_voice[0 + s->ds * 1];
404 s->monomix[0] = (value >> 6) & 3; /* MONOMIX */
405 break;
406
407 case WM8750_ADCTL1: /* Additional Control (1) */
408 s->monomix[1] = (value >> 1) & 1; /* DMONOMIX */
409 break;
410
411 case WM8750_PWR1: /* Power Management (1) */
412 s->enable = ((value >> 6) & 7) == 3; /* VMIDSEL, VREF */
413 wm8750_set_format(s);
414 break;
415
416 case WM8750_LINVOL: /* Left Channel PGA */
417 s->invol[0] = value & 0x3f; /* LINVOL */
418 s->inmute[0] = (value >> 7) & 1; /* LINMUTE */
683efdcb 419 wm8750_vol_update(s);
adb86c37
AZ		 420 break;
421
422 case WM8750_RINVOL: /* Right Channel PGA */
423 s->invol[1] = value & 0x3f; /* RINVOL */
424 s->inmute[1] = (value >> 7) & 1; /* RINMUTE */
683efdcb 425 wm8750_vol_update(s);
adb86c37
AZ		 426 break;
427
428 case WM8750_ADCDAC: /* ADC and DAC Control */
429 s->pol = (value >> 5) & 3; /* ADCPOL */
430 s->mute = (value >> 3) & 1; /* DACMU */
683efdcb 431 wm8750_vol_update(s);
adb86c37
AZ		 432 break;
433
434 case WM8750_ADCTL3: /* Additional Control (3) */
435 break;
436
437 case WM8750_LADC: /* Left ADC Digital Volume */
438 s->invol[2] = value & 0xff; /* LADCVOL */
db502b61 439 wm8750_vol_update(s);
adb86c37
AZ		 440 break;
441
442 case WM8750_RADC: /* Right ADC Digital Volume */
443 s->invol[3] = value & 0xff; /* RADCVOL */
db502b61 444 wm8750_vol_update(s);
adb86c37
AZ		 445 break;
446
447 case WM8750_ALC1: /* ALC Control (1) */
448 s->alc = (value >> 7) & 3; /* ALCSEL */
449 break;
450
451 case WM8750_NGATE: /* Noise Gate Control */
452 case WM8750_3D: /* 3D enhance */
453 break;
454
455 case WM8750_LDAC: /* Left Channel Digital Volume */
456 s->outvol[0] = value & 0xff; /* LDACVOL */
db502b61 457 wm8750_vol_update(s);
adb86c37
AZ		 458 break;
459
460 case WM8750_RDAC: /* Right Channel Digital Volume */
461 s->outvol[1] = value & 0xff; /* RDACVOL */
db502b61 462 wm8750_vol_update(s);
adb86c37
AZ		 463 break;
464
465 case WM8750_BASS: /* Bass Control */
466 break;
467
468 case WM8750_LOUTM1: /* Left Mixer Control (1) */
469 s->path[0] = (value >> 8) & 1; /* LD2LO */
db502b61
AZ		 470 /* TODO: mute/unmute respective paths */
471 wm8750_vol_update(s);
adb86c37
AZ		 472 break;
473
474 case WM8750_LOUTM2: /* Left Mixer Control (2) */
475 s->path[1] = (value >> 8) & 1; /* RD2LO */
db502b61
AZ		 476 /* TODO: mute/unmute respective paths */
477 wm8750_vol_update(s);
adb86c37
AZ		 478 break;
479
480 case WM8750_ROUTM1: /* Right Mixer Control (1) */
481 s->path[2] = (value >> 8) & 1; /* LD2RO */
db502b61
AZ		 482 /* TODO: mute/unmute respective paths */
483 wm8750_vol_update(s);
adb86c37
AZ		 484 break;
485
486 case WM8750_ROUTM2: /* Right Mixer Control (2) */
487 s->path[3] = (value >> 8) & 1; /* RD2RO */
db502b61
AZ		 488 /* TODO: mute/unmute respective paths */
489 wm8750_vol_update(s);
adb86c37
AZ		 490 break;
491
492 case WM8750_MOUTM1: /* Mono Mixer Control (1) */
493 s->mpath[0] = (value >> 8) & 1; /* LD2MO */
db502b61
AZ		 494 /* TODO: mute/unmute respective paths */
495 wm8750_vol_update(s);
adb86c37
AZ		 496 break;
497
498 case WM8750_MOUTM2: /* Mono Mixer Control (2) */
499 s->mpath[1] = (value >> 8) & 1; /* RD2MO */
db502b61
AZ		 500 /* TODO: mute/unmute respective paths */
501 wm8750_vol_update(s);
adb86c37
AZ		 502 break;
503
504 case WM8750_LOUT1V: /* LOUT1 Volume */
683efdcb 505 s->outvol[2] = value & 0x7f; /* LOUT1VOL */
db502b61 506 wm8750_vol_update(s);
adb86c37
AZ		 507 break;
508
509 case WM8750_LOUT2V: /* LOUT2 Volume */
510 s->outvol[4] = value & 0x7f; /* LOUT2VOL */
683efdcb 511 wm8750_vol_update(s);
adb86c37
AZ		 512 break;
513
514 case WM8750_ROUT1V: /* ROUT1 Volume */
683efdcb 515 s->outvol[3] = value & 0x7f; /* ROUT1VOL */
db502b61 516 wm8750_vol_update(s);
adb86c37
AZ		 517 break;
518
519 case WM8750_ROUT2V: /* ROUT2 Volume */
520 s->outvol[5] = value & 0x7f; /* ROUT2VOL */
683efdcb 521 wm8750_vol_update(s);
adb86c37
AZ		 522 break;
523
524 case WM8750_MOUTV: /* MONOOUT Volume */
525 s->outvol[6] = value & 0x7f; /* MONOOUTVOL */
db502b61 526 wm8750_vol_update(s);
adb86c37
AZ		 527 break;
528
529 case WM8750_ADCTL2: /* Additional Control (2) */
530 break;
531
532 case WM8750_PWR2: /* Power Management (2) */
533 s->power = value & 0x7e;
db502b61
AZ		 534 /* TODO: mute/unmute respective paths */
535 wm8750_vol_update(s);
adb86c37
AZ		 536 break;
537
538 case WM8750_IFACE: /* Digital Audio Interface Format */
adb86c37 539 s->format = value;
af83e09e
AZ		 540 s->master = (value >> 6) & 1; /* MS */
541 wm8750_clk_update(s, s->master);
adb86c37
AZ		 542 break;
543
544 case WM8750_SRATE: /* Clocking and Sample Rate Control */
545 s->rate = &wm_rate_table[(value >> 1) & 0x1f];
af83e09e 546 wm8750_clk_update(s, 0);
adb86c37
AZ		 547 break;
548
549 case WM8750_RESET: /* Reset */
bc229b0f 550 wm8750_reset(I2C_SLAVE(s));
adb86c37
AZ		 551 break;
552
553#ifdef VERBOSE
554 default:
555 printf("%s: unknown register %02x\n", __FUNCTION__, cmd);
556#endif
557 }
558
559 return 0;
560}
561
9e07bdf8 562static int wm8750_rx(I2CSlave *i2c)
adb86c37
AZ		 563{
564 return 0x00;
565}
566
c1d803b3 567static void wm8750_pre_save(void *opaque)
aa941b94 568{
c1d803b3
JQ		 569 WM8750State *s = opaque;
570
9841aee1 571 s->rate_vmstate = s->rate - wm_rate_table;
aa941b94
AZ		 572}
573
c1d803b3 574static int wm8750_post_load(void *opaque, int version_id)
aa941b94 575{
c1d803b3
JQ		 576 WM8750State *s = opaque;
577
578 s->rate = &wm_rate_table[s->rate_vmstate & 0x1f];
aa941b94
AZ		 579 return 0;
580}
581
c1d803b3
JQ		 582static const VMStateDescription vmstate_wm8750 = {
583 .name = CODEC,
584 .version_id = 0,
585 .minimum_version_id = 0,
586 .minimum_version_id_old = 0,
587 .pre_save = wm8750_pre_save,
588 .post_load = wm8750_post_load,
589 .fields = (VMStateField []) {
590 VMSTATE_UINT8_ARRAY(i2c_data, WM8750State, 2),
591 VMSTATE_INT32(i2c_len, WM8750State),
592 VMSTATE_INT32(enable, WM8750State),
593 VMSTATE_INT32(idx_in, WM8750State),
594 VMSTATE_INT32(req_in, WM8750State),
595 VMSTATE_INT32(idx_out, WM8750State),
596 VMSTATE_INT32(req_out, WM8750State),
597 VMSTATE_UINT8_ARRAY(outvol, WM8750State, 7),
598 VMSTATE_UINT8_ARRAY(outmute, WM8750State, 2),
599 VMSTATE_UINT8_ARRAY(invol, WM8750State, 4),
600 VMSTATE_UINT8_ARRAY(inmute, WM8750State, 2),
601 VMSTATE_UINT8_ARRAY(diff, WM8750State, 2),
602 VMSTATE_UINT8(pol, WM8750State),
603 VMSTATE_UINT8(ds, WM8750State),
604 VMSTATE_UINT8_ARRAY(monomix, WM8750State, 2),
605 VMSTATE_UINT8(alc, WM8750State),
606 VMSTATE_UINT8(mute, WM8750State),
607 VMSTATE_UINT8_ARRAY(path, WM8750State, 4),
608 VMSTATE_UINT8_ARRAY(mpath, WM8750State, 2),
609 VMSTATE_UINT8(format, WM8750State),
610 VMSTATE_UINT8(power, WM8750State),
611 VMSTATE_UINT8(rate_vmstate, WM8750State),
bc229b0f 612 VMSTATE_I2C_SLAVE(parent_obj, WM8750State),
c1d803b3
JQ		 613 VMSTATE_END_OF_LIST()
614 }
615};
616
9e07bdf8 617static int wm8750_init(I2CSlave *i2c)
adb86c37 618{
bc229b0f 619 WM8750State *s = WM8750(i2c);
adb86c37 620
1a7dafce 621 AUD_register_card(CODEC, &s->card);
bc229b0f 622 wm8750_reset(I2C_SLAVE(s));
adb86c37 623
81a322d4 624 return 0;
adb86c37
AZ		 625}
626
523111e7 627#if 0
9e07bdf8 628static void wm8750_fini(I2CSlave *i2c)
adb86c37 629{
bc229b0f
AF		 630 WM8750State *s = WM8750(i2c);
631
632 wm8750_reset(I2C_SLAVE(s));
adb86c37 633 AUD_remove_card(&s->card);
7267c094 634 g_free(s);
adb86c37 635}
523111e7 636#endif
adb86c37 637
cdbe40ca 638void wm8750_data_req_set(DeviceState *dev,
adb86c37
AZ		 639 void (*data_req)(void *, int, int), void *opaque)
640{
bc229b0f
AF		 641 WM8750State *s = WM8750(dev);
642
adb86c37
AZ		 643 s->data_req = data_req;
644 s->opaque = opaque;
645}
646
647void wm8750_dac_dat(void *opaque, uint32_t sample)
648{
bc24a225 649 WM8750State *s = (WM8750State *) opaque;
af83e09e 650
683efdcb 651 *(uint32_t *) &s->data_out[s->idx_out] = sample;
adb86c37
AZ		 652 s->req_out -= 4;
653 s->idx_out += 4;
654 if (s->idx_out >= sizeof(s->data_out) || s->req_out <= 0)
655 wm8750_out_flush(s);
656}
657
662caa6f
AZ		 658void *wm8750_dac_buffer(void *opaque, int samples)
659{
bc24a225 660 WM8750State *s = (WM8750State *) opaque;
662caa6f
AZ		 661 /* XXX: Should check if there are <i>samples</i> free samples available */
662 void *ret = s->data_out + s->idx_out;
663
664 s->idx_out += samples << 2;
665 s->req_out -= samples << 2;
666 return ret;
667}
668
669void wm8750_dac_commit(void *opaque)
670{
bc24a225 671 WM8750State *s = (WM8750State *) opaque;
662caa6f 672
7442511c 673 wm8750_out_flush(s);
662caa6f
AZ		 674}
675
adb86c37
AZ		 676uint32_t wm8750_adc_dat(void *opaque)
677{
bc24a225 678 WM8750State *s = (WM8750State *) opaque;
adb86c37 679 uint32_t *data;
af83e09e 680
adb86c37
AZ		 681 if (s->idx_in >= sizeof(s->data_in))
682 wm8750_in_load(s);
af83e09e 683
adb86c37
AZ		 684 data = (uint32_t *) &s->data_in[s->idx_in];
685 s->req_in -= 4;
686 s->idx_in += 4;
683efdcb 687 return *data;
adb86c37 688}
af83e09e 689
b0f74c87 690void wm8750_set_bclk_in(void *opaque, int new_hz)
af83e09e 691{
bc24a225 692 WM8750State *s = (WM8750State *) opaque;
af83e09e 693
b0f74c87
AZ		 694 s->ext_adc_hz = new_hz;
695 s->ext_dac_hz = new_hz;
af83e09e
AZ		 696 wm8750_clk_update(s, 1);
697}
cdbe40ca 698
b5ea9327
AL		 699static void wm8750_class_init(ObjectClass *klass, void *data)
700{
39bffca2 701 DeviceClass *dc = DEVICE_CLASS(klass);
b5ea9327
AL		 702 I2CSlaveClass *sc = I2C_SLAVE_CLASS(klass);
703
704 sc->init = wm8750_init;
705 sc->event = wm8750_event;
706 sc->recv = wm8750_rx;
707 sc->send = wm8750_tx;
39bffca2 708 dc->vmsd = &vmstate_wm8750;
b5ea9327
AL		 709}
710
8c43a6f0 711static const TypeInfo wm8750_info = {
bc229b0f 712 .name = TYPE_WM8750,
39bffca2
AL		 713 .parent = TYPE_I2C_SLAVE,
714 .instance_size = sizeof(WM8750State),
715 .class_init = wm8750_class_init,
cdbe40ca
PB		 716};
717
83f7d43a 718static void wm8750_register_types(void)
cdbe40ca 719{
39bffca2 720 type_register_static(&wm8750_info);
cdbe40ca
PB		 721}
722
83f7d43a 723type_init(wm8750_register_types)
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