1
2
3
4
5
6
7
8
9
10
11
12#include <linux/module.h>
13#include <linux/moduleparam.h>
14#include <linux/init.h>
15#include <linux/delay.h>
16#include <linux/pm.h>
17#include <linux/i2c.h>
18#include <linux/regmap.h>
19#include <linux/spi/spi.h>
20#include <linux/slab.h>
21#include <linux/of_device.h>
22#include <sound/core.h>
23#include <sound/pcm.h>
24#include <sound/pcm_params.h>
25#include <sound/soc.h>
26#include <sound/initval.h>
27
28#include "wm8750.h"
29
30
31
32
33
34
35static const struct reg_default wm8750_reg_defaults[] = {
36 { 0, 0x0097 },
37 { 1, 0x0097 },
38 { 2, 0x0079 },
39 { 3, 0x0079 },
40 { 4, 0x0000 },
41 { 5, 0x0008 },
42 { 6, 0x0000 },
43 { 7, 0x000a },
44 { 8, 0x0000 },
45 { 9, 0x0000 },
46 { 10, 0x00ff },
47 { 11, 0x00ff },
48 { 12, 0x000f },
49 { 13, 0x000f },
50 { 14, 0x0000 },
51 { 15, 0x0000 },
52 { 16, 0x0000 },
53 { 17, 0x007b },
54 { 18, 0x0000 },
55 { 19, 0x0032 },
56 { 20, 0x0000 },
57 { 21, 0x00c3 },
58 { 22, 0x00c3 },
59 { 23, 0x00c0 },
60 { 24, 0x0000 },
61 { 25, 0x0000 },
62 { 26, 0x0000 },
63 { 27, 0x0000 },
64 { 28, 0x0000 },
65 { 29, 0x0000 },
66 { 30, 0x0000 },
67 { 31, 0x0000 },
68 { 32, 0x0000 },
69 { 33, 0x0000 },
70 { 34, 0x0050 },
71 { 35, 0x0050 },
72 { 36, 0x0050 },
73 { 37, 0x0050 },
74 { 38, 0x0050 },
75 { 39, 0x0050 },
76 { 40, 0x0079 },
77 { 41, 0x0079 },
78 { 42, 0x0079 },
79};
80
81
82struct wm8750_priv {
83 unsigned int sysclk;
84};
85
86#define wm8750_reset(c) snd_soc_component_write(c, WM8750_RESET, 0)
87
88
89
90
91static const char *wm8750_bass[] = {"Linear Control", "Adaptive Boost"};
92static const char *wm8750_bass_filter[] = { "130Hz @ 48kHz", "200Hz @ 48kHz" };
93static const char *wm8750_treble[] = {"8kHz", "4kHz"};
94static const char *wm8750_3d_lc[] = {"200Hz", "500Hz"};
95static const char *wm8750_3d_uc[] = {"2.2kHz", "1.5kHz"};
96static const char *wm8750_3d_func[] = {"Capture", "Playback"};
97static const char *wm8750_alc_func[] = {"Off", "Right", "Left", "Stereo"};
98static const char *wm8750_ng_type[] = {"Constant PGA Gain",
99 "Mute ADC Output"};
100static const char *wm8750_line_mux[] = {"Line 1", "Line 2", "Line 3", "PGA",
101 "Differential"};
102static const char *wm8750_pga_sel[] = {"Line 1", "Line 2", "Line 3",
103 "Differential"};
104static const char *wm8750_out3[] = {"VREF", "ROUT1 + Vol", "MonoOut",
105 "ROUT1"};
106static const char *wm8750_diff_sel[] = {"Line 1", "Line 2"};
107static const char *wm8750_adcpol[] = {"Normal", "L Invert", "R Invert",
108 "L + R Invert"};
109static const char *wm8750_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"};
110static const char *wm8750_mono_mux[] = {"Stereo", "Mono (Left)",
111 "Mono (Right)", "Digital Mono"};
112
113static const struct soc_enum wm8750_enum[] = {
114SOC_ENUM_SINGLE(WM8750_BASS, 7, 2, wm8750_bass),
115SOC_ENUM_SINGLE(WM8750_BASS, 6, 2, wm8750_bass_filter),
116SOC_ENUM_SINGLE(WM8750_TREBLE, 6, 2, wm8750_treble),
117SOC_ENUM_SINGLE(WM8750_3D, 5, 2, wm8750_3d_lc),
118SOC_ENUM_SINGLE(WM8750_3D, 6, 2, wm8750_3d_uc),
119SOC_ENUM_SINGLE(WM8750_3D, 7, 2, wm8750_3d_func),
120SOC_ENUM_SINGLE(WM8750_ALC1, 7, 4, wm8750_alc_func),
121SOC_ENUM_SINGLE(WM8750_NGATE, 1, 2, wm8750_ng_type),
122SOC_ENUM_SINGLE(WM8750_LOUTM1, 0, 5, wm8750_line_mux),
123SOC_ENUM_SINGLE(WM8750_ROUTM1, 0, 5, wm8750_line_mux),
124SOC_ENUM_SINGLE(WM8750_LADCIN, 6, 4, wm8750_pga_sel),
125SOC_ENUM_SINGLE(WM8750_RADCIN, 6, 4, wm8750_pga_sel),
126SOC_ENUM_SINGLE(WM8750_ADCTL2, 7, 4, wm8750_out3),
127SOC_ENUM_SINGLE(WM8750_ADCIN, 8, 2, wm8750_diff_sel),
128SOC_ENUM_SINGLE(WM8750_ADCDAC, 5, 4, wm8750_adcpol),
129SOC_ENUM_SINGLE(WM8750_ADCDAC, 1, 4, wm8750_deemph),
130SOC_ENUM_SINGLE(WM8750_ADCIN, 6, 4, wm8750_mono_mux),
131
132};
133
134static const struct snd_kcontrol_new wm8750_snd_controls[] = {
135
136SOC_DOUBLE_R("Capture Volume", WM8750_LINVOL, WM8750_RINVOL, 0, 63, 0),
137SOC_DOUBLE_R("Capture ZC Switch", WM8750_LINVOL, WM8750_RINVOL, 6, 1, 0),
138SOC_DOUBLE_R("Capture Switch", WM8750_LINVOL, WM8750_RINVOL, 7, 1, 1),
139
140SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8750_LOUT1V,
141 WM8750_ROUT1V, 7, 1, 0),
142SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8750_LOUT2V,
143 WM8750_ROUT2V, 7, 1, 0),
144
145SOC_ENUM("Playback De-emphasis", wm8750_enum[15]),
146
147SOC_ENUM("Capture Polarity", wm8750_enum[14]),
148SOC_SINGLE("Playback 6dB Attenuate", WM8750_ADCDAC, 7, 1, 0),
149SOC_SINGLE("Capture 6dB Attenuate", WM8750_ADCDAC, 8, 1, 0),
150
151SOC_DOUBLE_R("PCM Volume", WM8750_LDAC, WM8750_RDAC, 0, 255, 0),
152
153SOC_ENUM("Bass Boost", wm8750_enum[0]),
154SOC_ENUM("Bass Filter", wm8750_enum[1]),
155SOC_SINGLE("Bass Volume", WM8750_BASS, 0, 15, 1),
156
157SOC_SINGLE("Treble Volume", WM8750_TREBLE, 0, 15, 1),
158SOC_ENUM("Treble Cut-off", wm8750_enum[2]),
159
160SOC_SINGLE("3D Switch", WM8750_3D, 0, 1, 0),
161SOC_SINGLE("3D Volume", WM8750_3D, 1, 15, 0),
162SOC_ENUM("3D Lower Cut-off", wm8750_enum[3]),
163SOC_ENUM("3D Upper Cut-off", wm8750_enum[4]),
164SOC_ENUM("3D Mode", wm8750_enum[5]),
165
166SOC_SINGLE("ALC Capture Target Volume", WM8750_ALC1, 0, 7, 0),
167SOC_SINGLE("ALC Capture Max Volume", WM8750_ALC1, 4, 7, 0),
168SOC_ENUM("ALC Capture Function", wm8750_enum[6]),
169SOC_SINGLE("ALC Capture ZC Switch", WM8750_ALC2, 7, 1, 0),
170SOC_SINGLE("ALC Capture Hold Time", WM8750_ALC2, 0, 15, 0),
171SOC_SINGLE("ALC Capture Decay Time", WM8750_ALC3, 4, 15, 0),
172SOC_SINGLE("ALC Capture Attack Time", WM8750_ALC3, 0, 15, 0),
173SOC_SINGLE("ALC Capture NG Threshold", WM8750_NGATE, 3, 31, 0),
174SOC_ENUM("ALC Capture NG Type", wm8750_enum[4]),
175SOC_SINGLE("ALC Capture NG Switch", WM8750_NGATE, 0, 1, 0),
176
177SOC_SINGLE("Left ADC Capture Volume", WM8750_LADC, 0, 255, 0),
178SOC_SINGLE("Right ADC Capture Volume", WM8750_RADC, 0, 255, 0),
179
180SOC_SINGLE("ZC Timeout Switch", WM8750_ADCTL1, 0, 1, 0),
181SOC_SINGLE("Playback Invert Switch", WM8750_ADCTL1, 1, 1, 0),
182
183SOC_SINGLE("Right Speaker Playback Invert Switch", WM8750_ADCTL2, 4, 1, 0),
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199SOC_DOUBLE_R("Mic Boost", WM8750_LADCIN, WM8750_RADCIN, 4, 3, 0),
200
201SOC_DOUBLE_R("Bypass Left Playback Volume", WM8750_LOUTM1,
202 WM8750_LOUTM2, 4, 7, 1),
203SOC_DOUBLE_R("Bypass Right Playback Volume", WM8750_ROUTM1,
204 WM8750_ROUTM2, 4, 7, 1),
205SOC_DOUBLE_R("Bypass Mono Playback Volume", WM8750_MOUTM1,
206 WM8750_MOUTM2, 4, 7, 1),
207
208SOC_SINGLE("Mono Playback ZC Switch", WM8750_MOUTV, 7, 1, 0),
209
210SOC_DOUBLE_R("Headphone Playback Volume", WM8750_LOUT1V, WM8750_ROUT1V,
211 0, 127, 0),
212SOC_DOUBLE_R("Speaker Playback Volume", WM8750_LOUT2V, WM8750_ROUT2V,
213 0, 127, 0),
214
215SOC_SINGLE("Mono Playback Volume", WM8750_MOUTV, 0, 127, 0),
216
217};
218
219
220
221
222
223
224static const struct snd_kcontrol_new wm8750_left_mixer_controls[] = {
225SOC_DAPM_SINGLE("Playback Switch", WM8750_LOUTM1, 8, 1, 0),
226SOC_DAPM_SINGLE("Left Bypass Switch", WM8750_LOUTM1, 7, 1, 0),
227SOC_DAPM_SINGLE("Right Playback Switch", WM8750_LOUTM2, 8, 1, 0),
228SOC_DAPM_SINGLE("Right Bypass Switch", WM8750_LOUTM2, 7, 1, 0),
229};
230
231
232static const struct snd_kcontrol_new wm8750_right_mixer_controls[] = {
233SOC_DAPM_SINGLE("Left Playback Switch", WM8750_ROUTM1, 8, 1, 0),
234SOC_DAPM_SINGLE("Left Bypass Switch", WM8750_ROUTM1, 7, 1, 0),
235SOC_DAPM_SINGLE("Playback Switch", WM8750_ROUTM2, 8, 1, 0),
236SOC_DAPM_SINGLE("Right Bypass Switch", WM8750_ROUTM2, 7, 1, 0),
237};
238
239
240static const struct snd_kcontrol_new wm8750_mono_mixer_controls[] = {
241SOC_DAPM_SINGLE("Left Playback Switch", WM8750_MOUTM1, 8, 1, 0),
242SOC_DAPM_SINGLE("Left Bypass Switch", WM8750_MOUTM1, 7, 1, 0),
243SOC_DAPM_SINGLE("Right Playback Switch", WM8750_MOUTM2, 8, 1, 0),
244SOC_DAPM_SINGLE("Right Bypass Switch", WM8750_MOUTM2, 7, 1, 0),
245};
246
247
248static const struct snd_kcontrol_new wm8750_left_line_controls =
249SOC_DAPM_ENUM("Route", wm8750_enum[8]);
250
251
252static const struct snd_kcontrol_new wm8750_right_line_controls =
253SOC_DAPM_ENUM("Route", wm8750_enum[9]);
254
255
256static const struct snd_kcontrol_new wm8750_left_pga_controls =
257SOC_DAPM_ENUM("Route", wm8750_enum[10]);
258
259
260static const struct snd_kcontrol_new wm8750_right_pga_controls =
261SOC_DAPM_ENUM("Route", wm8750_enum[11]);
262
263
264static const struct snd_kcontrol_new wm8750_out3_controls =
265SOC_DAPM_ENUM("Route", wm8750_enum[12]);
266
267
268static const struct snd_kcontrol_new wm8750_diffmux_controls =
269SOC_DAPM_ENUM("Route", wm8750_enum[13]);
270
271
272static const struct snd_kcontrol_new wm8750_monomux_controls =
273SOC_DAPM_ENUM("Route", wm8750_enum[16]);
274
275static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = {
276 SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0,
277 &wm8750_left_mixer_controls[0],
278 ARRAY_SIZE(wm8750_left_mixer_controls)),
279 SND_SOC_DAPM_MIXER("Right Mixer", SND_SOC_NOPM, 0, 0,
280 &wm8750_right_mixer_controls[0],
281 ARRAY_SIZE(wm8750_right_mixer_controls)),
282 SND_SOC_DAPM_MIXER("Mono Mixer", WM8750_PWR2, 2, 0,
283 &wm8750_mono_mixer_controls[0],
284 ARRAY_SIZE(wm8750_mono_mixer_controls)),
285
286 SND_SOC_DAPM_PGA("Right Out 2", WM8750_PWR2, 3, 0, NULL, 0),
287 SND_SOC_DAPM_PGA("Left Out 2", WM8750_PWR2, 4, 0, NULL, 0),
288 SND_SOC_DAPM_PGA("Right Out 1", WM8750_PWR2, 5, 0, NULL, 0),
289 SND_SOC_DAPM_PGA("Left Out 1", WM8750_PWR2, 6, 0, NULL, 0),
290 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8750_PWR2, 7, 0),
291 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8750_PWR2, 8, 0),
292
293 SND_SOC_DAPM_MICBIAS("Mic Bias", WM8750_PWR1, 1, 0),
294 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8750_PWR1, 2, 0),
295 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8750_PWR1, 3, 0),
296
297 SND_SOC_DAPM_MUX("Left PGA Mux", WM8750_PWR1, 5, 0,
298 &wm8750_left_pga_controls),
299 SND_SOC_DAPM_MUX("Right PGA Mux", WM8750_PWR1, 4, 0,
300 &wm8750_right_pga_controls),
301 SND_SOC_DAPM_MUX("Left Line Mux", SND_SOC_NOPM, 0, 0,
302 &wm8750_left_line_controls),
303 SND_SOC_DAPM_MUX("Right Line Mux", SND_SOC_NOPM, 0, 0,
304 &wm8750_right_line_controls),
305
306 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, &wm8750_out3_controls),
307 SND_SOC_DAPM_PGA("Out 3", WM8750_PWR2, 1, 0, NULL, 0),
308 SND_SOC_DAPM_PGA("Mono Out 1", WM8750_PWR2, 2, 0, NULL, 0),
309
310 SND_SOC_DAPM_MUX("Differential Mux", SND_SOC_NOPM, 0, 0,
311 &wm8750_diffmux_controls),
312 SND_SOC_DAPM_MUX("Left ADC Mux", SND_SOC_NOPM, 0, 0,
313 &wm8750_monomux_controls),
314 SND_SOC_DAPM_MUX("Right ADC Mux", SND_SOC_NOPM, 0, 0,
315 &wm8750_monomux_controls),
316
317 SND_SOC_DAPM_OUTPUT("LOUT1"),
318 SND_SOC_DAPM_OUTPUT("ROUT1"),
319 SND_SOC_DAPM_OUTPUT("LOUT2"),
320 SND_SOC_DAPM_OUTPUT("ROUT2"),
321 SND_SOC_DAPM_OUTPUT("MONO1"),
322 SND_SOC_DAPM_OUTPUT("OUT3"),
323 SND_SOC_DAPM_VMID("VREF"),
324
325 SND_SOC_DAPM_INPUT("LINPUT1"),
326 SND_SOC_DAPM_INPUT("LINPUT2"),
327 SND_SOC_DAPM_INPUT("LINPUT3"),
328 SND_SOC_DAPM_INPUT("RINPUT1"),
329 SND_SOC_DAPM_INPUT("RINPUT2"),
330 SND_SOC_DAPM_INPUT("RINPUT3"),
331};
332
333static const struct snd_soc_dapm_route wm8750_dapm_routes[] = {
334
335 {"Left Mixer", "Playback Switch", "Left DAC"},
336 {"Left Mixer", "Left Bypass Switch", "Left Line Mux"},
337 {"Left Mixer", "Right Playback Switch", "Right DAC"},
338 {"Left Mixer", "Right Bypass Switch", "Right Line Mux"},
339
340
341 {"Right Mixer", "Left Playback Switch", "Left DAC"},
342 {"Right Mixer", "Left Bypass Switch", "Left Line Mux"},
343 {"Right Mixer", "Playback Switch", "Right DAC"},
344 {"Right Mixer", "Right Bypass Switch", "Right Line Mux"},
345
346
347 {"Left Out 1", NULL, "Left Mixer"},
348 {"LOUT1", NULL, "Left Out 1"},
349
350
351 {"Left Out 2", NULL, "Left Mixer"},
352 {"LOUT2", NULL, "Left Out 2"},
353
354
355 {"Right Out 1", NULL, "Right Mixer"},
356 {"ROUT1", NULL, "Right Out 1"},
357
358
359 {"Right Out 2", NULL, "Right Mixer"},
360 {"ROUT2", NULL, "Right Out 2"},
361
362
363 {"Mono Mixer", "Left Playback Switch", "Left DAC"},
364 {"Mono Mixer", "Left Bypass Switch", "Left Line Mux"},
365 {"Mono Mixer", "Right Playback Switch", "Right DAC"},
366 {"Mono Mixer", "Right Bypass Switch", "Right Line Mux"},
367
368
369 {"Mono Out 1", NULL, "Mono Mixer"},
370 {"MONO1", NULL, "Mono Out 1"},
371
372
373 {"Out3 Mux", "VREF", "VREF"},
374 {"Out3 Mux", "ROUT1 + Vol", "ROUT1"},
375 {"Out3 Mux", "ROUT1", "Right Mixer"},
376 {"Out3 Mux", "MonoOut", "MONO1"},
377 {"Out 3", NULL, "Out3 Mux"},
378 {"OUT3", NULL, "Out 3"},
379
380
381 {"Left Line Mux", "Line 1", "LINPUT1"},
382 {"Left Line Mux", "Line 2", "LINPUT2"},
383 {"Left Line Mux", "Line 3", "LINPUT3"},
384 {"Left Line Mux", "PGA", "Left PGA Mux"},
385 {"Left Line Mux", "Differential", "Differential Mux"},
386
387
388 {"Right Line Mux", "Line 1", "RINPUT1"},
389 {"Right Line Mux", "Line 2", "RINPUT2"},
390 {"Right Line Mux", "Line 3", "RINPUT3"},
391 {"Right Line Mux", "PGA", "Right PGA Mux"},
392 {"Right Line Mux", "Differential", "Differential Mux"},
393
394
395 {"Left PGA Mux", "Line 1", "LINPUT1"},
396 {"Left PGA Mux", "Line 2", "LINPUT2"},
397 {"Left PGA Mux", "Line 3", "LINPUT3"},
398 {"Left PGA Mux", "Differential", "Differential Mux"},
399
400
401 {"Right PGA Mux", "Line 1", "RINPUT1"},
402 {"Right PGA Mux", "Line 2", "RINPUT2"},
403 {"Right PGA Mux", "Line 3", "RINPUT3"},
404 {"Right PGA Mux", "Differential", "Differential Mux"},
405
406
407 {"Differential Mux", "Line 1", "LINPUT1"},
408 {"Differential Mux", "Line 1", "RINPUT1"},
409 {"Differential Mux", "Line 2", "LINPUT2"},
410 {"Differential Mux", "Line 2", "RINPUT2"},
411
412
413 {"Left ADC Mux", "Stereo", "Left PGA Mux"},
414 {"Left ADC Mux", "Mono (Left)", "Left PGA Mux"},
415 {"Left ADC Mux", "Digital Mono", "Left PGA Mux"},
416
417
418 {"Right ADC Mux", "Stereo", "Right PGA Mux"},
419 {"Right ADC Mux", "Mono (Right)", "Right PGA Mux"},
420 {"Right ADC Mux", "Digital Mono", "Right PGA Mux"},
421
422
423 {"Left ADC", NULL, "Left ADC Mux"},
424 {"Right ADC", NULL, "Right ADC Mux"},
425};
426
427struct _coeff_div {
428 u32 mclk;
429 u32 rate;
430 u16 fs;
431 u8 sr:5;
432 u8 usb:1;
433};
434
435
436static const struct _coeff_div coeff_div[] = {
437
438 {12288000, 8000, 1536, 0x6, 0x0},
439 {11289600, 8000, 1408, 0x16, 0x0},
440 {18432000, 8000, 2304, 0x7, 0x0},
441 {16934400, 8000, 2112, 0x17, 0x0},
442 {12000000, 8000, 1500, 0x6, 0x1},
443
444
445 {11289600, 11025, 1024, 0x18, 0x0},
446 {16934400, 11025, 1536, 0x19, 0x0},
447 {12000000, 11025, 1088, 0x19, 0x1},
448
449
450 {12288000, 16000, 768, 0xa, 0x0},
451 {18432000, 16000, 1152, 0xb, 0x0},
452 {12000000, 16000, 750, 0xa, 0x1},
453
454
455 {11289600, 22050, 512, 0x1a, 0x0},
456 {16934400, 22050, 768, 0x1b, 0x0},
457 {12000000, 22050, 544, 0x1b, 0x1},
458
459
460 {12288000, 32000, 384, 0xc, 0x0},
461 {18432000, 32000, 576, 0xd, 0x0},
462 {12000000, 32000, 375, 0xa, 0x1},
463
464
465 {11289600, 44100, 256, 0x10, 0x0},
466 {16934400, 44100, 384, 0x11, 0x0},
467 {12000000, 44100, 272, 0x11, 0x1},
468
469
470 {12288000, 48000, 256, 0x0, 0x0},
471 {18432000, 48000, 384, 0x1, 0x0},
472 {12000000, 48000, 250, 0x0, 0x1},
473
474
475 {11289600, 88200, 128, 0x1e, 0x0},
476 {16934400, 88200, 192, 0x1f, 0x0},
477 {12000000, 88200, 136, 0x1f, 0x1},
478
479
480 {12288000, 96000, 128, 0xe, 0x0},
481 {18432000, 96000, 192, 0xf, 0x0},
482 {12000000, 96000, 125, 0xe, 0x1},
483};
484
485static inline int get_coeff(int mclk, int rate)
486{
487 int i;
488
489 for (i = 0; i < ARRAY_SIZE(coeff_div); i++) {
490 if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk)
491 return i;
492 }
493
494 printk(KERN_ERR "wm8750: could not get coeff for mclk %d @ rate %d\n",
495 mclk, rate);
496 return -EINVAL;
497}
498
499static int wm8750_set_dai_sysclk(struct snd_soc_dai *codec_dai,
500 int clk_id, unsigned int freq, int dir)
501{
502 struct snd_soc_component *component = codec_dai->component;
503 struct wm8750_priv *wm8750 = snd_soc_component_get_drvdata(component);
504
505 switch (freq) {
506 case 11289600:
507 case 12000000:
508 case 12288000:
509 case 16934400:
510 case 18432000:
511 wm8750->sysclk = freq;
512 return 0;
513 }
514 return -EINVAL;
515}
516
517static int wm8750_set_dai_fmt(struct snd_soc_dai *codec_dai,
518 unsigned int fmt)
519{
520 struct snd_soc_component *component = codec_dai->component;
521 u16 iface = 0;
522
523
524 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
525 case SND_SOC_DAIFMT_CBM_CFM:
526 iface = 0x0040;
527 break;
528 case SND_SOC_DAIFMT_CBS_CFS:
529 break;
530 default:
531 return -EINVAL;
532 }
533
534
535 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
536 case SND_SOC_DAIFMT_I2S:
537 iface |= 0x0002;
538 break;
539 case SND_SOC_DAIFMT_RIGHT_J:
540 break;
541 case SND_SOC_DAIFMT_LEFT_J:
542 iface |= 0x0001;
543 break;
544 case SND_SOC_DAIFMT_DSP_A:
545 iface |= 0x0003;
546 break;
547 case SND_SOC_DAIFMT_DSP_B:
548 iface |= 0x0013;
549 break;
550 default:
551 return -EINVAL;
552 }
553
554
555 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
556 case SND_SOC_DAIFMT_NB_NF:
557 break;
558 case SND_SOC_DAIFMT_IB_IF:
559 iface |= 0x0090;
560 break;
561 case SND_SOC_DAIFMT_IB_NF:
562 iface |= 0x0080;
563 break;
564 case SND_SOC_DAIFMT_NB_IF:
565 iface |= 0x0010;
566 break;
567 default:
568 return -EINVAL;
569 }
570
571 snd_soc_component_write(component, WM8750_IFACE, iface);
572 return 0;
573}
574
575static int wm8750_pcm_hw_params(struct snd_pcm_substream *substream,
576 struct snd_pcm_hw_params *params,
577 struct snd_soc_dai *dai)
578{
579 struct snd_soc_component *component = dai->component;
580 struct wm8750_priv *wm8750 = snd_soc_component_get_drvdata(component);
581 u16 iface = snd_soc_component_read(component, WM8750_IFACE) & 0x1f3;
582 u16 srate = snd_soc_component_read(component, WM8750_SRATE) & 0x1c0;
583 int coeff = get_coeff(wm8750->sysclk, params_rate(params));
584
585
586 switch (params_width(params)) {
587 case 16:
588 break;
589 case 20:
590 iface |= 0x0004;
591 break;
592 case 24:
593 iface |= 0x0008;
594 break;
595 case 32:
596 iface |= 0x000c;
597 break;
598 }
599
600
601 snd_soc_component_write(component, WM8750_IFACE, iface);
602 if (coeff >= 0)
603 snd_soc_component_write(component, WM8750_SRATE, srate |
604 (coeff_div[coeff].sr << 1) | coeff_div[coeff].usb);
605
606 return 0;
607}
608
609static int wm8750_mute(struct snd_soc_dai *dai, int mute, int direction)
610{
611 struct snd_soc_component *component = dai->component;
612 u16 mute_reg = snd_soc_component_read(component, WM8750_ADCDAC) & 0xfff7;
613
614 if (mute)
615 snd_soc_component_write(component, WM8750_ADCDAC, mute_reg | 0x8);
616 else
617 snd_soc_component_write(component, WM8750_ADCDAC, mute_reg);
618 return 0;
619}
620
621static int wm8750_set_bias_level(struct snd_soc_component *component,
622 enum snd_soc_bias_level level)
623{
624 u16 pwr_reg = snd_soc_component_read(component, WM8750_PWR1) & 0xfe3e;
625
626 switch (level) {
627 case SND_SOC_BIAS_ON:
628
629 snd_soc_component_write(component, WM8750_PWR1, pwr_reg | 0x00c0);
630 break;
631 case SND_SOC_BIAS_PREPARE:
632 break;
633 case SND_SOC_BIAS_STANDBY:
634 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
635 snd_soc_component_cache_sync(component);
636
637
638 snd_soc_component_write(component, WM8750_PWR1, pwr_reg | 0x01c1);
639
640
641 msleep(1000);
642 }
643
644
645 snd_soc_component_write(component, WM8750_PWR1, pwr_reg | 0x0141);
646 break;
647 case SND_SOC_BIAS_OFF:
648 snd_soc_component_write(component, WM8750_PWR1, 0x0001);
649 break;
650 }
651 return 0;
652}
653
654#define WM8750_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
655 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
656 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
657
658#define WM8750_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
659 SNDRV_PCM_FMTBIT_S24_LE)
660
661static const struct snd_soc_dai_ops wm8750_dai_ops = {
662 .hw_params = wm8750_pcm_hw_params,
663 .mute_stream = wm8750_mute,
664 .set_fmt = wm8750_set_dai_fmt,
665 .set_sysclk = wm8750_set_dai_sysclk,
666 .no_capture_mute = 1,
667};
668
669static struct snd_soc_dai_driver wm8750_dai = {
670 .name = "wm8750-hifi",
671 .playback = {
672 .stream_name = "Playback",
673 .channels_min = 1,
674 .channels_max = 2,
675 .rates = WM8750_RATES,
676 .formats = WM8750_FORMATS,},
677 .capture = {
678 .stream_name = "Capture",
679 .channels_min = 1,
680 .channels_max = 2,
681 .rates = WM8750_RATES,
682 .formats = WM8750_FORMATS,},
683 .ops = &wm8750_dai_ops,
684};
685
686static int wm8750_probe(struct snd_soc_component *component)
687{
688 int ret;
689
690 ret = wm8750_reset(component);
691 if (ret < 0) {
692 printk(KERN_ERR "wm8750: failed to reset: %d\n", ret);
693 return ret;
694 }
695
696
697 snd_soc_component_update_bits(component, WM8750_LDAC, 0x0100, 0x0100);
698 snd_soc_component_update_bits(component, WM8750_RDAC, 0x0100, 0x0100);
699 snd_soc_component_update_bits(component, WM8750_LOUT1V, 0x0100, 0x0100);
700 snd_soc_component_update_bits(component, WM8750_ROUT1V, 0x0100, 0x0100);
701 snd_soc_component_update_bits(component, WM8750_LOUT2V, 0x0100, 0x0100);
702 snd_soc_component_update_bits(component, WM8750_ROUT2V, 0x0100, 0x0100);
703 snd_soc_component_update_bits(component, WM8750_LINVOL, 0x0100, 0x0100);
704 snd_soc_component_update_bits(component, WM8750_RINVOL, 0x0100, 0x0100);
705
706 return ret;
707}
708
709static const struct snd_soc_component_driver soc_component_dev_wm8750 = {
710 .probe = wm8750_probe,
711 .set_bias_level = wm8750_set_bias_level,
712 .controls = wm8750_snd_controls,
713 .num_controls = ARRAY_SIZE(wm8750_snd_controls),
714 .dapm_widgets = wm8750_dapm_widgets,
715 .num_dapm_widgets = ARRAY_SIZE(wm8750_dapm_widgets),
716 .dapm_routes = wm8750_dapm_routes,
717 .num_dapm_routes = ARRAY_SIZE(wm8750_dapm_routes),
718 .suspend_bias_off = 1,
719 .idle_bias_on = 1,
720 .use_pmdown_time = 1,
721 .endianness = 1,
722 .non_legacy_dai_naming = 1,
723};
724
725static const struct of_device_id wm8750_of_match[] = {
726 { .compatible = "wlf,wm8750", },
727 { .compatible = "wlf,wm8987", },
728 { }
729};
730MODULE_DEVICE_TABLE(of, wm8750_of_match);
731
732static const struct regmap_config wm8750_regmap = {
733 .reg_bits = 7,
734 .val_bits = 9,
735 .max_register = WM8750_MOUTV,
736
737 .reg_defaults = wm8750_reg_defaults,
738 .num_reg_defaults = ARRAY_SIZE(wm8750_reg_defaults),
739 .cache_type = REGCACHE_RBTREE,
740};
741
742#if defined(CONFIG_SPI_MASTER)
743static int wm8750_spi_probe(struct spi_device *spi)
744{
745 struct wm8750_priv *wm8750;
746 struct regmap *regmap;
747 int ret;
748
749 wm8750 = devm_kzalloc(&spi->dev, sizeof(struct wm8750_priv),
750 GFP_KERNEL);
751 if (wm8750 == NULL)
752 return -ENOMEM;
753
754 regmap = devm_regmap_init_spi(spi, &wm8750_regmap);
755 if (IS_ERR(regmap))
756 return PTR_ERR(regmap);
757
758 spi_set_drvdata(spi, wm8750);
759
760 ret = devm_snd_soc_register_component(&spi->dev,
761 &soc_component_dev_wm8750, &wm8750_dai, 1);
762 return ret;
763}
764
765static const struct spi_device_id wm8750_spi_ids[] = {
766 { "wm8750", 0 },
767 { "wm8987", 0 },
768 { },
769};
770MODULE_DEVICE_TABLE(spi, wm8750_spi_ids);
771
772static struct spi_driver wm8750_spi_driver = {
773 .driver = {
774 .name = "wm8750",
775 .of_match_table = wm8750_of_match,
776 },
777 .id_table = wm8750_spi_ids,
778 .probe = wm8750_spi_probe,
779};
780#endif
781
782#if IS_ENABLED(CONFIG_I2C)
783static int wm8750_i2c_probe(struct i2c_client *i2c,
784 const struct i2c_device_id *id)
785{
786 struct wm8750_priv *wm8750;
787 struct regmap *regmap;
788 int ret;
789
790 wm8750 = devm_kzalloc(&i2c->dev, sizeof(struct wm8750_priv),
791 GFP_KERNEL);
792 if (wm8750 == NULL)
793 return -ENOMEM;
794
795 i2c_set_clientdata(i2c, wm8750);
796
797 regmap = devm_regmap_init_i2c(i2c, &wm8750_regmap);
798 if (IS_ERR(regmap))
799 return PTR_ERR(regmap);
800
801 ret = devm_snd_soc_register_component(&i2c->dev,
802 &soc_component_dev_wm8750, &wm8750_dai, 1);
803 return ret;
804}
805
806static const struct i2c_device_id wm8750_i2c_id[] = {
807 { "wm8750", 0 },
808 { "wm8987", 0 },
809 { }
810};
811MODULE_DEVICE_TABLE(i2c, wm8750_i2c_id);
812
813static struct i2c_driver wm8750_i2c_driver = {
814 .driver = {
815 .name = "wm8750",
816 .of_match_table = wm8750_of_match,
817 },
818 .probe = wm8750_i2c_probe,
819 .id_table = wm8750_i2c_id,
820};
821#endif
822
823static int __init wm8750_modinit(void)
824{
825 int ret = 0;
826#if IS_ENABLED(CONFIG_I2C)
827 ret = i2c_add_driver(&wm8750_i2c_driver);
828 if (ret != 0) {
829 printk(KERN_ERR "Failed to register wm8750 I2C driver: %d\n",
830 ret);
831 }
832#endif
833#if defined(CONFIG_SPI_MASTER)
834 ret = spi_register_driver(&wm8750_spi_driver);
835 if (ret != 0) {
836 printk(KERN_ERR "Failed to register wm8750 SPI driver: %d\n",
837 ret);
838 }
839#endif
840 return ret;
841}
842module_init(wm8750_modinit);
843
844static void __exit wm8750_exit(void)
845{
846#if IS_ENABLED(CONFIG_I2C)
847 i2c_del_driver(&wm8750_i2c_driver);
848#endif
849#if defined(CONFIG_SPI_MASTER)
850 spi_unregister_driver(&wm8750_spi_driver);
851#endif
852}
853module_exit(wm8750_exit);
854
855MODULE_DESCRIPTION("ASoC WM8750 driver");
856MODULE_AUTHOR("Liam Girdwood");
857MODULE_LICENSE("GPL");
858
