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10#include <linux/module.h>
11#include <linux/moduleparam.h>
12#include <linux/init.h>
13#include <linux/delay.h>
14#include <linux/pm.h>
15#include <linux/clk.h>
16#include <linux/i2c.h>
17#include <linux/acpi.h>
18#include <linux/slab.h>
19#include <sound/core.h>
20#include <sound/pcm.h>
21#include <sound/pcm_params.h>
22#include <sound/soc.h>
23#include <sound/initval.h>
24#include <sound/tlv.h>
25#include <sound/wm8960.h>
26
27#include "wm8960.h"
28
29
30#define WM8960_VMID_MASK 0x180
31#define WM8960_VREF 0x40
32
33
34#define WM8960_PWR2_LOUT1 0x40
35#define WM8960_PWR2_ROUT1 0x20
36#define WM8960_PWR2_OUT3 0x02
37
38
39#define WM8960_POBCTRL 0x80
40#define WM8960_BUFDCOPEN 0x10
41#define WM8960_BUFIOEN 0x08
42#define WM8960_SOFT_ST 0x04
43#define WM8960_HPSTBY 0x01
44
45
46#define WM8960_DISOP 0x40
47#define WM8960_DRES_MASK 0x30
48
49#define WM8960_DSCH_TOUT 600
50
51static bool is_pll_freq_available(unsigned int source, unsigned int target);
52static int wm8960_set_pll(struct snd_soc_component *component,
53 unsigned int freq_in, unsigned int freq_out);
54
55
56
57
58
59static const struct reg_default wm8960_reg_defaults[] = {
60 { 0x0, 0x00a7 },
61 { 0x1, 0x00a7 },
62 { 0x2, 0x0000 },
63 { 0x3, 0x0000 },
64 { 0x4, 0x0000 },
65 { 0x5, 0x0008 },
66 { 0x6, 0x0000 },
67 { 0x7, 0x000a },
68 { 0x8, 0x01c0 },
69 { 0x9, 0x0000 },
70 { 0xa, 0x00ff },
71 { 0xb, 0x00ff },
72
73 { 0x10, 0x0000 },
74 { 0x11, 0x007b },
75 { 0x12, 0x0100 },
76 { 0x13, 0x0032 },
77 { 0x14, 0x0000 },
78 { 0x15, 0x00c3 },
79 { 0x16, 0x00c3 },
80 { 0x17, 0x01c0 },
81 { 0x18, 0x0000 },
82 { 0x19, 0x0000 },
83 { 0x1a, 0x0000 },
84 { 0x1b, 0x0000 },
85 { 0x1c, 0x0000 },
86 { 0x1d, 0x0000 },
87
88 { 0x20, 0x0100 },
89 { 0x21, 0x0100 },
90 { 0x22, 0x0050 },
91
92 { 0x25, 0x0050 },
93 { 0x26, 0x0000 },
94 { 0x27, 0x0000 },
95 { 0x28, 0x0000 },
96 { 0x29, 0x0000 },
97 { 0x2a, 0x0040 },
98 { 0x2b, 0x0000 },
99 { 0x2c, 0x0000 },
100 { 0x2d, 0x0050 },
101 { 0x2e, 0x0050 },
102 { 0x2f, 0x0000 },
103 { 0x30, 0x0002 },
104 { 0x31, 0x0037 },
105
106 { 0x33, 0x0080 },
107 { 0x34, 0x0008 },
108 { 0x35, 0x0031 },
109 { 0x36, 0x0026 },
110 { 0x37, 0x00e9 },
111};
112
113static bool wm8960_volatile(struct device *dev, unsigned int reg)
114{
115 switch (reg) {
116 case WM8960_RESET:
117 return true;
118 default:
119 return false;
120 }
121}
122
123struct wm8960_priv {
124 struct clk *mclk;
125 struct regmap *regmap;
126 int (*set_bias_level)(struct snd_soc_component *,
127 enum snd_soc_bias_level level);
128 struct snd_soc_dapm_widget *lout1;
129 struct snd_soc_dapm_widget *rout1;
130 struct snd_soc_dapm_widget *out3;
131 bool deemph;
132 int lrclk;
133 int bclk;
134 int sysclk;
135 int clk_id;
136 int freq_in;
137 bool is_stream_in_use[2];
138 struct wm8960_data pdata;
139 ktime_t dsch_start;
140};
141
142#define wm8960_reset(c) regmap_write(c, WM8960_RESET, 0)
143
144
145static const char *wm8960_polarity[] = {"No Inversion", "Left Inverted",
146 "Right Inverted", "Stereo Inversion"};
147static const char *wm8960_3d_upper_cutoff[] = {"High", "Low"};
148static const char *wm8960_3d_lower_cutoff[] = {"Low", "High"};
149static const char *wm8960_alcfunc[] = {"Off", "Right", "Left", "Stereo"};
150static const char *wm8960_alcmode[] = {"ALC", "Limiter"};
151static const char *wm8960_adc_data_output_sel[] = {
152 "Left Data = Left ADC; Right Data = Right ADC",
153 "Left Data = Left ADC; Right Data = Left ADC",
154 "Left Data = Right ADC; Right Data = Right ADC",
155 "Left Data = Right ADC; Right Data = Left ADC",
156};
157static const char *wm8960_dmonomix[] = {"Stereo", "Mono"};
158
159static const struct soc_enum wm8960_enum[] = {
160 SOC_ENUM_SINGLE(WM8960_DACCTL1, 5, 4, wm8960_polarity),
161 SOC_ENUM_SINGLE(WM8960_DACCTL2, 5, 4, wm8960_polarity),
162 SOC_ENUM_SINGLE(WM8960_3D, 6, 2, wm8960_3d_upper_cutoff),
163 SOC_ENUM_SINGLE(WM8960_3D, 5, 2, wm8960_3d_lower_cutoff),
164 SOC_ENUM_SINGLE(WM8960_ALC1, 7, 4, wm8960_alcfunc),
165 SOC_ENUM_SINGLE(WM8960_ALC3, 8, 2, wm8960_alcmode),
166 SOC_ENUM_SINGLE(WM8960_ADDCTL1, 2, 4, wm8960_adc_data_output_sel),
167 SOC_ENUM_SINGLE(WM8960_ADDCTL1, 4, 2, wm8960_dmonomix),
168};
169
170static const int deemph_settings[] = { 0, 32000, 44100, 48000 };
171
172static int wm8960_set_deemph(struct snd_soc_component *component)
173{
174 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
175 int val, i, best;
176
177
178
179
180 if (wm8960->deemph) {
181 best = 1;
182 for (i = 2; i < ARRAY_SIZE(deemph_settings); i++) {
183 if (abs(deemph_settings[i] - wm8960->lrclk) <
184 abs(deemph_settings[best] - wm8960->lrclk))
185 best = i;
186 }
187
188 val = best << 1;
189 } else {
190 val = 0;
191 }
192
193 dev_dbg(component->dev, "Set deemphasis %d\n", val);
194
195 return snd_soc_component_update_bits(component, WM8960_DACCTL1,
196 0x6, val);
197}
198
199static int wm8960_get_deemph(struct snd_kcontrol *kcontrol,
200 struct snd_ctl_elem_value *ucontrol)
201{
202 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
203 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
204
205 ucontrol->value.integer.value[0] = wm8960->deemph;
206 return 0;
207}
208
209static int wm8960_put_deemph(struct snd_kcontrol *kcontrol,
210 struct snd_ctl_elem_value *ucontrol)
211{
212 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
213 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
214 unsigned int deemph = ucontrol->value.integer.value[0];
215
216 if (deemph > 1)
217 return -EINVAL;
218
219 wm8960->deemph = deemph;
220
221 return wm8960_set_deemph(component);
222}
223
224static const DECLARE_TLV_DB_SCALE(adc_tlv, -9750, 50, 1);
225static const DECLARE_TLV_DB_SCALE(inpga_tlv, -1725, 75, 0);
226static const DECLARE_TLV_DB_SCALE(dac_tlv, -12750, 50, 1);
227static const DECLARE_TLV_DB_SCALE(bypass_tlv, -2100, 300, 0);
228static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1);
229static const DECLARE_TLV_DB_SCALE(lineinboost_tlv, -1500, 300, 1);
230static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(micboost_tlv,
231 0, 1, TLV_DB_SCALE_ITEM(0, 1300, 0),
232 2, 3, TLV_DB_SCALE_ITEM(2000, 900, 0),
233);
234
235static const struct snd_kcontrol_new wm8960_snd_controls[] = {
236SOC_DOUBLE_R_TLV("Capture Volume", WM8960_LINVOL, WM8960_RINVOL,
237 0, 63, 0, inpga_tlv),
238SOC_DOUBLE_R("Capture Volume ZC Switch", WM8960_LINVOL, WM8960_RINVOL,
239 6, 1, 0),
240SOC_DOUBLE_R("Capture Switch", WM8960_LINVOL, WM8960_RINVOL,
241 7, 1, 1),
242
243SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT3 Volume",
244 WM8960_INBMIX1, 4, 7, 0, lineinboost_tlv),
245SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT2 Volume",
246 WM8960_INBMIX1, 1, 7, 0, lineinboost_tlv),
247SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT3 Volume",
248 WM8960_INBMIX2, 4, 7, 0, lineinboost_tlv),
249SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT2 Volume",
250 WM8960_INBMIX2, 1, 7, 0, lineinboost_tlv),
251SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT1 Volume",
252 WM8960_RINPATH, 4, 3, 0, micboost_tlv),
253SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT1 Volume",
254 WM8960_LINPATH, 4, 3, 0, micboost_tlv),
255
256SOC_DOUBLE_R_TLV("Playback Volume", WM8960_LDAC, WM8960_RDAC,
257 0, 255, 0, dac_tlv),
258
259SOC_DOUBLE_R_TLV("Headphone Playback Volume", WM8960_LOUT1, WM8960_ROUT1,
260 0, 127, 0, out_tlv),
261SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8960_LOUT1, WM8960_ROUT1,
262 7, 1, 0),
263
264SOC_DOUBLE_R_TLV("Speaker Playback Volume", WM8960_LOUT2, WM8960_ROUT2,
265 0, 127, 0, out_tlv),
266SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8960_LOUT2, WM8960_ROUT2,
267 7, 1, 0),
268SOC_SINGLE("Speaker DC Volume", WM8960_CLASSD3, 3, 5, 0),
269SOC_SINGLE("Speaker AC Volume", WM8960_CLASSD3, 0, 5, 0),
270
271SOC_SINGLE("PCM Playback -6dB Switch", WM8960_DACCTL1, 7, 1, 0),
272SOC_ENUM("ADC Polarity", wm8960_enum[0]),
273SOC_SINGLE("ADC High Pass Filter Switch", WM8960_DACCTL1, 0, 1, 0),
274
275SOC_ENUM("DAC Polarity", wm8960_enum[1]),
276SOC_SINGLE_BOOL_EXT("DAC Deemphasis Switch", 0,
277 wm8960_get_deemph, wm8960_put_deemph),
278
279SOC_ENUM("3D Filter Upper Cut-Off", wm8960_enum[2]),
280SOC_ENUM("3D Filter Lower Cut-Off", wm8960_enum[3]),
281SOC_SINGLE("3D Volume", WM8960_3D, 1, 15, 0),
282SOC_SINGLE("3D Switch", WM8960_3D, 0, 1, 0),
283
284SOC_ENUM("ALC Function", wm8960_enum[4]),
285SOC_SINGLE("ALC Max Gain", WM8960_ALC1, 4, 7, 0),
286SOC_SINGLE("ALC Target", WM8960_ALC1, 0, 15, 1),
287SOC_SINGLE("ALC Min Gain", WM8960_ALC2, 4, 7, 0),
288SOC_SINGLE("ALC Hold Time", WM8960_ALC2, 0, 15, 0),
289SOC_ENUM("ALC Mode", wm8960_enum[5]),
290SOC_SINGLE("ALC Decay", WM8960_ALC3, 4, 15, 0),
291SOC_SINGLE("ALC Attack", WM8960_ALC3, 0, 15, 0),
292
293SOC_SINGLE("Noise Gate Threshold", WM8960_NOISEG, 3, 31, 0),
294SOC_SINGLE("Noise Gate Switch", WM8960_NOISEG, 0, 1, 0),
295
296SOC_DOUBLE_R_TLV("ADC PCM Capture Volume", WM8960_LADC, WM8960_RADC,
297 0, 255, 0, adc_tlv),
298
299SOC_SINGLE_TLV("Left Output Mixer Boost Bypass Volume",
300 WM8960_BYPASS1, 4, 7, 1, bypass_tlv),
301SOC_SINGLE_TLV("Left Output Mixer LINPUT3 Volume",
302 WM8960_LOUTMIX, 4, 7, 1, bypass_tlv),
303SOC_SINGLE_TLV("Right Output Mixer Boost Bypass Volume",
304 WM8960_BYPASS2, 4, 7, 1, bypass_tlv),
305SOC_SINGLE_TLV("Right Output Mixer RINPUT3 Volume",
306 WM8960_ROUTMIX, 4, 7, 1, bypass_tlv),
307
308SOC_ENUM("ADC Data Output Select", wm8960_enum[6]),
309SOC_ENUM("DAC Mono Mix", wm8960_enum[7]),
310};
311
312static const struct snd_kcontrol_new wm8960_lin_boost[] = {
313SOC_DAPM_SINGLE("LINPUT2 Switch", WM8960_LINPATH, 6, 1, 0),
314SOC_DAPM_SINGLE("LINPUT3 Switch", WM8960_LINPATH, 7, 1, 0),
315SOC_DAPM_SINGLE("LINPUT1 Switch", WM8960_LINPATH, 8, 1, 0),
316};
317
318static const struct snd_kcontrol_new wm8960_lin[] = {
319SOC_DAPM_SINGLE("Boost Switch", WM8960_LINPATH, 3, 1, 0),
320};
321
322static const struct snd_kcontrol_new wm8960_rin_boost[] = {
323SOC_DAPM_SINGLE("RINPUT2 Switch", WM8960_RINPATH, 6, 1, 0),
324SOC_DAPM_SINGLE("RINPUT3 Switch", WM8960_RINPATH, 7, 1, 0),
325SOC_DAPM_SINGLE("RINPUT1 Switch", WM8960_RINPATH, 8, 1, 0),
326};
327
328static const struct snd_kcontrol_new wm8960_rin[] = {
329SOC_DAPM_SINGLE("Boost Switch", WM8960_RINPATH, 3, 1, 0),
330};
331
332static const struct snd_kcontrol_new wm8960_loutput_mixer[] = {
333SOC_DAPM_SINGLE("PCM Playback Switch", WM8960_LOUTMIX, 8, 1, 0),
334SOC_DAPM_SINGLE("LINPUT3 Switch", WM8960_LOUTMIX, 7, 1, 0),
335SOC_DAPM_SINGLE("Boost Bypass Switch", WM8960_BYPASS1, 7, 1, 0),
336};
337
338static const struct snd_kcontrol_new wm8960_routput_mixer[] = {
339SOC_DAPM_SINGLE("PCM Playback Switch", WM8960_ROUTMIX, 8, 1, 0),
340SOC_DAPM_SINGLE("RINPUT3 Switch", WM8960_ROUTMIX, 7, 1, 0),
341SOC_DAPM_SINGLE("Boost Bypass Switch", WM8960_BYPASS2, 7, 1, 0),
342};
343
344static const struct snd_kcontrol_new wm8960_mono_out[] = {
345SOC_DAPM_SINGLE("Left Switch", WM8960_MONOMIX1, 7, 1, 0),
346SOC_DAPM_SINGLE("Right Switch", WM8960_MONOMIX2, 7, 1, 0),
347};
348
349static const struct snd_soc_dapm_widget wm8960_dapm_widgets[] = {
350SND_SOC_DAPM_INPUT("LINPUT1"),
351SND_SOC_DAPM_INPUT("RINPUT1"),
352SND_SOC_DAPM_INPUT("LINPUT2"),
353SND_SOC_DAPM_INPUT("RINPUT2"),
354SND_SOC_DAPM_INPUT("LINPUT3"),
355SND_SOC_DAPM_INPUT("RINPUT3"),
356
357SND_SOC_DAPM_SUPPLY("MICB", WM8960_POWER1, 1, 0, NULL, 0),
358
359SND_SOC_DAPM_MIXER("Left Boost Mixer", WM8960_POWER1, 5, 0,
360 wm8960_lin_boost, ARRAY_SIZE(wm8960_lin_boost)),
361SND_SOC_DAPM_MIXER("Right Boost Mixer", WM8960_POWER1, 4, 0,
362 wm8960_rin_boost, ARRAY_SIZE(wm8960_rin_boost)),
363
364SND_SOC_DAPM_MIXER("Left Input Mixer", WM8960_POWER3, 5, 0,
365 wm8960_lin, ARRAY_SIZE(wm8960_lin)),
366SND_SOC_DAPM_MIXER("Right Input Mixer", WM8960_POWER3, 4, 0,
367 wm8960_rin, ARRAY_SIZE(wm8960_rin)),
368
369SND_SOC_DAPM_ADC("Left ADC", "Capture", WM8960_POWER1, 3, 0),
370SND_SOC_DAPM_ADC("Right ADC", "Capture", WM8960_POWER1, 2, 0),
371
372SND_SOC_DAPM_DAC("Left DAC", "Playback", WM8960_POWER2, 8, 0),
373SND_SOC_DAPM_DAC("Right DAC", "Playback", WM8960_POWER2, 7, 0),
374
375SND_SOC_DAPM_MIXER("Left Output Mixer", WM8960_POWER3, 3, 0,
376 &wm8960_loutput_mixer[0],
377 ARRAY_SIZE(wm8960_loutput_mixer)),
378SND_SOC_DAPM_MIXER("Right Output Mixer", WM8960_POWER3, 2, 0,
379 &wm8960_routput_mixer[0],
380 ARRAY_SIZE(wm8960_routput_mixer)),
381
382SND_SOC_DAPM_PGA("LOUT1 PGA", WM8960_POWER2, 6, 0, NULL, 0),
383SND_SOC_DAPM_PGA("ROUT1 PGA", WM8960_POWER2, 5, 0, NULL, 0),
384
385SND_SOC_DAPM_PGA("Left Speaker PGA", WM8960_POWER2, 4, 0, NULL, 0),
386SND_SOC_DAPM_PGA("Right Speaker PGA", WM8960_POWER2, 3, 0, NULL, 0),
387
388SND_SOC_DAPM_PGA("Right Speaker Output", WM8960_CLASSD1, 7, 0, NULL, 0),
389SND_SOC_DAPM_PGA("Left Speaker Output", WM8960_CLASSD1, 6, 0, NULL, 0),
390
391SND_SOC_DAPM_OUTPUT("SPK_LP"),
392SND_SOC_DAPM_OUTPUT("SPK_LN"),
393SND_SOC_DAPM_OUTPUT("HP_L"),
394SND_SOC_DAPM_OUTPUT("HP_R"),
395SND_SOC_DAPM_OUTPUT("SPK_RP"),
396SND_SOC_DAPM_OUTPUT("SPK_RN"),
397SND_SOC_DAPM_OUTPUT("OUT3"),
398};
399
400static const struct snd_soc_dapm_widget wm8960_dapm_widgets_out3[] = {
401SND_SOC_DAPM_MIXER("Mono Output Mixer", WM8960_POWER2, 1, 0,
402 &wm8960_mono_out[0],
403 ARRAY_SIZE(wm8960_mono_out)),
404};
405
406
407static const struct snd_soc_dapm_widget wm8960_dapm_widgets_capless[] = {
408SND_SOC_DAPM_PGA("OUT3 VMID", WM8960_POWER2, 1, 0, NULL, 0),
409};
410
411static const struct snd_soc_dapm_route audio_paths[] = {
412 { "Left Boost Mixer", "LINPUT1 Switch", "LINPUT1" },
413 { "Left Boost Mixer", "LINPUT2 Switch", "LINPUT2" },
414 { "Left Boost Mixer", "LINPUT3 Switch", "LINPUT3" },
415
416 { "Left Input Mixer", "Boost Switch", "Left Boost Mixer" },
417 { "Left Input Mixer", "Boost Switch", "LINPUT1" },
418 { "Left Input Mixer", NULL, "LINPUT2" },
419 { "Left Input Mixer", NULL, "LINPUT3" },
420
421 { "Right Boost Mixer", "RINPUT1 Switch", "RINPUT1" },
422 { "Right Boost Mixer", "RINPUT2 Switch", "RINPUT2" },
423 { "Right Boost Mixer", "RINPUT3 Switch", "RINPUT3" },
424
425 { "Right Input Mixer", "Boost Switch", "Right Boost Mixer" },
426 { "Right Input Mixer", "Boost Switch", "RINPUT1" },
427 { "Right Input Mixer", NULL, "RINPUT2" },
428 { "Right Input Mixer", NULL, "RINPUT3" },
429
430 { "Left ADC", NULL, "Left Input Mixer" },
431 { "Right ADC", NULL, "Right Input Mixer" },
432
433 { "Left Output Mixer", "LINPUT3 Switch", "LINPUT3" },
434 { "Left Output Mixer", "Boost Bypass Switch", "Left Boost Mixer" },
435 { "Left Output Mixer", "PCM Playback Switch", "Left DAC" },
436
437 { "Right Output Mixer", "RINPUT3 Switch", "RINPUT3" },
438 { "Right Output Mixer", "Boost Bypass Switch", "Right Boost Mixer" },
439 { "Right Output Mixer", "PCM Playback Switch", "Right DAC" },
440
441 { "LOUT1 PGA", NULL, "Left Output Mixer" },
442 { "ROUT1 PGA", NULL, "Right Output Mixer" },
443
444 { "HP_L", NULL, "LOUT1 PGA" },
445 { "HP_R", NULL, "ROUT1 PGA" },
446
447 { "Left Speaker PGA", NULL, "Left Output Mixer" },
448 { "Right Speaker PGA", NULL, "Right Output Mixer" },
449
450 { "Left Speaker Output", NULL, "Left Speaker PGA" },
451 { "Right Speaker Output", NULL, "Right Speaker PGA" },
452
453 { "SPK_LN", NULL, "Left Speaker Output" },
454 { "SPK_LP", NULL, "Left Speaker Output" },
455 { "SPK_RN", NULL, "Right Speaker Output" },
456 { "SPK_RP", NULL, "Right Speaker Output" },
457};
458
459static const struct snd_soc_dapm_route audio_paths_out3[] = {
460 { "Mono Output Mixer", "Left Switch", "Left Output Mixer" },
461 { "Mono Output Mixer", "Right Switch", "Right Output Mixer" },
462
463 { "OUT3", NULL, "Mono Output Mixer", }
464};
465
466static const struct snd_soc_dapm_route audio_paths_capless[] = {
467 { "HP_L", NULL, "OUT3 VMID" },
468 { "HP_R", NULL, "OUT3 VMID" },
469
470 { "OUT3 VMID", NULL, "Left Output Mixer" },
471 { "OUT3 VMID", NULL, "Right Output Mixer" },
472};
473
474static int wm8960_add_widgets(struct snd_soc_component *component)
475{
476 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
477 struct wm8960_data *pdata = &wm8960->pdata;
478 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
479 struct snd_soc_dapm_widget *w;
480
481 snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets,
482 ARRAY_SIZE(wm8960_dapm_widgets));
483
484 snd_soc_dapm_add_routes(dapm, audio_paths, ARRAY_SIZE(audio_paths));
485
486
487
488
489 if (pdata && pdata->capless) {
490 snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets_capless,
491 ARRAY_SIZE(wm8960_dapm_widgets_capless));
492
493 snd_soc_dapm_add_routes(dapm, audio_paths_capless,
494 ARRAY_SIZE(audio_paths_capless));
495 } else {
496 snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets_out3,
497 ARRAY_SIZE(wm8960_dapm_widgets_out3));
498
499 snd_soc_dapm_add_routes(dapm, audio_paths_out3,
500 ARRAY_SIZE(audio_paths_out3));
501 }
502
503
504
505
506
507
508 list_for_each_entry(w, &component->card->widgets, list) {
509 if (w->dapm != dapm)
510 continue;
511 if (strcmp(w->name, "LOUT1 PGA") == 0)
512 wm8960->lout1 = w;
513 if (strcmp(w->name, "ROUT1 PGA") == 0)
514 wm8960->rout1 = w;
515 if (strcmp(w->name, "OUT3 VMID") == 0)
516 wm8960->out3 = w;
517 }
518
519 return 0;
520}
521
522static int wm8960_set_dai_fmt(struct snd_soc_dai *codec_dai,
523 unsigned int fmt)
524{
525 struct snd_soc_component *component = codec_dai->component;
526 u16 iface = 0;
527
528
529 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
530 case SND_SOC_DAIFMT_CBM_CFM:
531 iface |= 0x0040;
532 break;
533 case SND_SOC_DAIFMT_CBS_CFS:
534 break;
535 default:
536 return -EINVAL;
537 }
538
539
540 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
541 case SND_SOC_DAIFMT_I2S:
542 iface |= 0x0002;
543 break;
544 case SND_SOC_DAIFMT_RIGHT_J:
545 break;
546 case SND_SOC_DAIFMT_LEFT_J:
547 iface |= 0x0001;
548 break;
549 case SND_SOC_DAIFMT_DSP_A:
550 iface |= 0x0003;
551 break;
552 case SND_SOC_DAIFMT_DSP_B:
553 iface |= 0x0013;
554 break;
555 default:
556 return -EINVAL;
557 }
558
559
560 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
561 case SND_SOC_DAIFMT_NB_NF:
562 break;
563 case SND_SOC_DAIFMT_IB_IF:
564 iface |= 0x0090;
565 break;
566 case SND_SOC_DAIFMT_IB_NF:
567 iface |= 0x0080;
568 break;
569 case SND_SOC_DAIFMT_NB_IF:
570 iface |= 0x0010;
571 break;
572 default:
573 return -EINVAL;
574 }
575
576
577 snd_soc_component_write(component, WM8960_IFACE1, iface);
578 return 0;
579}
580
581static struct {
582 int rate;
583 unsigned int val;
584} alc_rates[] = {
585 { 48000, 0 },
586 { 44100, 0 },
587 { 32000, 1 },
588 { 22050, 2 },
589 { 24000, 2 },
590 { 16000, 3 },
591 { 11025, 4 },
592 { 12000, 4 },
593 { 8000, 5 },
594};
595
596
597static const int sysclk_divs[] = { 1, -1, 2, -1 };
598
599
600static const int dac_divs[] = { 256, 384, 512, 768, 1024, 1408, 1536 };
601
602
603static const int bclk_divs[] = {
604 10, 15, 20, 30, 40, 55, 60, 80, 110,
605 120, 160, 220, 240, 320, 320, 320
606};
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626static
627int wm8960_configure_sysclk(struct wm8960_priv *wm8960, int mclk,
628 int *sysclk_idx, int *dac_idx, int *bclk_idx)
629{
630 int sysclk, bclk, lrclk;
631 int i, j, k;
632 int diff;
633
634
635 *bclk_idx = -1;
636
637 bclk = wm8960->bclk;
638 lrclk = wm8960->lrclk;
639
640
641 for (i = 0; i < ARRAY_SIZE(sysclk_divs); ++i) {
642 if (sysclk_divs[i] == -1)
643 continue;
644 sysclk = mclk / sysclk_divs[i];
645 for (j = 0; j < ARRAY_SIZE(dac_divs); ++j) {
646 if (sysclk != dac_divs[j] * lrclk)
647 continue;
648 for (k = 0; k < ARRAY_SIZE(bclk_divs); ++k) {
649 diff = sysclk - bclk * bclk_divs[k] / 10;
650 if (diff == 0) {
651 *sysclk_idx = i;
652 *dac_idx = j;
653 *bclk_idx = k;
654 break;
655 }
656 }
657 if (k != ARRAY_SIZE(bclk_divs))
658 break;
659 }
660 if (j != ARRAY_SIZE(dac_divs))
661 break;
662 }
663 return *bclk_idx;
664}
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688static
689int wm8960_configure_pll(struct snd_soc_component *component, int freq_in,
690 int *sysclk_idx, int *dac_idx, int *bclk_idx)
691{
692 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
693 int sysclk, bclk, lrclk, freq_out;
694 int diff, closest, best_freq_out;
695 int i, j, k;
696
697 bclk = wm8960->bclk;
698 lrclk = wm8960->lrclk;
699 closest = freq_in;
700
701 best_freq_out = -EINVAL;
702 *sysclk_idx = *dac_idx = *bclk_idx = -1;
703
704
705
706
707
708
709
710 for (i = ARRAY_SIZE(sysclk_divs) - 1; i >= 0; --i) {
711 if (sysclk_divs[i] == -1)
712 continue;
713 for (j = 0; j < ARRAY_SIZE(dac_divs); ++j) {
714 sysclk = lrclk * dac_divs[j];
715 freq_out = sysclk * sysclk_divs[i];
716
717 for (k = 0; k < ARRAY_SIZE(bclk_divs); ++k) {
718 if (!is_pll_freq_available(freq_in, freq_out))
719 continue;
720
721 diff = sysclk - bclk * bclk_divs[k] / 10;
722 if (diff == 0) {
723 *sysclk_idx = i;
724 *dac_idx = j;
725 *bclk_idx = k;
726 return freq_out;
727 }
728 if (diff > 0 && closest > diff) {
729 *sysclk_idx = i;
730 *dac_idx = j;
731 *bclk_idx = k;
732 closest = diff;
733 best_freq_out = freq_out;
734 }
735 }
736 }
737 }
738
739 return best_freq_out;
740}
741static int wm8960_configure_clocking(struct snd_soc_component *component)
742{
743 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
744 int freq_out, freq_in;
745 u16 iface1 = snd_soc_component_read(component, WM8960_IFACE1);
746 int i, j, k;
747 int ret;
748
749
750
751
752
753
754
755
756 if (!(iface1 & (1 << 6)) && !wm8960->sysclk) {
757 dev_warn(component->dev,
758 "slave mode, but proceeding with no clock configuration\n");
759 return 0;
760 }
761
762 if (wm8960->clk_id != WM8960_SYSCLK_MCLK && !wm8960->freq_in) {
763 dev_err(component->dev, "No MCLK configured\n");
764 return -EINVAL;
765 }
766
767 freq_in = wm8960->freq_in;
768
769
770
771
772
773
774 if (wm8960->clk_id == WM8960_SYSCLK_AUTO) {
775
776 wm8960_set_pll(component, 0, 0);
777 freq_out = freq_in;
778 } else if (wm8960->sysclk) {
779 freq_out = wm8960->sysclk;
780 } else {
781 dev_err(component->dev, "No SYSCLK configured\n");
782 return -EINVAL;
783 }
784
785 if (wm8960->clk_id != WM8960_SYSCLK_PLL) {
786 ret = wm8960_configure_sysclk(wm8960, freq_out, &i, &j, &k);
787 if (ret >= 0) {
788 goto configure_clock;
789 } else if (wm8960->clk_id != WM8960_SYSCLK_AUTO) {
790 dev_err(component->dev, "failed to configure clock\n");
791 return -EINVAL;
792 }
793 }
794
795 freq_out = wm8960_configure_pll(component, freq_in, &i, &j, &k);
796 if (freq_out < 0) {
797 dev_err(component->dev, "failed to configure clock via PLL\n");
798 return freq_out;
799 }
800 wm8960_set_pll(component, freq_in, freq_out);
801
802configure_clock:
803
804 snd_soc_component_update_bits(component, WM8960_CLOCK1, 3 << 1, i << 1);
805
806
807 snd_soc_component_update_bits(component, WM8960_CLOCK1, 0x7 << 3, j << 3);
808 snd_soc_component_update_bits(component, WM8960_CLOCK1, 0x7 << 6, j << 6);
809
810
811 snd_soc_component_update_bits(component, WM8960_CLOCK2, 0xf, k);
812
813 return 0;
814}
815
816static int wm8960_hw_params(struct snd_pcm_substream *substream,
817 struct snd_pcm_hw_params *params,
818 struct snd_soc_dai *dai)
819{
820 struct snd_soc_component *component = dai->component;
821 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
822 u16 iface = snd_soc_component_read(component, WM8960_IFACE1) & 0xfff3;
823 bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
824 int i;
825
826 wm8960->bclk = snd_soc_params_to_bclk(params);
827 if (params_channels(params) == 1)
828 wm8960->bclk *= 2;
829
830
831 switch (params_width(params)) {
832 case 16:
833 break;
834 case 20:
835 iface |= 0x0004;
836 break;
837 case 24:
838 iface |= 0x0008;
839 break;
840 case 32:
841
842 if ((iface & 0x3) != 0) {
843 iface |= 0x000c;
844 break;
845 }
846 fallthrough;
847 default:
848 dev_err(component->dev, "unsupported width %d\n",
849 params_width(params));
850 return -EINVAL;
851 }
852
853 wm8960->lrclk = params_rate(params);
854
855 if (tx) {
856 wm8960_set_deemph(component);
857 } else {
858 for (i = 0; i < ARRAY_SIZE(alc_rates); i++)
859 if (alc_rates[i].rate == params_rate(params))
860 snd_soc_component_update_bits(component,
861 WM8960_ADDCTL3, 0x7,
862 alc_rates[i].val);
863 }
864
865
866 snd_soc_component_write(component, WM8960_IFACE1, iface);
867
868 wm8960->is_stream_in_use[tx] = true;
869
870 if (!wm8960->is_stream_in_use[!tx])
871 return wm8960_configure_clocking(component);
872
873 return 0;
874}
875
876static int wm8960_hw_free(struct snd_pcm_substream *substream,
877 struct snd_soc_dai *dai)
878{
879 struct snd_soc_component *component = dai->component;
880 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
881 bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
882
883 wm8960->is_stream_in_use[tx] = false;
884
885 return 0;
886}
887
888static int wm8960_mute(struct snd_soc_dai *dai, int mute, int direction)
889{
890 struct snd_soc_component *component = dai->component;
891
892 if (mute)
893 snd_soc_component_update_bits(component, WM8960_DACCTL1, 0x8, 0x8);
894 else
895 snd_soc_component_update_bits(component, WM8960_DACCTL1, 0x8, 0);
896 return 0;
897}
898
899static int wm8960_set_bias_level_out3(struct snd_soc_component *component,
900 enum snd_soc_bias_level level)
901{
902 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
903 u16 pm2 = snd_soc_component_read(component, WM8960_POWER2);
904 int ret;
905 ktime_t tout;
906
907 switch (level) {
908 case SND_SOC_BIAS_ON:
909 break;
910
911 case SND_SOC_BIAS_PREPARE:
912 switch (snd_soc_component_get_bias_level(component)) {
913 case SND_SOC_BIAS_STANDBY:
914 if (!IS_ERR(wm8960->mclk)) {
915 ret = clk_prepare_enable(wm8960->mclk);
916 if (ret) {
917 dev_err(component->dev,
918 "Failed to enable MCLK: %d\n",
919 ret);
920 return ret;
921 }
922 }
923
924 ret = wm8960_configure_clocking(component);
925 if (ret)
926 return ret;
927
928
929 snd_soc_component_update_bits(component, WM8960_POWER1, 0x180, 0x80);
930 break;
931
932 case SND_SOC_BIAS_ON:
933
934
935
936
937 if (wm8960->clk_id == WM8960_SYSCLK_AUTO && (pm2 & 0x1))
938 wm8960_set_pll(component, 0, 0);
939
940 if (!IS_ERR(wm8960->mclk))
941 clk_disable_unprepare(wm8960->mclk);
942 break;
943
944 default:
945 break;
946 }
947
948 break;
949
950 case SND_SOC_BIAS_STANDBY:
951 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
952
953 tout = WM8960_DSCH_TOUT - ktime_ms_delta(ktime_get(), wm8960->dsch_start);
954 if (tout > 0)
955 msleep(tout);
956
957 regcache_sync(wm8960->regmap);
958
959
960 snd_soc_component_write(component, WM8960_APOP1,
961 WM8960_POBCTRL | WM8960_SOFT_ST |
962 WM8960_BUFDCOPEN | WM8960_BUFIOEN);
963
964
965 snd_soc_component_update_bits(component, WM8960_POWER1, 0x80, 0x80);
966 msleep(100);
967
968
969 snd_soc_component_update_bits(component, WM8960_POWER1, WM8960_VREF,
970 WM8960_VREF);
971
972
973 snd_soc_component_write(component, WM8960_APOP1, WM8960_BUFIOEN);
974 }
975
976
977 snd_soc_component_update_bits(component, WM8960_POWER1, 0x180, 0x100);
978 break;
979
980 case SND_SOC_BIAS_OFF:
981
982 snd_soc_component_write(component, WM8960_APOP1,
983 WM8960_POBCTRL | WM8960_SOFT_ST |
984 WM8960_BUFDCOPEN | WM8960_BUFIOEN);
985
986
987 snd_soc_component_write(component, WM8960_POWER1, 0);
988 wm8960->dsch_start = ktime_get();
989 break;
990 }
991
992 return 0;
993}
994
995static int wm8960_set_bias_level_capless(struct snd_soc_component *component,
996 enum snd_soc_bias_level level)
997{
998 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
999 u16 pm2 = snd_soc_component_read(component, WM8960_POWER2);
1000 int reg, ret;
1001
1002 switch (level) {
1003 case SND_SOC_BIAS_ON:
1004 break;
1005
1006 case SND_SOC_BIAS_PREPARE:
1007 switch (snd_soc_component_get_bias_level(component)) {
1008 case SND_SOC_BIAS_STANDBY:
1009
1010 snd_soc_component_update_bits(component, WM8960_APOP1,
1011 WM8960_POBCTRL | WM8960_SOFT_ST |
1012 WM8960_BUFDCOPEN,
1013 WM8960_POBCTRL | WM8960_SOFT_ST |
1014 WM8960_BUFDCOPEN);
1015
1016
1017 reg = 0;
1018 if (wm8960->lout1 && wm8960->lout1->power)
1019 reg |= WM8960_PWR2_LOUT1;
1020 if (wm8960->rout1 && wm8960->rout1->power)
1021 reg |= WM8960_PWR2_ROUT1;
1022 if (wm8960->out3 && wm8960->out3->power)
1023 reg |= WM8960_PWR2_OUT3;
1024 snd_soc_component_update_bits(component, WM8960_POWER2,
1025 WM8960_PWR2_LOUT1 |
1026 WM8960_PWR2_ROUT1 |
1027 WM8960_PWR2_OUT3, reg);
1028
1029
1030 snd_soc_component_update_bits(component, WM8960_POWER1,
1031 WM8960_VMID_MASK, 0x80);
1032
1033
1034 msleep(100);
1035
1036
1037 snd_soc_component_update_bits(component, WM8960_POWER1,
1038 WM8960_VREF, WM8960_VREF);
1039
1040 msleep(100);
1041
1042 if (!IS_ERR(wm8960->mclk)) {
1043 ret = clk_prepare_enable(wm8960->mclk);
1044 if (ret) {
1045 dev_err(component->dev,
1046 "Failed to enable MCLK: %d\n",
1047 ret);
1048 return ret;
1049 }
1050 }
1051
1052 ret = wm8960_configure_clocking(component);
1053 if (ret)
1054 return ret;
1055
1056 break;
1057
1058 case SND_SOC_BIAS_ON:
1059
1060
1061
1062
1063 if (wm8960->clk_id == WM8960_SYSCLK_AUTO && (pm2 & 0x1))
1064 wm8960_set_pll(component, 0, 0);
1065
1066 if (!IS_ERR(wm8960->mclk))
1067 clk_disable_unprepare(wm8960->mclk);
1068
1069
1070 snd_soc_component_update_bits(component, WM8960_APOP1,
1071 WM8960_POBCTRL | WM8960_SOFT_ST |
1072 WM8960_BUFDCOPEN,
1073 WM8960_POBCTRL | WM8960_SOFT_ST |
1074 WM8960_BUFDCOPEN);
1075
1076
1077 snd_soc_component_update_bits(component, WM8960_POWER1,
1078 WM8960_VREF | WM8960_VMID_MASK, 0);
1079 break;
1080
1081 case SND_SOC_BIAS_OFF:
1082 regcache_sync(wm8960->regmap);
1083 break;
1084 default:
1085 break;
1086 }
1087 break;
1088
1089 case SND_SOC_BIAS_STANDBY:
1090 switch (snd_soc_component_get_bias_level(component)) {
1091 case SND_SOC_BIAS_PREPARE:
1092
1093 snd_soc_component_update_bits(component, WM8960_APOP2,
1094 WM8960_DISOP | WM8960_DRES_MASK,
1095 0);
1096
1097
1098 snd_soc_component_update_bits(component, WM8960_APOP1,
1099 WM8960_POBCTRL | WM8960_SOFT_ST |
1100 WM8960_BUFDCOPEN,
1101 WM8960_POBCTRL | WM8960_SOFT_ST |
1102 WM8960_BUFDCOPEN);
1103 break;
1104
1105 default:
1106 break;
1107 }
1108 break;
1109
1110 case SND_SOC_BIAS_OFF:
1111 break;
1112 }
1113
1114 return 0;
1115}
1116
1117
1118struct _pll_div {
1119 u32 pre_div:1;
1120 u32 n:4;
1121 u32 k:24;
1122};
1123
1124static bool is_pll_freq_available(unsigned int source, unsigned int target)
1125{
1126 unsigned int Ndiv;
1127
1128 if (source == 0 || target == 0)
1129 return false;
1130
1131
1132 target *= 4;
1133 Ndiv = target / source;
1134
1135 if (Ndiv < 6) {
1136 source >>= 1;
1137 Ndiv = target / source;
1138 }
1139
1140 if ((Ndiv < 6) || (Ndiv > 12))
1141 return false;
1142
1143 return true;
1144}
1145
1146
1147
1148#define FIXED_PLL_SIZE ((1 << 24) * 10)
1149
1150static int pll_factors(unsigned int source, unsigned int target,
1151 struct _pll_div *pll_div)
1152{
1153 unsigned long long Kpart;
1154 unsigned int K, Ndiv, Nmod;
1155
1156 pr_debug("WM8960 PLL: setting %dHz->%dHz\n", source, target);
1157
1158
1159 target *= 4;
1160
1161 Ndiv = target / source;
1162 if (Ndiv < 6) {
1163 source >>= 1;
1164 pll_div->pre_div = 1;
1165 Ndiv = target / source;
1166 } else
1167 pll_div->pre_div = 0;
1168
1169 if ((Ndiv < 6) || (Ndiv > 12)) {
1170 pr_err("WM8960 PLL: Unsupported N=%d\n", Ndiv);
1171 return -EINVAL;
1172 }
1173
1174 pll_div->n = Ndiv;
1175 Nmod = target % source;
1176 Kpart = FIXED_PLL_SIZE * (long long)Nmod;
1177
1178 do_div(Kpart, source);
1179
1180 K = Kpart & 0xFFFFFFFF;
1181
1182
1183 if ((K % 10) >= 5)
1184 K += 5;
1185
1186
1187 K /= 10;
1188
1189 pll_div->k = K;
1190
1191 pr_debug("WM8960 PLL: N=%x K=%x pre_div=%d\n",
1192 pll_div->n, pll_div->k, pll_div->pre_div);
1193
1194 return 0;
1195}
1196
1197static int wm8960_set_pll(struct snd_soc_component *component,
1198 unsigned int freq_in, unsigned int freq_out)
1199{
1200 u16 reg;
1201 static struct _pll_div pll_div;
1202 int ret;
1203
1204 if (freq_in && freq_out) {
1205 ret = pll_factors(freq_in, freq_out, &pll_div);
1206 if (ret != 0)
1207 return ret;
1208 }
1209
1210
1211
1212 snd_soc_component_update_bits(component, WM8960_CLOCK1, 0x1, 0);
1213 snd_soc_component_update_bits(component, WM8960_POWER2, 0x1, 0);
1214
1215 if (!freq_in || !freq_out)
1216 return 0;
1217
1218 reg = snd_soc_component_read(component, WM8960_PLL1) & ~0x3f;
1219 reg |= pll_div.pre_div << 4;
1220 reg |= pll_div.n;
1221
1222 if (pll_div.k) {
1223 reg |= 0x20;
1224
1225 snd_soc_component_write(component, WM8960_PLL2, (pll_div.k >> 16) & 0xff);
1226 snd_soc_component_write(component, WM8960_PLL3, (pll_div.k >> 8) & 0xff);
1227 snd_soc_component_write(component, WM8960_PLL4, pll_div.k & 0xff);
1228 }
1229 snd_soc_component_write(component, WM8960_PLL1, reg);
1230
1231
1232 snd_soc_component_update_bits(component, WM8960_POWER2, 0x1, 0x1);
1233 msleep(250);
1234 snd_soc_component_update_bits(component, WM8960_CLOCK1, 0x1, 0x1);
1235
1236 return 0;
1237}
1238
1239static int wm8960_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1240 int source, unsigned int freq_in, unsigned int freq_out)
1241{
1242 struct snd_soc_component *component = codec_dai->component;
1243 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
1244
1245 wm8960->freq_in = freq_in;
1246
1247 if (pll_id == WM8960_SYSCLK_AUTO)
1248 return 0;
1249
1250 return wm8960_set_pll(component, freq_in, freq_out);
1251}
1252
1253static int wm8960_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
1254 int div_id, int div)
1255{
1256 struct snd_soc_component *component = codec_dai->component;
1257 u16 reg;
1258
1259 switch (div_id) {
1260 case WM8960_SYSCLKDIV:
1261 reg = snd_soc_component_read(component, WM8960_CLOCK1) & 0x1f9;
1262 snd_soc_component_write(component, WM8960_CLOCK1, reg | div);
1263 break;
1264 case WM8960_DACDIV:
1265 reg = snd_soc_component_read(component, WM8960_CLOCK1) & 0x1c7;
1266 snd_soc_component_write(component, WM8960_CLOCK1, reg | div);
1267 break;
1268 case WM8960_OPCLKDIV:
1269 reg = snd_soc_component_read(component, WM8960_PLL1) & 0x03f;
1270 snd_soc_component_write(component, WM8960_PLL1, reg | div);
1271 break;
1272 case WM8960_DCLKDIV:
1273 reg = snd_soc_component_read(component, WM8960_CLOCK2) & 0x03f;
1274 snd_soc_component_write(component, WM8960_CLOCK2, reg | div);
1275 break;
1276 case WM8960_TOCLKSEL:
1277 reg = snd_soc_component_read(component, WM8960_ADDCTL1) & 0x1fd;
1278 snd_soc_component_write(component, WM8960_ADDCTL1, reg | div);
1279 break;
1280 default:
1281 return -EINVAL;
1282 }
1283
1284 return 0;
1285}
1286
1287static int wm8960_set_bias_level(struct snd_soc_component *component,
1288 enum snd_soc_bias_level level)
1289{
1290 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
1291
1292 return wm8960->set_bias_level(component, level);
1293}
1294
1295static int wm8960_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
1296 unsigned int freq, int dir)
1297{
1298 struct snd_soc_component *component = dai->component;
1299 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
1300
1301 switch (clk_id) {
1302 case WM8960_SYSCLK_MCLK:
1303 snd_soc_component_update_bits(component, WM8960_CLOCK1,
1304 0x1, WM8960_SYSCLK_MCLK);
1305 break;
1306 case WM8960_SYSCLK_PLL:
1307 snd_soc_component_update_bits(component, WM8960_CLOCK1,
1308 0x1, WM8960_SYSCLK_PLL);
1309 break;
1310 case WM8960_SYSCLK_AUTO:
1311 break;
1312 default:
1313 return -EINVAL;
1314 }
1315
1316 wm8960->sysclk = freq;
1317 wm8960->clk_id = clk_id;
1318
1319 return 0;
1320}
1321
1322#define WM8960_RATES SNDRV_PCM_RATE_8000_48000
1323
1324#define WM8960_FORMATS \
1325 (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1326 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1327
1328static const struct snd_soc_dai_ops wm8960_dai_ops = {
1329 .hw_params = wm8960_hw_params,
1330 .hw_free = wm8960_hw_free,
1331 .mute_stream = wm8960_mute,
1332 .set_fmt = wm8960_set_dai_fmt,
1333 .set_clkdiv = wm8960_set_dai_clkdiv,
1334 .set_pll = wm8960_set_dai_pll,
1335 .set_sysclk = wm8960_set_dai_sysclk,
1336 .no_capture_mute = 1,
1337};
1338
1339static struct snd_soc_dai_driver wm8960_dai = {
1340 .name = "wm8960-hifi",
1341 .playback = {
1342 .stream_name = "Playback",
1343 .channels_min = 1,
1344 .channels_max = 2,
1345 .rates = WM8960_RATES,
1346 .formats = WM8960_FORMATS,},
1347 .capture = {
1348 .stream_name = "Capture",
1349 .channels_min = 1,
1350 .channels_max = 2,
1351 .rates = WM8960_RATES,
1352 .formats = WM8960_FORMATS,},
1353 .ops = &wm8960_dai_ops,
1354 .symmetric_rate = 1,
1355};
1356
1357static int wm8960_probe(struct snd_soc_component *component)
1358{
1359 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
1360 struct wm8960_data *pdata = &wm8960->pdata;
1361
1362 if (pdata->capless)
1363 wm8960->set_bias_level = wm8960_set_bias_level_capless;
1364 else
1365 wm8960->set_bias_level = wm8960_set_bias_level_out3;
1366
1367 snd_soc_add_component_controls(component, wm8960_snd_controls,
1368 ARRAY_SIZE(wm8960_snd_controls));
1369 wm8960_add_widgets(component);
1370
1371 return 0;
1372}
1373
1374static const struct snd_soc_component_driver soc_component_dev_wm8960 = {
1375 .probe = wm8960_probe,
1376 .set_bias_level = wm8960_set_bias_level,
1377 .suspend_bias_off = 1,
1378 .idle_bias_on = 1,
1379 .use_pmdown_time = 1,
1380 .endianness = 1,
1381 .non_legacy_dai_naming = 1,
1382};
1383
1384static const struct regmap_config wm8960_regmap = {
1385 .reg_bits = 7,
1386 .val_bits = 9,
1387 .max_register = WM8960_PLL4,
1388
1389 .reg_defaults = wm8960_reg_defaults,
1390 .num_reg_defaults = ARRAY_SIZE(wm8960_reg_defaults),
1391 .cache_type = REGCACHE_RBTREE,
1392
1393 .volatile_reg = wm8960_volatile,
1394};
1395
1396static void wm8960_set_pdata_from_of(struct i2c_client *i2c,
1397 struct wm8960_data *pdata)
1398{
1399 const struct device_node *np = i2c->dev.of_node;
1400
1401 if (of_property_read_bool(np, "wlf,capless"))
1402 pdata->capless = true;
1403
1404 if (of_property_read_bool(np, "wlf,shared-lrclk"))
1405 pdata->shared_lrclk = true;
1406
1407 of_property_read_u32_array(np, "wlf,gpio-cfg", pdata->gpio_cfg,
1408 ARRAY_SIZE(pdata->gpio_cfg));
1409
1410 of_property_read_u32_array(np, "wlf,hp-cfg", pdata->hp_cfg,
1411 ARRAY_SIZE(pdata->hp_cfg));
1412}
1413
1414static int wm8960_i2c_probe(struct i2c_client *i2c)
1415{
1416 struct wm8960_data *pdata = dev_get_platdata(&i2c->dev);
1417 struct wm8960_priv *wm8960;
1418 int ret;
1419
1420 wm8960 = devm_kzalloc(&i2c->dev, sizeof(struct wm8960_priv),
1421 GFP_KERNEL);
1422 if (wm8960 == NULL)
1423 return -ENOMEM;
1424
1425 wm8960->mclk = devm_clk_get(&i2c->dev, "mclk");
1426 if (IS_ERR(wm8960->mclk)) {
1427 if (PTR_ERR(wm8960->mclk) == -EPROBE_DEFER)
1428 return -EPROBE_DEFER;
1429 }
1430
1431 wm8960->regmap = devm_regmap_init_i2c(i2c, &wm8960_regmap);
1432 if (IS_ERR(wm8960->regmap))
1433 return PTR_ERR(wm8960->regmap);
1434
1435 if (pdata)
1436 memcpy(&wm8960->pdata, pdata, sizeof(struct wm8960_data));
1437 else if (i2c->dev.of_node)
1438 wm8960_set_pdata_from_of(i2c, &wm8960->pdata);
1439
1440 ret = wm8960_reset(wm8960->regmap);
1441 if (ret != 0) {
1442 dev_err(&i2c->dev, "Failed to issue reset\n");
1443 return ret;
1444 }
1445
1446 if (wm8960->pdata.shared_lrclk) {
1447 ret = regmap_update_bits(wm8960->regmap, WM8960_ADDCTL2,
1448 0x4, 0x4);
1449 if (ret != 0) {
1450 dev_err(&i2c->dev, "Failed to enable LRCM: %d\n",
1451 ret);
1452 return ret;
1453 }
1454 }
1455
1456
1457 regmap_update_bits(wm8960->regmap, WM8960_LINVOL, 0x100, 0x100);
1458 regmap_update_bits(wm8960->regmap, WM8960_RINVOL, 0x100, 0x100);
1459 regmap_update_bits(wm8960->regmap, WM8960_LADC, 0x100, 0x100);
1460 regmap_update_bits(wm8960->regmap, WM8960_RADC, 0x100, 0x100);
1461 regmap_update_bits(wm8960->regmap, WM8960_LDAC, 0x100, 0x100);
1462 regmap_update_bits(wm8960->regmap, WM8960_RDAC, 0x100, 0x100);
1463 regmap_update_bits(wm8960->regmap, WM8960_LOUT1, 0x100, 0x100);
1464 regmap_update_bits(wm8960->regmap, WM8960_ROUT1, 0x100, 0x100);
1465 regmap_update_bits(wm8960->regmap, WM8960_LOUT2, 0x100, 0x100);
1466 regmap_update_bits(wm8960->regmap, WM8960_ROUT2, 0x100, 0x100);
1467
1468
1469 regmap_update_bits(wm8960->regmap, WM8960_IFACE2, 1 << 6,
1470 wm8960->pdata.gpio_cfg[0] << 6);
1471 regmap_update_bits(wm8960->regmap, WM8960_ADDCTL4, 0xF << 4,
1472 wm8960->pdata.gpio_cfg[1] << 4);
1473
1474
1475 regmap_update_bits(wm8960->regmap, WM8960_ADDCTL4, 3 << 2,
1476 wm8960->pdata.hp_cfg[0] << 2);
1477 regmap_update_bits(wm8960->regmap, WM8960_ADDCTL2, 3 << 5,
1478 wm8960->pdata.hp_cfg[1] << 5);
1479 regmap_update_bits(wm8960->regmap, WM8960_ADDCTL1, 3,
1480 wm8960->pdata.hp_cfg[2]);
1481
1482 i2c_set_clientdata(i2c, wm8960);
1483
1484 ret = devm_snd_soc_register_component(&i2c->dev,
1485 &soc_component_dev_wm8960, &wm8960_dai, 1);
1486
1487 return ret;
1488}
1489
1490static int wm8960_i2c_remove(struct i2c_client *client)
1491{
1492 return 0;
1493}
1494
1495static const struct i2c_device_id wm8960_i2c_id[] = {
1496 { "wm8960", 0 },
1497 { }
1498};
1499MODULE_DEVICE_TABLE(i2c, wm8960_i2c_id);
1500
1501#if defined(CONFIG_OF)
1502static const struct of_device_id wm8960_of_match[] = {
1503 { .compatible = "wlf,wm8960", },
1504 { }
1505};
1506MODULE_DEVICE_TABLE(of, wm8960_of_match);
1507#endif
1508
1509#if defined(CONFIG_ACPI)
1510static const struct acpi_device_id wm8960_acpi_match[] = {
1511 { "1AEC8960", 0 },
1512 { "10138960", 0 },
1513 { },
1514};
1515MODULE_DEVICE_TABLE(acpi, wm8960_acpi_match);
1516#endif
1517
1518static struct i2c_driver wm8960_i2c_driver = {
1519 .driver = {
1520 .name = "wm8960",
1521 .of_match_table = of_match_ptr(wm8960_of_match),
1522 .acpi_match_table = ACPI_PTR(wm8960_acpi_match),
1523 },
1524 .probe_new = wm8960_i2c_probe,
1525 .remove = wm8960_i2c_remove,
1526 .id_table = wm8960_i2c_id,
1527};
1528
1529module_i2c_driver(wm8960_i2c_driver);
1530
1531MODULE_DESCRIPTION("ASoC WM8960 driver");
1532MODULE_AUTHOR("Liam Girdwood");
1533MODULE_LICENSE("GPL");
1534
