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1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * wm8753.c -- WM8753 ALSA Soc Audio driver
4 *
5 * Copyright 2003-11 Wolfson Microelectronics PLC.
6 * Author: Liam Girdwood <lrg@slimlogic.co.uk>
7 *
8 * Notes:
9 * The WM8753 is a low power, high quality stereo codec with integrated PCM
10 * codec designed for portable digital telephony applications.
11 *
12 * Dual DAI:-
13 *
14 * This driver support 2 DAI PCM's. This makes the default PCM available for
15 * HiFi audio (e.g. MP3, ogg) playback/capture and the other PCM available for
16 * voice.
17 *
18 * Please note that the voice PCM can be connected directly to a Bluetooth
19 * codec or GSM modem and thus cannot be read or written to, although it is
20 * available to be configured with snd_hw_params(), etc and kcontrols in the
21 * normal alsa manner.
22 *
23 * Fast DAI switching:-
24 *
25 * The driver can now fast switch between the DAI configurations via a
26 * an alsa kcontrol. This allows the PCM to remain open.
27 */
28
29#include <linux/mod_devicetable.h>
30#include <linux/module.h>
31#include <linux/kernel.h>
32#include <linux/init.h>
33#include <linux/delay.h>
34#include <linux/pm.h>
35#include <linux/i2c.h>
36#include <linux/regmap.h>
37#include <linux/spi/spi.h>
38#include <linux/slab.h>
39#include <sound/core.h>
40#include <sound/pcm.h>
41#include <sound/pcm_params.h>
42#include <sound/soc.h>
43#include <sound/initval.h>
44#include <sound/tlv.h>
45#include <asm/div64.h>
46
47#include "wm8753.h"
48
49static int caps_charge = 2000;
50module_param(caps_charge, int, 0);
51MODULE_PARM_DESC(caps_charge, "WM8753 cap charge time (msecs)");
52
53static int wm8753_hifi_write_dai_fmt(struct snd_soc_component *component,
54 unsigned int fmt);
55static int wm8753_voice_write_dai_fmt(struct snd_soc_component *component,
56 unsigned int fmt);
57
58/*
59 * wm8753 register cache
60 * We can't read the WM8753 register space when we
61 * are using 2 wire for device control, so we cache them instead.
62 */
63static const struct reg_default wm8753_reg_defaults[] = {
64 { 0x00, 0x0000 },
65 { 0x01, 0x0008 },
66 { 0x02, 0x0000 },
67 { 0x03, 0x000a },
68 { 0x04, 0x000a },
69 { 0x05, 0x0033 },
70 { 0x06, 0x0000 },
71 { 0x07, 0x0007 },
72 { 0x08, 0x00ff },
73 { 0x09, 0x00ff },
74 { 0x0a, 0x000f },
75 { 0x0b, 0x000f },
76 { 0x0c, 0x007b },
77 { 0x0d, 0x0000 },
78 { 0x0e, 0x0032 },
79 { 0x0f, 0x0000 },
80 { 0x10, 0x00c3 },
81 { 0x11, 0x00c3 },
82 { 0x12, 0x00c0 },
83 { 0x13, 0x0000 },
84 { 0x14, 0x0000 },
85 { 0x15, 0x0000 },
86 { 0x16, 0x0000 },
87 { 0x17, 0x0000 },
88 { 0x18, 0x0000 },
89 { 0x19, 0x0000 },
90 { 0x1a, 0x0000 },
91 { 0x1b, 0x0000 },
92 { 0x1c, 0x0000 },
93 { 0x1d, 0x0000 },
94 { 0x1e, 0x0000 },
95 { 0x1f, 0x0000 },
96 { 0x20, 0x0055 },
97 { 0x21, 0x0005 },
98 { 0x22, 0x0050 },
99 { 0x23, 0x0055 },
100 { 0x24, 0x0050 },
101 { 0x25, 0x0055 },
102 { 0x26, 0x0050 },
103 { 0x27, 0x0055 },
104 { 0x28, 0x0079 },
105 { 0x29, 0x0079 },
106 { 0x2a, 0x0079 },
107 { 0x2b, 0x0079 },
108 { 0x2c, 0x0079 },
109 { 0x2d, 0x0000 },
110 { 0x2e, 0x0000 },
111 { 0x2f, 0x0000 },
112 { 0x30, 0x0000 },
113 { 0x31, 0x0097 },
114 { 0x32, 0x0097 },
115 { 0x33, 0x0000 },
116 { 0x34, 0x0004 },
117 { 0x35, 0x0000 },
118 { 0x36, 0x0083 },
119 { 0x37, 0x0024 },
120 { 0x38, 0x01ba },
121 { 0x39, 0x0000 },
122 { 0x3a, 0x0083 },
123 { 0x3b, 0x0024 },
124 { 0x3c, 0x01ba },
125 { 0x3d, 0x0000 },
126 { 0x3e, 0x0000 },
127 { 0x3f, 0x0000 },
128};
129
130static bool wm8753_volatile(struct device *dev, unsigned int reg)
131{
132 return reg == WM8753_RESET;
133}
134
135/* codec private data */
136struct wm8753_priv {
137 struct regmap *regmap;
138 unsigned int sysclk;
139 unsigned int pcmclk;
140
141 unsigned int voice_fmt;
142 unsigned int hifi_fmt;
143
144 int dai_func;
145 struct delayed_work charge_work;
146};
147
148#define wm8753_reset(c) snd_soc_component_write(c, WM8753_RESET, 0)
149
150/*
151 * WM8753 Controls
152 */
153static const char *wm8753_base[] = {"Linear Control", "Adaptive Boost"};
154static const char *wm8753_base_filter[] =
155 {"130Hz @ 48kHz", "200Hz @ 48kHz", "100Hz @ 16kHz", "400Hz @ 48kHz",
156 "100Hz @ 8kHz", "200Hz @ 8kHz"};
157static const char *wm8753_treble[] = {"8kHz", "4kHz"};
158static const char *wm8753_alc_func[] = {"Off", "Right", "Left", "Stereo"};
159static const char *wm8753_ng_type[] = {"Constant PGA Gain", "Mute ADC Output"};
160static const char *wm8753_3d_func[] = {"Capture", "Playback"};
161static const char *wm8753_3d_uc[] = {"2.2kHz", "1.5kHz"};
162static const char *wm8753_3d_lc[] = {"200Hz", "500Hz"};
163static const char *wm8753_deemp[] = {"None", "32kHz", "44.1kHz", "48kHz"};
164static const char *wm8753_mono_mix[] = {"Stereo", "Left", "Right", "Mono"};
165static const char *wm8753_dac_phase[] = {"Non Inverted", "Inverted"};
166static const char *wm8753_line_mix[] = {"Line 1 + 2", "Line 1 - 2",
167 "Line 1", "Line 2"};
168static const char *wm8753_mono_mux[] = {"Line Mix", "Rx Mix"};
169static const char *wm8753_right_mux[] = {"Line 2", "Rx Mix"};
170static const char *wm8753_left_mux[] = {"Line 1", "Rx Mix"};
171static const char *wm8753_rxmsel[] = {"RXP - RXN", "RXP + RXN", "RXP", "RXN"};
172static const char *wm8753_sidetone_mux[] = {"Left PGA", "Mic 1", "Mic 2",
173 "Right PGA"};
174static const char *wm8753_mono2_src[] = {"Inverted Mono 1", "Left", "Right",
175 "Left + Right"};
176static const char *wm8753_out3[] = {"VREF", "ROUT2", "Left + Right"};
177static const char *wm8753_out4[] = {"VREF", "Capture ST", "LOUT2"};
178static const char *wm8753_radcsel[] = {"PGA", "Line or RXP-RXN", "Sidetone"};
179static const char *wm8753_ladcsel[] = {"PGA", "Line or RXP-RXN", "Line"};
180static const char *wm8753_mono_adc[] = {"Stereo", "Analogue Mix Left",
181 "Analogue Mix Right", "Digital Mono Mix"};
182static const char *wm8753_adc_hp[] = {"3.4Hz @ 48kHz", "82Hz @ 16k",
183 "82Hz @ 8kHz", "170Hz @ 8kHz"};
184static const char *wm8753_adc_filter[] = {"HiFi", "Voice"};
185static const char *wm8753_mic_sel[] = {"Mic 1", "Mic 2", "Mic 3"};
186static const char *wm8753_dai_mode[] = {"DAI 0", "DAI 1", "DAI 2", "DAI 3"};
187static const char *wm8753_dat_sel[] = {"Stereo", "Left ADC", "Right ADC",
188 "Channel Swap"};
189static const char *wm8753_rout2_phase[] = {"Non Inverted", "Inverted"};
190
191static const struct soc_enum wm8753_enum[] = {
192SOC_ENUM_SINGLE(WM8753_BASS, 7, 2, wm8753_base),
193SOC_ENUM_SINGLE(WM8753_BASS, 4, 6, wm8753_base_filter),
194SOC_ENUM_SINGLE(WM8753_TREBLE, 6, 2, wm8753_treble),
195SOC_ENUM_SINGLE(WM8753_ALC1, 7, 4, wm8753_alc_func),
196SOC_ENUM_SINGLE(WM8753_NGATE, 1, 2, wm8753_ng_type),
197SOC_ENUM_SINGLE(WM8753_3D, 7, 2, wm8753_3d_func),
198SOC_ENUM_SINGLE(WM8753_3D, 6, 2, wm8753_3d_uc),
199SOC_ENUM_SINGLE(WM8753_3D, 5, 2, wm8753_3d_lc),
200SOC_ENUM_SINGLE(WM8753_DAC, 1, 4, wm8753_deemp),
201SOC_ENUM_SINGLE(WM8753_DAC, 4, 4, wm8753_mono_mix),
202SOC_ENUM_SINGLE(WM8753_DAC, 6, 2, wm8753_dac_phase),
203SOC_ENUM_SINGLE(WM8753_INCTL1, 3, 4, wm8753_line_mix),
204SOC_ENUM_SINGLE(WM8753_INCTL1, 2, 2, wm8753_mono_mux),
205SOC_ENUM_SINGLE(WM8753_INCTL1, 1, 2, wm8753_right_mux),
206SOC_ENUM_SINGLE(WM8753_INCTL1, 0, 2, wm8753_left_mux),
207SOC_ENUM_SINGLE(WM8753_INCTL2, 6, 4, wm8753_rxmsel),
208SOC_ENUM_SINGLE(WM8753_INCTL2, 4, 4, wm8753_sidetone_mux),
209SOC_ENUM_SINGLE(WM8753_OUTCTL, 7, 4, wm8753_mono2_src),
210SOC_ENUM_SINGLE(WM8753_OUTCTL, 0, 3, wm8753_out3),
211SOC_ENUM_SINGLE(WM8753_ADCTL2, 7, 3, wm8753_out4),
212SOC_ENUM_SINGLE(WM8753_ADCIN, 2, 3, wm8753_radcsel),
213SOC_ENUM_SINGLE(WM8753_ADCIN, 0, 3, wm8753_ladcsel),
214SOC_ENUM_SINGLE(WM8753_ADCIN, 4, 4, wm8753_mono_adc),
215SOC_ENUM_SINGLE(WM8753_ADC, 2, 4, wm8753_adc_hp),
216SOC_ENUM_SINGLE(WM8753_ADC, 4, 2, wm8753_adc_filter),
217SOC_ENUM_SINGLE(WM8753_MICBIAS, 6, 3, wm8753_mic_sel),
218SOC_ENUM_SINGLE(WM8753_IOCTL, 2, 4, wm8753_dai_mode),
219SOC_ENUM_SINGLE(WM8753_ADC, 7, 4, wm8753_dat_sel),
220SOC_ENUM_SINGLE(WM8753_OUTCTL, 2, 2, wm8753_rout2_phase),
221};
222
223
224static int wm8753_get_dai(struct snd_kcontrol *kcontrol,
225 struct snd_ctl_elem_value *ucontrol)
226{
227 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
228 struct wm8753_priv *wm8753 = snd_soc_component_get_drvdata(component);
229
230 ucontrol->value.enumerated.item[0] = wm8753->dai_func;
231 return 0;
232}
233
234static int wm8753_set_dai(struct snd_kcontrol *kcontrol,
235 struct snd_ctl_elem_value *ucontrol)
236{
237 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
238 struct wm8753_priv *wm8753 = snd_soc_component_get_drvdata(component);
239 u16 ioctl;
240
241 if (wm8753->dai_func == ucontrol->value.enumerated.item[0])
242 return 0;
243
244 if (snd_soc_component_active(component))
245 return -EBUSY;
246
247 ioctl = snd_soc_component_read(component, WM8753_IOCTL);
248
249 wm8753->dai_func = ucontrol->value.enumerated.item[0];
250
251 if (((ioctl >> 2) & 0x3) == wm8753->dai_func)
252 return 1;
253
254 ioctl = (ioctl & 0x1f3) | (wm8753->dai_func << 2);
255 snd_soc_component_write(component, WM8753_IOCTL, ioctl);
256
257
258 wm8753_hifi_write_dai_fmt(component, wm8753->hifi_fmt);
259 wm8753_voice_write_dai_fmt(component, wm8753->voice_fmt);
260
261 return 1;
262}
263
264static const DECLARE_TLV_DB_SCALE(rec_mix_tlv, -1500, 300, 0);
265static const DECLARE_TLV_DB_SCALE(mic_preamp_tlv, 1200, 600, 0);
266static const DECLARE_TLV_DB_SCALE(adc_tlv, -9750, 50, 1);
267static const DECLARE_TLV_DB_SCALE(dac_tlv, -12750, 50, 1);
268static const DECLARE_TLV_DB_RANGE(out_tlv,
269 /* 0000000 - 0101111 = "Analogue mute" */
270 0, 48, TLV_DB_SCALE_ITEM(-25500, 0, 0),
271 48, 127, TLV_DB_SCALE_ITEM(-7300, 100, 0)
272);
273static const DECLARE_TLV_DB_SCALE(mix_tlv, -1500, 300, 0);
274static const DECLARE_TLV_DB_SCALE(voice_mix_tlv, -1200, 300, 0);
275static const DECLARE_TLV_DB_SCALE(pga_tlv, -1725, 75, 0);
276
277static const struct snd_kcontrol_new wm8753_snd_controls[] = {
278SOC_SINGLE("Hi-Fi DAC Left/Right channel Swap", WM8753_HIFI, 5, 1, 0),
279SOC_DOUBLE_R_TLV("PCM Volume", WM8753_LDAC, WM8753_RDAC, 0, 255, 0, dac_tlv),
280
281SOC_DOUBLE_R_TLV("ADC Capture Volume", WM8753_LADC, WM8753_RADC, 0, 255, 0,
282 adc_tlv),
283
284SOC_DOUBLE_R_TLV("Headphone Playback Volume", WM8753_LOUT1V, WM8753_ROUT1V,
285 0, 127, 0, out_tlv),
286SOC_DOUBLE_R_TLV("Speaker Playback Volume", WM8753_LOUT2V, WM8753_ROUT2V, 0,
287 127, 0, out_tlv),
288
289SOC_SINGLE_TLV("Mono Playback Volume", WM8753_MOUTV, 0, 127, 0, out_tlv),
290
291SOC_DOUBLE_R_TLV("Bypass Playback Volume", WM8753_LOUTM1, WM8753_ROUTM1, 4, 7,
292 1, mix_tlv),
293SOC_DOUBLE_R_TLV("Sidetone Playback Volume", WM8753_LOUTM2, WM8753_ROUTM2, 4,
294 7, 1, mix_tlv),
295SOC_DOUBLE_R_TLV("Voice Playback Volume", WM8753_LOUTM2, WM8753_ROUTM2, 0, 7,
296 1, voice_mix_tlv),
297
298SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8753_LOUT1V, WM8753_ROUT1V, 7,
299 1, 0),
300SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8753_LOUT2V, WM8753_ROUT2V, 7,
301 1, 0),
302
303SOC_SINGLE_TLV("Mono Bypass Playback Volume", WM8753_MOUTM1, 4, 7, 1, mix_tlv),
304SOC_SINGLE_TLV("Mono Sidetone Playback Volume", WM8753_MOUTM2, 4, 7, 1,
305 mix_tlv),
306SOC_SINGLE_TLV("Mono Voice Playback Volume", WM8753_MOUTM2, 0, 7, 1,
307 voice_mix_tlv),
308SOC_SINGLE("Mono Playback ZC Switch", WM8753_MOUTV, 7, 1, 0),
309
310SOC_ENUM("Bass Boost", wm8753_enum[0]),
311SOC_ENUM("Bass Filter", wm8753_enum[1]),
312SOC_SINGLE("Bass Volume", WM8753_BASS, 0, 15, 1),
313
314SOC_SINGLE("Treble Volume", WM8753_TREBLE, 0, 15, 1),
315SOC_ENUM("Treble Cut-off", wm8753_enum[2]),
316
317SOC_DOUBLE_TLV("Sidetone Capture Volume", WM8753_RECMIX1, 0, 4, 7, 1,
318 rec_mix_tlv),
319SOC_SINGLE_TLV("Voice Sidetone Capture Volume", WM8753_RECMIX2, 0, 7, 1,
320 rec_mix_tlv),
321
322SOC_DOUBLE_R_TLV("Capture Volume", WM8753_LINVOL, WM8753_RINVOL, 0, 63, 0,
323 pga_tlv),
324SOC_DOUBLE_R("Capture ZC Switch", WM8753_LINVOL, WM8753_RINVOL, 6, 1, 0),
325SOC_DOUBLE_R("Capture Switch", WM8753_LINVOL, WM8753_RINVOL, 7, 1, 1),
326
327SOC_ENUM("Capture Filter Select", wm8753_enum[23]),
328SOC_ENUM("Capture Filter Cut-off", wm8753_enum[24]),
329SOC_SINGLE("Capture Filter Switch", WM8753_ADC, 0, 1, 1),
330
331SOC_SINGLE("ALC Capture Target Volume", WM8753_ALC1, 0, 7, 0),
332SOC_SINGLE("ALC Capture Max Volume", WM8753_ALC1, 4, 7, 0),
333SOC_ENUM("ALC Capture Function", wm8753_enum[3]),
334SOC_SINGLE("ALC Capture ZC Switch", WM8753_ALC2, 8, 1, 0),
335SOC_SINGLE("ALC Capture Hold Time", WM8753_ALC2, 0, 15, 1),
336SOC_SINGLE("ALC Capture Decay Time", WM8753_ALC3, 4, 15, 1),
337SOC_SINGLE("ALC Capture Attack Time", WM8753_ALC3, 0, 15, 0),
338SOC_SINGLE("ALC Capture NG Threshold", WM8753_NGATE, 3, 31, 0),
339SOC_ENUM("ALC Capture NG Type", wm8753_enum[4]),
340SOC_SINGLE("ALC Capture NG Switch", WM8753_NGATE, 0, 1, 0),
341
342SOC_ENUM("3D Function", wm8753_enum[5]),
343SOC_ENUM("3D Upper Cut-off", wm8753_enum[6]),
344SOC_ENUM("3D Lower Cut-off", wm8753_enum[7]),
345SOC_SINGLE("3D Volume", WM8753_3D, 1, 15, 0),
346SOC_SINGLE("3D Switch", WM8753_3D, 0, 1, 0),
347
348SOC_SINGLE("Capture 6dB Attenuate", WM8753_ADCTL1, 2, 1, 0),
349SOC_SINGLE("Playback 6dB Attenuate", WM8753_ADCTL1, 1, 1, 0),
350
351SOC_ENUM("De-emphasis", wm8753_enum[8]),
352SOC_ENUM("Playback Mono Mix", wm8753_enum[9]),
353SOC_ENUM("Playback Phase", wm8753_enum[10]),
354
355SOC_SINGLE_TLV("Mic2 Capture Volume", WM8753_INCTL1, 7, 3, 0, mic_preamp_tlv),
356SOC_SINGLE_TLV("Mic1 Capture Volume", WM8753_INCTL1, 5, 3, 0, mic_preamp_tlv),
357
358SOC_ENUM_EXT("DAI Mode", wm8753_enum[26], wm8753_get_dai, wm8753_set_dai),
359
360SOC_ENUM("ADC Data Select", wm8753_enum[27]),
361SOC_ENUM("ROUT2 Phase", wm8753_enum[28]),
362};
363
364/*
365 * _DAPM_ Controls
366 */
367
368/* Left Mixer */
369static const struct snd_kcontrol_new wm8753_left_mixer_controls[] = {
370SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_LOUTM2, 8, 1, 0),
371SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_LOUTM2, 7, 1, 0),
372SOC_DAPM_SINGLE("Left Playback Switch", WM8753_LOUTM1, 8, 1, 0),
373SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_LOUTM1, 7, 1, 0),
374};
375
376/* Right mixer */
377static const struct snd_kcontrol_new wm8753_right_mixer_controls[] = {
378SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_ROUTM2, 8, 1, 0),
379SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_ROUTM2, 7, 1, 0),
380SOC_DAPM_SINGLE("Right Playback Switch", WM8753_ROUTM1, 8, 1, 0),
381SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_ROUTM1, 7, 1, 0),
382};
383
384/* Mono mixer */
385static const struct snd_kcontrol_new wm8753_mono_mixer_controls[] = {
386SOC_DAPM_SINGLE("Left Playback Switch", WM8753_MOUTM1, 8, 1, 0),
387SOC_DAPM_SINGLE("Right Playback Switch", WM8753_MOUTM2, 8, 1, 0),
388SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_MOUTM2, 3, 1, 0),
389SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_MOUTM2, 7, 1, 0),
390SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_MOUTM1, 7, 1, 0),
391};
392
393/* Mono 2 Mux */
394static const struct snd_kcontrol_new wm8753_mono2_controls =
395SOC_DAPM_ENUM("Route", wm8753_enum[17]);
396
397/* Out 3 Mux */
398static const struct snd_kcontrol_new wm8753_out3_controls =
399SOC_DAPM_ENUM("Route", wm8753_enum[18]);
400
401/* Out 4 Mux */
402static const struct snd_kcontrol_new wm8753_out4_controls =
403SOC_DAPM_ENUM("Route", wm8753_enum[19]);
404
405/* ADC Mono Mix */
406static const struct snd_kcontrol_new wm8753_adc_mono_controls =
407SOC_DAPM_ENUM("Route", wm8753_enum[22]);
408
409/* Record mixer */
410static const struct snd_kcontrol_new wm8753_record_mixer_controls[] = {
411SOC_DAPM_SINGLE("Voice Capture Switch", WM8753_RECMIX2, 3, 1, 0),
412SOC_DAPM_SINGLE("Left Capture Switch", WM8753_RECMIX1, 3, 1, 0),
413SOC_DAPM_SINGLE("Right Capture Switch", WM8753_RECMIX1, 7, 1, 0),
414};
415
416/* Left ADC mux */
417static const struct snd_kcontrol_new wm8753_adc_left_controls =
418SOC_DAPM_ENUM("Route", wm8753_enum[21]);
419
420/* Right ADC mux */
421static const struct snd_kcontrol_new wm8753_adc_right_controls =
422SOC_DAPM_ENUM("Route", wm8753_enum[20]);
423
424/* MIC mux */
425static const struct snd_kcontrol_new wm8753_mic_mux_controls =
426SOC_DAPM_ENUM("Route", wm8753_enum[16]);
427
428/* ALC mixer */
429static const struct snd_kcontrol_new wm8753_alc_mixer_controls[] = {
430SOC_DAPM_SINGLE("Line Capture Switch", WM8753_INCTL2, 3, 1, 0),
431SOC_DAPM_SINGLE("Mic2 Capture Switch", WM8753_INCTL2, 2, 1, 0),
432SOC_DAPM_SINGLE("Mic1 Capture Switch", WM8753_INCTL2, 1, 1, 0),
433SOC_DAPM_SINGLE("Rx Capture Switch", WM8753_INCTL2, 0, 1, 0),
434};
435
436/* Left Line mux */
437static const struct snd_kcontrol_new wm8753_line_left_controls =
438SOC_DAPM_ENUM("Route", wm8753_enum[14]);
439
440/* Right Line mux */
441static const struct snd_kcontrol_new wm8753_line_right_controls =
442SOC_DAPM_ENUM("Route", wm8753_enum[13]);
443
444/* Mono Line mux */
445static const struct snd_kcontrol_new wm8753_line_mono_controls =
446SOC_DAPM_ENUM("Route", wm8753_enum[12]);
447
448/* Line mux and mixer */
449static const struct snd_kcontrol_new wm8753_line_mux_mix_controls =
450SOC_DAPM_ENUM("Route", wm8753_enum[11]);
451
452/* Rx mux and mixer */
453static const struct snd_kcontrol_new wm8753_rx_mux_mix_controls =
454SOC_DAPM_ENUM("Route", wm8753_enum[15]);
455
456/* Mic Selector Mux */
457static const struct snd_kcontrol_new wm8753_mic_sel_mux_controls =
458SOC_DAPM_ENUM("Route", wm8753_enum[25]);
459
460static const struct snd_soc_dapm_widget wm8753_dapm_widgets[] = {
461SND_SOC_DAPM_MICBIAS("Mic Bias", WM8753_PWR1, 5, 0),
462SND_SOC_DAPM_MIXER("Left Mixer", WM8753_PWR4, 0, 0,
463 &wm8753_left_mixer_controls[0], ARRAY_SIZE(wm8753_left_mixer_controls)),
464SND_SOC_DAPM_PGA("Left Out 1", WM8753_PWR3, 8, 0, NULL, 0),
465SND_SOC_DAPM_PGA("Left Out 2", WM8753_PWR3, 6, 0, NULL, 0),
466SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", WM8753_PWR1, 3, 0),
467SND_SOC_DAPM_OUTPUT("LOUT1"),
468SND_SOC_DAPM_OUTPUT("LOUT2"),
469SND_SOC_DAPM_MIXER("Right Mixer", WM8753_PWR4, 1, 0,
470 &wm8753_right_mixer_controls[0], ARRAY_SIZE(wm8753_right_mixer_controls)),
471SND_SOC_DAPM_PGA("Right Out 1", WM8753_PWR3, 7, 0, NULL, 0),
472SND_SOC_DAPM_PGA("Right Out 2", WM8753_PWR3, 5, 0, NULL, 0),
473SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", WM8753_PWR1, 2, 0),
474SND_SOC_DAPM_OUTPUT("ROUT1"),
475SND_SOC_DAPM_OUTPUT("ROUT2"),
476SND_SOC_DAPM_MIXER("Mono Mixer", WM8753_PWR4, 2, 0,
477 &wm8753_mono_mixer_controls[0], ARRAY_SIZE(wm8753_mono_mixer_controls)),
478SND_SOC_DAPM_PGA("Mono Out 1", WM8753_PWR3, 2, 0, NULL, 0),
479SND_SOC_DAPM_PGA("Mono Out 2", WM8753_PWR3, 1, 0, NULL, 0),
480SND_SOC_DAPM_DAC("Voice DAC", "Voice Playback", WM8753_PWR1, 4, 0),
481SND_SOC_DAPM_OUTPUT("MONO1"),
482SND_SOC_DAPM_MUX("Mono 2 Mux", SND_SOC_NOPM, 0, 0, &wm8753_mono2_controls),
483SND_SOC_DAPM_OUTPUT("MONO2"),
484SND_SOC_DAPM_MIXER("Out3 Left + Right", SND_SOC_NOPM, 0, 0, NULL, 0),
485SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, &wm8753_out3_controls),
486SND_SOC_DAPM_PGA("Out 3", WM8753_PWR3, 4, 0, NULL, 0),
487SND_SOC_DAPM_OUTPUT("OUT3"),
488SND_SOC_DAPM_MUX("Out4 Mux", SND_SOC_NOPM, 0, 0, &wm8753_out4_controls),
489SND_SOC_DAPM_PGA("Out 4", WM8753_PWR3, 3, 0, NULL, 0),
490SND_SOC_DAPM_OUTPUT("OUT4"),
491SND_SOC_DAPM_MIXER("Playback Mixer", WM8753_PWR4, 3, 0,
492 &wm8753_record_mixer_controls[0],
493 ARRAY_SIZE(wm8753_record_mixer_controls)),
494SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8753_PWR2, 3, 0),
495SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8753_PWR2, 2, 0),
496SND_SOC_DAPM_MUX("Capture Left Mixer", SND_SOC_NOPM, 0, 0,
497 &wm8753_adc_mono_controls),
498SND_SOC_DAPM_MUX("Capture Right Mixer", SND_SOC_NOPM, 0, 0,
499 &wm8753_adc_mono_controls),
500SND_SOC_DAPM_MUX("Capture Left Mux", SND_SOC_NOPM, 0, 0,
501 &wm8753_adc_left_controls),
502SND_SOC_DAPM_MUX("Capture Right Mux", SND_SOC_NOPM, 0, 0,
503 &wm8753_adc_right_controls),
504SND_SOC_DAPM_MUX("Mic Sidetone Mux", SND_SOC_NOPM, 0, 0,
505 &wm8753_mic_mux_controls),
506SND_SOC_DAPM_PGA("Left Capture Volume", WM8753_PWR2, 5, 0, NULL, 0),
507SND_SOC_DAPM_PGA("Right Capture Volume", WM8753_PWR2, 4, 0, NULL, 0),
508SND_SOC_DAPM_MIXER("ALC Mixer", WM8753_PWR2, 6, 0,
509 &wm8753_alc_mixer_controls[0], ARRAY_SIZE(wm8753_alc_mixer_controls)),
510SND_SOC_DAPM_MUX("Line Left Mux", SND_SOC_NOPM, 0, 0,
511 &wm8753_line_left_controls),
512SND_SOC_DAPM_MUX("Line Right Mux", SND_SOC_NOPM, 0, 0,
513 &wm8753_line_right_controls),
514SND_SOC_DAPM_MUX("Line Mono Mux", SND_SOC_NOPM, 0, 0,
515 &wm8753_line_mono_controls),
516SND_SOC_DAPM_MUX("Line Mixer", WM8753_PWR2, 0, 0,
517 &wm8753_line_mux_mix_controls),
518SND_SOC_DAPM_MUX("Rx Mixer", WM8753_PWR2, 1, 0,
519 &wm8753_rx_mux_mix_controls),
520SND_SOC_DAPM_PGA("Mic 1 Volume", WM8753_PWR2, 8, 0, NULL, 0),
521SND_SOC_DAPM_PGA("Mic 2 Volume", WM8753_PWR2, 7, 0, NULL, 0),
522SND_SOC_DAPM_MUX("Mic Selection Mux", SND_SOC_NOPM, 0, 0,
523 &wm8753_mic_sel_mux_controls),
524SND_SOC_DAPM_INPUT("LINE1"),
525SND_SOC_DAPM_INPUT("LINE2"),
526SND_SOC_DAPM_INPUT("RXP"),
527SND_SOC_DAPM_INPUT("RXN"),
528SND_SOC_DAPM_INPUT("ACIN"),
529SND_SOC_DAPM_OUTPUT("ACOP"),
530SND_SOC_DAPM_INPUT("MIC1N"),
531SND_SOC_DAPM_INPUT("MIC1"),
532SND_SOC_DAPM_INPUT("MIC2N"),
533SND_SOC_DAPM_INPUT("MIC2"),
534SND_SOC_DAPM_VMID("VREF"),
535};
536
537static const struct snd_soc_dapm_route wm8753_dapm_routes[] = {
538 /* left mixer */
539 {"Left Mixer", "Left Playback Switch", "Left DAC"},
540 {"Left Mixer", "Voice Playback Switch", "Voice DAC"},
541 {"Left Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"},
542 {"Left Mixer", "Bypass Playback Switch", "Line Left Mux"},
543
544 /* right mixer */
545 {"Right Mixer", "Right Playback Switch", "Right DAC"},
546 {"Right Mixer", "Voice Playback Switch", "Voice DAC"},
547 {"Right Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"},
548 {"Right Mixer", "Bypass Playback Switch", "Line Right Mux"},
549
550 /* mono mixer */
551 {"Mono Mixer", "Voice Playback Switch", "Voice DAC"},
552 {"Mono Mixer", "Left Playback Switch", "Left DAC"},
553 {"Mono Mixer", "Right Playback Switch", "Right DAC"},
554 {"Mono Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"},
555 {"Mono Mixer", "Bypass Playback Switch", "Line Mono Mux"},
556
557 /* left out */
558 {"Left Out 1", NULL, "Left Mixer"},
559 {"Left Out 2", NULL, "Left Mixer"},
560 {"LOUT1", NULL, "Left Out 1"},
561 {"LOUT2", NULL, "Left Out 2"},
562
563 /* right out */
564 {"Right Out 1", NULL, "Right Mixer"},
565 {"Right Out 2", NULL, "Right Mixer"},
566 {"ROUT1", NULL, "Right Out 1"},
567 {"ROUT2", NULL, "Right Out 2"},
568
569 /* mono 1 out */
570 {"Mono Out 1", NULL, "Mono Mixer"},
571 {"MONO1", NULL, "Mono Out 1"},
572
573 /* mono 2 out */
574 {"Mono 2 Mux", "Left + Right", "Out3 Left + Right"},
575 {"Mono 2 Mux", "Inverted Mono 1", "MONO1"},
576 {"Mono 2 Mux", "Left", "Left Mixer"},
577 {"Mono 2 Mux", "Right", "Right Mixer"},
578 {"Mono Out 2", NULL, "Mono 2 Mux"},
579 {"MONO2", NULL, "Mono Out 2"},
580
581 /* out 3 */
582 {"Out3 Left + Right", NULL, "Left Mixer"},
583 {"Out3 Left + Right", NULL, "Right Mixer"},
584 {"Out3 Mux", "VREF", "VREF"},
585 {"Out3 Mux", "Left + Right", "Out3 Left + Right"},
586 {"Out3 Mux", "ROUT2", "ROUT2"},
587 {"Out 3", NULL, "Out3 Mux"},
588 {"OUT3", NULL, "Out 3"},
589
590 /* out 4 */
591 {"Out4 Mux", "VREF", "VREF"},
592 {"Out4 Mux", "Capture ST", "Playback Mixer"},
593 {"Out4 Mux", "LOUT2", "LOUT2"},
594 {"Out 4", NULL, "Out4 Mux"},
595 {"OUT4", NULL, "Out 4"},
596
597 /* record mixer */
598 {"Playback Mixer", "Left Capture Switch", "Left Mixer"},
599 {"Playback Mixer", "Voice Capture Switch", "Mono Mixer"},
600 {"Playback Mixer", "Right Capture Switch", "Right Mixer"},
601
602 /* Mic/SideTone Mux */
603 {"Mic Sidetone Mux", "Left PGA", "Left Capture Volume"},
604 {"Mic Sidetone Mux", "Right PGA", "Right Capture Volume"},
605 {"Mic Sidetone Mux", "Mic 1", "Mic 1 Volume"},
606 {"Mic Sidetone Mux", "Mic 2", "Mic 2 Volume"},
607
608 /* Capture Left Mux */
609 {"Capture Left Mux", "PGA", "Left Capture Volume"},
610 {"Capture Left Mux", "Line or RXP-RXN", "Line Left Mux"},
611 {"Capture Left Mux", "Line", "LINE1"},
612
613 /* Capture Right Mux */
614 {"Capture Right Mux", "PGA", "Right Capture Volume"},
615 {"Capture Right Mux", "Line or RXP-RXN", "Line Right Mux"},
616 {"Capture Right Mux", "Sidetone", "Playback Mixer"},
617
618 /* Mono Capture mixer-mux */
619 {"Capture Right Mixer", "Stereo", "Capture Right Mux"},
620 {"Capture Left Mixer", "Stereo", "Capture Left Mux"},
621 {"Capture Left Mixer", "Analogue Mix Left", "Capture Left Mux"},
622 {"Capture Left Mixer", "Analogue Mix Left", "Capture Right Mux"},
623 {"Capture Right Mixer", "Analogue Mix Right", "Capture Left Mux"},
624 {"Capture Right Mixer", "Analogue Mix Right", "Capture Right Mux"},
625 {"Capture Left Mixer", "Digital Mono Mix", "Capture Left Mux"},
626 {"Capture Left Mixer", "Digital Mono Mix", "Capture Right Mux"},
627 {"Capture Right Mixer", "Digital Mono Mix", "Capture Left Mux"},
628 {"Capture Right Mixer", "Digital Mono Mix", "Capture Right Mux"},
629
630 /* ADC */
631 {"Left ADC", NULL, "Capture Left Mixer"},
632 {"Right ADC", NULL, "Capture Right Mixer"},
633
634 /* Left Capture Volume */
635 {"Left Capture Volume", NULL, "ACIN"},
636
637 /* Right Capture Volume */
638 {"Right Capture Volume", NULL, "Mic 2 Volume"},
639
640 /* ALC Mixer */
641 {"ALC Mixer", "Line Capture Switch", "Line Mixer"},
642 {"ALC Mixer", "Mic2 Capture Switch", "Mic 2 Volume"},
643 {"ALC Mixer", "Mic1 Capture Switch", "Mic 1 Volume"},
644 {"ALC Mixer", "Rx Capture Switch", "Rx Mixer"},
645
646 /* Line Left Mux */
647 {"Line Left Mux", "Line 1", "LINE1"},
648 {"Line Left Mux", "Rx Mix", "Rx Mixer"},
649
650 /* Line Right Mux */
651 {"Line Right Mux", "Line 2", "LINE2"},
652 {"Line Right Mux", "Rx Mix", "Rx Mixer"},
653
654 /* Line Mono Mux */
655 {"Line Mono Mux", "Line Mix", "Line Mixer"},
656 {"Line Mono Mux", "Rx Mix", "Rx Mixer"},
657
658 /* Line Mixer/Mux */
659 {"Line Mixer", "Line 1 + 2", "LINE1"},
660 {"Line Mixer", "Line 1 - 2", "LINE1"},
661 {"Line Mixer", "Line 1 + 2", "LINE2"},
662 {"Line Mixer", "Line 1 - 2", "LINE2"},
663 {"Line Mixer", "Line 1", "LINE1"},
664 {"Line Mixer", "Line 2", "LINE2"},
665
666 /* Rx Mixer/Mux */
667 {"Rx Mixer", "RXP - RXN", "RXP"},
668 {"Rx Mixer", "RXP + RXN", "RXP"},
669 {"Rx Mixer", "RXP - RXN", "RXN"},
670 {"Rx Mixer", "RXP + RXN", "RXN"},
671 {"Rx Mixer", "RXP", "RXP"},
672 {"Rx Mixer", "RXN", "RXN"},
673
674 /* Mic 1 Volume */
675 {"Mic 1 Volume", NULL, "MIC1N"},
676 {"Mic 1 Volume", NULL, "Mic Selection Mux"},
677
678 /* Mic 2 Volume */
679 {"Mic 2 Volume", NULL, "MIC2N"},
680 {"Mic 2 Volume", NULL, "MIC2"},
681
682 /* Mic Selector Mux */
683 {"Mic Selection Mux", "Mic 1", "MIC1"},
684 {"Mic Selection Mux", "Mic 2", "MIC2N"},
685 {"Mic Selection Mux", "Mic 3", "MIC2"},
686
687 /* ACOP */
688 {"ACOP", NULL, "ALC Mixer"},
689};
690
691/* PLL divisors */
692struct _pll_div {
693 u32 div2:1;
694 u32 n:4;
695 u32 k:24;
696};
697
698/* The size in bits of the pll divide multiplied by 10
699 * to allow rounding later */
700#define FIXED_PLL_SIZE ((1 << 22) * 10)
701
702static void pll_factors(struct _pll_div *pll_div, unsigned int target,
703 unsigned int source)
704{
705 u64 Kpart;
706 unsigned int K, Ndiv, Nmod;
707
708 Ndiv = target / source;
709 if (Ndiv < 6) {
710 source >>= 1;
711 pll_div->div2 = 1;
712 Ndiv = target / source;
713 } else
714 pll_div->div2 = 0;
715
716 if ((Ndiv < 6) || (Ndiv > 12))
717 printk(KERN_WARNING
718 "wm8753: unsupported N = %u\n", Ndiv);
719
720 pll_div->n = Ndiv;
721 Nmod = target % source;
722 Kpart = FIXED_PLL_SIZE * (long long)Nmod;
723
724 do_div(Kpart, source);
725
726 K = Kpart & 0xFFFFFFFF;
727
728 /* Check if we need to round */
729 if ((K % 10) >= 5)
730 K += 5;
731
732 /* Move down to proper range now rounding is done */
733 K /= 10;
734
735 pll_div->k = K;
736}
737
738static int wm8753_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
739 int source, unsigned int freq_in, unsigned int freq_out)
740{
741 u16 reg, enable;
742 int offset;
743 struct snd_soc_component *component = codec_dai->component;
744
745 if (pll_id < WM8753_PLL1 || pll_id > WM8753_PLL2)
746 return -ENODEV;
747
748 if (pll_id == WM8753_PLL1) {
749 offset = 0;
750 enable = 0x10;
751 reg = snd_soc_component_read(component, WM8753_CLOCK) & 0xffef;
752 } else {
753 offset = 4;
754 enable = 0x8;
755 reg = snd_soc_component_read(component, WM8753_CLOCK) & 0xfff7;
756 }
757
758 if (!freq_in || !freq_out) {
759 /* disable PLL */
760 snd_soc_component_write(component, WM8753_PLL1CTL1 + offset, 0x0026);
761 snd_soc_component_write(component, WM8753_CLOCK, reg);
762 return 0;
763 } else {
764 u16 value = 0;
765 struct _pll_div pll_div;
766
767 pll_factors(&pll_div, freq_out * 8, freq_in);
768
769 /* set up N and K PLL divisor ratios */
770 /* bits 8:5 = PLL_N, bits 3:0 = PLL_K[21:18] */
771 value = (pll_div.n << 5) + ((pll_div.k & 0x3c0000) >> 18);
772 snd_soc_component_write(component, WM8753_PLL1CTL2 + offset, value);
773
774 /* bits 8:0 = PLL_K[17:9] */
775 value = (pll_div.k & 0x03fe00) >> 9;
776 snd_soc_component_write(component, WM8753_PLL1CTL3 + offset, value);
777
778 /* bits 8:0 = PLL_K[8:0] */
779 value = pll_div.k & 0x0001ff;
780 snd_soc_component_write(component, WM8753_PLL1CTL4 + offset, value);
781
782 /* set PLL as input and enable */
783 snd_soc_component_write(component, WM8753_PLL1CTL1 + offset, 0x0027 |
784 (pll_div.div2 << 3));
785 snd_soc_component_write(component, WM8753_CLOCK, reg | enable);
786 }
787 return 0;
788}
789
790struct _coeff_div {
791 u32 mclk;
792 u32 rate;
793 u8 sr:5;
794 u8 usb:1;
795};
796
797/* codec hifi mclk (after PLL) clock divider coefficients */
798static const struct _coeff_div coeff_div[] = {
799 /* 8k */
800 {12288000, 8000, 0x6, 0x0},
801 {11289600, 8000, 0x16, 0x0},
802 {18432000, 8000, 0x7, 0x0},
803 {16934400, 8000, 0x17, 0x0},
804 {12000000, 8000, 0x6, 0x1},
805
806 /* 11.025k */
807 {11289600, 11025, 0x18, 0x0},
808 {16934400, 11025, 0x19, 0x0},
809 {12000000, 11025, 0x19, 0x1},
810
811 /* 16k */
812 {12288000, 16000, 0xa, 0x0},
813 {18432000, 16000, 0xb, 0x0},
814 {12000000, 16000, 0xa, 0x1},
815
816 /* 22.05k */
817 {11289600, 22050, 0x1a, 0x0},
818 {16934400, 22050, 0x1b, 0x0},
819 {12000000, 22050, 0x1b, 0x1},
820
821 /* 32k */
822 {12288000, 32000, 0xc, 0x0},
823 {18432000, 32000, 0xd, 0x0},
824 {12000000, 32000, 0xa, 0x1},
825
826 /* 44.1k */
827 {11289600, 44100, 0x10, 0x0},
828 {16934400, 44100, 0x11, 0x0},
829 {12000000, 44100, 0x11, 0x1},
830
831 /* 48k */
832 {12288000, 48000, 0x0, 0x0},
833 {18432000, 48000, 0x1, 0x0},
834 {12000000, 48000, 0x0, 0x1},
835
836 /* 88.2k */
837 {11289600, 88200, 0x1e, 0x0},
838 {16934400, 88200, 0x1f, 0x0},
839 {12000000, 88200, 0x1f, 0x1},
840
841 /* 96k */
842 {12288000, 96000, 0xe, 0x0},
843 {18432000, 96000, 0xf, 0x0},
844 {12000000, 96000, 0xe, 0x1},
845};
846
847static int get_coeff(int mclk, int rate)
848{
849 int i;
850
851 for (i = 0; i < ARRAY_SIZE(coeff_div); i++) {
852 if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk)
853 return i;
854 }
855 return -EINVAL;
856}
857
858/*
859 * Clock after PLL and dividers
860 */
861static int wm8753_set_dai_sysclk(struct snd_soc_dai *codec_dai,
862 int clk_id, unsigned int freq, int dir)
863{
864 struct snd_soc_component *component = codec_dai->component;
865 struct wm8753_priv *wm8753 = snd_soc_component_get_drvdata(component);
866
867 switch (freq) {
868 case 11289600:
869 case 12000000:
870 case 12288000:
871 case 16934400:
872 case 18432000:
873 if (clk_id == WM8753_MCLK) {
874 wm8753->sysclk = freq;
875 return 0;
876 } else if (clk_id == WM8753_PCMCLK) {
877 wm8753->pcmclk = freq;
878 return 0;
879 }
880 break;
881 }
882 return -EINVAL;
883}
884
885/*
886 * Set's ADC and Voice DAC format.
887 */
888static int wm8753_vdac_adc_set_dai_fmt(struct snd_soc_component *component,
889 unsigned int fmt)
890{
891 u16 voice = snd_soc_component_read(component, WM8753_PCM) & 0x01ec;
892
893 /* interface format */
894 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
895 case SND_SOC_DAIFMT_I2S:
896 voice |= 0x0002;
897 break;
898 case SND_SOC_DAIFMT_RIGHT_J:
899 break;
900 case SND_SOC_DAIFMT_LEFT_J:
901 voice |= 0x0001;
902 break;
903 case SND_SOC_DAIFMT_DSP_A:
904 voice |= 0x0003;
905 break;
906 case SND_SOC_DAIFMT_DSP_B:
907 voice |= 0x0013;
908 break;
909 default:
910 return -EINVAL;
911 }
912
913 snd_soc_component_write(component, WM8753_PCM, voice);
914 return 0;
915}
916
917/*
918 * Set PCM DAI bit size and sample rate.
919 */
920static int wm8753_pcm_hw_params(struct snd_pcm_substream *substream,
921 struct snd_pcm_hw_params *params,
922 struct snd_soc_dai *dai)
923{
924 struct snd_soc_component *component = dai->component;
925 struct wm8753_priv *wm8753 = snd_soc_component_get_drvdata(component);
926 u16 voice = snd_soc_component_read(component, WM8753_PCM) & 0x01f3;
927 u16 srate = snd_soc_component_read(component, WM8753_SRATE1) & 0x017f;
928
929 /* bit size */
930 switch (params_width(params)) {
931 case 16:
932 break;
933 case 20:
934 voice |= 0x0004;
935 break;
936 case 24:
937 voice |= 0x0008;
938 break;
939 case 32:
940 voice |= 0x000c;
941 break;
942 }
943
944 /* sample rate */
945 if (params_rate(params) * 384 == wm8753->pcmclk)
946 srate |= 0x80;
947 snd_soc_component_write(component, WM8753_SRATE1, srate);
948
949 snd_soc_component_write(component, WM8753_PCM, voice);
950 return 0;
951}
952
953/*
954 * Set's PCM dai fmt and BCLK.
955 */
956static int wm8753_pcm_set_dai_fmt(struct snd_soc_component *component,
957 unsigned int fmt)
958{
959 u16 voice, ioctl;
960
961 voice = snd_soc_component_read(component, WM8753_PCM) & 0x011f;
962 ioctl = snd_soc_component_read(component, WM8753_IOCTL) & 0x015d;
963
964 /* set master/slave audio interface */
965 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
966 case SND_SOC_DAIFMT_CBS_CFS:
967 break;
968 case SND_SOC_DAIFMT_CBM_CFM:
969 ioctl |= 0x2;
970 fallthrough;
971 case SND_SOC_DAIFMT_CBM_CFS:
972 voice |= 0x0040;
973 break;
974 default:
975 return -EINVAL;
976 }
977
978 /* clock inversion */
979 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
980 case SND_SOC_DAIFMT_DSP_A:
981 case SND_SOC_DAIFMT_DSP_B:
982 /* frame inversion not valid for DSP modes */
983 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
984 case SND_SOC_DAIFMT_NB_NF:
985 break;
986 case SND_SOC_DAIFMT_IB_NF:
987 voice |= 0x0080;
988 break;
989 default:
990 return -EINVAL;
991 }
992 break;
993 case SND_SOC_DAIFMT_I2S:
994 case SND_SOC_DAIFMT_RIGHT_J:
995 case SND_SOC_DAIFMT_LEFT_J:
996 voice &= ~0x0010;
997 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
998 case SND_SOC_DAIFMT_NB_NF:
999 break;
1000 case SND_SOC_DAIFMT_IB_IF:
1001 voice |= 0x0090;
1002 break;
1003 case SND_SOC_DAIFMT_IB_NF:
1004 voice |= 0x0080;
1005 break;
1006 case SND_SOC_DAIFMT_NB_IF:
1007 voice |= 0x0010;
1008 break;
1009 default:
1010 return -EINVAL;
1011 }
1012 break;
1013 default:
1014 return -EINVAL;
1015 }
1016
1017 snd_soc_component_write(component, WM8753_PCM, voice);
1018 snd_soc_component_write(component, WM8753_IOCTL, ioctl);
1019 return 0;
1020}
1021
1022static int wm8753_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
1023 int div_id, int div)
1024{
1025 struct snd_soc_component *component = codec_dai->component;
1026 u16 reg;
1027
1028 switch (div_id) {
1029 case WM8753_PCMDIV:
1030 reg = snd_soc_component_read(component, WM8753_CLOCK) & 0x003f;
1031 snd_soc_component_write(component, WM8753_CLOCK, reg | div);
1032 break;
1033 case WM8753_BCLKDIV:
1034 reg = snd_soc_component_read(component, WM8753_SRATE2) & 0x01c7;
1035 snd_soc_component_write(component, WM8753_SRATE2, reg | div);
1036 break;
1037 case WM8753_VXCLKDIV:
1038 reg = snd_soc_component_read(component, WM8753_SRATE2) & 0x003f;
1039 snd_soc_component_write(component, WM8753_SRATE2, reg | div);
1040 break;
1041 default:
1042 return -EINVAL;
1043 }
1044 return 0;
1045}
1046
1047/*
1048 * Set's HiFi DAC format.
1049 */
1050static int wm8753_hdac_set_dai_fmt(struct snd_soc_component *component,
1051 unsigned int fmt)
1052{
1053 u16 hifi = snd_soc_component_read(component, WM8753_HIFI) & 0x01e0;
1054
1055 /* interface format */
1056 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1057 case SND_SOC_DAIFMT_I2S:
1058 hifi |= 0x0002;
1059 break;
1060 case SND_SOC_DAIFMT_RIGHT_J:
1061 break;
1062 case SND_SOC_DAIFMT_LEFT_J:
1063 hifi |= 0x0001;
1064 break;
1065 case SND_SOC_DAIFMT_DSP_A:
1066 hifi |= 0x0003;
1067 break;
1068 case SND_SOC_DAIFMT_DSP_B:
1069 hifi |= 0x0013;
1070 break;
1071 default:
1072 return -EINVAL;
1073 }
1074
1075 snd_soc_component_write(component, WM8753_HIFI, hifi);
1076 return 0;
1077}
1078
1079/*
1080 * Set's I2S DAI format.
1081 */
1082static int wm8753_i2s_set_dai_fmt(struct snd_soc_component *component,
1083 unsigned int fmt)
1084{
1085 u16 ioctl, hifi;
1086
1087 hifi = snd_soc_component_read(component, WM8753_HIFI) & 0x013f;
1088 ioctl = snd_soc_component_read(component, WM8753_IOCTL) & 0x00ae;
1089
1090 /* set master/slave audio interface */
1091 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1092 case SND_SOC_DAIFMT_CBS_CFS:
1093 break;
1094 case SND_SOC_DAIFMT_CBM_CFM:
1095 ioctl |= 0x1;
1096 fallthrough;
1097 case SND_SOC_DAIFMT_CBM_CFS:
1098 hifi |= 0x0040;
1099 break;
1100 default:
1101 return -EINVAL;
1102 }
1103
1104 /* clock inversion */
1105 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1106 case SND_SOC_DAIFMT_DSP_A:
1107 case SND_SOC_DAIFMT_DSP_B:
1108 /* frame inversion not valid for DSP modes */
1109 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1110 case SND_SOC_DAIFMT_NB_NF:
1111 break;
1112 case SND_SOC_DAIFMT_IB_NF:
1113 hifi |= 0x0080;
1114 break;
1115 default:
1116 return -EINVAL;
1117 }
1118 break;
1119 case SND_SOC_DAIFMT_I2S:
1120 case SND_SOC_DAIFMT_RIGHT_J:
1121 case SND_SOC_DAIFMT_LEFT_J:
1122 hifi &= ~0x0010;
1123 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1124 case SND_SOC_DAIFMT_NB_NF:
1125 break;
1126 case SND_SOC_DAIFMT_IB_IF:
1127 hifi |= 0x0090;
1128 break;
1129 case SND_SOC_DAIFMT_IB_NF:
1130 hifi |= 0x0080;
1131 break;
1132 case SND_SOC_DAIFMT_NB_IF:
1133 hifi |= 0x0010;
1134 break;
1135 default:
1136 return -EINVAL;
1137 }
1138 break;
1139 default:
1140 return -EINVAL;
1141 }
1142
1143 snd_soc_component_write(component, WM8753_HIFI, hifi);
1144 snd_soc_component_write(component, WM8753_IOCTL, ioctl);
1145 return 0;
1146}
1147
1148/*
1149 * Set PCM DAI bit size and sample rate.
1150 */
1151static int wm8753_i2s_hw_params(struct snd_pcm_substream *substream,
1152 struct snd_pcm_hw_params *params,
1153 struct snd_soc_dai *dai)
1154{
1155 struct snd_soc_component *component = dai->component;
1156 struct wm8753_priv *wm8753 = snd_soc_component_get_drvdata(component);
1157 u16 srate = snd_soc_component_read(component, WM8753_SRATE1) & 0x01c0;
1158 u16 hifi = snd_soc_component_read(component, WM8753_HIFI) & 0x01f3;
1159 int coeff;
1160
1161 /* is digital filter coefficient valid ? */
1162 coeff = get_coeff(wm8753->sysclk, params_rate(params));
1163 if (coeff < 0) {
1164 printk(KERN_ERR "wm8753 invalid MCLK or rate\n");
1165 return coeff;
1166 }
1167 snd_soc_component_write(component, WM8753_SRATE1, srate | (coeff_div[coeff].sr << 1) |
1168 coeff_div[coeff].usb);
1169
1170 /* bit size */
1171 switch (params_width(params)) {
1172 case 16:
1173 break;
1174 case 20:
1175 hifi |= 0x0004;
1176 break;
1177 case 24:
1178 hifi |= 0x0008;
1179 break;
1180 case 32:
1181 hifi |= 0x000c;
1182 break;
1183 }
1184
1185 snd_soc_component_write(component, WM8753_HIFI, hifi);
1186 return 0;
1187}
1188
1189static int wm8753_mode1v_set_dai_fmt(struct snd_soc_component *component,
1190 unsigned int fmt)
1191{
1192 u16 clock;
1193
1194 /* set clk source as pcmclk */
1195 clock = snd_soc_component_read(component, WM8753_CLOCK) & 0xfffb;
1196 snd_soc_component_write(component, WM8753_CLOCK, clock);
1197
1198 return wm8753_vdac_adc_set_dai_fmt(component, fmt);
1199}
1200
1201static int wm8753_mode1h_set_dai_fmt(struct snd_soc_component *component,
1202 unsigned int fmt)
1203{
1204 return wm8753_hdac_set_dai_fmt(component, fmt);
1205}
1206
1207static int wm8753_mode2_set_dai_fmt(struct snd_soc_component *component,
1208 unsigned int fmt)
1209{
1210 u16 clock;
1211
1212 /* set clk source as pcmclk */
1213 clock = snd_soc_component_read(component, WM8753_CLOCK) & 0xfffb;
1214 snd_soc_component_write(component, WM8753_CLOCK, clock);
1215
1216 return wm8753_vdac_adc_set_dai_fmt(component, fmt);
1217}
1218
1219static int wm8753_mode3_4_set_dai_fmt(struct snd_soc_component *component,
1220 unsigned int fmt)
1221{
1222 u16 clock;
1223
1224 /* set clk source as mclk */
1225 clock = snd_soc_component_read(component, WM8753_CLOCK) & 0xfffb;
1226 snd_soc_component_write(component, WM8753_CLOCK, clock | 0x4);
1227
1228 if (wm8753_hdac_set_dai_fmt(component, fmt) < 0)
1229 return -EINVAL;
1230 return wm8753_vdac_adc_set_dai_fmt(component, fmt);
1231}
1232
1233static int wm8753_hifi_write_dai_fmt(struct snd_soc_component *component,
1234 unsigned int fmt)
1235{
1236 struct wm8753_priv *wm8753 = snd_soc_component_get_drvdata(component);
1237 int ret = 0;
1238
1239 switch (wm8753->dai_func) {
1240 case 0:
1241 ret = wm8753_mode1h_set_dai_fmt(component, fmt);
1242 break;
1243 case 1:
1244 ret = wm8753_mode2_set_dai_fmt(component, fmt);
1245 break;
1246 case 2:
1247 case 3:
1248 ret = wm8753_mode3_4_set_dai_fmt(component, fmt);
1249 break;
1250 default:
1251 break;
1252 }
1253 if (ret)
1254 return ret;
1255
1256 return wm8753_i2s_set_dai_fmt(component, fmt);
1257}
1258
1259static int wm8753_hifi_set_dai_fmt(struct snd_soc_dai *codec_dai,
1260 unsigned int fmt)
1261{
1262 struct snd_soc_component *component = codec_dai->component;
1263 struct wm8753_priv *wm8753 = snd_soc_component_get_drvdata(component);
1264
1265 wm8753->hifi_fmt = fmt;
1266
1267 return wm8753_hifi_write_dai_fmt(component, fmt);
1268};
1269
1270static int wm8753_voice_write_dai_fmt(struct snd_soc_component *component,
1271 unsigned int fmt)
1272{
1273 struct wm8753_priv *wm8753 = snd_soc_component_get_drvdata(component);
1274 int ret = 0;
1275
1276 if (wm8753->dai_func != 0)
1277 return 0;
1278
1279 ret = wm8753_mode1v_set_dai_fmt(component, fmt);
1280 if (ret)
1281 return ret;
1282 ret = wm8753_pcm_set_dai_fmt(component, fmt);
1283 if (ret)
1284 return ret;
1285
1286 return 0;
1287};
1288
1289static int wm8753_voice_set_dai_fmt(struct snd_soc_dai *codec_dai,
1290 unsigned int fmt)
1291{
1292 struct snd_soc_component *component = codec_dai->component;
1293 struct wm8753_priv *wm8753 = snd_soc_component_get_drvdata(component);
1294
1295 wm8753->voice_fmt = fmt;
1296
1297 return wm8753_voice_write_dai_fmt(component, fmt);
1298};
1299
1300static int wm8753_mute(struct snd_soc_dai *dai, int mute, int direction)
1301{
1302 struct snd_soc_component *component = dai->component;
1303 u16 mute_reg = snd_soc_component_read(component, WM8753_DAC) & 0xfff7;
1304 struct wm8753_priv *wm8753 = snd_soc_component_get_drvdata(component);
1305
1306 /* the digital mute covers the HiFi and Voice DAC's on the WM8753.
1307 * make sure we check if they are not both active when we mute */
1308 if (mute && wm8753->dai_func == 1) {
1309 if (!snd_soc_component_active(component))
1310 snd_soc_component_write(component, WM8753_DAC, mute_reg | 0x8);
1311 } else {
1312 if (mute)
1313 snd_soc_component_write(component, WM8753_DAC, mute_reg | 0x8);
1314 else
1315 snd_soc_component_write(component, WM8753_DAC, mute_reg);
1316 }
1317
1318 return 0;
1319}
1320
1321static void wm8753_charge_work(struct work_struct *work)
1322{
1323 struct wm8753_priv *wm8753 =
1324 container_of(work, struct wm8753_priv, charge_work.work);
1325
1326 /* Set to 500k */
1327 regmap_update_bits(wm8753->regmap, WM8753_PWR1, 0x0180, 0x0100);
1328}
1329
1330static int wm8753_set_bias_level(struct snd_soc_component *component,
1331 enum snd_soc_bias_level level)
1332{
1333 struct wm8753_priv *wm8753 = snd_soc_component_get_drvdata(component);
1334 u16 pwr_reg = snd_soc_component_read(component, WM8753_PWR1) & 0xfe3e;
1335
1336 switch (level) {
1337 case SND_SOC_BIAS_ON:
1338 /* set vmid to 50k and unmute dac */
1339 snd_soc_component_write(component, WM8753_PWR1, pwr_reg | 0x00c0);
1340 break;
1341 case SND_SOC_BIAS_PREPARE:
1342 /* Wait until fully charged */
1343 flush_delayed_work(&wm8753->charge_work);
1344 break;
1345 case SND_SOC_BIAS_STANDBY:
1346 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1347 /* set vmid to 5k for quick power up */
1348 snd_soc_component_write(component, WM8753_PWR1, pwr_reg | 0x01c1);
1349 schedule_delayed_work(&wm8753->charge_work,
1350 msecs_to_jiffies(caps_charge));
1351 } else {
1352 /* mute dac and set vmid to 500k, enable VREF */
1353 snd_soc_component_write(component, WM8753_PWR1, pwr_reg | 0x0141);
1354 }
1355 break;
1356 case SND_SOC_BIAS_OFF:
1357 cancel_delayed_work_sync(&wm8753->charge_work);
1358 snd_soc_component_write(component, WM8753_PWR1, 0x0001);
1359 break;
1360 }
1361 return 0;
1362}
1363
1364#define WM8753_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
1365 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
1366 SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
1367 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
1368
1369#define WM8753_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1370 SNDRV_PCM_FMTBIT_S24_LE)
1371
1372/*
1373 * The WM8753 supports up to 4 different and mutually exclusive DAI
1374 * configurations. This gives 2 PCM's available for use, hifi and voice.
1375 * NOTE: The Voice PCM cannot play or capture audio to the CPU as it's DAI
1376 * is connected between the wm8753 and a BT codec or GSM modem.
1377 *
1378 * 1. Voice over PCM DAI - HIFI DAC over HIFI DAI
1379 * 2. Voice over HIFI DAI - HIFI disabled
1380 * 3. Voice disabled - HIFI over HIFI
1381 * 4. Voice disabled - HIFI over HIFI, uses voice DAI LRC for capture
1382 */
1383static const struct snd_soc_dai_ops wm8753_dai_ops_hifi_mode = {
1384 .hw_params = wm8753_i2s_hw_params,
1385 .mute_stream = wm8753_mute,
1386 .set_fmt = wm8753_hifi_set_dai_fmt,
1387 .set_clkdiv = wm8753_set_dai_clkdiv,
1388 .set_pll = wm8753_set_dai_pll,
1389 .set_sysclk = wm8753_set_dai_sysclk,
1390 .no_capture_mute = 1,
1391};
1392
1393static const struct snd_soc_dai_ops wm8753_dai_ops_voice_mode = {
1394 .hw_params = wm8753_pcm_hw_params,
1395 .mute_stream = wm8753_mute,
1396 .set_fmt = wm8753_voice_set_dai_fmt,
1397 .set_clkdiv = wm8753_set_dai_clkdiv,
1398 .set_pll = wm8753_set_dai_pll,
1399 .set_sysclk = wm8753_set_dai_sysclk,
1400 .no_capture_mute = 1,
1401};
1402
1403static struct snd_soc_dai_driver wm8753_dai[] = {
1404/* DAI HiFi mode 1 */
1405{ .name = "wm8753-hifi",
1406 .playback = {
1407 .stream_name = "HiFi Playback",
1408 .channels_min = 1,
1409 .channels_max = 2,
1410 .rates = WM8753_RATES,
1411 .formats = WM8753_FORMATS
1412 },
1413 .capture = { /* dummy for fast DAI switching */
1414 .stream_name = "Capture",
1415 .channels_min = 1,
1416 .channels_max = 2,
1417 .rates = WM8753_RATES,
1418 .formats = WM8753_FORMATS
1419 },
1420 .ops = &wm8753_dai_ops_hifi_mode,
1421},
1422/* DAI Voice mode 1 */
1423{ .name = "wm8753-voice",
1424 .playback = {
1425 .stream_name = "Voice Playback",
1426 .channels_min = 1,
1427 .channels_max = 1,
1428 .rates = WM8753_RATES,
1429 .formats = WM8753_FORMATS,
1430 },
1431 .capture = {
1432 .stream_name = "Capture",
1433 .channels_min = 1,
1434 .channels_max = 2,
1435 .rates = WM8753_RATES,
1436 .formats = WM8753_FORMATS,
1437 },
1438 .ops = &wm8753_dai_ops_voice_mode,
1439},
1440};
1441
1442static int wm8753_resume(struct snd_soc_component *component)
1443{
1444 struct wm8753_priv *wm8753 = snd_soc_component_get_drvdata(component);
1445
1446 regcache_sync(wm8753->regmap);
1447
1448 return 0;
1449}
1450
1451static int wm8753_probe(struct snd_soc_component *component)
1452{
1453 struct wm8753_priv *wm8753 = snd_soc_component_get_drvdata(component);
1454 int ret;
1455
1456 INIT_DELAYED_WORK(&wm8753->charge_work, wm8753_charge_work);
1457
1458 ret = wm8753_reset(component);
1459 if (ret < 0) {
1460 dev_err(component->dev, "Failed to issue reset: %d\n", ret);
1461 return ret;
1462 }
1463
1464 wm8753->dai_func = 0;
1465
1466 /* set the update bits */
1467 snd_soc_component_update_bits(component, WM8753_LDAC, 0x0100, 0x0100);
1468 snd_soc_component_update_bits(component, WM8753_RDAC, 0x0100, 0x0100);
1469 snd_soc_component_update_bits(component, WM8753_LADC, 0x0100, 0x0100);
1470 snd_soc_component_update_bits(component, WM8753_RADC, 0x0100, 0x0100);
1471 snd_soc_component_update_bits(component, WM8753_LOUT1V, 0x0100, 0x0100);
1472 snd_soc_component_update_bits(component, WM8753_ROUT1V, 0x0100, 0x0100);
1473 snd_soc_component_update_bits(component, WM8753_LOUT2V, 0x0100, 0x0100);
1474 snd_soc_component_update_bits(component, WM8753_ROUT2V, 0x0100, 0x0100);
1475 snd_soc_component_update_bits(component, WM8753_LINVOL, 0x0100, 0x0100);
1476 snd_soc_component_update_bits(component, WM8753_RINVOL, 0x0100, 0x0100);
1477
1478 return 0;
1479}
1480
1481static const struct snd_soc_component_driver soc_component_dev_wm8753 = {
1482 .probe = wm8753_probe,
1483 .resume = wm8753_resume,
1484 .set_bias_level = wm8753_set_bias_level,
1485 .controls = wm8753_snd_controls,
1486 .num_controls = ARRAY_SIZE(wm8753_snd_controls),
1487 .dapm_widgets = wm8753_dapm_widgets,
1488 .num_dapm_widgets = ARRAY_SIZE(wm8753_dapm_widgets),
1489 .dapm_routes = wm8753_dapm_routes,
1490 .num_dapm_routes = ARRAY_SIZE(wm8753_dapm_routes),
1491 .suspend_bias_off = 1,
1492 .idle_bias_on = 1,
1493 .use_pmdown_time = 1,
1494 .endianness = 1,
1495};
1496
1497static const struct of_device_id wm8753_of_match[] = {
1498 { .compatible = "wlf,wm8753", },
1499 { }
1500};
1501MODULE_DEVICE_TABLE(of, wm8753_of_match);
1502
1503static const struct regmap_config wm8753_regmap = {
1504 .reg_bits = 7,
1505 .val_bits = 9,
1506
1507 .max_register = WM8753_ADCTL2,
1508 .volatile_reg = wm8753_volatile,
1509
1510 .cache_type = REGCACHE_MAPLE,
1511 .reg_defaults = wm8753_reg_defaults,
1512 .num_reg_defaults = ARRAY_SIZE(wm8753_reg_defaults),
1513};
1514
1515#if defined(CONFIG_SPI_MASTER)
1516static int wm8753_spi_probe(struct spi_device *spi)
1517{
1518 struct wm8753_priv *wm8753;
1519 int ret;
1520
1521 wm8753 = devm_kzalloc(&spi->dev, sizeof(struct wm8753_priv),
1522 GFP_KERNEL);
1523 if (wm8753 == NULL)
1524 return -ENOMEM;
1525
1526 spi_set_drvdata(spi, wm8753);
1527
1528 wm8753->regmap = devm_regmap_init_spi(spi, &wm8753_regmap);
1529 if (IS_ERR(wm8753->regmap)) {
1530 ret = PTR_ERR(wm8753->regmap);
1531 dev_err(&spi->dev, "Failed to allocate register map: %d\n",
1532 ret);
1533 return ret;
1534 }
1535
1536 ret = devm_snd_soc_register_component(&spi->dev, &soc_component_dev_wm8753,
1537 wm8753_dai, ARRAY_SIZE(wm8753_dai));
1538 if (ret != 0)
1539 dev_err(&spi->dev, "Failed to register CODEC: %d\n", ret);
1540
1541 return ret;
1542}
1543
1544static struct spi_driver wm8753_spi_driver = {
1545 .driver = {
1546 .name = "wm8753",
1547 .of_match_table = wm8753_of_match,
1548 },
1549 .probe = wm8753_spi_probe,
1550};
1551#endif /* CONFIG_SPI_MASTER */
1552
1553#if IS_ENABLED(CONFIG_I2C)
1554static int wm8753_i2c_probe(struct i2c_client *i2c)
1555{
1556 struct wm8753_priv *wm8753;
1557 int ret;
1558
1559 wm8753 = devm_kzalloc(&i2c->dev, sizeof(struct wm8753_priv),
1560 GFP_KERNEL);
1561 if (wm8753 == NULL)
1562 return -ENOMEM;
1563
1564 i2c_set_clientdata(i2c, wm8753);
1565
1566 wm8753->regmap = devm_regmap_init_i2c(i2c, &wm8753_regmap);
1567 if (IS_ERR(wm8753->regmap)) {
1568 ret = PTR_ERR(wm8753->regmap);
1569 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1570 ret);
1571 return ret;
1572 }
1573
1574 ret = devm_snd_soc_register_component(&i2c->dev, &soc_component_dev_wm8753,
1575 wm8753_dai, ARRAY_SIZE(wm8753_dai));
1576 if (ret != 0)
1577 dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret);
1578
1579 return ret;
1580}
1581
1582static const struct i2c_device_id wm8753_i2c_id[] = {
1583 { "wm8753" },
1584 { }
1585};
1586MODULE_DEVICE_TABLE(i2c, wm8753_i2c_id);
1587
1588static struct i2c_driver wm8753_i2c_driver = {
1589 .driver = {
1590 .name = "wm8753",
1591 .of_match_table = wm8753_of_match,
1592 },
1593 .probe = wm8753_i2c_probe,
1594 .id_table = wm8753_i2c_id,
1595};
1596#endif
1597
1598static int __init wm8753_modinit(void)
1599{
1600 int ret = 0;
1601#if IS_ENABLED(CONFIG_I2C)
1602 ret = i2c_add_driver(&wm8753_i2c_driver);
1603 if (ret != 0) {
1604 printk(KERN_ERR "Failed to register wm8753 I2C driver: %d\n",
1605 ret);
1606 }
1607#endif
1608#if defined(CONFIG_SPI_MASTER)
1609 ret = spi_register_driver(&wm8753_spi_driver);
1610 if (ret != 0) {
1611 printk(KERN_ERR "Failed to register wm8753 SPI driver: %d\n",
1612 ret);
1613 }
1614#endif
1615 return ret;
1616}
1617module_init(wm8753_modinit);
1618
1619static void __exit wm8753_exit(void)
1620{
1621#if IS_ENABLED(CONFIG_I2C)
1622 i2c_del_driver(&wm8753_i2c_driver);
1623#endif
1624#if defined(CONFIG_SPI_MASTER)
1625 spi_unregister_driver(&wm8753_spi_driver);
1626#endif
1627}
1628module_exit(wm8753_exit);
1629
1630MODULE_DESCRIPTION("ASoC WM8753 driver");
1631MODULE_AUTHOR("Liam Girdwood");
1632MODULE_LICENSE("GPL");
1/*
2 * wm8753.c -- WM8753 ALSA Soc Audio driver
3 *
4 * Copyright 2003 Wolfson Microelectronics PLC.
5 * Author: Liam Girdwood <lrg@slimlogic.co.uk>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2 of the License, or (at your
10 * option) any later version.
11 *
12 * Notes:
13 * The WM8753 is a low power, high quality stereo codec with integrated PCM
14 * codec designed for portable digital telephony applications.
15 *
16 * Dual DAI:-
17 *
18 * This driver support 2 DAI PCM's. This makes the default PCM available for
19 * HiFi audio (e.g. MP3, ogg) playback/capture and the other PCM available for
20 * voice.
21 *
22 * Please note that the voice PCM can be connected directly to a Bluetooth
23 * codec or GSM modem and thus cannot be read or written to, although it is
24 * available to be configured with snd_hw_params(), etc and kcontrols in the
25 * normal alsa manner.
26 *
27 * Fast DAI switching:-
28 *
29 * The driver can now fast switch between the DAI configurations via a
30 * an alsa kcontrol. This allows the PCM to remain open.
31 *
32 */
33
34#include <linux/module.h>
35#include <linux/moduleparam.h>
36#include <linux/kernel.h>
37#include <linux/init.h>
38#include <linux/delay.h>
39#include <linux/pm.h>
40#include <linux/i2c.h>
41#include <linux/platform_device.h>
42#include <linux/spi/spi.h>
43#include <linux/slab.h>
44#include <sound/core.h>
45#include <sound/pcm.h>
46#include <sound/pcm_params.h>
47#include <sound/soc.h>
48#include <sound/initval.h>
49#include <sound/tlv.h>
50#include <asm/div64.h>
51
52#include "wm8753.h"
53
54static int caps_charge = 2000;
55module_param(caps_charge, int, 0);
56MODULE_PARM_DESC(caps_charge, "WM8753 cap charge time (msecs)");
57
58static int wm8753_hifi_write_dai_fmt(struct snd_soc_codec *codec,
59 unsigned int fmt);
60static int wm8753_voice_write_dai_fmt(struct snd_soc_codec *codec,
61 unsigned int fmt);
62
63/*
64 * wm8753 register cache
65 * We can't read the WM8753 register space when we
66 * are using 2 wire for device control, so we cache them instead.
67 */
68static const u16 wm8753_reg[] = {
69 0x0000, 0x0008, 0x0000, 0x000a,
70 0x000a, 0x0033, 0x0000, 0x0007,
71 0x00ff, 0x00ff, 0x000f, 0x000f,
72 0x007b, 0x0000, 0x0032, 0x0000,
73 0x00c3, 0x00c3, 0x00c0, 0x0000,
74 0x0000, 0x0000, 0x0000, 0x0000,
75 0x0000, 0x0000, 0x0000, 0x0000,
76 0x0000, 0x0000, 0x0000, 0x0000,
77 0x0055, 0x0005, 0x0050, 0x0055,
78 0x0050, 0x0055, 0x0050, 0x0055,
79 0x0079, 0x0079, 0x0079, 0x0079,
80 0x0079, 0x0000, 0x0000, 0x0000,
81 0x0000, 0x0097, 0x0097, 0x0000,
82 0x0004, 0x0000, 0x0083, 0x0024,
83 0x01ba, 0x0000, 0x0083, 0x0024,
84 0x01ba, 0x0000, 0x0000, 0x0000
85};
86
87/* codec private data */
88struct wm8753_priv {
89 enum snd_soc_control_type control_type;
90 unsigned int sysclk;
91 unsigned int pcmclk;
92
93 unsigned int voice_fmt;
94 unsigned int hifi_fmt;
95
96 int dai_func;
97};
98
99#define wm8753_reset(c) snd_soc_write(c, WM8753_RESET, 0)
100
101/*
102 * WM8753 Controls
103 */
104static const char *wm8753_base[] = {"Linear Control", "Adaptive Boost"};
105static const char *wm8753_base_filter[] =
106 {"130Hz @ 48kHz", "200Hz @ 48kHz", "100Hz @ 16kHz", "400Hz @ 48kHz",
107 "100Hz @ 8kHz", "200Hz @ 8kHz"};
108static const char *wm8753_treble[] = {"8kHz", "4kHz"};
109static const char *wm8753_alc_func[] = {"Off", "Right", "Left", "Stereo"};
110static const char *wm8753_ng_type[] = {"Constant PGA Gain", "Mute ADC Output"};
111static const char *wm8753_3d_func[] = {"Capture", "Playback"};
112static const char *wm8753_3d_uc[] = {"2.2kHz", "1.5kHz"};
113static const char *wm8753_3d_lc[] = {"200Hz", "500Hz"};
114static const char *wm8753_deemp[] = {"None", "32kHz", "44.1kHz", "48kHz"};
115static const char *wm8753_mono_mix[] = {"Stereo", "Left", "Right", "Mono"};
116static const char *wm8753_dac_phase[] = {"Non Inverted", "Inverted"};
117static const char *wm8753_line_mix[] = {"Line 1 + 2", "Line 1 - 2",
118 "Line 1", "Line 2"};
119static const char *wm8753_mono_mux[] = {"Line Mix", "Rx Mix"};
120static const char *wm8753_right_mux[] = {"Line 2", "Rx Mix"};
121static const char *wm8753_left_mux[] = {"Line 1", "Rx Mix"};
122static const char *wm8753_rxmsel[] = {"RXP - RXN", "RXP + RXN", "RXP", "RXN"};
123static const char *wm8753_sidetone_mux[] = {"Left PGA", "Mic 1", "Mic 2",
124 "Right PGA"};
125static const char *wm8753_mono2_src[] = {"Inverted Mono 1", "Left", "Right",
126 "Left + Right"};
127static const char *wm8753_out3[] = {"VREF", "ROUT2", "Left + Right"};
128static const char *wm8753_out4[] = {"VREF", "Capture ST", "LOUT2"};
129static const char *wm8753_radcsel[] = {"PGA", "Line or RXP-RXN", "Sidetone"};
130static const char *wm8753_ladcsel[] = {"PGA", "Line or RXP-RXN", "Line"};
131static const char *wm8753_mono_adc[] = {"Stereo", "Analogue Mix Left",
132 "Analogue Mix Right", "Digital Mono Mix"};
133static const char *wm8753_adc_hp[] = {"3.4Hz @ 48kHz", "82Hz @ 16k",
134 "82Hz @ 8kHz", "170Hz @ 8kHz"};
135static const char *wm8753_adc_filter[] = {"HiFi", "Voice"};
136static const char *wm8753_mic_sel[] = {"Mic 1", "Mic 2", "Mic 3"};
137static const char *wm8753_dai_mode[] = {"DAI 0", "DAI 1", "DAI 2", "DAI 3"};
138static const char *wm8753_dat_sel[] = {"Stereo", "Left ADC", "Right ADC",
139 "Channel Swap"};
140static const char *wm8753_rout2_phase[] = {"Non Inverted", "Inverted"};
141
142static const struct soc_enum wm8753_enum[] = {
143SOC_ENUM_SINGLE(WM8753_BASS, 7, 2, wm8753_base),
144SOC_ENUM_SINGLE(WM8753_BASS, 4, 6, wm8753_base_filter),
145SOC_ENUM_SINGLE(WM8753_TREBLE, 6, 2, wm8753_treble),
146SOC_ENUM_SINGLE(WM8753_ALC1, 7, 4, wm8753_alc_func),
147SOC_ENUM_SINGLE(WM8753_NGATE, 1, 2, wm8753_ng_type),
148SOC_ENUM_SINGLE(WM8753_3D, 7, 2, wm8753_3d_func),
149SOC_ENUM_SINGLE(WM8753_3D, 6, 2, wm8753_3d_uc),
150SOC_ENUM_SINGLE(WM8753_3D, 5, 2, wm8753_3d_lc),
151SOC_ENUM_SINGLE(WM8753_DAC, 1, 4, wm8753_deemp),
152SOC_ENUM_SINGLE(WM8753_DAC, 4, 4, wm8753_mono_mix),
153SOC_ENUM_SINGLE(WM8753_DAC, 6, 2, wm8753_dac_phase),
154SOC_ENUM_SINGLE(WM8753_INCTL1, 3, 4, wm8753_line_mix),
155SOC_ENUM_SINGLE(WM8753_INCTL1, 2, 2, wm8753_mono_mux),
156SOC_ENUM_SINGLE(WM8753_INCTL1, 1, 2, wm8753_right_mux),
157SOC_ENUM_SINGLE(WM8753_INCTL1, 0, 2, wm8753_left_mux),
158SOC_ENUM_SINGLE(WM8753_INCTL2, 6, 4, wm8753_rxmsel),
159SOC_ENUM_SINGLE(WM8753_INCTL2, 4, 4, wm8753_sidetone_mux),
160SOC_ENUM_SINGLE(WM8753_OUTCTL, 7, 4, wm8753_mono2_src),
161SOC_ENUM_SINGLE(WM8753_OUTCTL, 0, 3, wm8753_out3),
162SOC_ENUM_SINGLE(WM8753_ADCTL2, 7, 3, wm8753_out4),
163SOC_ENUM_SINGLE(WM8753_ADCIN, 2, 3, wm8753_radcsel),
164SOC_ENUM_SINGLE(WM8753_ADCIN, 0, 3, wm8753_ladcsel),
165SOC_ENUM_SINGLE(WM8753_ADCIN, 4, 4, wm8753_mono_adc),
166SOC_ENUM_SINGLE(WM8753_ADC, 2, 4, wm8753_adc_hp),
167SOC_ENUM_SINGLE(WM8753_ADC, 4, 2, wm8753_adc_filter),
168SOC_ENUM_SINGLE(WM8753_MICBIAS, 6, 3, wm8753_mic_sel),
169SOC_ENUM_SINGLE(WM8753_IOCTL, 2, 4, wm8753_dai_mode),
170SOC_ENUM_SINGLE(WM8753_ADC, 7, 4, wm8753_dat_sel),
171SOC_ENUM_SINGLE(WM8753_OUTCTL, 2, 2, wm8753_rout2_phase),
172};
173
174
175static int wm8753_get_dai(struct snd_kcontrol *kcontrol,
176 struct snd_ctl_elem_value *ucontrol)
177{
178 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
179 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
180
181 ucontrol->value.integer.value[0] = wm8753->dai_func;
182 return 0;
183}
184
185static int wm8753_set_dai(struct snd_kcontrol *kcontrol,
186 struct snd_ctl_elem_value *ucontrol)
187{
188 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
189 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
190 u16 ioctl;
191
192 if (codec->active)
193 return -EBUSY;
194
195 ioctl = snd_soc_read(codec, WM8753_IOCTL);
196
197 wm8753->dai_func = ucontrol->value.integer.value[0];
198
199 if (((ioctl >> 2) & 0x3) == wm8753->dai_func)
200 return 1;
201
202 ioctl = (ioctl & 0x1f3) | (wm8753->dai_func << 2);
203 snd_soc_write(codec, WM8753_IOCTL, ioctl);
204
205
206 wm8753_hifi_write_dai_fmt(codec, wm8753->hifi_fmt);
207 wm8753_voice_write_dai_fmt(codec, wm8753->voice_fmt);
208
209 return 1;
210}
211
212static const DECLARE_TLV_DB_SCALE(rec_mix_tlv, -1500, 300, 0);
213static const DECLARE_TLV_DB_SCALE(mic_preamp_tlv, 1200, 600, 0);
214static const DECLARE_TLV_DB_SCALE(adc_tlv, -9750, 50, 1);
215static const DECLARE_TLV_DB_SCALE(dac_tlv, -12750, 50, 1);
216static const unsigned int out_tlv[] = {
217 TLV_DB_RANGE_HEAD(2),
218 /* 0000000 - 0101111 = "Analogue mute" */
219 0, 48, TLV_DB_SCALE_ITEM(-25500, 0, 0),
220 48, 127, TLV_DB_SCALE_ITEM(-7300, 100, 0),
221};
222static const DECLARE_TLV_DB_SCALE(mix_tlv, -1500, 300, 0);
223static const DECLARE_TLV_DB_SCALE(voice_mix_tlv, -1200, 300, 0);
224static const DECLARE_TLV_DB_SCALE(pga_tlv, -1725, 75, 0);
225
226static const struct snd_kcontrol_new wm8753_snd_controls[] = {
227SOC_DOUBLE_R_TLV("PCM Volume", WM8753_LDAC, WM8753_RDAC, 0, 255, 0, dac_tlv),
228
229SOC_DOUBLE_R_TLV("ADC Capture Volume", WM8753_LADC, WM8753_RADC, 0, 255, 0,
230 adc_tlv),
231
232SOC_DOUBLE_R_TLV("Headphone Playback Volume", WM8753_LOUT1V, WM8753_ROUT1V,
233 0, 127, 0, out_tlv),
234SOC_DOUBLE_R_TLV("Speaker Playback Volume", WM8753_LOUT2V, WM8753_ROUT2V, 0,
235 127, 0, out_tlv),
236
237SOC_SINGLE_TLV("Mono Playback Volume", WM8753_MOUTV, 0, 127, 0, out_tlv),
238
239SOC_DOUBLE_R_TLV("Bypass Playback Volume", WM8753_LOUTM1, WM8753_ROUTM1, 4, 7,
240 1, mix_tlv),
241SOC_DOUBLE_R_TLV("Sidetone Playback Volume", WM8753_LOUTM2, WM8753_ROUTM2, 4,
242 7, 1, mix_tlv),
243SOC_DOUBLE_R_TLV("Voice Playback Volume", WM8753_LOUTM2, WM8753_ROUTM2, 0, 7,
244 1, voice_mix_tlv),
245
246SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8753_LOUT1V, WM8753_ROUT1V, 7,
247 1, 0),
248SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8753_LOUT2V, WM8753_ROUT2V, 7,
249 1, 0),
250
251SOC_SINGLE_TLV("Mono Bypass Playback Volume", WM8753_MOUTM1, 4, 7, 1, mix_tlv),
252SOC_SINGLE_TLV("Mono Sidetone Playback Volume", WM8753_MOUTM2, 4, 7, 1,
253 mix_tlv),
254SOC_SINGLE_TLV("Mono Voice Playback Volume", WM8753_MOUTM2, 0, 7, 1,
255 voice_mix_tlv),
256SOC_SINGLE("Mono Playback ZC Switch", WM8753_MOUTV, 7, 1, 0),
257
258SOC_ENUM("Bass Boost", wm8753_enum[0]),
259SOC_ENUM("Bass Filter", wm8753_enum[1]),
260SOC_SINGLE("Bass Volume", WM8753_BASS, 0, 15, 1),
261
262SOC_SINGLE("Treble Volume", WM8753_TREBLE, 0, 15, 1),
263SOC_ENUM("Treble Cut-off", wm8753_enum[2]),
264
265SOC_DOUBLE_TLV("Sidetone Capture Volume", WM8753_RECMIX1, 0, 4, 7, 1,
266 rec_mix_tlv),
267SOC_SINGLE_TLV("Voice Sidetone Capture Volume", WM8753_RECMIX2, 0, 7, 1,
268 rec_mix_tlv),
269
270SOC_DOUBLE_R_TLV("Capture Volume", WM8753_LINVOL, WM8753_RINVOL, 0, 63, 0,
271 pga_tlv),
272SOC_DOUBLE_R("Capture ZC Switch", WM8753_LINVOL, WM8753_RINVOL, 6, 1, 0),
273SOC_DOUBLE_R("Capture Switch", WM8753_LINVOL, WM8753_RINVOL, 7, 1, 1),
274
275SOC_ENUM("Capture Filter Select", wm8753_enum[23]),
276SOC_ENUM("Capture Filter Cut-off", wm8753_enum[24]),
277SOC_SINGLE("Capture Filter Switch", WM8753_ADC, 0, 1, 1),
278
279SOC_SINGLE("ALC Capture Target Volume", WM8753_ALC1, 0, 7, 0),
280SOC_SINGLE("ALC Capture Max Volume", WM8753_ALC1, 4, 7, 0),
281SOC_ENUM("ALC Capture Function", wm8753_enum[3]),
282SOC_SINGLE("ALC Capture ZC Switch", WM8753_ALC2, 8, 1, 0),
283SOC_SINGLE("ALC Capture Hold Time", WM8753_ALC2, 0, 15, 1),
284SOC_SINGLE("ALC Capture Decay Time", WM8753_ALC3, 4, 15, 1),
285SOC_SINGLE("ALC Capture Attack Time", WM8753_ALC3, 0, 15, 0),
286SOC_SINGLE("ALC Capture NG Threshold", WM8753_NGATE, 3, 31, 0),
287SOC_ENUM("ALC Capture NG Type", wm8753_enum[4]),
288SOC_SINGLE("ALC Capture NG Switch", WM8753_NGATE, 0, 1, 0),
289
290SOC_ENUM("3D Function", wm8753_enum[5]),
291SOC_ENUM("3D Upper Cut-off", wm8753_enum[6]),
292SOC_ENUM("3D Lower Cut-off", wm8753_enum[7]),
293SOC_SINGLE("3D Volume", WM8753_3D, 1, 15, 0),
294SOC_SINGLE("3D Switch", WM8753_3D, 0, 1, 0),
295
296SOC_SINGLE("Capture 6dB Attenuate", WM8753_ADCTL1, 2, 1, 0),
297SOC_SINGLE("Playback 6dB Attenuate", WM8753_ADCTL1, 1, 1, 0),
298
299SOC_ENUM("De-emphasis", wm8753_enum[8]),
300SOC_ENUM("Playback Mono Mix", wm8753_enum[9]),
301SOC_ENUM("Playback Phase", wm8753_enum[10]),
302
303SOC_SINGLE_TLV("Mic2 Capture Volume", WM8753_INCTL1, 7, 3, 0, mic_preamp_tlv),
304SOC_SINGLE_TLV("Mic1 Capture Volume", WM8753_INCTL1, 5, 3, 0, mic_preamp_tlv),
305
306SOC_ENUM_EXT("DAI Mode", wm8753_enum[26], wm8753_get_dai, wm8753_set_dai),
307
308SOC_ENUM("ADC Data Select", wm8753_enum[27]),
309SOC_ENUM("ROUT2 Phase", wm8753_enum[28]),
310};
311
312/*
313 * _DAPM_ Controls
314 */
315
316/* Left Mixer */
317static const struct snd_kcontrol_new wm8753_left_mixer_controls[] = {
318SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_LOUTM2, 8, 1, 0),
319SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_LOUTM2, 7, 1, 0),
320SOC_DAPM_SINGLE("Left Playback Switch", WM8753_LOUTM1, 8, 1, 0),
321SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_LOUTM1, 7, 1, 0),
322};
323
324/* Right mixer */
325static const struct snd_kcontrol_new wm8753_right_mixer_controls[] = {
326SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_ROUTM2, 8, 1, 0),
327SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_ROUTM2, 7, 1, 0),
328SOC_DAPM_SINGLE("Right Playback Switch", WM8753_ROUTM1, 8, 1, 0),
329SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_ROUTM1, 7, 1, 0),
330};
331
332/* Mono mixer */
333static const struct snd_kcontrol_new wm8753_mono_mixer_controls[] = {
334SOC_DAPM_SINGLE("Left Playback Switch", WM8753_MOUTM1, 8, 1, 0),
335SOC_DAPM_SINGLE("Right Playback Switch", WM8753_MOUTM2, 8, 1, 0),
336SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_MOUTM2, 3, 1, 0),
337SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_MOUTM2, 7, 1, 0),
338SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_MOUTM1, 7, 1, 0),
339};
340
341/* Mono 2 Mux */
342static const struct snd_kcontrol_new wm8753_mono2_controls =
343SOC_DAPM_ENUM("Route", wm8753_enum[17]);
344
345/* Out 3 Mux */
346static const struct snd_kcontrol_new wm8753_out3_controls =
347SOC_DAPM_ENUM("Route", wm8753_enum[18]);
348
349/* Out 4 Mux */
350static const struct snd_kcontrol_new wm8753_out4_controls =
351SOC_DAPM_ENUM("Route", wm8753_enum[19]);
352
353/* ADC Mono Mix */
354static const struct snd_kcontrol_new wm8753_adc_mono_controls =
355SOC_DAPM_ENUM("Route", wm8753_enum[22]);
356
357/* Record mixer */
358static const struct snd_kcontrol_new wm8753_record_mixer_controls[] = {
359SOC_DAPM_SINGLE("Voice Capture Switch", WM8753_RECMIX2, 3, 1, 0),
360SOC_DAPM_SINGLE("Left Capture Switch", WM8753_RECMIX1, 3, 1, 0),
361SOC_DAPM_SINGLE("Right Capture Switch", WM8753_RECMIX1, 7, 1, 0),
362};
363
364/* Left ADC mux */
365static const struct snd_kcontrol_new wm8753_adc_left_controls =
366SOC_DAPM_ENUM("Route", wm8753_enum[21]);
367
368/* Right ADC mux */
369static const struct snd_kcontrol_new wm8753_adc_right_controls =
370SOC_DAPM_ENUM("Route", wm8753_enum[20]);
371
372/* MIC mux */
373static const struct snd_kcontrol_new wm8753_mic_mux_controls =
374SOC_DAPM_ENUM("Route", wm8753_enum[16]);
375
376/* ALC mixer */
377static const struct snd_kcontrol_new wm8753_alc_mixer_controls[] = {
378SOC_DAPM_SINGLE("Line Capture Switch", WM8753_INCTL2, 3, 1, 0),
379SOC_DAPM_SINGLE("Mic2 Capture Switch", WM8753_INCTL2, 2, 1, 0),
380SOC_DAPM_SINGLE("Mic1 Capture Switch", WM8753_INCTL2, 1, 1, 0),
381SOC_DAPM_SINGLE("Rx Capture Switch", WM8753_INCTL2, 0, 1, 0),
382};
383
384/* Left Line mux */
385static const struct snd_kcontrol_new wm8753_line_left_controls =
386SOC_DAPM_ENUM("Route", wm8753_enum[14]);
387
388/* Right Line mux */
389static const struct snd_kcontrol_new wm8753_line_right_controls =
390SOC_DAPM_ENUM("Route", wm8753_enum[13]);
391
392/* Mono Line mux */
393static const struct snd_kcontrol_new wm8753_line_mono_controls =
394SOC_DAPM_ENUM("Route", wm8753_enum[12]);
395
396/* Line mux and mixer */
397static const struct snd_kcontrol_new wm8753_line_mux_mix_controls =
398SOC_DAPM_ENUM("Route", wm8753_enum[11]);
399
400/* Rx mux and mixer */
401static const struct snd_kcontrol_new wm8753_rx_mux_mix_controls =
402SOC_DAPM_ENUM("Route", wm8753_enum[15]);
403
404/* Mic Selector Mux */
405static const struct snd_kcontrol_new wm8753_mic_sel_mux_controls =
406SOC_DAPM_ENUM("Route", wm8753_enum[25]);
407
408static const struct snd_soc_dapm_widget wm8753_dapm_widgets[] = {
409SND_SOC_DAPM_MICBIAS("Mic Bias", WM8753_PWR1, 5, 0),
410SND_SOC_DAPM_MIXER("Left Mixer", WM8753_PWR4, 0, 0,
411 &wm8753_left_mixer_controls[0], ARRAY_SIZE(wm8753_left_mixer_controls)),
412SND_SOC_DAPM_PGA("Left Out 1", WM8753_PWR3, 8, 0, NULL, 0),
413SND_SOC_DAPM_PGA("Left Out 2", WM8753_PWR3, 6, 0, NULL, 0),
414SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", WM8753_PWR1, 3, 0),
415SND_SOC_DAPM_OUTPUT("LOUT1"),
416SND_SOC_DAPM_OUTPUT("LOUT2"),
417SND_SOC_DAPM_MIXER("Right Mixer", WM8753_PWR4, 1, 0,
418 &wm8753_right_mixer_controls[0], ARRAY_SIZE(wm8753_right_mixer_controls)),
419SND_SOC_DAPM_PGA("Right Out 1", WM8753_PWR3, 7, 0, NULL, 0),
420SND_SOC_DAPM_PGA("Right Out 2", WM8753_PWR3, 5, 0, NULL, 0),
421SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", WM8753_PWR1, 2, 0),
422SND_SOC_DAPM_OUTPUT("ROUT1"),
423SND_SOC_DAPM_OUTPUT("ROUT2"),
424SND_SOC_DAPM_MIXER("Mono Mixer", WM8753_PWR4, 2, 0,
425 &wm8753_mono_mixer_controls[0], ARRAY_SIZE(wm8753_mono_mixer_controls)),
426SND_SOC_DAPM_PGA("Mono Out 1", WM8753_PWR3, 2, 0, NULL, 0),
427SND_SOC_DAPM_PGA("Mono Out 2", WM8753_PWR3, 1, 0, NULL, 0),
428SND_SOC_DAPM_DAC("Voice DAC", "Voice Playback", WM8753_PWR1, 4, 0),
429SND_SOC_DAPM_OUTPUT("MONO1"),
430SND_SOC_DAPM_MUX("Mono 2 Mux", SND_SOC_NOPM, 0, 0, &wm8753_mono2_controls),
431SND_SOC_DAPM_OUTPUT("MONO2"),
432SND_SOC_DAPM_MIXER("Out3 Left + Right", -1, 0, 0, NULL, 0),
433SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, &wm8753_out3_controls),
434SND_SOC_DAPM_PGA("Out 3", WM8753_PWR3, 4, 0, NULL, 0),
435SND_SOC_DAPM_OUTPUT("OUT3"),
436SND_SOC_DAPM_MUX("Out4 Mux", SND_SOC_NOPM, 0, 0, &wm8753_out4_controls),
437SND_SOC_DAPM_PGA("Out 4", WM8753_PWR3, 3, 0, NULL, 0),
438SND_SOC_DAPM_OUTPUT("OUT4"),
439SND_SOC_DAPM_MIXER("Playback Mixer", WM8753_PWR4, 3, 0,
440 &wm8753_record_mixer_controls[0],
441 ARRAY_SIZE(wm8753_record_mixer_controls)),
442SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8753_PWR2, 3, 0),
443SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8753_PWR2, 2, 0),
444SND_SOC_DAPM_MUX("Capture Left Mixer", SND_SOC_NOPM, 0, 0,
445 &wm8753_adc_mono_controls),
446SND_SOC_DAPM_MUX("Capture Right Mixer", SND_SOC_NOPM, 0, 0,
447 &wm8753_adc_mono_controls),
448SND_SOC_DAPM_MUX("Capture Left Mux", SND_SOC_NOPM, 0, 0,
449 &wm8753_adc_left_controls),
450SND_SOC_DAPM_MUX("Capture Right Mux", SND_SOC_NOPM, 0, 0,
451 &wm8753_adc_right_controls),
452SND_SOC_DAPM_MUX("Mic Sidetone Mux", SND_SOC_NOPM, 0, 0,
453 &wm8753_mic_mux_controls),
454SND_SOC_DAPM_PGA("Left Capture Volume", WM8753_PWR2, 5, 0, NULL, 0),
455SND_SOC_DAPM_PGA("Right Capture Volume", WM8753_PWR2, 4, 0, NULL, 0),
456SND_SOC_DAPM_MIXER("ALC Mixer", WM8753_PWR2, 6, 0,
457 &wm8753_alc_mixer_controls[0], ARRAY_SIZE(wm8753_alc_mixer_controls)),
458SND_SOC_DAPM_MUX("Line Left Mux", SND_SOC_NOPM, 0, 0,
459 &wm8753_line_left_controls),
460SND_SOC_DAPM_MUX("Line Right Mux", SND_SOC_NOPM, 0, 0,
461 &wm8753_line_right_controls),
462SND_SOC_DAPM_MUX("Line Mono Mux", SND_SOC_NOPM, 0, 0,
463 &wm8753_line_mono_controls),
464SND_SOC_DAPM_MUX("Line Mixer", WM8753_PWR2, 0, 0,
465 &wm8753_line_mux_mix_controls),
466SND_SOC_DAPM_MUX("Rx Mixer", WM8753_PWR2, 1, 0,
467 &wm8753_rx_mux_mix_controls),
468SND_SOC_DAPM_PGA("Mic 1 Volume", WM8753_PWR2, 8, 0, NULL, 0),
469SND_SOC_DAPM_PGA("Mic 2 Volume", WM8753_PWR2, 7, 0, NULL, 0),
470SND_SOC_DAPM_MUX("Mic Selection Mux", SND_SOC_NOPM, 0, 0,
471 &wm8753_mic_sel_mux_controls),
472SND_SOC_DAPM_INPUT("LINE1"),
473SND_SOC_DAPM_INPUT("LINE2"),
474SND_SOC_DAPM_INPUT("RXP"),
475SND_SOC_DAPM_INPUT("RXN"),
476SND_SOC_DAPM_INPUT("ACIN"),
477SND_SOC_DAPM_OUTPUT("ACOP"),
478SND_SOC_DAPM_INPUT("MIC1N"),
479SND_SOC_DAPM_INPUT("MIC1"),
480SND_SOC_DAPM_INPUT("MIC2N"),
481SND_SOC_DAPM_INPUT("MIC2"),
482SND_SOC_DAPM_VMID("VREF"),
483};
484
485static const struct snd_soc_dapm_route audio_map[] = {
486 /* left mixer */
487 {"Left Mixer", "Left Playback Switch", "Left DAC"},
488 {"Left Mixer", "Voice Playback Switch", "Voice DAC"},
489 {"Left Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"},
490 {"Left Mixer", "Bypass Playback Switch", "Line Left Mux"},
491
492 /* right mixer */
493 {"Right Mixer", "Right Playback Switch", "Right DAC"},
494 {"Right Mixer", "Voice Playback Switch", "Voice DAC"},
495 {"Right Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"},
496 {"Right Mixer", "Bypass Playback Switch", "Line Right Mux"},
497
498 /* mono mixer */
499 {"Mono Mixer", "Voice Playback Switch", "Voice DAC"},
500 {"Mono Mixer", "Left Playback Switch", "Left DAC"},
501 {"Mono Mixer", "Right Playback Switch", "Right DAC"},
502 {"Mono Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"},
503 {"Mono Mixer", "Bypass Playback Switch", "Line Mono Mux"},
504
505 /* left out */
506 {"Left Out 1", NULL, "Left Mixer"},
507 {"Left Out 2", NULL, "Left Mixer"},
508 {"LOUT1", NULL, "Left Out 1"},
509 {"LOUT2", NULL, "Left Out 2"},
510
511 /* right out */
512 {"Right Out 1", NULL, "Right Mixer"},
513 {"Right Out 2", NULL, "Right Mixer"},
514 {"ROUT1", NULL, "Right Out 1"},
515 {"ROUT2", NULL, "Right Out 2"},
516
517 /* mono 1 out */
518 {"Mono Out 1", NULL, "Mono Mixer"},
519 {"MONO1", NULL, "Mono Out 1"},
520
521 /* mono 2 out */
522 {"Mono 2 Mux", "Left + Right", "Out3 Left + Right"},
523 {"Mono 2 Mux", "Inverted Mono 1", "MONO1"},
524 {"Mono 2 Mux", "Left", "Left Mixer"},
525 {"Mono 2 Mux", "Right", "Right Mixer"},
526 {"Mono Out 2", NULL, "Mono 2 Mux"},
527 {"MONO2", NULL, "Mono Out 2"},
528
529 /* out 3 */
530 {"Out3 Left + Right", NULL, "Left Mixer"},
531 {"Out3 Left + Right", NULL, "Right Mixer"},
532 {"Out3 Mux", "VREF", "VREF"},
533 {"Out3 Mux", "Left + Right", "Out3 Left + Right"},
534 {"Out3 Mux", "ROUT2", "ROUT2"},
535 {"Out 3", NULL, "Out3 Mux"},
536 {"OUT3", NULL, "Out 3"},
537
538 /* out 4 */
539 {"Out4 Mux", "VREF", "VREF"},
540 {"Out4 Mux", "Capture ST", "Playback Mixer"},
541 {"Out4 Mux", "LOUT2", "LOUT2"},
542 {"Out 4", NULL, "Out4 Mux"},
543 {"OUT4", NULL, "Out 4"},
544
545 /* record mixer */
546 {"Playback Mixer", "Left Capture Switch", "Left Mixer"},
547 {"Playback Mixer", "Voice Capture Switch", "Mono Mixer"},
548 {"Playback Mixer", "Right Capture Switch", "Right Mixer"},
549
550 /* Mic/SideTone Mux */
551 {"Mic Sidetone Mux", "Left PGA", "Left Capture Volume"},
552 {"Mic Sidetone Mux", "Right PGA", "Right Capture Volume"},
553 {"Mic Sidetone Mux", "Mic 1", "Mic 1 Volume"},
554 {"Mic Sidetone Mux", "Mic 2", "Mic 2 Volume"},
555
556 /* Capture Left Mux */
557 {"Capture Left Mux", "PGA", "Left Capture Volume"},
558 {"Capture Left Mux", "Line or RXP-RXN", "Line Left Mux"},
559 {"Capture Left Mux", "Line", "LINE1"},
560
561 /* Capture Right Mux */
562 {"Capture Right Mux", "PGA", "Right Capture Volume"},
563 {"Capture Right Mux", "Line or RXP-RXN", "Line Right Mux"},
564 {"Capture Right Mux", "Sidetone", "Playback Mixer"},
565
566 /* Mono Capture mixer-mux */
567 {"Capture Right Mixer", "Stereo", "Capture Right Mux"},
568 {"Capture Left Mixer", "Stereo", "Capture Left Mux"},
569 {"Capture Left Mixer", "Analogue Mix Left", "Capture Left Mux"},
570 {"Capture Left Mixer", "Analogue Mix Left", "Capture Right Mux"},
571 {"Capture Right Mixer", "Analogue Mix Right", "Capture Left Mux"},
572 {"Capture Right Mixer", "Analogue Mix Right", "Capture Right Mux"},
573 {"Capture Left Mixer", "Digital Mono Mix", "Capture Left Mux"},
574 {"Capture Left Mixer", "Digital Mono Mix", "Capture Right Mux"},
575 {"Capture Right Mixer", "Digital Mono Mix", "Capture Left Mux"},
576 {"Capture Right Mixer", "Digital Mono Mix", "Capture Right Mux"},
577
578 /* ADC */
579 {"Left ADC", NULL, "Capture Left Mixer"},
580 {"Right ADC", NULL, "Capture Right Mixer"},
581
582 /* Left Capture Volume */
583 {"Left Capture Volume", NULL, "ACIN"},
584
585 /* Right Capture Volume */
586 {"Right Capture Volume", NULL, "Mic 2 Volume"},
587
588 /* ALC Mixer */
589 {"ALC Mixer", "Line Capture Switch", "Line Mixer"},
590 {"ALC Mixer", "Mic2 Capture Switch", "Mic 2 Volume"},
591 {"ALC Mixer", "Mic1 Capture Switch", "Mic 1 Volume"},
592 {"ALC Mixer", "Rx Capture Switch", "Rx Mixer"},
593
594 /* Line Left Mux */
595 {"Line Left Mux", "Line 1", "LINE1"},
596 {"Line Left Mux", "Rx Mix", "Rx Mixer"},
597
598 /* Line Right Mux */
599 {"Line Right Mux", "Line 2", "LINE2"},
600 {"Line Right Mux", "Rx Mix", "Rx Mixer"},
601
602 /* Line Mono Mux */
603 {"Line Mono Mux", "Line Mix", "Line Mixer"},
604 {"Line Mono Mux", "Rx Mix", "Rx Mixer"},
605
606 /* Line Mixer/Mux */
607 {"Line Mixer", "Line 1 + 2", "LINE1"},
608 {"Line Mixer", "Line 1 - 2", "LINE1"},
609 {"Line Mixer", "Line 1 + 2", "LINE2"},
610 {"Line Mixer", "Line 1 - 2", "LINE2"},
611 {"Line Mixer", "Line 1", "LINE1"},
612 {"Line Mixer", "Line 2", "LINE2"},
613
614 /* Rx Mixer/Mux */
615 {"Rx Mixer", "RXP - RXN", "RXP"},
616 {"Rx Mixer", "RXP + RXN", "RXP"},
617 {"Rx Mixer", "RXP - RXN", "RXN"},
618 {"Rx Mixer", "RXP + RXN", "RXN"},
619 {"Rx Mixer", "RXP", "RXP"},
620 {"Rx Mixer", "RXN", "RXN"},
621
622 /* Mic 1 Volume */
623 {"Mic 1 Volume", NULL, "MIC1N"},
624 {"Mic 1 Volume", NULL, "Mic Selection Mux"},
625
626 /* Mic 2 Volume */
627 {"Mic 2 Volume", NULL, "MIC2N"},
628 {"Mic 2 Volume", NULL, "MIC2"},
629
630 /* Mic Selector Mux */
631 {"Mic Selection Mux", "Mic 1", "MIC1"},
632 {"Mic Selection Mux", "Mic 2", "MIC2N"},
633 {"Mic Selection Mux", "Mic 3", "MIC2"},
634
635 /* ACOP */
636 {"ACOP", NULL, "ALC Mixer"},
637};
638
639static int wm8753_add_widgets(struct snd_soc_codec *codec)
640{
641 struct snd_soc_dapm_context *dapm = &codec->dapm;
642
643 snd_soc_dapm_new_controls(dapm, wm8753_dapm_widgets,
644 ARRAY_SIZE(wm8753_dapm_widgets));
645 snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
646
647 return 0;
648}
649
650/* PLL divisors */
651struct _pll_div {
652 u32 div2:1;
653 u32 n:4;
654 u32 k:24;
655};
656
657/* The size in bits of the pll divide multiplied by 10
658 * to allow rounding later */
659#define FIXED_PLL_SIZE ((1 << 22) * 10)
660
661static void pll_factors(struct _pll_div *pll_div, unsigned int target,
662 unsigned int source)
663{
664 u64 Kpart;
665 unsigned int K, Ndiv, Nmod;
666
667 Ndiv = target / source;
668 if (Ndiv < 6) {
669 source >>= 1;
670 pll_div->div2 = 1;
671 Ndiv = target / source;
672 } else
673 pll_div->div2 = 0;
674
675 if ((Ndiv < 6) || (Ndiv > 12))
676 printk(KERN_WARNING
677 "wm8753: unsupported N = %u\n", Ndiv);
678
679 pll_div->n = Ndiv;
680 Nmod = target % source;
681 Kpart = FIXED_PLL_SIZE * (long long)Nmod;
682
683 do_div(Kpart, source);
684
685 K = Kpart & 0xFFFFFFFF;
686
687 /* Check if we need to round */
688 if ((K % 10) >= 5)
689 K += 5;
690
691 /* Move down to proper range now rounding is done */
692 K /= 10;
693
694 pll_div->k = K;
695}
696
697static int wm8753_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
698 int source, unsigned int freq_in, unsigned int freq_out)
699{
700 u16 reg, enable;
701 int offset;
702 struct snd_soc_codec *codec = codec_dai->codec;
703
704 if (pll_id < WM8753_PLL1 || pll_id > WM8753_PLL2)
705 return -ENODEV;
706
707 if (pll_id == WM8753_PLL1) {
708 offset = 0;
709 enable = 0x10;
710 reg = snd_soc_read(codec, WM8753_CLOCK) & 0xffef;
711 } else {
712 offset = 4;
713 enable = 0x8;
714 reg = snd_soc_read(codec, WM8753_CLOCK) & 0xfff7;
715 }
716
717 if (!freq_in || !freq_out) {
718 /* disable PLL */
719 snd_soc_write(codec, WM8753_PLL1CTL1 + offset, 0x0026);
720 snd_soc_write(codec, WM8753_CLOCK, reg);
721 return 0;
722 } else {
723 u16 value = 0;
724 struct _pll_div pll_div;
725
726 pll_factors(&pll_div, freq_out * 8, freq_in);
727
728 /* set up N and K PLL divisor ratios */
729 /* bits 8:5 = PLL_N, bits 3:0 = PLL_K[21:18] */
730 value = (pll_div.n << 5) + ((pll_div.k & 0x3c0000) >> 18);
731 snd_soc_write(codec, WM8753_PLL1CTL2 + offset, value);
732
733 /* bits 8:0 = PLL_K[17:9] */
734 value = (pll_div.k & 0x03fe00) >> 9;
735 snd_soc_write(codec, WM8753_PLL1CTL3 + offset, value);
736
737 /* bits 8:0 = PLL_K[8:0] */
738 value = pll_div.k & 0x0001ff;
739 snd_soc_write(codec, WM8753_PLL1CTL4 + offset, value);
740
741 /* set PLL as input and enable */
742 snd_soc_write(codec, WM8753_PLL1CTL1 + offset, 0x0027 |
743 (pll_div.div2 << 3));
744 snd_soc_write(codec, WM8753_CLOCK, reg | enable);
745 }
746 return 0;
747}
748
749struct _coeff_div {
750 u32 mclk;
751 u32 rate;
752 u8 sr:5;
753 u8 usb:1;
754};
755
756/* codec hifi mclk (after PLL) clock divider coefficients */
757static const struct _coeff_div coeff_div[] = {
758 /* 8k */
759 {12288000, 8000, 0x6, 0x0},
760 {11289600, 8000, 0x16, 0x0},
761 {18432000, 8000, 0x7, 0x0},
762 {16934400, 8000, 0x17, 0x0},
763 {12000000, 8000, 0x6, 0x1},
764
765 /* 11.025k */
766 {11289600, 11025, 0x18, 0x0},
767 {16934400, 11025, 0x19, 0x0},
768 {12000000, 11025, 0x19, 0x1},
769
770 /* 16k */
771 {12288000, 16000, 0xa, 0x0},
772 {18432000, 16000, 0xb, 0x0},
773 {12000000, 16000, 0xa, 0x1},
774
775 /* 22.05k */
776 {11289600, 22050, 0x1a, 0x0},
777 {16934400, 22050, 0x1b, 0x0},
778 {12000000, 22050, 0x1b, 0x1},
779
780 /* 32k */
781 {12288000, 32000, 0xc, 0x0},
782 {18432000, 32000, 0xd, 0x0},
783 {12000000, 32000, 0xa, 0x1},
784
785 /* 44.1k */
786 {11289600, 44100, 0x10, 0x0},
787 {16934400, 44100, 0x11, 0x0},
788 {12000000, 44100, 0x11, 0x1},
789
790 /* 48k */
791 {12288000, 48000, 0x0, 0x0},
792 {18432000, 48000, 0x1, 0x0},
793 {12000000, 48000, 0x0, 0x1},
794
795 /* 88.2k */
796 {11289600, 88200, 0x1e, 0x0},
797 {16934400, 88200, 0x1f, 0x0},
798 {12000000, 88200, 0x1f, 0x1},
799
800 /* 96k */
801 {12288000, 96000, 0xe, 0x0},
802 {18432000, 96000, 0xf, 0x0},
803 {12000000, 96000, 0xe, 0x1},
804};
805
806static int get_coeff(int mclk, int rate)
807{
808 int i;
809
810 for (i = 0; i < ARRAY_SIZE(coeff_div); i++) {
811 if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk)
812 return i;
813 }
814 return -EINVAL;
815}
816
817/*
818 * Clock after PLL and dividers
819 */
820static int wm8753_set_dai_sysclk(struct snd_soc_dai *codec_dai,
821 int clk_id, unsigned int freq, int dir)
822{
823 struct snd_soc_codec *codec = codec_dai->codec;
824 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
825
826 switch (freq) {
827 case 11289600:
828 case 12000000:
829 case 12288000:
830 case 16934400:
831 case 18432000:
832 if (clk_id == WM8753_MCLK) {
833 wm8753->sysclk = freq;
834 return 0;
835 } else if (clk_id == WM8753_PCMCLK) {
836 wm8753->pcmclk = freq;
837 return 0;
838 }
839 break;
840 }
841 return -EINVAL;
842}
843
844/*
845 * Set's ADC and Voice DAC format.
846 */
847static int wm8753_vdac_adc_set_dai_fmt(struct snd_soc_codec *codec,
848 unsigned int fmt)
849{
850 u16 voice = snd_soc_read(codec, WM8753_PCM) & 0x01ec;
851
852 /* interface format */
853 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
854 case SND_SOC_DAIFMT_I2S:
855 voice |= 0x0002;
856 break;
857 case SND_SOC_DAIFMT_RIGHT_J:
858 break;
859 case SND_SOC_DAIFMT_LEFT_J:
860 voice |= 0x0001;
861 break;
862 case SND_SOC_DAIFMT_DSP_A:
863 voice |= 0x0003;
864 break;
865 case SND_SOC_DAIFMT_DSP_B:
866 voice |= 0x0013;
867 break;
868 default:
869 return -EINVAL;
870 }
871
872 snd_soc_write(codec, WM8753_PCM, voice);
873 return 0;
874}
875
876/*
877 * Set PCM DAI bit size and sample rate.
878 */
879static int wm8753_pcm_hw_params(struct snd_pcm_substream *substream,
880 struct snd_pcm_hw_params *params,
881 struct snd_soc_dai *dai)
882{
883 struct snd_soc_pcm_runtime *rtd = substream->private_data;
884 struct snd_soc_codec *codec = rtd->codec;
885 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
886 u16 voice = snd_soc_read(codec, WM8753_PCM) & 0x01f3;
887 u16 srate = snd_soc_read(codec, WM8753_SRATE1) & 0x017f;
888
889 /* bit size */
890 switch (params_format(params)) {
891 case SNDRV_PCM_FORMAT_S16_LE:
892 break;
893 case SNDRV_PCM_FORMAT_S20_3LE:
894 voice |= 0x0004;
895 break;
896 case SNDRV_PCM_FORMAT_S24_LE:
897 voice |= 0x0008;
898 break;
899 case SNDRV_PCM_FORMAT_S32_LE:
900 voice |= 0x000c;
901 break;
902 }
903
904 /* sample rate */
905 if (params_rate(params) * 384 == wm8753->pcmclk)
906 srate |= 0x80;
907 snd_soc_write(codec, WM8753_SRATE1, srate);
908
909 snd_soc_write(codec, WM8753_PCM, voice);
910 return 0;
911}
912
913/*
914 * Set's PCM dai fmt and BCLK.
915 */
916static int wm8753_pcm_set_dai_fmt(struct snd_soc_codec *codec,
917 unsigned int fmt)
918{
919 u16 voice, ioctl;
920
921 voice = snd_soc_read(codec, WM8753_PCM) & 0x011f;
922 ioctl = snd_soc_read(codec, WM8753_IOCTL) & 0x015d;
923
924 /* set master/slave audio interface */
925 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
926 case SND_SOC_DAIFMT_CBS_CFS:
927 break;
928 case SND_SOC_DAIFMT_CBM_CFM:
929 ioctl |= 0x2;
930 case SND_SOC_DAIFMT_CBM_CFS:
931 voice |= 0x0040;
932 break;
933 default:
934 return -EINVAL;
935 }
936
937 /* clock inversion */
938 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
939 case SND_SOC_DAIFMT_DSP_A:
940 case SND_SOC_DAIFMT_DSP_B:
941 /* frame inversion not valid for DSP modes */
942 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
943 case SND_SOC_DAIFMT_NB_NF:
944 break;
945 case SND_SOC_DAIFMT_IB_NF:
946 voice |= 0x0080;
947 break;
948 default:
949 return -EINVAL;
950 }
951 break;
952 case SND_SOC_DAIFMT_I2S:
953 case SND_SOC_DAIFMT_RIGHT_J:
954 case SND_SOC_DAIFMT_LEFT_J:
955 voice &= ~0x0010;
956 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
957 case SND_SOC_DAIFMT_NB_NF:
958 break;
959 case SND_SOC_DAIFMT_IB_IF:
960 voice |= 0x0090;
961 break;
962 case SND_SOC_DAIFMT_IB_NF:
963 voice |= 0x0080;
964 break;
965 case SND_SOC_DAIFMT_NB_IF:
966 voice |= 0x0010;
967 break;
968 default:
969 return -EINVAL;
970 }
971 break;
972 default:
973 return -EINVAL;
974 }
975
976 snd_soc_write(codec, WM8753_PCM, voice);
977 snd_soc_write(codec, WM8753_IOCTL, ioctl);
978 return 0;
979}
980
981static int wm8753_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
982 int div_id, int div)
983{
984 struct snd_soc_codec *codec = codec_dai->codec;
985 u16 reg;
986
987 switch (div_id) {
988 case WM8753_PCMDIV:
989 reg = snd_soc_read(codec, WM8753_CLOCK) & 0x003f;
990 snd_soc_write(codec, WM8753_CLOCK, reg | div);
991 break;
992 case WM8753_BCLKDIV:
993 reg = snd_soc_read(codec, WM8753_SRATE2) & 0x01c7;
994 snd_soc_write(codec, WM8753_SRATE2, reg | div);
995 break;
996 case WM8753_VXCLKDIV:
997 reg = snd_soc_read(codec, WM8753_SRATE2) & 0x003f;
998 snd_soc_write(codec, WM8753_SRATE2, reg | div);
999 break;
1000 default:
1001 return -EINVAL;
1002 }
1003 return 0;
1004}
1005
1006/*
1007 * Set's HiFi DAC format.
1008 */
1009static int wm8753_hdac_set_dai_fmt(struct snd_soc_codec *codec,
1010 unsigned int fmt)
1011{
1012 u16 hifi = snd_soc_read(codec, WM8753_HIFI) & 0x01e0;
1013
1014 /* interface format */
1015 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1016 case SND_SOC_DAIFMT_I2S:
1017 hifi |= 0x0002;
1018 break;
1019 case SND_SOC_DAIFMT_RIGHT_J:
1020 break;
1021 case SND_SOC_DAIFMT_LEFT_J:
1022 hifi |= 0x0001;
1023 break;
1024 case SND_SOC_DAIFMT_DSP_A:
1025 hifi |= 0x0003;
1026 break;
1027 case SND_SOC_DAIFMT_DSP_B:
1028 hifi |= 0x0013;
1029 break;
1030 default:
1031 return -EINVAL;
1032 }
1033
1034 snd_soc_write(codec, WM8753_HIFI, hifi);
1035 return 0;
1036}
1037
1038/*
1039 * Set's I2S DAI format.
1040 */
1041static int wm8753_i2s_set_dai_fmt(struct snd_soc_codec *codec,
1042 unsigned int fmt)
1043{
1044 u16 ioctl, hifi;
1045
1046 hifi = snd_soc_read(codec, WM8753_HIFI) & 0x011f;
1047 ioctl = snd_soc_read(codec, WM8753_IOCTL) & 0x00ae;
1048
1049 /* set master/slave audio interface */
1050 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1051 case SND_SOC_DAIFMT_CBS_CFS:
1052 break;
1053 case SND_SOC_DAIFMT_CBM_CFM:
1054 ioctl |= 0x1;
1055 case SND_SOC_DAIFMT_CBM_CFS:
1056 hifi |= 0x0040;
1057 break;
1058 default:
1059 return -EINVAL;
1060 }
1061
1062 /* clock inversion */
1063 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1064 case SND_SOC_DAIFMT_DSP_A:
1065 case SND_SOC_DAIFMT_DSP_B:
1066 /* frame inversion not valid for DSP modes */
1067 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1068 case SND_SOC_DAIFMT_NB_NF:
1069 break;
1070 case SND_SOC_DAIFMT_IB_NF:
1071 hifi |= 0x0080;
1072 break;
1073 default:
1074 return -EINVAL;
1075 }
1076 break;
1077 case SND_SOC_DAIFMT_I2S:
1078 case SND_SOC_DAIFMT_RIGHT_J:
1079 case SND_SOC_DAIFMT_LEFT_J:
1080 hifi &= ~0x0010;
1081 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1082 case SND_SOC_DAIFMT_NB_NF:
1083 break;
1084 case SND_SOC_DAIFMT_IB_IF:
1085 hifi |= 0x0090;
1086 break;
1087 case SND_SOC_DAIFMT_IB_NF:
1088 hifi |= 0x0080;
1089 break;
1090 case SND_SOC_DAIFMT_NB_IF:
1091 hifi |= 0x0010;
1092 break;
1093 default:
1094 return -EINVAL;
1095 }
1096 break;
1097 default:
1098 return -EINVAL;
1099 }
1100
1101 snd_soc_write(codec, WM8753_HIFI, hifi);
1102 snd_soc_write(codec, WM8753_IOCTL, ioctl);
1103 return 0;
1104}
1105
1106/*
1107 * Set PCM DAI bit size and sample rate.
1108 */
1109static int wm8753_i2s_hw_params(struct snd_pcm_substream *substream,
1110 struct snd_pcm_hw_params *params,
1111 struct snd_soc_dai *dai)
1112{
1113 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1114 struct snd_soc_codec *codec = rtd->codec;
1115 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
1116 u16 srate = snd_soc_read(codec, WM8753_SRATE1) & 0x01c0;
1117 u16 hifi = snd_soc_read(codec, WM8753_HIFI) & 0x01f3;
1118 int coeff;
1119
1120 /* is digital filter coefficient valid ? */
1121 coeff = get_coeff(wm8753->sysclk, params_rate(params));
1122 if (coeff < 0) {
1123 printk(KERN_ERR "wm8753 invalid MCLK or rate\n");
1124 return coeff;
1125 }
1126 snd_soc_write(codec, WM8753_SRATE1, srate | (coeff_div[coeff].sr << 1) |
1127 coeff_div[coeff].usb);
1128
1129 /* bit size */
1130 switch (params_format(params)) {
1131 case SNDRV_PCM_FORMAT_S16_LE:
1132 break;
1133 case SNDRV_PCM_FORMAT_S20_3LE:
1134 hifi |= 0x0004;
1135 break;
1136 case SNDRV_PCM_FORMAT_S24_LE:
1137 hifi |= 0x0008;
1138 break;
1139 case SNDRV_PCM_FORMAT_S32_LE:
1140 hifi |= 0x000c;
1141 break;
1142 }
1143
1144 snd_soc_write(codec, WM8753_HIFI, hifi);
1145 return 0;
1146}
1147
1148static int wm8753_mode1v_set_dai_fmt(struct snd_soc_codec *codec,
1149 unsigned int fmt)
1150{
1151 u16 clock;
1152
1153 /* set clk source as pcmclk */
1154 clock = snd_soc_read(codec, WM8753_CLOCK) & 0xfffb;
1155 snd_soc_write(codec, WM8753_CLOCK, clock);
1156
1157 return wm8753_vdac_adc_set_dai_fmt(codec, fmt);
1158}
1159
1160static int wm8753_mode1h_set_dai_fmt(struct snd_soc_codec *codec,
1161 unsigned int fmt)
1162{
1163 return wm8753_hdac_set_dai_fmt(codec, fmt);
1164}
1165
1166static int wm8753_mode2_set_dai_fmt(struct snd_soc_codec *codec,
1167 unsigned int fmt)
1168{
1169 u16 clock;
1170
1171 /* set clk source as pcmclk */
1172 clock = snd_soc_read(codec, WM8753_CLOCK) & 0xfffb;
1173 snd_soc_write(codec, WM8753_CLOCK, clock);
1174
1175 return wm8753_vdac_adc_set_dai_fmt(codec, fmt);
1176}
1177
1178static int wm8753_mode3_4_set_dai_fmt(struct snd_soc_codec *codec,
1179 unsigned int fmt)
1180{
1181 u16 clock;
1182
1183 /* set clk source as mclk */
1184 clock = snd_soc_read(codec, WM8753_CLOCK) & 0xfffb;
1185 snd_soc_write(codec, WM8753_CLOCK, clock | 0x4);
1186
1187 if (wm8753_hdac_set_dai_fmt(codec, fmt) < 0)
1188 return -EINVAL;
1189 return wm8753_vdac_adc_set_dai_fmt(codec, fmt);
1190}
1191
1192static int wm8753_hifi_write_dai_fmt(struct snd_soc_codec *codec,
1193 unsigned int fmt)
1194{
1195 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
1196 int ret = 0;
1197
1198 switch (wm8753->dai_func) {
1199 case 0:
1200 ret = wm8753_mode1h_set_dai_fmt(codec, fmt);
1201 break;
1202 case 1:
1203 ret = wm8753_mode2_set_dai_fmt(codec, fmt);
1204 break;
1205 case 2:
1206 case 3:
1207 ret = wm8753_mode3_4_set_dai_fmt(codec, fmt);
1208 break;
1209 default:
1210 break;
1211 }
1212 if (ret)
1213 return ret;
1214
1215 return wm8753_i2s_set_dai_fmt(codec, fmt);
1216}
1217
1218static int wm8753_hifi_set_dai_fmt(struct snd_soc_dai *codec_dai,
1219 unsigned int fmt)
1220{
1221 struct snd_soc_codec *codec = codec_dai->codec;
1222 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
1223
1224 wm8753->hifi_fmt = fmt;
1225
1226 return wm8753_hifi_write_dai_fmt(codec, fmt);
1227};
1228
1229static int wm8753_voice_write_dai_fmt(struct snd_soc_codec *codec,
1230 unsigned int fmt)
1231{
1232 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
1233 int ret = 0;
1234
1235 if (wm8753->dai_func != 0)
1236 return 0;
1237
1238 ret = wm8753_mode1v_set_dai_fmt(codec, fmt);
1239 if (ret)
1240 return ret;
1241 ret = wm8753_pcm_set_dai_fmt(codec, fmt);
1242 if (ret)
1243 return ret;
1244
1245 return 0;
1246};
1247
1248static int wm8753_voice_set_dai_fmt(struct snd_soc_dai *codec_dai,
1249 unsigned int fmt)
1250{
1251 struct snd_soc_codec *codec = codec_dai->codec;
1252 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
1253
1254 wm8753->voice_fmt = fmt;
1255
1256 return wm8753_voice_write_dai_fmt(codec, fmt);
1257};
1258
1259static int wm8753_mute(struct snd_soc_dai *dai, int mute)
1260{
1261 struct snd_soc_codec *codec = dai->codec;
1262 u16 mute_reg = snd_soc_read(codec, WM8753_DAC) & 0xfff7;
1263 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
1264
1265 /* the digital mute covers the HiFi and Voice DAC's on the WM8753.
1266 * make sure we check if they are not both active when we mute */
1267 if (mute && wm8753->dai_func == 1) {
1268 if (!codec->active)
1269 snd_soc_write(codec, WM8753_DAC, mute_reg | 0x8);
1270 } else {
1271 if (mute)
1272 snd_soc_write(codec, WM8753_DAC, mute_reg | 0x8);
1273 else
1274 snd_soc_write(codec, WM8753_DAC, mute_reg);
1275 }
1276
1277 return 0;
1278}
1279
1280static int wm8753_set_bias_level(struct snd_soc_codec *codec,
1281 enum snd_soc_bias_level level)
1282{
1283 u16 pwr_reg = snd_soc_read(codec, WM8753_PWR1) & 0xfe3e;
1284
1285 switch (level) {
1286 case SND_SOC_BIAS_ON:
1287 /* set vmid to 50k and unmute dac */
1288 snd_soc_write(codec, WM8753_PWR1, pwr_reg | 0x00c0);
1289 break;
1290 case SND_SOC_BIAS_PREPARE:
1291 /* set vmid to 5k for quick power up */
1292 snd_soc_write(codec, WM8753_PWR1, pwr_reg | 0x01c1);
1293 break;
1294 case SND_SOC_BIAS_STANDBY:
1295 /* mute dac and set vmid to 500k, enable VREF */
1296 snd_soc_write(codec, WM8753_PWR1, pwr_reg | 0x0141);
1297 break;
1298 case SND_SOC_BIAS_OFF:
1299 snd_soc_write(codec, WM8753_PWR1, 0x0001);
1300 break;
1301 }
1302 codec->dapm.bias_level = level;
1303 return 0;
1304}
1305
1306#define WM8753_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
1307 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
1308 SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
1309 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
1310
1311#define WM8753_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1312 SNDRV_PCM_FMTBIT_S24_LE)
1313
1314/*
1315 * The WM8753 supports up to 4 different and mutually exclusive DAI
1316 * configurations. This gives 2 PCM's available for use, hifi and voice.
1317 * NOTE: The Voice PCM cannot play or capture audio to the CPU as it's DAI
1318 * is connected between the wm8753 and a BT codec or GSM modem.
1319 *
1320 * 1. Voice over PCM DAI - HIFI DAC over HIFI DAI
1321 * 2. Voice over HIFI DAI - HIFI disabled
1322 * 3. Voice disabled - HIFI over HIFI
1323 * 4. Voice disabled - HIFI over HIFI, uses voice DAI LRC for capture
1324 */
1325static struct snd_soc_dai_ops wm8753_dai_ops_hifi_mode = {
1326 .hw_params = wm8753_i2s_hw_params,
1327 .digital_mute = wm8753_mute,
1328 .set_fmt = wm8753_hifi_set_dai_fmt,
1329 .set_clkdiv = wm8753_set_dai_clkdiv,
1330 .set_pll = wm8753_set_dai_pll,
1331 .set_sysclk = wm8753_set_dai_sysclk,
1332};
1333
1334static struct snd_soc_dai_ops wm8753_dai_ops_voice_mode = {
1335 .hw_params = wm8753_pcm_hw_params,
1336 .digital_mute = wm8753_mute,
1337 .set_fmt = wm8753_voice_set_dai_fmt,
1338 .set_clkdiv = wm8753_set_dai_clkdiv,
1339 .set_pll = wm8753_set_dai_pll,
1340 .set_sysclk = wm8753_set_dai_sysclk,
1341};
1342
1343static struct snd_soc_dai_driver wm8753_dai[] = {
1344/* DAI HiFi mode 1 */
1345{ .name = "wm8753-hifi",
1346 .playback = {
1347 .stream_name = "HiFi Playback",
1348 .channels_min = 1,
1349 .channels_max = 2,
1350 .rates = WM8753_RATES,
1351 .formats = WM8753_FORMATS
1352 },
1353 .capture = { /* dummy for fast DAI switching */
1354 .stream_name = "Capture",
1355 .channels_min = 1,
1356 .channels_max = 2,
1357 .rates = WM8753_RATES,
1358 .formats = WM8753_FORMATS
1359 },
1360 .ops = &wm8753_dai_ops_hifi_mode,
1361},
1362/* DAI Voice mode 1 */
1363{ .name = "wm8753-voice",
1364 .playback = {
1365 .stream_name = "Voice Playback",
1366 .channels_min = 1,
1367 .channels_max = 1,
1368 .rates = WM8753_RATES,
1369 .formats = WM8753_FORMATS,
1370 },
1371 .capture = {
1372 .stream_name = "Capture",
1373 .channels_min = 1,
1374 .channels_max = 2,
1375 .rates = WM8753_RATES,
1376 .formats = WM8753_FORMATS,
1377 },
1378 .ops = &wm8753_dai_ops_voice_mode,
1379},
1380};
1381
1382static void wm8753_work(struct work_struct *work)
1383{
1384 struct snd_soc_dapm_context *dapm =
1385 container_of(work, struct snd_soc_dapm_context,
1386 delayed_work.work);
1387 struct snd_soc_codec *codec = dapm->codec;
1388 wm8753_set_bias_level(codec, dapm->bias_level);
1389}
1390
1391static int wm8753_suspend(struct snd_soc_codec *codec, pm_message_t state)
1392{
1393 wm8753_set_bias_level(codec, SND_SOC_BIAS_OFF);
1394 return 0;
1395}
1396
1397static int wm8753_resume(struct snd_soc_codec *codec)
1398{
1399 u16 *reg_cache = codec->reg_cache;
1400 int i;
1401
1402 /* Sync reg_cache with the hardware */
1403 for (i = 1; i < ARRAY_SIZE(wm8753_reg); i++) {
1404 if (i == WM8753_RESET)
1405 continue;
1406
1407 /* No point in writing hardware default values back */
1408 if (reg_cache[i] == wm8753_reg[i])
1409 continue;
1410
1411 snd_soc_write(codec, i, reg_cache[i]);
1412 }
1413
1414 wm8753_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1415
1416 /* charge wm8753 caps */
1417 if (codec->dapm.suspend_bias_level == SND_SOC_BIAS_ON) {
1418 wm8753_set_bias_level(codec, SND_SOC_BIAS_PREPARE);
1419 codec->dapm.bias_level = SND_SOC_BIAS_ON;
1420 schedule_delayed_work(&codec->dapm.delayed_work,
1421 msecs_to_jiffies(caps_charge));
1422 }
1423
1424 return 0;
1425}
1426
1427static int wm8753_probe(struct snd_soc_codec *codec)
1428{
1429 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
1430 int ret;
1431
1432 INIT_DELAYED_WORK(&codec->dapm.delayed_work, wm8753_work);
1433
1434 ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8753->control_type);
1435 if (ret < 0) {
1436 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
1437 return ret;
1438 }
1439
1440 ret = wm8753_reset(codec);
1441 if (ret < 0) {
1442 dev_err(codec->dev, "Failed to issue reset: %d\n", ret);
1443 return ret;
1444 }
1445
1446 wm8753_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1447 wm8753->dai_func = 0;
1448
1449 /* charge output caps */
1450 wm8753_set_bias_level(codec, SND_SOC_BIAS_PREPARE);
1451 schedule_delayed_work(&codec->dapm.delayed_work,
1452 msecs_to_jiffies(caps_charge));
1453
1454 /* set the update bits */
1455 snd_soc_update_bits(codec, WM8753_LDAC, 0x0100, 0x0100);
1456 snd_soc_update_bits(codec, WM8753_RDAC, 0x0100, 0x0100);
1457 snd_soc_update_bits(codec, WM8753_LADC, 0x0100, 0x0100);
1458 snd_soc_update_bits(codec, WM8753_RADC, 0x0100, 0x0100);
1459 snd_soc_update_bits(codec, WM8753_LOUT1V, 0x0100, 0x0100);
1460 snd_soc_update_bits(codec, WM8753_ROUT1V, 0x0100, 0x0100);
1461 snd_soc_update_bits(codec, WM8753_LOUT2V, 0x0100, 0x0100);
1462 snd_soc_update_bits(codec, WM8753_ROUT2V, 0x0100, 0x0100);
1463 snd_soc_update_bits(codec, WM8753_LINVOL, 0x0100, 0x0100);
1464 snd_soc_update_bits(codec, WM8753_RINVOL, 0x0100, 0x0100);
1465
1466 snd_soc_add_controls(codec, wm8753_snd_controls,
1467 ARRAY_SIZE(wm8753_snd_controls));
1468 wm8753_add_widgets(codec);
1469
1470 return 0;
1471}
1472
1473/* power down chip */
1474static int wm8753_remove(struct snd_soc_codec *codec)
1475{
1476 flush_delayed_work_sync(&codec->dapm.delayed_work);
1477 wm8753_set_bias_level(codec, SND_SOC_BIAS_OFF);
1478
1479 return 0;
1480}
1481
1482static struct snd_soc_codec_driver soc_codec_dev_wm8753 = {
1483 .probe = wm8753_probe,
1484 .remove = wm8753_remove,
1485 .suspend = wm8753_suspend,
1486 .resume = wm8753_resume,
1487 .set_bias_level = wm8753_set_bias_level,
1488 .reg_cache_size = ARRAY_SIZE(wm8753_reg),
1489 .reg_word_size = sizeof(u16),
1490 .reg_cache_default = wm8753_reg,
1491};
1492
1493#if defined(CONFIG_SPI_MASTER)
1494static int __devinit wm8753_spi_probe(struct spi_device *spi)
1495{
1496 struct wm8753_priv *wm8753;
1497 int ret;
1498
1499 wm8753 = kzalloc(sizeof(struct wm8753_priv), GFP_KERNEL);
1500 if (wm8753 == NULL)
1501 return -ENOMEM;
1502
1503 wm8753->control_type = SND_SOC_SPI;
1504 spi_set_drvdata(spi, wm8753);
1505
1506 ret = snd_soc_register_codec(&spi->dev,
1507 &soc_codec_dev_wm8753, wm8753_dai, ARRAY_SIZE(wm8753_dai));
1508 if (ret < 0)
1509 kfree(wm8753);
1510 return ret;
1511}
1512
1513static int __devexit wm8753_spi_remove(struct spi_device *spi)
1514{
1515 snd_soc_unregister_codec(&spi->dev);
1516 kfree(spi_get_drvdata(spi));
1517 return 0;
1518}
1519
1520static struct spi_driver wm8753_spi_driver = {
1521 .driver = {
1522 .name = "wm8753-codec",
1523 .owner = THIS_MODULE,
1524 },
1525 .probe = wm8753_spi_probe,
1526 .remove = __devexit_p(wm8753_spi_remove),
1527};
1528#endif /* CONFIG_SPI_MASTER */
1529
1530#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1531static __devinit int wm8753_i2c_probe(struct i2c_client *i2c,
1532 const struct i2c_device_id *id)
1533{
1534 struct wm8753_priv *wm8753;
1535 int ret;
1536
1537 wm8753 = kzalloc(sizeof(struct wm8753_priv), GFP_KERNEL);
1538 if (wm8753 == NULL)
1539 return -ENOMEM;
1540
1541 i2c_set_clientdata(i2c, wm8753);
1542 wm8753->control_type = SND_SOC_I2C;
1543
1544 ret = snd_soc_register_codec(&i2c->dev,
1545 &soc_codec_dev_wm8753, wm8753_dai, ARRAY_SIZE(wm8753_dai));
1546 if (ret < 0)
1547 kfree(wm8753);
1548 return ret;
1549}
1550
1551static __devexit int wm8753_i2c_remove(struct i2c_client *client)
1552{
1553 snd_soc_unregister_codec(&client->dev);
1554 kfree(i2c_get_clientdata(client));
1555 return 0;
1556}
1557
1558static const struct i2c_device_id wm8753_i2c_id[] = {
1559 { "wm8753", 0 },
1560 { }
1561};
1562MODULE_DEVICE_TABLE(i2c, wm8753_i2c_id);
1563
1564static struct i2c_driver wm8753_i2c_driver = {
1565 .driver = {
1566 .name = "wm8753-codec",
1567 .owner = THIS_MODULE,
1568 },
1569 .probe = wm8753_i2c_probe,
1570 .remove = __devexit_p(wm8753_i2c_remove),
1571 .id_table = wm8753_i2c_id,
1572};
1573#endif
1574
1575static int __init wm8753_modinit(void)
1576{
1577 int ret = 0;
1578#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1579 ret = i2c_add_driver(&wm8753_i2c_driver);
1580 if (ret != 0) {
1581 printk(KERN_ERR "Failed to register wm8753 I2C driver: %d\n",
1582 ret);
1583 }
1584#endif
1585#if defined(CONFIG_SPI_MASTER)
1586 ret = spi_register_driver(&wm8753_spi_driver);
1587 if (ret != 0) {
1588 printk(KERN_ERR "Failed to register wm8753 SPI driver: %d\n",
1589 ret);
1590 }
1591#endif
1592 return ret;
1593}
1594module_init(wm8753_modinit);
1595
1596static void __exit wm8753_exit(void)
1597{
1598#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1599 i2c_del_driver(&wm8753_i2c_driver);
1600#endif
1601#if defined(CONFIG_SPI_MASTER)
1602 spi_unregister_driver(&wm8753_spi_driver);
1603#endif
1604}
1605module_exit(wm8753_exit);
1606
1607MODULE_DESCRIPTION("ASoC WM8753 driver");
1608MODULE_AUTHOR("Liam Girdwood");
1609MODULE_LICENSE("GPL");