2 * wm8753.c -- WM8753 ALSA Soc Audio driver
4 * Copyright 2003 Wolfson Microelectronics PLC.
5 * Author: Liam Girdwood <lrg@slimlogic.co.uk>
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.
13 * The WM8753 is a low power, high quality stereo codec with integrated PCM
14 * codec designed for portable digital telephony applications.
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
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
27 * Fast DAI switching:-
29 * The driver can now fast switch between the DAI configurations via a
30 * an alsa kcontrol. This allows the PCM to remain open.
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>
40 #include <linux/i2c.h>
41 #include <linux/of_device.h>
42 #include <linux/platform_device.h>
43 #include <linux/spi/spi.h>
44 #include <linux/slab.h>
45 #include <sound/core.h>
46 #include <sound/pcm.h>
47 #include <sound/pcm_params.h>
48 #include <sound/soc.h>
49 #include <sound/initval.h>
50 #include <sound/tlv.h>
51 #include <asm/div64.h>
55 static int caps_charge
= 2000;
56 module_param(caps_charge
, int, 0);
57 MODULE_PARM_DESC(caps_charge
, "WM8753 cap charge time (msecs)");
59 static int wm8753_hifi_write_dai_fmt(struct snd_soc_codec
*codec
,
61 static int wm8753_voice_write_dai_fmt(struct snd_soc_codec
*codec
,
65 * wm8753 register cache
66 * We can't read the WM8753 register space when we
67 * are using 2 wire for device control, so we cache them instead.
69 static const u16 wm8753_reg
[] = {
70 0x0000, 0x0008, 0x0000, 0x000a,
71 0x000a, 0x0033, 0x0000, 0x0007,
72 0x00ff, 0x00ff, 0x000f, 0x000f,
73 0x007b, 0x0000, 0x0032, 0x0000,
74 0x00c3, 0x00c3, 0x00c0, 0x0000,
75 0x0000, 0x0000, 0x0000, 0x0000,
76 0x0000, 0x0000, 0x0000, 0x0000,
77 0x0000, 0x0000, 0x0000, 0x0000,
78 0x0055, 0x0005, 0x0050, 0x0055,
79 0x0050, 0x0055, 0x0050, 0x0055,
80 0x0079, 0x0079, 0x0079, 0x0079,
81 0x0079, 0x0000, 0x0000, 0x0000,
82 0x0000, 0x0097, 0x0097, 0x0000,
83 0x0004, 0x0000, 0x0083, 0x0024,
84 0x01ba, 0x0000, 0x0083, 0x0024,
85 0x01ba, 0x0000, 0x0000, 0x0000
88 /* codec private data */
90 enum snd_soc_control_type control_type
;
94 unsigned int voice_fmt
;
95 unsigned int hifi_fmt
;
100 #define wm8753_reset(c) snd_soc_write(c, WM8753_RESET, 0)
105 static const char *wm8753_base
[] = {"Linear Control", "Adaptive Boost"};
106 static const char *wm8753_base_filter
[] =
107 {"130Hz @ 48kHz", "200Hz @ 48kHz", "100Hz @ 16kHz", "400Hz @ 48kHz",
108 "100Hz @ 8kHz", "200Hz @ 8kHz"};
109 static const char *wm8753_treble
[] = {"8kHz", "4kHz"};
110 static const char *wm8753_alc_func
[] = {"Off", "Right", "Left", "Stereo"};
111 static const char *wm8753_ng_type
[] = {"Constant PGA Gain", "Mute ADC Output"};
112 static const char *wm8753_3d_func
[] = {"Capture", "Playback"};
113 static const char *wm8753_3d_uc
[] = {"2.2kHz", "1.5kHz"};
114 static const char *wm8753_3d_lc
[] = {"200Hz", "500Hz"};
115 static const char *wm8753_deemp
[] = {"None", "32kHz", "44.1kHz", "48kHz"};
116 static const char *wm8753_mono_mix
[] = {"Stereo", "Left", "Right", "Mono"};
117 static const char *wm8753_dac_phase
[] = {"Non Inverted", "Inverted"};
118 static const char *wm8753_line_mix
[] = {"Line 1 + 2", "Line 1 - 2",
120 static const char *wm8753_mono_mux
[] = {"Line Mix", "Rx Mix"};
121 static const char *wm8753_right_mux
[] = {"Line 2", "Rx Mix"};
122 static const char *wm8753_left_mux
[] = {"Line 1", "Rx Mix"};
123 static const char *wm8753_rxmsel
[] = {"RXP - RXN", "RXP + RXN", "RXP", "RXN"};
124 static const char *wm8753_sidetone_mux
[] = {"Left PGA", "Mic 1", "Mic 2",
126 static const char *wm8753_mono2_src
[] = {"Inverted Mono 1", "Left", "Right",
128 static const char *wm8753_out3
[] = {"VREF", "ROUT2", "Left + Right"};
129 static const char *wm8753_out4
[] = {"VREF", "Capture ST", "LOUT2"};
130 static const char *wm8753_radcsel
[] = {"PGA", "Line or RXP-RXN", "Sidetone"};
131 static const char *wm8753_ladcsel
[] = {"PGA", "Line or RXP-RXN", "Line"};
132 static const char *wm8753_mono_adc
[] = {"Stereo", "Analogue Mix Left",
133 "Analogue Mix Right", "Digital Mono Mix"};
134 static const char *wm8753_adc_hp
[] = {"3.4Hz @ 48kHz", "82Hz @ 16k",
135 "82Hz @ 8kHz", "170Hz @ 8kHz"};
136 static const char *wm8753_adc_filter
[] = {"HiFi", "Voice"};
137 static const char *wm8753_mic_sel
[] = {"Mic 1", "Mic 2", "Mic 3"};
138 static const char *wm8753_dai_mode
[] = {"DAI 0", "DAI 1", "DAI 2", "DAI 3"};
139 static const char *wm8753_dat_sel
[] = {"Stereo", "Left ADC", "Right ADC",
141 static const char *wm8753_rout2_phase
[] = {"Non Inverted", "Inverted"};
143 static const struct soc_enum wm8753_enum
[] = {
144 SOC_ENUM_SINGLE(WM8753_BASS
, 7, 2, wm8753_base
),
145 SOC_ENUM_SINGLE(WM8753_BASS
, 4, 6, wm8753_base_filter
),
146 SOC_ENUM_SINGLE(WM8753_TREBLE
, 6, 2, wm8753_treble
),
147 SOC_ENUM_SINGLE(WM8753_ALC1
, 7, 4, wm8753_alc_func
),
148 SOC_ENUM_SINGLE(WM8753_NGATE
, 1, 2, wm8753_ng_type
),
149 SOC_ENUM_SINGLE(WM8753_3D
, 7, 2, wm8753_3d_func
),
150 SOC_ENUM_SINGLE(WM8753_3D
, 6, 2, wm8753_3d_uc
),
151 SOC_ENUM_SINGLE(WM8753_3D
, 5, 2, wm8753_3d_lc
),
152 SOC_ENUM_SINGLE(WM8753_DAC
, 1, 4, wm8753_deemp
),
153 SOC_ENUM_SINGLE(WM8753_DAC
, 4, 4, wm8753_mono_mix
),
154 SOC_ENUM_SINGLE(WM8753_DAC
, 6, 2, wm8753_dac_phase
),
155 SOC_ENUM_SINGLE(WM8753_INCTL1
, 3, 4, wm8753_line_mix
),
156 SOC_ENUM_SINGLE(WM8753_INCTL1
, 2, 2, wm8753_mono_mux
),
157 SOC_ENUM_SINGLE(WM8753_INCTL1
, 1, 2, wm8753_right_mux
),
158 SOC_ENUM_SINGLE(WM8753_INCTL1
, 0, 2, wm8753_left_mux
),
159 SOC_ENUM_SINGLE(WM8753_INCTL2
, 6, 4, wm8753_rxmsel
),
160 SOC_ENUM_SINGLE(WM8753_INCTL2
, 4, 4, wm8753_sidetone_mux
),
161 SOC_ENUM_SINGLE(WM8753_OUTCTL
, 7, 4, wm8753_mono2_src
),
162 SOC_ENUM_SINGLE(WM8753_OUTCTL
, 0, 3, wm8753_out3
),
163 SOC_ENUM_SINGLE(WM8753_ADCTL2
, 7, 3, wm8753_out4
),
164 SOC_ENUM_SINGLE(WM8753_ADCIN
, 2, 3, wm8753_radcsel
),
165 SOC_ENUM_SINGLE(WM8753_ADCIN
, 0, 3, wm8753_ladcsel
),
166 SOC_ENUM_SINGLE(WM8753_ADCIN
, 4, 4, wm8753_mono_adc
),
167 SOC_ENUM_SINGLE(WM8753_ADC
, 2, 4, wm8753_adc_hp
),
168 SOC_ENUM_SINGLE(WM8753_ADC
, 4, 2, wm8753_adc_filter
),
169 SOC_ENUM_SINGLE(WM8753_MICBIAS
, 6, 3, wm8753_mic_sel
),
170 SOC_ENUM_SINGLE(WM8753_IOCTL
, 2, 4, wm8753_dai_mode
),
171 SOC_ENUM_SINGLE(WM8753_ADC
, 7, 4, wm8753_dat_sel
),
172 SOC_ENUM_SINGLE(WM8753_OUTCTL
, 2, 2, wm8753_rout2_phase
),
176 static int wm8753_get_dai(struct snd_kcontrol
*kcontrol
,
177 struct snd_ctl_elem_value
*ucontrol
)
179 struct snd_soc_codec
*codec
= snd_kcontrol_chip(kcontrol
);
180 struct wm8753_priv
*wm8753
= snd_soc_codec_get_drvdata(codec
);
182 ucontrol
->value
.integer
.value
[0] = wm8753
->dai_func
;
186 static int wm8753_set_dai(struct snd_kcontrol
*kcontrol
,
187 struct snd_ctl_elem_value
*ucontrol
)
189 struct snd_soc_codec
*codec
= snd_kcontrol_chip(kcontrol
);
190 struct wm8753_priv
*wm8753
= snd_soc_codec_get_drvdata(codec
);
193 if (wm8753
->dai_func
== ucontrol
->value
.integer
.value
[0])
199 ioctl
= snd_soc_read(codec
, WM8753_IOCTL
);
201 wm8753
->dai_func
= ucontrol
->value
.integer
.value
[0];
203 if (((ioctl
>> 2) & 0x3) == wm8753
->dai_func
)
206 ioctl
= (ioctl
& 0x1f3) | (wm8753
->dai_func
<< 2);
207 snd_soc_write(codec
, WM8753_IOCTL
, ioctl
);
210 wm8753_hifi_write_dai_fmt(codec
, wm8753
->hifi_fmt
);
211 wm8753_voice_write_dai_fmt(codec
, wm8753
->voice_fmt
);
216 static const DECLARE_TLV_DB_SCALE(rec_mix_tlv
, -1500, 300, 0);
217 static const DECLARE_TLV_DB_SCALE(mic_preamp_tlv
, 1200, 600, 0);
218 static const DECLARE_TLV_DB_SCALE(adc_tlv
, -9750, 50, 1);
219 static const DECLARE_TLV_DB_SCALE(dac_tlv
, -12750, 50, 1);
220 static const unsigned int out_tlv
[] = {
221 TLV_DB_RANGE_HEAD(2),
222 /* 0000000 - 0101111 = "Analogue mute" */
223 0, 48, TLV_DB_SCALE_ITEM(-25500, 0, 0),
224 48, 127, TLV_DB_SCALE_ITEM(-7300, 100, 0),
226 static const DECLARE_TLV_DB_SCALE(mix_tlv
, -1500, 300, 0);
227 static const DECLARE_TLV_DB_SCALE(voice_mix_tlv
, -1200, 300, 0);
228 static const DECLARE_TLV_DB_SCALE(pga_tlv
, -1725, 75, 0);
230 static const struct snd_kcontrol_new wm8753_snd_controls
[] = {
231 SOC_DOUBLE_R_TLV("PCM Volume", WM8753_LDAC
, WM8753_RDAC
, 0, 255, 0, dac_tlv
),
233 SOC_DOUBLE_R_TLV("ADC Capture Volume", WM8753_LADC
, WM8753_RADC
, 0, 255, 0,
236 SOC_DOUBLE_R_TLV("Headphone Playback Volume", WM8753_LOUT1V
, WM8753_ROUT1V
,
238 SOC_DOUBLE_R_TLV("Speaker Playback Volume", WM8753_LOUT2V
, WM8753_ROUT2V
, 0,
241 SOC_SINGLE_TLV("Mono Playback Volume", WM8753_MOUTV
, 0, 127, 0, out_tlv
),
243 SOC_DOUBLE_R_TLV("Bypass Playback Volume", WM8753_LOUTM1
, WM8753_ROUTM1
, 4, 7,
245 SOC_DOUBLE_R_TLV("Sidetone Playback Volume", WM8753_LOUTM2
, WM8753_ROUTM2
, 4,
247 SOC_DOUBLE_R_TLV("Voice Playback Volume", WM8753_LOUTM2
, WM8753_ROUTM2
, 0, 7,
250 SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8753_LOUT1V
, WM8753_ROUT1V
, 7,
252 SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8753_LOUT2V
, WM8753_ROUT2V
, 7,
255 SOC_SINGLE_TLV("Mono Bypass Playback Volume", WM8753_MOUTM1
, 4, 7, 1, mix_tlv
),
256 SOC_SINGLE_TLV("Mono Sidetone Playback Volume", WM8753_MOUTM2
, 4, 7, 1,
258 SOC_SINGLE_TLV("Mono Voice Playback Volume", WM8753_MOUTM2
, 0, 7, 1,
260 SOC_SINGLE("Mono Playback ZC Switch", WM8753_MOUTV
, 7, 1, 0),
262 SOC_ENUM("Bass Boost", wm8753_enum
[0]),
263 SOC_ENUM("Bass Filter", wm8753_enum
[1]),
264 SOC_SINGLE("Bass Volume", WM8753_BASS
, 0, 15, 1),
266 SOC_SINGLE("Treble Volume", WM8753_TREBLE
, 0, 15, 1),
267 SOC_ENUM("Treble Cut-off", wm8753_enum
[2]),
269 SOC_DOUBLE_TLV("Sidetone Capture Volume", WM8753_RECMIX1
, 0, 4, 7, 1,
271 SOC_SINGLE_TLV("Voice Sidetone Capture Volume", WM8753_RECMIX2
, 0, 7, 1,
274 SOC_DOUBLE_R_TLV("Capture Volume", WM8753_LINVOL
, WM8753_RINVOL
, 0, 63, 0,
276 SOC_DOUBLE_R("Capture ZC Switch", WM8753_LINVOL
, WM8753_RINVOL
, 6, 1, 0),
277 SOC_DOUBLE_R("Capture Switch", WM8753_LINVOL
, WM8753_RINVOL
, 7, 1, 1),
279 SOC_ENUM("Capture Filter Select", wm8753_enum
[23]),
280 SOC_ENUM("Capture Filter Cut-off", wm8753_enum
[24]),
281 SOC_SINGLE("Capture Filter Switch", WM8753_ADC
, 0, 1, 1),
283 SOC_SINGLE("ALC Capture Target Volume", WM8753_ALC1
, 0, 7, 0),
284 SOC_SINGLE("ALC Capture Max Volume", WM8753_ALC1
, 4, 7, 0),
285 SOC_ENUM("ALC Capture Function", wm8753_enum
[3]),
286 SOC_SINGLE("ALC Capture ZC Switch", WM8753_ALC2
, 8, 1, 0),
287 SOC_SINGLE("ALC Capture Hold Time", WM8753_ALC2
, 0, 15, 1),
288 SOC_SINGLE("ALC Capture Decay Time", WM8753_ALC3
, 4, 15, 1),
289 SOC_SINGLE("ALC Capture Attack Time", WM8753_ALC3
, 0, 15, 0),
290 SOC_SINGLE("ALC Capture NG Threshold", WM8753_NGATE
, 3, 31, 0),
291 SOC_ENUM("ALC Capture NG Type", wm8753_enum
[4]),
292 SOC_SINGLE("ALC Capture NG Switch", WM8753_NGATE
, 0, 1, 0),
294 SOC_ENUM("3D Function", wm8753_enum
[5]),
295 SOC_ENUM("3D Upper Cut-off", wm8753_enum
[6]),
296 SOC_ENUM("3D Lower Cut-off", wm8753_enum
[7]),
297 SOC_SINGLE("3D Volume", WM8753_3D
, 1, 15, 0),
298 SOC_SINGLE("3D Switch", WM8753_3D
, 0, 1, 0),
300 SOC_SINGLE("Capture 6dB Attenuate", WM8753_ADCTL1
, 2, 1, 0),
301 SOC_SINGLE("Playback 6dB Attenuate", WM8753_ADCTL1
, 1, 1, 0),
303 SOC_ENUM("De-emphasis", wm8753_enum
[8]),
304 SOC_ENUM("Playback Mono Mix", wm8753_enum
[9]),
305 SOC_ENUM("Playback Phase", wm8753_enum
[10]),
307 SOC_SINGLE_TLV("Mic2 Capture Volume", WM8753_INCTL1
, 7, 3, 0, mic_preamp_tlv
),
308 SOC_SINGLE_TLV("Mic1 Capture Volume", WM8753_INCTL1
, 5, 3, 0, mic_preamp_tlv
),
310 SOC_ENUM_EXT("DAI Mode", wm8753_enum
[26], wm8753_get_dai
, wm8753_set_dai
),
312 SOC_ENUM("ADC Data Select", wm8753_enum
[27]),
313 SOC_ENUM("ROUT2 Phase", wm8753_enum
[28]),
321 static const struct snd_kcontrol_new wm8753_left_mixer_controls
[] = {
322 SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_LOUTM2
, 8, 1, 0),
323 SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_LOUTM2
, 7, 1, 0),
324 SOC_DAPM_SINGLE("Left Playback Switch", WM8753_LOUTM1
, 8, 1, 0),
325 SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_LOUTM1
, 7, 1, 0),
329 static const struct snd_kcontrol_new wm8753_right_mixer_controls
[] = {
330 SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_ROUTM2
, 8, 1, 0),
331 SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_ROUTM2
, 7, 1, 0),
332 SOC_DAPM_SINGLE("Right Playback Switch", WM8753_ROUTM1
, 8, 1, 0),
333 SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_ROUTM1
, 7, 1, 0),
337 static const struct snd_kcontrol_new wm8753_mono_mixer_controls
[] = {
338 SOC_DAPM_SINGLE("Left Playback Switch", WM8753_MOUTM1
, 8, 1, 0),
339 SOC_DAPM_SINGLE("Right Playback Switch", WM8753_MOUTM2
, 8, 1, 0),
340 SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_MOUTM2
, 3, 1, 0),
341 SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_MOUTM2
, 7, 1, 0),
342 SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_MOUTM1
, 7, 1, 0),
346 static const struct snd_kcontrol_new wm8753_mono2_controls
=
347 SOC_DAPM_ENUM("Route", wm8753_enum
[17]);
350 static const struct snd_kcontrol_new wm8753_out3_controls
=
351 SOC_DAPM_ENUM("Route", wm8753_enum
[18]);
354 static const struct snd_kcontrol_new wm8753_out4_controls
=
355 SOC_DAPM_ENUM("Route", wm8753_enum
[19]);
358 static const struct snd_kcontrol_new wm8753_adc_mono_controls
=
359 SOC_DAPM_ENUM("Route", wm8753_enum
[22]);
362 static const struct snd_kcontrol_new wm8753_record_mixer_controls
[] = {
363 SOC_DAPM_SINGLE("Voice Capture Switch", WM8753_RECMIX2
, 3, 1, 0),
364 SOC_DAPM_SINGLE("Left Capture Switch", WM8753_RECMIX1
, 3, 1, 0),
365 SOC_DAPM_SINGLE("Right Capture Switch", WM8753_RECMIX1
, 7, 1, 0),
369 static const struct snd_kcontrol_new wm8753_adc_left_controls
=
370 SOC_DAPM_ENUM("Route", wm8753_enum
[21]);
373 static const struct snd_kcontrol_new wm8753_adc_right_controls
=
374 SOC_DAPM_ENUM("Route", wm8753_enum
[20]);
377 static const struct snd_kcontrol_new wm8753_mic_mux_controls
=
378 SOC_DAPM_ENUM("Route", wm8753_enum
[16]);
381 static const struct snd_kcontrol_new wm8753_alc_mixer_controls
[] = {
382 SOC_DAPM_SINGLE("Line Capture Switch", WM8753_INCTL2
, 3, 1, 0),
383 SOC_DAPM_SINGLE("Mic2 Capture Switch", WM8753_INCTL2
, 2, 1, 0),
384 SOC_DAPM_SINGLE("Mic1 Capture Switch", WM8753_INCTL2
, 1, 1, 0),
385 SOC_DAPM_SINGLE("Rx Capture Switch", WM8753_INCTL2
, 0, 1, 0),
389 static const struct snd_kcontrol_new wm8753_line_left_controls
=
390 SOC_DAPM_ENUM("Route", wm8753_enum
[14]);
393 static const struct snd_kcontrol_new wm8753_line_right_controls
=
394 SOC_DAPM_ENUM("Route", wm8753_enum
[13]);
397 static const struct snd_kcontrol_new wm8753_line_mono_controls
=
398 SOC_DAPM_ENUM("Route", wm8753_enum
[12]);
400 /* Line mux and mixer */
401 static const struct snd_kcontrol_new wm8753_line_mux_mix_controls
=
402 SOC_DAPM_ENUM("Route", wm8753_enum
[11]);
404 /* Rx mux and mixer */
405 static const struct snd_kcontrol_new wm8753_rx_mux_mix_controls
=
406 SOC_DAPM_ENUM("Route", wm8753_enum
[15]);
408 /* Mic Selector Mux */
409 static const struct snd_kcontrol_new wm8753_mic_sel_mux_controls
=
410 SOC_DAPM_ENUM("Route", wm8753_enum
[25]);
412 static const struct snd_soc_dapm_widget wm8753_dapm_widgets
[] = {
413 SND_SOC_DAPM_MICBIAS("Mic Bias", WM8753_PWR1
, 5, 0),
414 SND_SOC_DAPM_MIXER("Left Mixer", WM8753_PWR4
, 0, 0,
415 &wm8753_left_mixer_controls
[0], ARRAY_SIZE(wm8753_left_mixer_controls
)),
416 SND_SOC_DAPM_PGA("Left Out 1", WM8753_PWR3
, 8, 0, NULL
, 0),
417 SND_SOC_DAPM_PGA("Left Out 2", WM8753_PWR3
, 6, 0, NULL
, 0),
418 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", WM8753_PWR1
, 3, 0),
419 SND_SOC_DAPM_OUTPUT("LOUT1"),
420 SND_SOC_DAPM_OUTPUT("LOUT2"),
421 SND_SOC_DAPM_MIXER("Right Mixer", WM8753_PWR4
, 1, 0,
422 &wm8753_right_mixer_controls
[0], ARRAY_SIZE(wm8753_right_mixer_controls
)),
423 SND_SOC_DAPM_PGA("Right Out 1", WM8753_PWR3
, 7, 0, NULL
, 0),
424 SND_SOC_DAPM_PGA("Right Out 2", WM8753_PWR3
, 5, 0, NULL
, 0),
425 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", WM8753_PWR1
, 2, 0),
426 SND_SOC_DAPM_OUTPUT("ROUT1"),
427 SND_SOC_DAPM_OUTPUT("ROUT2"),
428 SND_SOC_DAPM_MIXER("Mono Mixer", WM8753_PWR4
, 2, 0,
429 &wm8753_mono_mixer_controls
[0], ARRAY_SIZE(wm8753_mono_mixer_controls
)),
430 SND_SOC_DAPM_PGA("Mono Out 1", WM8753_PWR3
, 2, 0, NULL
, 0),
431 SND_SOC_DAPM_PGA("Mono Out 2", WM8753_PWR3
, 1, 0, NULL
, 0),
432 SND_SOC_DAPM_DAC("Voice DAC", "Voice Playback", WM8753_PWR1
, 4, 0),
433 SND_SOC_DAPM_OUTPUT("MONO1"),
434 SND_SOC_DAPM_MUX("Mono 2 Mux", SND_SOC_NOPM
, 0, 0, &wm8753_mono2_controls
),
435 SND_SOC_DAPM_OUTPUT("MONO2"),
436 SND_SOC_DAPM_MIXER("Out3 Left + Right", -1, 0, 0, NULL
, 0),
437 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM
, 0, 0, &wm8753_out3_controls
),
438 SND_SOC_DAPM_PGA("Out 3", WM8753_PWR3
, 4, 0, NULL
, 0),
439 SND_SOC_DAPM_OUTPUT("OUT3"),
440 SND_SOC_DAPM_MUX("Out4 Mux", SND_SOC_NOPM
, 0, 0, &wm8753_out4_controls
),
441 SND_SOC_DAPM_PGA("Out 4", WM8753_PWR3
, 3, 0, NULL
, 0),
442 SND_SOC_DAPM_OUTPUT("OUT4"),
443 SND_SOC_DAPM_MIXER("Playback Mixer", WM8753_PWR4
, 3, 0,
444 &wm8753_record_mixer_controls
[0],
445 ARRAY_SIZE(wm8753_record_mixer_controls
)),
446 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8753_PWR2
, 3, 0),
447 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8753_PWR2
, 2, 0),
448 SND_SOC_DAPM_MUX("Capture Left Mixer", SND_SOC_NOPM
, 0, 0,
449 &wm8753_adc_mono_controls
),
450 SND_SOC_DAPM_MUX("Capture Right Mixer", SND_SOC_NOPM
, 0, 0,
451 &wm8753_adc_mono_controls
),
452 SND_SOC_DAPM_MUX("Capture Left Mux", SND_SOC_NOPM
, 0, 0,
453 &wm8753_adc_left_controls
),
454 SND_SOC_DAPM_MUX("Capture Right Mux", SND_SOC_NOPM
, 0, 0,
455 &wm8753_adc_right_controls
),
456 SND_SOC_DAPM_MUX("Mic Sidetone Mux", SND_SOC_NOPM
, 0, 0,
457 &wm8753_mic_mux_controls
),
458 SND_SOC_DAPM_PGA("Left Capture Volume", WM8753_PWR2
, 5, 0, NULL
, 0),
459 SND_SOC_DAPM_PGA("Right Capture Volume", WM8753_PWR2
, 4, 0, NULL
, 0),
460 SND_SOC_DAPM_MIXER("ALC Mixer", WM8753_PWR2
, 6, 0,
461 &wm8753_alc_mixer_controls
[0], ARRAY_SIZE(wm8753_alc_mixer_controls
)),
462 SND_SOC_DAPM_MUX("Line Left Mux", SND_SOC_NOPM
, 0, 0,
463 &wm8753_line_left_controls
),
464 SND_SOC_DAPM_MUX("Line Right Mux", SND_SOC_NOPM
, 0, 0,
465 &wm8753_line_right_controls
),
466 SND_SOC_DAPM_MUX("Line Mono Mux", SND_SOC_NOPM
, 0, 0,
467 &wm8753_line_mono_controls
),
468 SND_SOC_DAPM_MUX("Line Mixer", WM8753_PWR2
, 0, 0,
469 &wm8753_line_mux_mix_controls
),
470 SND_SOC_DAPM_MUX("Rx Mixer", WM8753_PWR2
, 1, 0,
471 &wm8753_rx_mux_mix_controls
),
472 SND_SOC_DAPM_PGA("Mic 1 Volume", WM8753_PWR2
, 8, 0, NULL
, 0),
473 SND_SOC_DAPM_PGA("Mic 2 Volume", WM8753_PWR2
, 7, 0, NULL
, 0),
474 SND_SOC_DAPM_MUX("Mic Selection Mux", SND_SOC_NOPM
, 0, 0,
475 &wm8753_mic_sel_mux_controls
),
476 SND_SOC_DAPM_INPUT("LINE1"),
477 SND_SOC_DAPM_INPUT("LINE2"),
478 SND_SOC_DAPM_INPUT("RXP"),
479 SND_SOC_DAPM_INPUT("RXN"),
480 SND_SOC_DAPM_INPUT("ACIN"),
481 SND_SOC_DAPM_OUTPUT("ACOP"),
482 SND_SOC_DAPM_INPUT("MIC1N"),
483 SND_SOC_DAPM_INPUT("MIC1"),
484 SND_SOC_DAPM_INPUT("MIC2N"),
485 SND_SOC_DAPM_INPUT("MIC2"),
486 SND_SOC_DAPM_VMID("VREF"),
489 static const struct snd_soc_dapm_route audio_map
[] = {
491 {"Left Mixer", "Left Playback Switch", "Left DAC"},
492 {"Left Mixer", "Voice Playback Switch", "Voice DAC"},
493 {"Left Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"},
494 {"Left Mixer", "Bypass Playback Switch", "Line Left Mux"},
497 {"Right Mixer", "Right Playback Switch", "Right DAC"},
498 {"Right Mixer", "Voice Playback Switch", "Voice DAC"},
499 {"Right Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"},
500 {"Right Mixer", "Bypass Playback Switch", "Line Right Mux"},
503 {"Mono Mixer", "Voice Playback Switch", "Voice DAC"},
504 {"Mono Mixer", "Left Playback Switch", "Left DAC"},
505 {"Mono Mixer", "Right Playback Switch", "Right DAC"},
506 {"Mono Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"},
507 {"Mono Mixer", "Bypass Playback Switch", "Line Mono Mux"},
510 {"Left Out 1", NULL
, "Left Mixer"},
511 {"Left Out 2", NULL
, "Left Mixer"},
512 {"LOUT1", NULL
, "Left Out 1"},
513 {"LOUT2", NULL
, "Left Out 2"},
516 {"Right Out 1", NULL
, "Right Mixer"},
517 {"Right Out 2", NULL
, "Right Mixer"},
518 {"ROUT1", NULL
, "Right Out 1"},
519 {"ROUT2", NULL
, "Right Out 2"},
522 {"Mono Out 1", NULL
, "Mono Mixer"},
523 {"MONO1", NULL
, "Mono Out 1"},
526 {"Mono 2 Mux", "Left + Right", "Out3 Left + Right"},
527 {"Mono 2 Mux", "Inverted Mono 1", "MONO1"},
528 {"Mono 2 Mux", "Left", "Left Mixer"},
529 {"Mono 2 Mux", "Right", "Right Mixer"},
530 {"Mono Out 2", NULL
, "Mono 2 Mux"},
531 {"MONO2", NULL
, "Mono Out 2"},
534 {"Out3 Left + Right", NULL
, "Left Mixer"},
535 {"Out3 Left + Right", NULL
, "Right Mixer"},
536 {"Out3 Mux", "VREF", "VREF"},
537 {"Out3 Mux", "Left + Right", "Out3 Left + Right"},
538 {"Out3 Mux", "ROUT2", "ROUT2"},
539 {"Out 3", NULL
, "Out3 Mux"},
540 {"OUT3", NULL
, "Out 3"},
543 {"Out4 Mux", "VREF", "VREF"},
544 {"Out4 Mux", "Capture ST", "Playback Mixer"},
545 {"Out4 Mux", "LOUT2", "LOUT2"},
546 {"Out 4", NULL
, "Out4 Mux"},
547 {"OUT4", NULL
, "Out 4"},
550 {"Playback Mixer", "Left Capture Switch", "Left Mixer"},
551 {"Playback Mixer", "Voice Capture Switch", "Mono Mixer"},
552 {"Playback Mixer", "Right Capture Switch", "Right Mixer"},
554 /* Mic/SideTone Mux */
555 {"Mic Sidetone Mux", "Left PGA", "Left Capture Volume"},
556 {"Mic Sidetone Mux", "Right PGA", "Right Capture Volume"},
557 {"Mic Sidetone Mux", "Mic 1", "Mic 1 Volume"},
558 {"Mic Sidetone Mux", "Mic 2", "Mic 2 Volume"},
560 /* Capture Left Mux */
561 {"Capture Left Mux", "PGA", "Left Capture Volume"},
562 {"Capture Left Mux", "Line or RXP-RXN", "Line Left Mux"},
563 {"Capture Left Mux", "Line", "LINE1"},
565 /* Capture Right Mux */
566 {"Capture Right Mux", "PGA", "Right Capture Volume"},
567 {"Capture Right Mux", "Line or RXP-RXN", "Line Right Mux"},
568 {"Capture Right Mux", "Sidetone", "Playback Mixer"},
570 /* Mono Capture mixer-mux */
571 {"Capture Right Mixer", "Stereo", "Capture Right Mux"},
572 {"Capture Left Mixer", "Stereo", "Capture Left Mux"},
573 {"Capture Left Mixer", "Analogue Mix Left", "Capture Left Mux"},
574 {"Capture Left Mixer", "Analogue Mix Left", "Capture Right Mux"},
575 {"Capture Right Mixer", "Analogue Mix Right", "Capture Left Mux"},
576 {"Capture Right Mixer", "Analogue Mix Right", "Capture Right Mux"},
577 {"Capture Left Mixer", "Digital Mono Mix", "Capture Left Mux"},
578 {"Capture Left Mixer", "Digital Mono Mix", "Capture Right Mux"},
579 {"Capture Right Mixer", "Digital Mono Mix", "Capture Left Mux"},
580 {"Capture Right Mixer", "Digital Mono Mix", "Capture Right Mux"},
583 {"Left ADC", NULL
, "Capture Left Mixer"},
584 {"Right ADC", NULL
, "Capture Right Mixer"},
586 /* Left Capture Volume */
587 {"Left Capture Volume", NULL
, "ACIN"},
589 /* Right Capture Volume */
590 {"Right Capture Volume", NULL
, "Mic 2 Volume"},
593 {"ALC Mixer", "Line Capture Switch", "Line Mixer"},
594 {"ALC Mixer", "Mic2 Capture Switch", "Mic 2 Volume"},
595 {"ALC Mixer", "Mic1 Capture Switch", "Mic 1 Volume"},
596 {"ALC Mixer", "Rx Capture Switch", "Rx Mixer"},
599 {"Line Left Mux", "Line 1", "LINE1"},
600 {"Line Left Mux", "Rx Mix", "Rx Mixer"},
603 {"Line Right Mux", "Line 2", "LINE2"},
604 {"Line Right Mux", "Rx Mix", "Rx Mixer"},
607 {"Line Mono Mux", "Line Mix", "Line Mixer"},
608 {"Line Mono Mux", "Rx Mix", "Rx Mixer"},
611 {"Line Mixer", "Line 1 + 2", "LINE1"},
612 {"Line Mixer", "Line 1 - 2", "LINE1"},
613 {"Line Mixer", "Line 1 + 2", "LINE2"},
614 {"Line Mixer", "Line 1 - 2", "LINE2"},
615 {"Line Mixer", "Line 1", "LINE1"},
616 {"Line Mixer", "Line 2", "LINE2"},
619 {"Rx Mixer", "RXP - RXN", "RXP"},
620 {"Rx Mixer", "RXP + RXN", "RXP"},
621 {"Rx Mixer", "RXP - RXN", "RXN"},
622 {"Rx Mixer", "RXP + RXN", "RXN"},
623 {"Rx Mixer", "RXP", "RXP"},
624 {"Rx Mixer", "RXN", "RXN"},
627 {"Mic 1 Volume", NULL
, "MIC1N"},
628 {"Mic 1 Volume", NULL
, "Mic Selection Mux"},
631 {"Mic 2 Volume", NULL
, "MIC2N"},
632 {"Mic 2 Volume", NULL
, "MIC2"},
634 /* Mic Selector Mux */
635 {"Mic Selection Mux", "Mic 1", "MIC1"},
636 {"Mic Selection Mux", "Mic 2", "MIC2N"},
637 {"Mic Selection Mux", "Mic 3", "MIC2"},
640 {"ACOP", NULL
, "ALC Mixer"},
643 static int wm8753_add_widgets(struct snd_soc_codec
*codec
)
645 struct snd_soc_dapm_context
*dapm
= &codec
->dapm
;
647 snd_soc_dapm_new_controls(dapm
, wm8753_dapm_widgets
,
648 ARRAY_SIZE(wm8753_dapm_widgets
));
649 snd_soc_dapm_add_routes(dapm
, audio_map
, ARRAY_SIZE(audio_map
));
661 /* The size in bits of the pll divide multiplied by 10
662 * to allow rounding later */
663 #define FIXED_PLL_SIZE ((1 << 22) * 10)
665 static void pll_factors(struct _pll_div
*pll_div
, unsigned int target
,
669 unsigned int K
, Ndiv
, Nmod
;
671 Ndiv
= target
/ source
;
675 Ndiv
= target
/ source
;
679 if ((Ndiv
< 6) || (Ndiv
> 12))
681 "wm8753: unsupported N = %u\n", Ndiv
);
684 Nmod
= target
% source
;
685 Kpart
= FIXED_PLL_SIZE
* (long long)Nmod
;
687 do_div(Kpart
, source
);
689 K
= Kpart
& 0xFFFFFFFF;
691 /* Check if we need to round */
695 /* Move down to proper range now rounding is done */
701 static int wm8753_set_dai_pll(struct snd_soc_dai
*codec_dai
, int pll_id
,
702 int source
, unsigned int freq_in
, unsigned int freq_out
)
706 struct snd_soc_codec
*codec
= codec_dai
->codec
;
708 if (pll_id
< WM8753_PLL1
|| pll_id
> WM8753_PLL2
)
711 if (pll_id
== WM8753_PLL1
) {
714 reg
= snd_soc_read(codec
, WM8753_CLOCK
) & 0xffef;
718 reg
= snd_soc_read(codec
, WM8753_CLOCK
) & 0xfff7;
721 if (!freq_in
|| !freq_out
) {
723 snd_soc_write(codec
, WM8753_PLL1CTL1
+ offset
, 0x0026);
724 snd_soc_write(codec
, WM8753_CLOCK
, reg
);
728 struct _pll_div pll_div
;
730 pll_factors(&pll_div
, freq_out
* 8, freq_in
);
732 /* set up N and K PLL divisor ratios */
733 /* bits 8:5 = PLL_N, bits 3:0 = PLL_K[21:18] */
734 value
= (pll_div
.n
<< 5) + ((pll_div
.k
& 0x3c0000) >> 18);
735 snd_soc_write(codec
, WM8753_PLL1CTL2
+ offset
, value
);
737 /* bits 8:0 = PLL_K[17:9] */
738 value
= (pll_div
.k
& 0x03fe00) >> 9;
739 snd_soc_write(codec
, WM8753_PLL1CTL3
+ offset
, value
);
741 /* bits 8:0 = PLL_K[8:0] */
742 value
= pll_div
.k
& 0x0001ff;
743 snd_soc_write(codec
, WM8753_PLL1CTL4
+ offset
, value
);
745 /* set PLL as input and enable */
746 snd_soc_write(codec
, WM8753_PLL1CTL1
+ offset
, 0x0027 |
747 (pll_div
.div2
<< 3));
748 snd_soc_write(codec
, WM8753_CLOCK
, reg
| enable
);
760 /* codec hifi mclk (after PLL) clock divider coefficients */
761 static const struct _coeff_div coeff_div
[] = {
763 {12288000, 8000, 0x6, 0x0},
764 {11289600, 8000, 0x16, 0x0},
765 {18432000, 8000, 0x7, 0x0},
766 {16934400, 8000, 0x17, 0x0},
767 {12000000, 8000, 0x6, 0x1},
770 {11289600, 11025, 0x18, 0x0},
771 {16934400, 11025, 0x19, 0x0},
772 {12000000, 11025, 0x19, 0x1},
775 {12288000, 16000, 0xa, 0x0},
776 {18432000, 16000, 0xb, 0x0},
777 {12000000, 16000, 0xa, 0x1},
780 {11289600, 22050, 0x1a, 0x0},
781 {16934400, 22050, 0x1b, 0x0},
782 {12000000, 22050, 0x1b, 0x1},
785 {12288000, 32000, 0xc, 0x0},
786 {18432000, 32000, 0xd, 0x0},
787 {12000000, 32000, 0xa, 0x1},
790 {11289600, 44100, 0x10, 0x0},
791 {16934400, 44100, 0x11, 0x0},
792 {12000000, 44100, 0x11, 0x1},
795 {12288000, 48000, 0x0, 0x0},
796 {18432000, 48000, 0x1, 0x0},
797 {12000000, 48000, 0x0, 0x1},
800 {11289600, 88200, 0x1e, 0x0},
801 {16934400, 88200, 0x1f, 0x0},
802 {12000000, 88200, 0x1f, 0x1},
805 {12288000, 96000, 0xe, 0x0},
806 {18432000, 96000, 0xf, 0x0},
807 {12000000, 96000, 0xe, 0x1},
810 static int get_coeff(int mclk
, int rate
)
814 for (i
= 0; i
< ARRAY_SIZE(coeff_div
); i
++) {
815 if (coeff_div
[i
].rate
== rate
&& coeff_div
[i
].mclk
== mclk
)
822 * Clock after PLL and dividers
824 static int wm8753_set_dai_sysclk(struct snd_soc_dai
*codec_dai
,
825 int clk_id
, unsigned int freq
, int dir
)
827 struct snd_soc_codec
*codec
= codec_dai
->codec
;
828 struct wm8753_priv
*wm8753
= snd_soc_codec_get_drvdata(codec
);
836 if (clk_id
== WM8753_MCLK
) {
837 wm8753
->sysclk
= freq
;
839 } else if (clk_id
== WM8753_PCMCLK
) {
840 wm8753
->pcmclk
= freq
;
849 * Set's ADC and Voice DAC format.
851 static int wm8753_vdac_adc_set_dai_fmt(struct snd_soc_codec
*codec
,
854 u16 voice
= snd_soc_read(codec
, WM8753_PCM
) & 0x01ec;
856 /* interface format */
857 switch (fmt
& SND_SOC_DAIFMT_FORMAT_MASK
) {
858 case SND_SOC_DAIFMT_I2S
:
861 case SND_SOC_DAIFMT_RIGHT_J
:
863 case SND_SOC_DAIFMT_LEFT_J
:
866 case SND_SOC_DAIFMT_DSP_A
:
869 case SND_SOC_DAIFMT_DSP_B
:
876 snd_soc_write(codec
, WM8753_PCM
, voice
);
881 * Set PCM DAI bit size and sample rate.
883 static int wm8753_pcm_hw_params(struct snd_pcm_substream
*substream
,
884 struct snd_pcm_hw_params
*params
,
885 struct snd_soc_dai
*dai
)
887 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
888 struct snd_soc_codec
*codec
= rtd
->codec
;
889 struct wm8753_priv
*wm8753
= snd_soc_codec_get_drvdata(codec
);
890 u16 voice
= snd_soc_read(codec
, WM8753_PCM
) & 0x01f3;
891 u16 srate
= snd_soc_read(codec
, WM8753_SRATE1
) & 0x017f;
894 switch (params_format(params
)) {
895 case SNDRV_PCM_FORMAT_S16_LE
:
897 case SNDRV_PCM_FORMAT_S20_3LE
:
900 case SNDRV_PCM_FORMAT_S24_LE
:
903 case SNDRV_PCM_FORMAT_S32_LE
:
909 if (params_rate(params
) * 384 == wm8753
->pcmclk
)
911 snd_soc_write(codec
, WM8753_SRATE1
, srate
);
913 snd_soc_write(codec
, WM8753_PCM
, voice
);
918 * Set's PCM dai fmt and BCLK.
920 static int wm8753_pcm_set_dai_fmt(struct snd_soc_codec
*codec
,
925 voice
= snd_soc_read(codec
, WM8753_PCM
) & 0x011f;
926 ioctl
= snd_soc_read(codec
, WM8753_IOCTL
) & 0x015d;
928 /* set master/slave audio interface */
929 switch (fmt
& SND_SOC_DAIFMT_MASTER_MASK
) {
930 case SND_SOC_DAIFMT_CBS_CFS
:
932 case SND_SOC_DAIFMT_CBM_CFM
:
934 case SND_SOC_DAIFMT_CBM_CFS
:
941 /* clock inversion */
942 switch (fmt
& SND_SOC_DAIFMT_FORMAT_MASK
) {
943 case SND_SOC_DAIFMT_DSP_A
:
944 case SND_SOC_DAIFMT_DSP_B
:
945 /* frame inversion not valid for DSP modes */
946 switch (fmt
& SND_SOC_DAIFMT_INV_MASK
) {
947 case SND_SOC_DAIFMT_NB_NF
:
949 case SND_SOC_DAIFMT_IB_NF
:
956 case SND_SOC_DAIFMT_I2S
:
957 case SND_SOC_DAIFMT_RIGHT_J
:
958 case SND_SOC_DAIFMT_LEFT_J
:
960 switch (fmt
& SND_SOC_DAIFMT_INV_MASK
) {
961 case SND_SOC_DAIFMT_NB_NF
:
963 case SND_SOC_DAIFMT_IB_IF
:
966 case SND_SOC_DAIFMT_IB_NF
:
969 case SND_SOC_DAIFMT_NB_IF
:
980 snd_soc_write(codec
, WM8753_PCM
, voice
);
981 snd_soc_write(codec
, WM8753_IOCTL
, ioctl
);
985 static int wm8753_set_dai_clkdiv(struct snd_soc_dai
*codec_dai
,
988 struct snd_soc_codec
*codec
= codec_dai
->codec
;
993 reg
= snd_soc_read(codec
, WM8753_CLOCK
) & 0x003f;
994 snd_soc_write(codec
, WM8753_CLOCK
, reg
| div
);
997 reg
= snd_soc_read(codec
, WM8753_SRATE2
) & 0x01c7;
998 snd_soc_write(codec
, WM8753_SRATE2
, reg
| div
);
1000 case WM8753_VXCLKDIV
:
1001 reg
= snd_soc_read(codec
, WM8753_SRATE2
) & 0x003f;
1002 snd_soc_write(codec
, WM8753_SRATE2
, reg
| div
);
1011 * Set's HiFi DAC format.
1013 static int wm8753_hdac_set_dai_fmt(struct snd_soc_codec
*codec
,
1016 u16 hifi
= snd_soc_read(codec
, WM8753_HIFI
) & 0x01e0;
1018 /* interface format */
1019 switch (fmt
& SND_SOC_DAIFMT_FORMAT_MASK
) {
1020 case SND_SOC_DAIFMT_I2S
:
1023 case SND_SOC_DAIFMT_RIGHT_J
:
1025 case SND_SOC_DAIFMT_LEFT_J
:
1028 case SND_SOC_DAIFMT_DSP_A
:
1031 case SND_SOC_DAIFMT_DSP_B
:
1038 snd_soc_write(codec
, WM8753_HIFI
, hifi
);
1043 * Set's I2S DAI format.
1045 static int wm8753_i2s_set_dai_fmt(struct snd_soc_codec
*codec
,
1050 hifi
= snd_soc_read(codec
, WM8753_HIFI
) & 0x011f;
1051 ioctl
= snd_soc_read(codec
, WM8753_IOCTL
) & 0x00ae;
1053 /* set master/slave audio interface */
1054 switch (fmt
& SND_SOC_DAIFMT_MASTER_MASK
) {
1055 case SND_SOC_DAIFMT_CBS_CFS
:
1057 case SND_SOC_DAIFMT_CBM_CFM
:
1059 case SND_SOC_DAIFMT_CBM_CFS
:
1066 /* clock inversion */
1067 switch (fmt
& SND_SOC_DAIFMT_FORMAT_MASK
) {
1068 case SND_SOC_DAIFMT_DSP_A
:
1069 case SND_SOC_DAIFMT_DSP_B
:
1070 /* frame inversion not valid for DSP modes */
1071 switch (fmt
& SND_SOC_DAIFMT_INV_MASK
) {
1072 case SND_SOC_DAIFMT_NB_NF
:
1074 case SND_SOC_DAIFMT_IB_NF
:
1081 case SND_SOC_DAIFMT_I2S
:
1082 case SND_SOC_DAIFMT_RIGHT_J
:
1083 case SND_SOC_DAIFMT_LEFT_J
:
1085 switch (fmt
& SND_SOC_DAIFMT_INV_MASK
) {
1086 case SND_SOC_DAIFMT_NB_NF
:
1088 case SND_SOC_DAIFMT_IB_IF
:
1091 case SND_SOC_DAIFMT_IB_NF
:
1094 case SND_SOC_DAIFMT_NB_IF
:
1105 snd_soc_write(codec
, WM8753_HIFI
, hifi
);
1106 snd_soc_write(codec
, WM8753_IOCTL
, ioctl
);
1111 * Set PCM DAI bit size and sample rate.
1113 static int wm8753_i2s_hw_params(struct snd_pcm_substream
*substream
,
1114 struct snd_pcm_hw_params
*params
,
1115 struct snd_soc_dai
*dai
)
1117 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
1118 struct snd_soc_codec
*codec
= rtd
->codec
;
1119 struct wm8753_priv
*wm8753
= snd_soc_codec_get_drvdata(codec
);
1120 u16 srate
= snd_soc_read(codec
, WM8753_SRATE1
) & 0x01c0;
1121 u16 hifi
= snd_soc_read(codec
, WM8753_HIFI
) & 0x01f3;
1124 /* is digital filter coefficient valid ? */
1125 coeff
= get_coeff(wm8753
->sysclk
, params_rate(params
));
1127 printk(KERN_ERR
"wm8753 invalid MCLK or rate\n");
1130 snd_soc_write(codec
, WM8753_SRATE1
, srate
| (coeff_div
[coeff
].sr
<< 1) |
1131 coeff_div
[coeff
].usb
);
1134 switch (params_format(params
)) {
1135 case SNDRV_PCM_FORMAT_S16_LE
:
1137 case SNDRV_PCM_FORMAT_S20_3LE
:
1140 case SNDRV_PCM_FORMAT_S24_LE
:
1143 case SNDRV_PCM_FORMAT_S32_LE
:
1148 snd_soc_write(codec
, WM8753_HIFI
, hifi
);
1152 static int wm8753_mode1v_set_dai_fmt(struct snd_soc_codec
*codec
,
1157 /* set clk source as pcmclk */
1158 clock
= snd_soc_read(codec
, WM8753_CLOCK
) & 0xfffb;
1159 snd_soc_write(codec
, WM8753_CLOCK
, clock
);
1161 return wm8753_vdac_adc_set_dai_fmt(codec
, fmt
);
1164 static int wm8753_mode1h_set_dai_fmt(struct snd_soc_codec
*codec
,
1167 return wm8753_hdac_set_dai_fmt(codec
, fmt
);
1170 static int wm8753_mode2_set_dai_fmt(struct snd_soc_codec
*codec
,
1175 /* set clk source as pcmclk */
1176 clock
= snd_soc_read(codec
, WM8753_CLOCK
) & 0xfffb;
1177 snd_soc_write(codec
, WM8753_CLOCK
, clock
);
1179 return wm8753_vdac_adc_set_dai_fmt(codec
, fmt
);
1182 static int wm8753_mode3_4_set_dai_fmt(struct snd_soc_codec
*codec
,
1187 /* set clk source as mclk */
1188 clock
= snd_soc_read(codec
, WM8753_CLOCK
) & 0xfffb;
1189 snd_soc_write(codec
, WM8753_CLOCK
, clock
| 0x4);
1191 if (wm8753_hdac_set_dai_fmt(codec
, fmt
) < 0)
1193 return wm8753_vdac_adc_set_dai_fmt(codec
, fmt
);
1196 static int wm8753_hifi_write_dai_fmt(struct snd_soc_codec
*codec
,
1199 struct wm8753_priv
*wm8753
= snd_soc_codec_get_drvdata(codec
);
1202 switch (wm8753
->dai_func
) {
1204 ret
= wm8753_mode1h_set_dai_fmt(codec
, fmt
);
1207 ret
= wm8753_mode2_set_dai_fmt(codec
, fmt
);
1211 ret
= wm8753_mode3_4_set_dai_fmt(codec
, fmt
);
1219 return wm8753_i2s_set_dai_fmt(codec
, fmt
);
1222 static int wm8753_hifi_set_dai_fmt(struct snd_soc_dai
*codec_dai
,
1225 struct snd_soc_codec
*codec
= codec_dai
->codec
;
1226 struct wm8753_priv
*wm8753
= snd_soc_codec_get_drvdata(codec
);
1228 wm8753
->hifi_fmt
= fmt
;
1230 return wm8753_hifi_write_dai_fmt(codec
, fmt
);
1233 static int wm8753_voice_write_dai_fmt(struct snd_soc_codec
*codec
,
1236 struct wm8753_priv
*wm8753
= snd_soc_codec_get_drvdata(codec
);
1239 if (wm8753
->dai_func
!= 0)
1242 ret
= wm8753_mode1v_set_dai_fmt(codec
, fmt
);
1245 ret
= wm8753_pcm_set_dai_fmt(codec
, fmt
);
1252 static int wm8753_voice_set_dai_fmt(struct snd_soc_dai
*codec_dai
,
1255 struct snd_soc_codec
*codec
= codec_dai
->codec
;
1256 struct wm8753_priv
*wm8753
= snd_soc_codec_get_drvdata(codec
);
1258 wm8753
->voice_fmt
= fmt
;
1260 return wm8753_voice_write_dai_fmt(codec
, fmt
);
1263 static int wm8753_mute(struct snd_soc_dai
*dai
, int mute
)
1265 struct snd_soc_codec
*codec
= dai
->codec
;
1266 u16 mute_reg
= snd_soc_read(codec
, WM8753_DAC
) & 0xfff7;
1267 struct wm8753_priv
*wm8753
= snd_soc_codec_get_drvdata(codec
);
1269 /* the digital mute covers the HiFi and Voice DAC's on the WM8753.
1270 * make sure we check if they are not both active when we mute */
1271 if (mute
&& wm8753
->dai_func
== 1) {
1273 snd_soc_write(codec
, WM8753_DAC
, mute_reg
| 0x8);
1276 snd_soc_write(codec
, WM8753_DAC
, mute_reg
| 0x8);
1278 snd_soc_write(codec
, WM8753_DAC
, mute_reg
);
1284 static int wm8753_set_bias_level(struct snd_soc_codec
*codec
,
1285 enum snd_soc_bias_level level
)
1287 u16 pwr_reg
= snd_soc_read(codec
, WM8753_PWR1
) & 0xfe3e;
1290 case SND_SOC_BIAS_ON
:
1291 /* set vmid to 50k and unmute dac */
1292 snd_soc_write(codec
, WM8753_PWR1
, pwr_reg
| 0x00c0);
1294 case SND_SOC_BIAS_PREPARE
:
1295 /* set vmid to 5k for quick power up */
1296 snd_soc_write(codec
, WM8753_PWR1
, pwr_reg
| 0x01c1);
1298 case SND_SOC_BIAS_STANDBY
:
1299 /* mute dac and set vmid to 500k, enable VREF */
1300 snd_soc_write(codec
, WM8753_PWR1
, pwr_reg
| 0x0141);
1302 case SND_SOC_BIAS_OFF
:
1303 snd_soc_write(codec
, WM8753_PWR1
, 0x0001);
1306 codec
->dapm
.bias_level
= level
;
1310 #define WM8753_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
1311 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
1312 SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
1313 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
1315 #define WM8753_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1316 SNDRV_PCM_FMTBIT_S24_LE)
1319 * The WM8753 supports up to 4 different and mutually exclusive DAI
1320 * configurations. This gives 2 PCM's available for use, hifi and voice.
1321 * NOTE: The Voice PCM cannot play or capture audio to the CPU as it's DAI
1322 * is connected between the wm8753 and a BT codec or GSM modem.
1324 * 1. Voice over PCM DAI - HIFI DAC over HIFI DAI
1325 * 2. Voice over HIFI DAI - HIFI disabled
1326 * 3. Voice disabled - HIFI over HIFI
1327 * 4. Voice disabled - HIFI over HIFI, uses voice DAI LRC for capture
1329 static struct snd_soc_dai_ops wm8753_dai_ops_hifi_mode
= {
1330 .hw_params
= wm8753_i2s_hw_params
,
1331 .digital_mute
= wm8753_mute
,
1332 .set_fmt
= wm8753_hifi_set_dai_fmt
,
1333 .set_clkdiv
= wm8753_set_dai_clkdiv
,
1334 .set_pll
= wm8753_set_dai_pll
,
1335 .set_sysclk
= wm8753_set_dai_sysclk
,
1338 static struct snd_soc_dai_ops wm8753_dai_ops_voice_mode
= {
1339 .hw_params
= wm8753_pcm_hw_params
,
1340 .digital_mute
= wm8753_mute
,
1341 .set_fmt
= wm8753_voice_set_dai_fmt
,
1342 .set_clkdiv
= wm8753_set_dai_clkdiv
,
1343 .set_pll
= wm8753_set_dai_pll
,
1344 .set_sysclk
= wm8753_set_dai_sysclk
,
1347 static struct snd_soc_dai_driver wm8753_dai
[] = {
1348 /* DAI HiFi mode 1 */
1349 { .name
= "wm8753-hifi",
1351 .stream_name
= "HiFi Playback",
1354 .rates
= WM8753_RATES
,
1355 .formats
= WM8753_FORMATS
1357 .capture
= { /* dummy for fast DAI switching */
1358 .stream_name
= "Capture",
1361 .rates
= WM8753_RATES
,
1362 .formats
= WM8753_FORMATS
1364 .ops
= &wm8753_dai_ops_hifi_mode
,
1366 /* DAI Voice mode 1 */
1367 { .name
= "wm8753-voice",
1369 .stream_name
= "Voice Playback",
1372 .rates
= WM8753_RATES
,
1373 .formats
= WM8753_FORMATS
,
1376 .stream_name
= "Capture",
1379 .rates
= WM8753_RATES
,
1380 .formats
= WM8753_FORMATS
,
1382 .ops
= &wm8753_dai_ops_voice_mode
,
1386 static void wm8753_work(struct work_struct
*work
)
1388 struct snd_soc_dapm_context
*dapm
=
1389 container_of(work
, struct snd_soc_dapm_context
,
1391 struct snd_soc_codec
*codec
= dapm
->codec
;
1392 wm8753_set_bias_level(codec
, dapm
->bias_level
);
1395 static int wm8753_suspend(struct snd_soc_codec
*codec
, pm_message_t state
)
1397 wm8753_set_bias_level(codec
, SND_SOC_BIAS_OFF
);
1401 static int wm8753_resume(struct snd_soc_codec
*codec
)
1403 u16
*reg_cache
= codec
->reg_cache
;
1406 /* Sync reg_cache with the hardware */
1407 for (i
= 1; i
< ARRAY_SIZE(wm8753_reg
); i
++) {
1408 if (i
== WM8753_RESET
)
1411 /* No point in writing hardware default values back */
1412 if (reg_cache
[i
] == wm8753_reg
[i
])
1415 snd_soc_write(codec
, i
, reg_cache
[i
]);
1418 wm8753_set_bias_level(codec
, SND_SOC_BIAS_STANDBY
);
1420 /* charge wm8753 caps */
1421 if (codec
->dapm
.suspend_bias_level
== SND_SOC_BIAS_ON
) {
1422 wm8753_set_bias_level(codec
, SND_SOC_BIAS_PREPARE
);
1423 codec
->dapm
.bias_level
= SND_SOC_BIAS_ON
;
1424 schedule_delayed_work(&codec
->dapm
.delayed_work
,
1425 msecs_to_jiffies(caps_charge
));
1431 static int wm8753_probe(struct snd_soc_codec
*codec
)
1433 struct wm8753_priv
*wm8753
= snd_soc_codec_get_drvdata(codec
);
1436 INIT_DELAYED_WORK(&codec
->dapm
.delayed_work
, wm8753_work
);
1438 ret
= snd_soc_codec_set_cache_io(codec
, 7, 9, wm8753
->control_type
);
1440 dev_err(codec
->dev
, "Failed to set cache I/O: %d\n", ret
);
1444 ret
= wm8753_reset(codec
);
1446 dev_err(codec
->dev
, "Failed to issue reset: %d\n", ret
);
1450 wm8753_set_bias_level(codec
, SND_SOC_BIAS_STANDBY
);
1451 wm8753
->dai_func
= 0;
1453 /* charge output caps */
1454 wm8753_set_bias_level(codec
, SND_SOC_BIAS_PREPARE
);
1455 schedule_delayed_work(&codec
->dapm
.delayed_work
,
1456 msecs_to_jiffies(caps_charge
));
1458 /* set the update bits */
1459 snd_soc_update_bits(codec
, WM8753_LDAC
, 0x0100, 0x0100);
1460 snd_soc_update_bits(codec
, WM8753_RDAC
, 0x0100, 0x0100);
1461 snd_soc_update_bits(codec
, WM8753_LADC
, 0x0100, 0x0100);
1462 snd_soc_update_bits(codec
, WM8753_RADC
, 0x0100, 0x0100);
1463 snd_soc_update_bits(codec
, WM8753_LOUT1V
, 0x0100, 0x0100);
1464 snd_soc_update_bits(codec
, WM8753_ROUT1V
, 0x0100, 0x0100);
1465 snd_soc_update_bits(codec
, WM8753_LOUT2V
, 0x0100, 0x0100);
1466 snd_soc_update_bits(codec
, WM8753_ROUT2V
, 0x0100, 0x0100);
1467 snd_soc_update_bits(codec
, WM8753_LINVOL
, 0x0100, 0x0100);
1468 snd_soc_update_bits(codec
, WM8753_RINVOL
, 0x0100, 0x0100);
1470 snd_soc_add_controls(codec
, wm8753_snd_controls
,
1471 ARRAY_SIZE(wm8753_snd_controls
));
1472 wm8753_add_widgets(codec
);
1477 /* power down chip */
1478 static int wm8753_remove(struct snd_soc_codec
*codec
)
1480 flush_delayed_work_sync(&codec
->dapm
.delayed_work
);
1481 wm8753_set_bias_level(codec
, SND_SOC_BIAS_OFF
);
1486 static struct snd_soc_codec_driver soc_codec_dev_wm8753
= {
1487 .probe
= wm8753_probe
,
1488 .remove
= wm8753_remove
,
1489 .suspend
= wm8753_suspend
,
1490 .resume
= wm8753_resume
,
1491 .set_bias_level
= wm8753_set_bias_level
,
1492 .reg_cache_size
= ARRAY_SIZE(wm8753_reg
),
1493 .reg_word_size
= sizeof(u16
),
1494 .reg_cache_default
= wm8753_reg
,
1497 static const struct of_device_id wm8753_of_match
[] = {
1498 { .compatible
= "wlf,wm8753", },
1501 MODULE_DEVICE_TABLE(of
, wm8753_of_match
);
1503 #if defined(CONFIG_SPI_MASTER)
1504 static int __devinit
wm8753_spi_probe(struct spi_device
*spi
)
1506 struct wm8753_priv
*wm8753
;
1509 wm8753
= kzalloc(sizeof(struct wm8753_priv
), GFP_KERNEL
);
1513 wm8753
->control_type
= SND_SOC_SPI
;
1514 spi_set_drvdata(spi
, wm8753
);
1516 ret
= snd_soc_register_codec(&spi
->dev
,
1517 &soc_codec_dev_wm8753
, wm8753_dai
, ARRAY_SIZE(wm8753_dai
));
1523 static int __devexit
wm8753_spi_remove(struct spi_device
*spi
)
1525 snd_soc_unregister_codec(&spi
->dev
);
1526 kfree(spi_get_drvdata(spi
));
1530 static struct spi_driver wm8753_spi_driver
= {
1533 .owner
= THIS_MODULE
,
1534 .of_match_table
= wm8753_of_match
,
1536 .probe
= wm8753_spi_probe
,
1537 .remove
= __devexit_p(wm8753_spi_remove
),
1539 #endif /* CONFIG_SPI_MASTER */
1541 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1542 static __devinit
int wm8753_i2c_probe(struct i2c_client
*i2c
,
1543 const struct i2c_device_id
*id
)
1545 struct wm8753_priv
*wm8753
;
1548 wm8753
= kzalloc(sizeof(struct wm8753_priv
), GFP_KERNEL
);
1552 i2c_set_clientdata(i2c
, wm8753
);
1553 wm8753
->control_type
= SND_SOC_I2C
;
1555 ret
= snd_soc_register_codec(&i2c
->dev
,
1556 &soc_codec_dev_wm8753
, wm8753_dai
, ARRAY_SIZE(wm8753_dai
));
1562 static __devexit
int wm8753_i2c_remove(struct i2c_client
*client
)
1564 snd_soc_unregister_codec(&client
->dev
);
1565 kfree(i2c_get_clientdata(client
));
1569 static const struct i2c_device_id wm8753_i2c_id
[] = {
1573 MODULE_DEVICE_TABLE(i2c
, wm8753_i2c_id
);
1575 static struct i2c_driver wm8753_i2c_driver
= {
1578 .owner
= THIS_MODULE
,
1579 .of_match_table
= wm8753_of_match
,
1581 .probe
= wm8753_i2c_probe
,
1582 .remove
= __devexit_p(wm8753_i2c_remove
),
1583 .id_table
= wm8753_i2c_id
,
1587 static int __init
wm8753_modinit(void)
1590 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1591 ret
= i2c_add_driver(&wm8753_i2c_driver
);
1593 printk(KERN_ERR
"Failed to register wm8753 I2C driver: %d\n",
1597 #if defined(CONFIG_SPI_MASTER)
1598 ret
= spi_register_driver(&wm8753_spi_driver
);
1600 printk(KERN_ERR
"Failed to register wm8753 SPI driver: %d\n",
1606 module_init(wm8753_modinit
);
1608 static void __exit
wm8753_exit(void)
1610 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1611 i2c_del_driver(&wm8753_i2c_driver
);
1613 #if defined(CONFIG_SPI_MASTER)
1614 spi_unregister_driver(&wm8753_spi_driver
);
1617 module_exit(wm8753_exit
);
1619 MODULE_DESCRIPTION("ASoC WM8753 driver");
1620 MODULE_AUTHOR("Liam Girdwood");
1621 MODULE_LICENSE("GPL");