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/platform_device.h>
42 #include <linux/spi/spi.h>
43 #include <sound/core.h>
44 #include <sound/pcm.h>
45 #include <sound/pcm_params.h>
46 #include <sound/soc.h>
47 #include <sound/soc-dapm.h>
48 #include <sound/initval.h>
49 #include <sound/tlv.h>
50 #include <asm/div64.h>
54 #ifdef CONFIG_SPI_MASTER
55 static struct spi_driver wm8753_spi_driver
;
56 static int wm8753_spi_write(struct spi_device
*spi
, const char *data
, int len
);
59 static int caps_charge
= 2000;
60 module_param(caps_charge
, int, 0);
61 MODULE_PARM_DESC(caps_charge
, "WM8753 cap charge time (msecs)");
63 static void wm8753_set_dai_mode(struct snd_soc_codec
*codec
,
67 * wm8753 register cache
68 * We can't read the WM8753 register space when we
69 * are using 2 wire for device control, so we cache them instead.
71 static const u16 wm8753_reg
[] = {
72 0x0008, 0x0000, 0x000a, 0x000a,
73 0x0033, 0x0000, 0x0007, 0x00ff,
74 0x00ff, 0x000f, 0x000f, 0x007b,
75 0x0000, 0x0032, 0x0000, 0x00c3,
76 0x00c3, 0x00c0, 0x0000, 0x0000,
77 0x0000, 0x0000, 0x0000, 0x0000,
78 0x0000, 0x0000, 0x0000, 0x0000,
79 0x0000, 0x0000, 0x0000, 0x0055,
80 0x0005, 0x0050, 0x0055, 0x0050,
81 0x0055, 0x0050, 0x0055, 0x0079,
82 0x0079, 0x0079, 0x0079, 0x0079,
83 0x0000, 0x0000, 0x0000, 0x0000,
84 0x0097, 0x0097, 0x0000, 0x0004,
85 0x0000, 0x0083, 0x0024, 0x01ba,
86 0x0000, 0x0083, 0x0024, 0x01ba,
90 /* codec private data */
94 struct snd_soc_codec codec
;
95 u16 reg_cache
[ARRAY_SIZE(wm8753_reg
)];
99 * read wm8753 register cache
101 static inline unsigned int wm8753_read_reg_cache(struct snd_soc_codec
*codec
,
104 u16
*cache
= codec
->reg_cache
;
105 if (reg
< 1 || reg
>= (ARRAY_SIZE(wm8753_reg
) + 1))
107 return cache
[reg
- 1];
111 * write wm8753 register cache
113 static inline void wm8753_write_reg_cache(struct snd_soc_codec
*codec
,
114 unsigned int reg
, unsigned int value
)
116 u16
*cache
= codec
->reg_cache
;
117 if (reg
< 1 || reg
>= (ARRAY_SIZE(wm8753_reg
) + 1))
119 cache
[reg
- 1] = value
;
123 * write to the WM8753 register space
125 static int wm8753_write(struct snd_soc_codec
*codec
, unsigned int reg
,
131 * D15..D9 WM8753 register offset
132 * D8...D0 register data
134 data
[0] = (reg
<< 1) | ((value
>> 8) & 0x0001);
135 data
[1] = value
& 0x00ff;
137 wm8753_write_reg_cache(codec
, reg
, value
);
138 if (codec
->hw_write(codec
->control_data
, data
, 2) == 2)
144 #define wm8753_reset(c) wm8753_write(c, WM8753_RESET, 0)
149 static const char *wm8753_base
[] = {"Linear Control", "Adaptive Boost"};
150 static const char *wm8753_base_filter
[] =
151 {"130Hz @ 48kHz", "200Hz @ 48kHz", "100Hz @ 16kHz", "400Hz @ 48kHz",
152 "100Hz @ 8kHz", "200Hz @ 8kHz"};
153 static const char *wm8753_treble
[] = {"8kHz", "4kHz"};
154 static const char *wm8753_alc_func
[] = {"Off", "Right", "Left", "Stereo"};
155 static const char *wm8753_ng_type
[] = {"Constant PGA Gain", "Mute ADC Output"};
156 static const char *wm8753_3d_func
[] = {"Capture", "Playback"};
157 static const char *wm8753_3d_uc
[] = {"2.2kHz", "1.5kHz"};
158 static const char *wm8753_3d_lc
[] = {"200Hz", "500Hz"};
159 static const char *wm8753_deemp
[] = {"None", "32kHz", "44.1kHz", "48kHz"};
160 static const char *wm8753_mono_mix
[] = {"Stereo", "Left", "Right", "Mono"};
161 static const char *wm8753_dac_phase
[] = {"Non Inverted", "Inverted"};
162 static const char *wm8753_line_mix
[] = {"Line 1 + 2", "Line 1 - 2",
164 static const char *wm8753_mono_mux
[] = {"Line Mix", "Rx Mix"};
165 static const char *wm8753_right_mux
[] = {"Line 2", "Rx Mix"};
166 static const char *wm8753_left_mux
[] = {"Line 1", "Rx Mix"};
167 static const char *wm8753_rxmsel
[] = {"RXP - RXN", "RXP + RXN", "RXP", "RXN"};
168 static const char *wm8753_sidetone_mux
[] = {"Left PGA", "Mic 1", "Mic 2",
170 static const char *wm8753_mono2_src
[] = {"Inverted Mono 1", "Left", "Right",
172 static const char *wm8753_out3
[] = {"VREF", "ROUT2", "Left + Right"};
173 static const char *wm8753_out4
[] = {"VREF", "Capture ST", "LOUT2"};
174 static const char *wm8753_radcsel
[] = {"PGA", "Line or RXP-RXN", "Sidetone"};
175 static const char *wm8753_ladcsel
[] = {"PGA", "Line or RXP-RXN", "Line"};
176 static const char *wm8753_mono_adc
[] = {"Stereo", "Analogue Mix Left",
177 "Analogue Mix Right", "Digital Mono Mix"};
178 static const char *wm8753_adc_hp
[] = {"3.4Hz @ 48kHz", "82Hz @ 16k",
179 "82Hz @ 8kHz", "170Hz @ 8kHz"};
180 static const char *wm8753_adc_filter
[] = {"HiFi", "Voice"};
181 static const char *wm8753_mic_sel
[] = {"Mic 1", "Mic 2", "Mic 3"};
182 static const char *wm8753_dai_mode
[] = {"DAI 0", "DAI 1", "DAI 2", "DAI 3"};
183 static const char *wm8753_dat_sel
[] = {"Stereo", "Left ADC", "Right ADC",
185 static const char *wm8753_rout2_phase
[] = {"Non Inverted", "Inverted"};
187 static const struct soc_enum wm8753_enum
[] = {
188 SOC_ENUM_SINGLE(WM8753_BASS
, 7, 2, wm8753_base
),
189 SOC_ENUM_SINGLE(WM8753_BASS
, 4, 6, wm8753_base_filter
),
190 SOC_ENUM_SINGLE(WM8753_TREBLE
, 6, 2, wm8753_treble
),
191 SOC_ENUM_SINGLE(WM8753_ALC1
, 7, 4, wm8753_alc_func
),
192 SOC_ENUM_SINGLE(WM8753_NGATE
, 1, 2, wm8753_ng_type
),
193 SOC_ENUM_SINGLE(WM8753_3D
, 7, 2, wm8753_3d_func
),
194 SOC_ENUM_SINGLE(WM8753_3D
, 6, 2, wm8753_3d_uc
),
195 SOC_ENUM_SINGLE(WM8753_3D
, 5, 2, wm8753_3d_lc
),
196 SOC_ENUM_SINGLE(WM8753_DAC
, 1, 4, wm8753_deemp
),
197 SOC_ENUM_SINGLE(WM8753_DAC
, 4, 4, wm8753_mono_mix
),
198 SOC_ENUM_SINGLE(WM8753_DAC
, 6, 2, wm8753_dac_phase
),
199 SOC_ENUM_SINGLE(WM8753_INCTL1
, 3, 4, wm8753_line_mix
),
200 SOC_ENUM_SINGLE(WM8753_INCTL1
, 2, 2, wm8753_mono_mux
),
201 SOC_ENUM_SINGLE(WM8753_INCTL1
, 1, 2, wm8753_right_mux
),
202 SOC_ENUM_SINGLE(WM8753_INCTL1
, 0, 2, wm8753_left_mux
),
203 SOC_ENUM_SINGLE(WM8753_INCTL2
, 6, 4, wm8753_rxmsel
),
204 SOC_ENUM_SINGLE(WM8753_INCTL2
, 4, 4, wm8753_sidetone_mux
),
205 SOC_ENUM_SINGLE(WM8753_OUTCTL
, 7, 4, wm8753_mono2_src
),
206 SOC_ENUM_SINGLE(WM8753_OUTCTL
, 0, 3, wm8753_out3
),
207 SOC_ENUM_SINGLE(WM8753_ADCTL2
, 7, 3, wm8753_out4
),
208 SOC_ENUM_SINGLE(WM8753_ADCIN
, 2, 3, wm8753_radcsel
),
209 SOC_ENUM_SINGLE(WM8753_ADCIN
, 0, 3, wm8753_ladcsel
),
210 SOC_ENUM_SINGLE(WM8753_ADCIN
, 4, 4, wm8753_mono_adc
),
211 SOC_ENUM_SINGLE(WM8753_ADC
, 2, 4, wm8753_adc_hp
),
212 SOC_ENUM_SINGLE(WM8753_ADC
, 4, 2, wm8753_adc_filter
),
213 SOC_ENUM_SINGLE(WM8753_MICBIAS
, 6, 3, wm8753_mic_sel
),
214 SOC_ENUM_SINGLE(WM8753_IOCTL
, 2, 4, wm8753_dai_mode
),
215 SOC_ENUM_SINGLE(WM8753_ADC
, 7, 4, wm8753_dat_sel
),
216 SOC_ENUM_SINGLE(WM8753_OUTCTL
, 2, 2, wm8753_rout2_phase
),
220 static int wm8753_get_dai(struct snd_kcontrol
*kcontrol
,
221 struct snd_ctl_elem_value
*ucontrol
)
223 struct snd_soc_codec
*codec
= snd_kcontrol_chip(kcontrol
);
224 int mode
= wm8753_read_reg_cache(codec
, WM8753_IOCTL
);
226 ucontrol
->value
.integer
.value
[0] = (mode
& 0xc) >> 2;
230 static int wm8753_set_dai(struct snd_kcontrol
*kcontrol
,
231 struct snd_ctl_elem_value
*ucontrol
)
233 struct snd_soc_codec
*codec
= snd_kcontrol_chip(kcontrol
);
234 int mode
= wm8753_read_reg_cache(codec
, WM8753_IOCTL
);
236 if (((mode
& 0xc) >> 2) == ucontrol
->value
.integer
.value
[0])
240 mode
|= (ucontrol
->value
.integer
.value
[0] << 2);
242 wm8753_write(codec
, WM8753_IOCTL
, mode
);
243 wm8753_set_dai_mode(codec
, ucontrol
->value
.integer
.value
[0]);
247 static const DECLARE_TLV_DB_SCALE(rec_mix_tlv
, -1500, 300, 0);
248 static const DECLARE_TLV_DB_SCALE(mic_preamp_tlv
, 1200, 600, 0);
249 static const DECLARE_TLV_DB_SCALE(adc_tlv
, -9750, 50, 1);
250 static const DECLARE_TLV_DB_SCALE(dac_tlv
, -12750, 50, 1);
251 static const unsigned int out_tlv
[] = {
252 TLV_DB_RANGE_HEAD(2),
253 /* 0000000 - 0101111 = "Analogue mute" */
254 0, 48, TLV_DB_SCALE_ITEM(-25500, 0, 0),
255 48, 127, TLV_DB_SCALE_ITEM(-7300, 100, 0),
257 static const DECLARE_TLV_DB_SCALE(mix_tlv
, -1500, 300, 0);
258 static const DECLARE_TLV_DB_SCALE(voice_mix_tlv
, -1200, 300, 0);
259 static const DECLARE_TLV_DB_SCALE(pga_tlv
, -1725, 75, 0);
261 static const struct snd_kcontrol_new wm8753_snd_controls
[] = {
262 SOC_DOUBLE_R_TLV("PCM Volume", WM8753_LDAC
, WM8753_RDAC
, 0, 255, 0, dac_tlv
),
264 SOC_DOUBLE_R_TLV("ADC Capture Volume", WM8753_LADC
, WM8753_RADC
, 0, 255, 0,
267 SOC_DOUBLE_R_TLV("Headphone Playback Volume", WM8753_LOUT1V
, WM8753_ROUT1V
,
269 SOC_DOUBLE_R_TLV("Speaker Playback Volume", WM8753_LOUT2V
, WM8753_ROUT2V
, 0,
272 SOC_SINGLE_TLV("Mono Playback Volume", WM8753_MOUTV
, 0, 127, 0, out_tlv
),
274 SOC_DOUBLE_R_TLV("Bypass Playback Volume", WM8753_LOUTM1
, WM8753_ROUTM1
, 4, 7,
276 SOC_DOUBLE_R_TLV("Sidetone Playback Volume", WM8753_LOUTM2
, WM8753_ROUTM2
, 4,
278 SOC_DOUBLE_R_TLV("Voice Playback Volume", WM8753_LOUTM2
, WM8753_ROUTM2
, 0, 7,
281 SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8753_LOUT1V
, WM8753_ROUT1V
, 7,
283 SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8753_LOUT2V
, WM8753_ROUT2V
, 7,
286 SOC_SINGLE_TLV("Mono Bypass Playback Volume", WM8753_MOUTM1
, 4, 7, 1, mix_tlv
),
287 SOC_SINGLE_TLV("Mono Sidetone Playback Volume", WM8753_MOUTM2
, 4, 7, 1,
289 SOC_SINGLE_TLV("Mono Voice Playback Volume", WM8753_MOUTM2
, 0, 7, 1,
291 SOC_SINGLE("Mono Playback ZC Switch", WM8753_MOUTV
, 7, 1, 0),
293 SOC_ENUM("Bass Boost", wm8753_enum
[0]),
294 SOC_ENUM("Bass Filter", wm8753_enum
[1]),
295 SOC_SINGLE("Bass Volume", WM8753_BASS
, 0, 15, 1),
297 SOC_SINGLE("Treble Volume", WM8753_TREBLE
, 0, 15, 1),
298 SOC_ENUM("Treble Cut-off", wm8753_enum
[2]),
300 SOC_DOUBLE_TLV("Sidetone Capture Volume", WM8753_RECMIX1
, 0, 4, 7, 1,
302 SOC_SINGLE_TLV("Voice Sidetone Capture Volume", WM8753_RECMIX2
, 0, 7, 1,
305 SOC_DOUBLE_R_TLV("Capture Volume", WM8753_LINVOL
, WM8753_RINVOL
, 0, 63, 0,
307 SOC_DOUBLE_R("Capture ZC Switch", WM8753_LINVOL
, WM8753_RINVOL
, 6, 1, 0),
308 SOC_DOUBLE_R("Capture Switch", WM8753_LINVOL
, WM8753_RINVOL
, 7, 1, 1),
310 SOC_ENUM("Capture Filter Select", wm8753_enum
[23]),
311 SOC_ENUM("Capture Filter Cut-off", wm8753_enum
[24]),
312 SOC_SINGLE("Capture Filter Switch", WM8753_ADC
, 0, 1, 1),
314 SOC_SINGLE("ALC Capture Target Volume", WM8753_ALC1
, 0, 7, 0),
315 SOC_SINGLE("ALC Capture Max Volume", WM8753_ALC1
, 4, 7, 0),
316 SOC_ENUM("ALC Capture Function", wm8753_enum
[3]),
317 SOC_SINGLE("ALC Capture ZC Switch", WM8753_ALC2
, 8, 1, 0),
318 SOC_SINGLE("ALC Capture Hold Time", WM8753_ALC2
, 0, 15, 1),
319 SOC_SINGLE("ALC Capture Decay Time", WM8753_ALC3
, 4, 15, 1),
320 SOC_SINGLE("ALC Capture Attack Time", WM8753_ALC3
, 0, 15, 0),
321 SOC_SINGLE("ALC Capture NG Threshold", WM8753_NGATE
, 3, 31, 0),
322 SOC_ENUM("ALC Capture NG Type", wm8753_enum
[4]),
323 SOC_SINGLE("ALC Capture NG Switch", WM8753_NGATE
, 0, 1, 0),
325 SOC_ENUM("3D Function", wm8753_enum
[5]),
326 SOC_ENUM("3D Upper Cut-off", wm8753_enum
[6]),
327 SOC_ENUM("3D Lower Cut-off", wm8753_enum
[7]),
328 SOC_SINGLE("3D Volume", WM8753_3D
, 1, 15, 0),
329 SOC_SINGLE("3D Switch", WM8753_3D
, 0, 1, 0),
331 SOC_SINGLE("Capture 6dB Attenuate", WM8753_ADCTL1
, 2, 1, 0),
332 SOC_SINGLE("Playback 6dB Attenuate", WM8753_ADCTL1
, 1, 1, 0),
334 SOC_ENUM("De-emphasis", wm8753_enum
[8]),
335 SOC_ENUM("Playback Mono Mix", wm8753_enum
[9]),
336 SOC_ENUM("Playback Phase", wm8753_enum
[10]),
338 SOC_SINGLE_TLV("Mic2 Capture Volume", WM8753_INCTL1
, 7, 3, 0, mic_preamp_tlv
),
339 SOC_SINGLE_TLV("Mic1 Capture Volume", WM8753_INCTL1
, 5, 3, 0, mic_preamp_tlv
),
341 SOC_ENUM_EXT("DAI Mode", wm8753_enum
[26], wm8753_get_dai
, wm8753_set_dai
),
343 SOC_ENUM("ADC Data Select", wm8753_enum
[27]),
344 SOC_ENUM("ROUT2 Phase", wm8753_enum
[28]),
352 static const struct snd_kcontrol_new wm8753_left_mixer_controls
[] = {
353 SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_LOUTM2
, 8, 1, 0),
354 SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_LOUTM2
, 7, 1, 0),
355 SOC_DAPM_SINGLE("Left Playback Switch", WM8753_LOUTM1
, 8, 1, 0),
356 SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_LOUTM1
, 7, 1, 0),
360 static const struct snd_kcontrol_new wm8753_right_mixer_controls
[] = {
361 SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_ROUTM2
, 8, 1, 0),
362 SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_ROUTM2
, 7, 1, 0),
363 SOC_DAPM_SINGLE("Right Playback Switch", WM8753_ROUTM1
, 8, 1, 0),
364 SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_ROUTM1
, 7, 1, 0),
368 static const struct snd_kcontrol_new wm8753_mono_mixer_controls
[] = {
369 SOC_DAPM_SINGLE("Left Playback Switch", WM8753_MOUTM1
, 8, 1, 0),
370 SOC_DAPM_SINGLE("Right Playback Switch", WM8753_MOUTM2
, 8, 1, 0),
371 SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_MOUTM2
, 3, 1, 0),
372 SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_MOUTM2
, 7, 1, 0),
373 SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_MOUTM1
, 7, 1, 0),
377 static const struct snd_kcontrol_new wm8753_mono2_controls
=
378 SOC_DAPM_ENUM("Route", wm8753_enum
[17]);
381 static const struct snd_kcontrol_new wm8753_out3_controls
=
382 SOC_DAPM_ENUM("Route", wm8753_enum
[18]);
385 static const struct snd_kcontrol_new wm8753_out4_controls
=
386 SOC_DAPM_ENUM("Route", wm8753_enum
[19]);
389 static const struct snd_kcontrol_new wm8753_adc_mono_controls
=
390 SOC_DAPM_ENUM("Route", wm8753_enum
[22]);
393 static const struct snd_kcontrol_new wm8753_record_mixer_controls
[] = {
394 SOC_DAPM_SINGLE("Voice Capture Switch", WM8753_RECMIX2
, 3, 1, 0),
395 SOC_DAPM_SINGLE("Left Capture Switch", WM8753_RECMIX1
, 3, 1, 0),
396 SOC_DAPM_SINGLE("Right Capture Switch", WM8753_RECMIX1
, 7, 1, 0),
400 static const struct snd_kcontrol_new wm8753_adc_left_controls
=
401 SOC_DAPM_ENUM("Route", wm8753_enum
[21]);
404 static const struct snd_kcontrol_new wm8753_adc_right_controls
=
405 SOC_DAPM_ENUM("Route", wm8753_enum
[20]);
408 static const struct snd_kcontrol_new wm8753_mic_mux_controls
=
409 SOC_DAPM_ENUM("Route", wm8753_enum
[16]);
412 static const struct snd_kcontrol_new wm8753_alc_mixer_controls
[] = {
413 SOC_DAPM_SINGLE("Line Capture Switch", WM8753_INCTL2
, 3, 1, 0),
414 SOC_DAPM_SINGLE("Mic2 Capture Switch", WM8753_INCTL2
, 2, 1, 0),
415 SOC_DAPM_SINGLE("Mic1 Capture Switch", WM8753_INCTL2
, 1, 1, 0),
416 SOC_DAPM_SINGLE("Rx Capture Switch", WM8753_INCTL2
, 0, 1, 0),
420 static const struct snd_kcontrol_new wm8753_line_left_controls
=
421 SOC_DAPM_ENUM("Route", wm8753_enum
[14]);
424 static const struct snd_kcontrol_new wm8753_line_right_controls
=
425 SOC_DAPM_ENUM("Route", wm8753_enum
[13]);
428 static const struct snd_kcontrol_new wm8753_line_mono_controls
=
429 SOC_DAPM_ENUM("Route", wm8753_enum
[12]);
431 /* Line mux and mixer */
432 static const struct snd_kcontrol_new wm8753_line_mux_mix_controls
=
433 SOC_DAPM_ENUM("Route", wm8753_enum
[11]);
435 /* Rx mux and mixer */
436 static const struct snd_kcontrol_new wm8753_rx_mux_mix_controls
=
437 SOC_DAPM_ENUM("Route", wm8753_enum
[15]);
439 /* Mic Selector Mux */
440 static const struct snd_kcontrol_new wm8753_mic_sel_mux_controls
=
441 SOC_DAPM_ENUM("Route", wm8753_enum
[25]);
443 static const struct snd_soc_dapm_widget wm8753_dapm_widgets
[] = {
444 SND_SOC_DAPM_MICBIAS("Mic Bias", WM8753_PWR1
, 5, 0),
445 SND_SOC_DAPM_MIXER("Left Mixer", WM8753_PWR4
, 0, 0,
446 &wm8753_left_mixer_controls
[0], ARRAY_SIZE(wm8753_left_mixer_controls
)),
447 SND_SOC_DAPM_PGA("Left Out 1", WM8753_PWR3
, 8, 0, NULL
, 0),
448 SND_SOC_DAPM_PGA("Left Out 2", WM8753_PWR3
, 6, 0, NULL
, 0),
449 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", WM8753_PWR1
, 3, 0),
450 SND_SOC_DAPM_OUTPUT("LOUT1"),
451 SND_SOC_DAPM_OUTPUT("LOUT2"),
452 SND_SOC_DAPM_MIXER("Right Mixer", WM8753_PWR4
, 1, 0,
453 &wm8753_right_mixer_controls
[0], ARRAY_SIZE(wm8753_right_mixer_controls
)),
454 SND_SOC_DAPM_PGA("Right Out 1", WM8753_PWR3
, 7, 0, NULL
, 0),
455 SND_SOC_DAPM_PGA("Right Out 2", WM8753_PWR3
, 5, 0, NULL
, 0),
456 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", WM8753_PWR1
, 2, 0),
457 SND_SOC_DAPM_OUTPUT("ROUT1"),
458 SND_SOC_DAPM_OUTPUT("ROUT2"),
459 SND_SOC_DAPM_MIXER("Mono Mixer", WM8753_PWR4
, 2, 0,
460 &wm8753_mono_mixer_controls
[0], ARRAY_SIZE(wm8753_mono_mixer_controls
)),
461 SND_SOC_DAPM_PGA("Mono Out 1", WM8753_PWR3
, 2, 0, NULL
, 0),
462 SND_SOC_DAPM_PGA("Mono Out 2", WM8753_PWR3
, 1, 0, NULL
, 0),
463 SND_SOC_DAPM_DAC("Voice DAC", "Voice Playback", WM8753_PWR1
, 4, 0),
464 SND_SOC_DAPM_OUTPUT("MONO1"),
465 SND_SOC_DAPM_MUX("Mono 2 Mux", SND_SOC_NOPM
, 0, 0, &wm8753_mono2_controls
),
466 SND_SOC_DAPM_OUTPUT("MONO2"),
467 SND_SOC_DAPM_MIXER("Out3 Left + Right", -1, 0, 0, NULL
, 0),
468 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM
, 0, 0, &wm8753_out3_controls
),
469 SND_SOC_DAPM_PGA("Out 3", WM8753_PWR3
, 4, 0, NULL
, 0),
470 SND_SOC_DAPM_OUTPUT("OUT3"),
471 SND_SOC_DAPM_MUX("Out4 Mux", SND_SOC_NOPM
, 0, 0, &wm8753_out4_controls
),
472 SND_SOC_DAPM_PGA("Out 4", WM8753_PWR3
, 3, 0, NULL
, 0),
473 SND_SOC_DAPM_OUTPUT("OUT4"),
474 SND_SOC_DAPM_MIXER("Playback Mixer", WM8753_PWR4
, 3, 0,
475 &wm8753_record_mixer_controls
[0],
476 ARRAY_SIZE(wm8753_record_mixer_controls
)),
477 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8753_PWR2
, 3, 0),
478 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8753_PWR2
, 2, 0),
479 SND_SOC_DAPM_MUX("Capture Left Mixer", SND_SOC_NOPM
, 0, 0,
480 &wm8753_adc_mono_controls
),
481 SND_SOC_DAPM_MUX("Capture Right Mixer", SND_SOC_NOPM
, 0, 0,
482 &wm8753_adc_mono_controls
),
483 SND_SOC_DAPM_MUX("Capture Left Mux", SND_SOC_NOPM
, 0, 0,
484 &wm8753_adc_left_controls
),
485 SND_SOC_DAPM_MUX("Capture Right Mux", SND_SOC_NOPM
, 0, 0,
486 &wm8753_adc_right_controls
),
487 SND_SOC_DAPM_MUX("Mic Sidetone Mux", SND_SOC_NOPM
, 0, 0,
488 &wm8753_mic_mux_controls
),
489 SND_SOC_DAPM_PGA("Left Capture Volume", WM8753_PWR2
, 5, 0, NULL
, 0),
490 SND_SOC_DAPM_PGA("Right Capture Volume", WM8753_PWR2
, 4, 0, NULL
, 0),
491 SND_SOC_DAPM_MIXER("ALC Mixer", WM8753_PWR2
, 6, 0,
492 &wm8753_alc_mixer_controls
[0], ARRAY_SIZE(wm8753_alc_mixer_controls
)),
493 SND_SOC_DAPM_MUX("Line Left Mux", SND_SOC_NOPM
, 0, 0,
494 &wm8753_line_left_controls
),
495 SND_SOC_DAPM_MUX("Line Right Mux", SND_SOC_NOPM
, 0, 0,
496 &wm8753_line_right_controls
),
497 SND_SOC_DAPM_MUX("Line Mono Mux", SND_SOC_NOPM
, 0, 0,
498 &wm8753_line_mono_controls
),
499 SND_SOC_DAPM_MUX("Line Mixer", WM8753_PWR2
, 0, 0,
500 &wm8753_line_mux_mix_controls
),
501 SND_SOC_DAPM_MUX("Rx Mixer", WM8753_PWR2
, 1, 0,
502 &wm8753_rx_mux_mix_controls
),
503 SND_SOC_DAPM_PGA("Mic 1 Volume", WM8753_PWR2
, 8, 0, NULL
, 0),
504 SND_SOC_DAPM_PGA("Mic 2 Volume", WM8753_PWR2
, 7, 0, NULL
, 0),
505 SND_SOC_DAPM_MUX("Mic Selection Mux", SND_SOC_NOPM
, 0, 0,
506 &wm8753_mic_sel_mux_controls
),
507 SND_SOC_DAPM_INPUT("LINE1"),
508 SND_SOC_DAPM_INPUT("LINE2"),
509 SND_SOC_DAPM_INPUT("RXP"),
510 SND_SOC_DAPM_INPUT("RXN"),
511 SND_SOC_DAPM_INPUT("ACIN"),
512 SND_SOC_DAPM_OUTPUT("ACOP"),
513 SND_SOC_DAPM_INPUT("MIC1N"),
514 SND_SOC_DAPM_INPUT("MIC1"),
515 SND_SOC_DAPM_INPUT("MIC2N"),
516 SND_SOC_DAPM_INPUT("MIC2"),
517 SND_SOC_DAPM_VMID("VREF"),
520 static const struct snd_soc_dapm_route audio_map
[] = {
522 {"Left Mixer", "Left Playback Switch", "Left DAC"},
523 {"Left Mixer", "Voice Playback Switch", "Voice DAC"},
524 {"Left Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"},
525 {"Left Mixer", "Bypass Playback Switch", "Line Left Mux"},
528 {"Right Mixer", "Right Playback Switch", "Right DAC"},
529 {"Right Mixer", "Voice Playback Switch", "Voice DAC"},
530 {"Right Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"},
531 {"Right Mixer", "Bypass Playback Switch", "Line Right Mux"},
534 {"Mono Mixer", "Voice Playback Switch", "Voice DAC"},
535 {"Mono Mixer", "Left Playback Switch", "Left DAC"},
536 {"Mono Mixer", "Right Playback Switch", "Right DAC"},
537 {"Mono Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"},
538 {"Mono Mixer", "Bypass Playback Switch", "Line Mono Mux"},
541 {"Left Out 1", NULL
, "Left Mixer"},
542 {"Left Out 2", NULL
, "Left Mixer"},
543 {"LOUT1", NULL
, "Left Out 1"},
544 {"LOUT2", NULL
, "Left Out 2"},
547 {"Right Out 1", NULL
, "Right Mixer"},
548 {"Right Out 2", NULL
, "Right Mixer"},
549 {"ROUT1", NULL
, "Right Out 1"},
550 {"ROUT2", NULL
, "Right Out 2"},
553 {"Mono Out 1", NULL
, "Mono Mixer"},
554 {"MONO1", NULL
, "Mono Out 1"},
557 {"Mono 2 Mux", "Left + Right", "Out3 Left + Right"},
558 {"Mono 2 Mux", "Inverted Mono 1", "MONO1"},
559 {"Mono 2 Mux", "Left", "Left Mixer"},
560 {"Mono 2 Mux", "Right", "Right Mixer"},
561 {"Mono Out 2", NULL
, "Mono 2 Mux"},
562 {"MONO2", NULL
, "Mono Out 2"},
565 {"Out3 Left + Right", NULL
, "Left Mixer"},
566 {"Out3 Left + Right", NULL
, "Right Mixer"},
567 {"Out3 Mux", "VREF", "VREF"},
568 {"Out3 Mux", "Left + Right", "Out3 Left + Right"},
569 {"Out3 Mux", "ROUT2", "ROUT2"},
570 {"Out 3", NULL
, "Out3 Mux"},
571 {"OUT3", NULL
, "Out 3"},
574 {"Out4 Mux", "VREF", "VREF"},
575 {"Out4 Mux", "Capture ST", "Playback Mixer"},
576 {"Out4 Mux", "LOUT2", "LOUT2"},
577 {"Out 4", NULL
, "Out4 Mux"},
578 {"OUT4", NULL
, "Out 4"},
581 {"Playback Mixer", "Left Capture Switch", "Left Mixer"},
582 {"Playback Mixer", "Voice Capture Switch", "Mono Mixer"},
583 {"Playback Mixer", "Right Capture Switch", "Right Mixer"},
585 /* Mic/SideTone Mux */
586 {"Mic Sidetone Mux", "Left PGA", "Left Capture Volume"},
587 {"Mic Sidetone Mux", "Right PGA", "Right Capture Volume"},
588 {"Mic Sidetone Mux", "Mic 1", "Mic 1 Volume"},
589 {"Mic Sidetone Mux", "Mic 2", "Mic 2 Volume"},
591 /* Capture Left Mux */
592 {"Capture Left Mux", "PGA", "Left Capture Volume"},
593 {"Capture Left Mux", "Line or RXP-RXN", "Line Left Mux"},
594 {"Capture Left Mux", "Line", "LINE1"},
596 /* Capture Right Mux */
597 {"Capture Right Mux", "PGA", "Right Capture Volume"},
598 {"Capture Right Mux", "Line or RXP-RXN", "Line Right Mux"},
599 {"Capture Right Mux", "Sidetone", "Playback Mixer"},
601 /* Mono Capture mixer-mux */
602 {"Capture Right Mixer", "Stereo", "Capture Right Mux"},
603 {"Capture Left Mixer", "Analogue Mix Left", "Capture Left Mux"},
604 {"Capture Left Mixer", "Analogue Mix Left", "Capture Right Mux"},
605 {"Capture Right Mixer", "Analogue Mix Right", "Capture Left Mux"},
606 {"Capture Right Mixer", "Analogue Mix Right", "Capture Right Mux"},
607 {"Capture Left Mixer", "Digital Mono Mix", "Capture Left Mux"},
608 {"Capture Left Mixer", "Digital Mono Mix", "Capture Right Mux"},
609 {"Capture Right Mixer", "Digital Mono Mix", "Capture Left Mux"},
610 {"Capture Right Mixer", "Digital Mono Mix", "Capture Right Mux"},
613 {"Left ADC", NULL
, "Capture Left Mixer"},
614 {"Right ADC", NULL
, "Capture Right Mixer"},
616 /* Left Capture Volume */
617 {"Left Capture Volume", NULL
, "ACIN"},
619 /* Right Capture Volume */
620 {"Right Capture Volume", NULL
, "Mic 2 Volume"},
623 {"ALC Mixer", "Line Capture Switch", "Line Mixer"},
624 {"ALC Mixer", "Mic2 Capture Switch", "Mic 2 Volume"},
625 {"ALC Mixer", "Mic1 Capture Switch", "Mic 1 Volume"},
626 {"ALC Mixer", "Rx Capture Switch", "Rx Mixer"},
629 {"Line Left Mux", "Line 1", "LINE1"},
630 {"Line Left Mux", "Rx Mix", "Rx Mixer"},
633 {"Line Right Mux", "Line 2", "LINE2"},
634 {"Line Right Mux", "Rx Mix", "Rx Mixer"},
637 {"Line Mono Mux", "Line Mix", "Line Mixer"},
638 {"Line Mono Mux", "Rx Mix", "Rx Mixer"},
641 {"Line Mixer", "Line 1 + 2", "LINE1"},
642 {"Line Mixer", "Line 1 - 2", "LINE1"},
643 {"Line Mixer", "Line 1 + 2", "LINE2"},
644 {"Line Mixer", "Line 1 - 2", "LINE2"},
645 {"Line Mixer", "Line 1", "LINE1"},
646 {"Line Mixer", "Line 2", "LINE2"},
649 {"Rx Mixer", "RXP - RXN", "RXP"},
650 {"Rx Mixer", "RXP + RXN", "RXP"},
651 {"Rx Mixer", "RXP - RXN", "RXN"},
652 {"Rx Mixer", "RXP + RXN", "RXN"},
653 {"Rx Mixer", "RXP", "RXP"},
654 {"Rx Mixer", "RXN", "RXN"},
657 {"Mic 1 Volume", NULL
, "MIC1N"},
658 {"Mic 1 Volume", NULL
, "Mic Selection Mux"},
661 {"Mic 2 Volume", NULL
, "MIC2N"},
662 {"Mic 2 Volume", NULL
, "MIC2"},
664 /* Mic Selector Mux */
665 {"Mic Selection Mux", "Mic 1", "MIC1"},
666 {"Mic Selection Mux", "Mic 2", "MIC2N"},
667 {"Mic Selection Mux", "Mic 3", "MIC2"},
670 {"ACOP", NULL
, "ALC Mixer"},
673 static int wm8753_add_widgets(struct snd_soc_codec
*codec
)
675 snd_soc_dapm_new_controls(codec
, wm8753_dapm_widgets
,
676 ARRAY_SIZE(wm8753_dapm_widgets
));
678 snd_soc_dapm_add_routes(codec
, audio_map
, ARRAY_SIZE(audio_map
));
680 snd_soc_dapm_new_widgets(codec
);
691 /* The size in bits of the pll divide multiplied by 10
692 * to allow rounding later */
693 #define FIXED_PLL_SIZE ((1 << 22) * 10)
695 static void pll_factors(struct _pll_div
*pll_div
, unsigned int target
,
699 unsigned int K
, Ndiv
, Nmod
;
701 Ndiv
= target
/ source
;
705 Ndiv
= target
/ source
;
709 if ((Ndiv
< 6) || (Ndiv
> 12))
711 "wm8753: unsupported N = %d\n", Ndiv
);
714 Nmod
= target
% source
;
715 Kpart
= FIXED_PLL_SIZE
* (long long)Nmod
;
717 do_div(Kpart
, source
);
719 K
= Kpart
& 0xFFFFFFFF;
721 /* Check if we need to round */
725 /* Move down to proper range now rounding is done */
731 static int wm8753_set_dai_pll(struct snd_soc_dai
*codec_dai
,
732 int pll_id
, unsigned int freq_in
, unsigned int freq_out
)
736 struct snd_soc_codec
*codec
= codec_dai
->codec
;
738 if (pll_id
< WM8753_PLL1
|| pll_id
> WM8753_PLL2
)
741 if (pll_id
== WM8753_PLL1
) {
744 reg
= wm8753_read_reg_cache(codec
, WM8753_CLOCK
) & 0xffef;
748 reg
= wm8753_read_reg_cache(codec
, WM8753_CLOCK
) & 0xfff7;
751 if (!freq_in
|| !freq_out
) {
753 wm8753_write(codec
, WM8753_PLL1CTL1
+ offset
, 0x0026);
754 wm8753_write(codec
, WM8753_CLOCK
, reg
);
758 struct _pll_div pll_div
;
760 pll_factors(&pll_div
, freq_out
* 8, freq_in
);
762 /* set up N and K PLL divisor ratios */
763 /* bits 8:5 = PLL_N, bits 3:0 = PLL_K[21:18] */
764 value
= (pll_div
.n
<< 5) + ((pll_div
.k
& 0x3c0000) >> 18);
765 wm8753_write(codec
, WM8753_PLL1CTL2
+ offset
, value
);
767 /* bits 8:0 = PLL_K[17:9] */
768 value
= (pll_div
.k
& 0x03fe00) >> 9;
769 wm8753_write(codec
, WM8753_PLL1CTL3
+ offset
, value
);
771 /* bits 8:0 = PLL_K[8:0] */
772 value
= pll_div
.k
& 0x0001ff;
773 wm8753_write(codec
, WM8753_PLL1CTL4
+ offset
, value
);
775 /* set PLL as input and enable */
776 wm8753_write(codec
, WM8753_PLL1CTL1
+ offset
, 0x0027 |
777 (pll_div
.div2
<< 3));
778 wm8753_write(codec
, WM8753_CLOCK
, reg
| enable
);
790 /* codec hifi mclk (after PLL) clock divider coefficients */
791 static const struct _coeff_div coeff_div
[] = {
793 {12288000, 8000, 0x6, 0x0},
794 {11289600, 8000, 0x16, 0x0},
795 {18432000, 8000, 0x7, 0x0},
796 {16934400, 8000, 0x17, 0x0},
797 {12000000, 8000, 0x6, 0x1},
800 {11289600, 11025, 0x18, 0x0},
801 {16934400, 11025, 0x19, 0x0},
802 {12000000, 11025, 0x19, 0x1},
805 {12288000, 16000, 0xa, 0x0},
806 {18432000, 16000, 0xb, 0x0},
807 {12000000, 16000, 0xa, 0x1},
810 {11289600, 22050, 0x1a, 0x0},
811 {16934400, 22050, 0x1b, 0x0},
812 {12000000, 22050, 0x1b, 0x1},
815 {12288000, 32000, 0xc, 0x0},
816 {18432000, 32000, 0xd, 0x0},
817 {12000000, 32000, 0xa, 0x1},
820 {11289600, 44100, 0x10, 0x0},
821 {16934400, 44100, 0x11, 0x0},
822 {12000000, 44100, 0x11, 0x1},
825 {12288000, 48000, 0x0, 0x0},
826 {18432000, 48000, 0x1, 0x0},
827 {12000000, 48000, 0x0, 0x1},
830 {11289600, 88200, 0x1e, 0x0},
831 {16934400, 88200, 0x1f, 0x0},
832 {12000000, 88200, 0x1f, 0x1},
835 {12288000, 96000, 0xe, 0x0},
836 {18432000, 96000, 0xf, 0x0},
837 {12000000, 96000, 0xe, 0x1},
840 static int get_coeff(int mclk
, int rate
)
844 for (i
= 0; i
< ARRAY_SIZE(coeff_div
); i
++) {
845 if (coeff_div
[i
].rate
== rate
&& coeff_div
[i
].mclk
== mclk
)
852 * Clock after PLL and dividers
854 static int wm8753_set_dai_sysclk(struct snd_soc_dai
*codec_dai
,
855 int clk_id
, unsigned int freq
, int dir
)
857 struct snd_soc_codec
*codec
= codec_dai
->codec
;
858 struct wm8753_priv
*wm8753
= codec
->private_data
;
866 if (clk_id
== WM8753_MCLK
) {
867 wm8753
->sysclk
= freq
;
869 } else if (clk_id
== WM8753_PCMCLK
) {
870 wm8753
->pcmclk
= freq
;
879 * Set's ADC and Voice DAC format.
881 static int wm8753_vdac_adc_set_dai_fmt(struct snd_soc_dai
*codec_dai
,
884 struct snd_soc_codec
*codec
= codec_dai
->codec
;
885 u16 voice
= wm8753_read_reg_cache(codec
, WM8753_PCM
) & 0x01ec;
887 /* interface format */
888 switch (fmt
& SND_SOC_DAIFMT_FORMAT_MASK
) {
889 case SND_SOC_DAIFMT_I2S
:
892 case SND_SOC_DAIFMT_RIGHT_J
:
894 case SND_SOC_DAIFMT_LEFT_J
:
897 case SND_SOC_DAIFMT_DSP_A
:
900 case SND_SOC_DAIFMT_DSP_B
:
907 wm8753_write(codec
, WM8753_PCM
, voice
);
912 * Set PCM DAI bit size and sample rate.
914 static int wm8753_pcm_hw_params(struct snd_pcm_substream
*substream
,
915 struct snd_pcm_hw_params
*params
,
916 struct snd_soc_dai
*dai
)
918 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
919 struct snd_soc_device
*socdev
= rtd
->socdev
;
920 struct snd_soc_codec
*codec
= socdev
->card
->codec
;
921 struct wm8753_priv
*wm8753
= codec
->private_data
;
922 u16 voice
= wm8753_read_reg_cache(codec
, WM8753_PCM
) & 0x01f3;
923 u16 srate
= wm8753_read_reg_cache(codec
, WM8753_SRATE1
) & 0x017f;
926 switch (params_format(params
)) {
927 case SNDRV_PCM_FORMAT_S16_LE
:
929 case SNDRV_PCM_FORMAT_S20_3LE
:
932 case SNDRV_PCM_FORMAT_S24_LE
:
935 case SNDRV_PCM_FORMAT_S32_LE
:
941 if (params_rate(params
) * 384 == wm8753
->pcmclk
)
943 wm8753_write(codec
, WM8753_SRATE1
, srate
);
945 wm8753_write(codec
, WM8753_PCM
, voice
);
950 * Set's PCM dai fmt and BCLK.
952 static int wm8753_pcm_set_dai_fmt(struct snd_soc_dai
*codec_dai
,
955 struct snd_soc_codec
*codec
= codec_dai
->codec
;
958 voice
= wm8753_read_reg_cache(codec
, WM8753_PCM
) & 0x011f;
959 ioctl
= wm8753_read_reg_cache(codec
, WM8753_IOCTL
) & 0x015d;
961 /* set master/slave audio interface */
962 switch (fmt
& SND_SOC_DAIFMT_MASTER_MASK
) {
963 case SND_SOC_DAIFMT_CBS_CFS
:
965 case SND_SOC_DAIFMT_CBM_CFM
:
967 case SND_SOC_DAIFMT_CBM_CFS
:
974 /* clock inversion */
975 switch (fmt
& SND_SOC_DAIFMT_FORMAT_MASK
) {
976 case SND_SOC_DAIFMT_DSP_A
:
977 case SND_SOC_DAIFMT_DSP_B
:
978 /* frame inversion not valid for DSP modes */
979 switch (fmt
& SND_SOC_DAIFMT_INV_MASK
) {
980 case SND_SOC_DAIFMT_NB_NF
:
982 case SND_SOC_DAIFMT_IB_NF
:
989 case SND_SOC_DAIFMT_I2S
:
990 case SND_SOC_DAIFMT_RIGHT_J
:
991 case SND_SOC_DAIFMT_LEFT_J
:
993 switch (fmt
& SND_SOC_DAIFMT_INV_MASK
) {
994 case SND_SOC_DAIFMT_NB_NF
:
996 case SND_SOC_DAIFMT_IB_IF
:
999 case SND_SOC_DAIFMT_IB_NF
:
1002 case SND_SOC_DAIFMT_NB_IF
:
1013 wm8753_write(codec
, WM8753_PCM
, voice
);
1014 wm8753_write(codec
, WM8753_IOCTL
, ioctl
);
1018 static int wm8753_set_dai_clkdiv(struct snd_soc_dai
*codec_dai
,
1019 int div_id
, int div
)
1021 struct snd_soc_codec
*codec
= codec_dai
->codec
;
1026 reg
= wm8753_read_reg_cache(codec
, WM8753_CLOCK
) & 0x003f;
1027 wm8753_write(codec
, WM8753_CLOCK
, reg
| div
);
1029 case WM8753_BCLKDIV
:
1030 reg
= wm8753_read_reg_cache(codec
, WM8753_SRATE2
) & 0x01c7;
1031 wm8753_write(codec
, WM8753_SRATE2
, reg
| div
);
1033 case WM8753_VXCLKDIV
:
1034 reg
= wm8753_read_reg_cache(codec
, WM8753_SRATE2
) & 0x003f;
1035 wm8753_write(codec
, WM8753_SRATE2
, reg
| div
);
1044 * Set's HiFi DAC format.
1046 static int wm8753_hdac_set_dai_fmt(struct snd_soc_dai
*codec_dai
,
1049 struct snd_soc_codec
*codec
= codec_dai
->codec
;
1050 u16 hifi
= wm8753_read_reg_cache(codec
, WM8753_HIFI
) & 0x01e0;
1052 /* interface format */
1053 switch (fmt
& SND_SOC_DAIFMT_FORMAT_MASK
) {
1054 case SND_SOC_DAIFMT_I2S
:
1057 case SND_SOC_DAIFMT_RIGHT_J
:
1059 case SND_SOC_DAIFMT_LEFT_J
:
1062 case SND_SOC_DAIFMT_DSP_A
:
1065 case SND_SOC_DAIFMT_DSP_B
:
1072 wm8753_write(codec
, WM8753_HIFI
, hifi
);
1077 * Set's I2S DAI format.
1079 static int wm8753_i2s_set_dai_fmt(struct snd_soc_dai
*codec_dai
,
1082 struct snd_soc_codec
*codec
= codec_dai
->codec
;
1085 hifi
= wm8753_read_reg_cache(codec
, WM8753_HIFI
) & 0x011f;
1086 ioctl
= wm8753_read_reg_cache(codec
, WM8753_IOCTL
) & 0x00ae;
1088 /* set master/slave audio interface */
1089 switch (fmt
& SND_SOC_DAIFMT_MASTER_MASK
) {
1090 case SND_SOC_DAIFMT_CBS_CFS
:
1092 case SND_SOC_DAIFMT_CBM_CFM
:
1094 case SND_SOC_DAIFMT_CBM_CFS
:
1101 /* clock inversion */
1102 switch (fmt
& SND_SOC_DAIFMT_FORMAT_MASK
) {
1103 case SND_SOC_DAIFMT_DSP_A
:
1104 case SND_SOC_DAIFMT_DSP_B
:
1105 /* frame inversion not valid for DSP modes */
1106 switch (fmt
& SND_SOC_DAIFMT_INV_MASK
) {
1107 case SND_SOC_DAIFMT_NB_NF
:
1109 case SND_SOC_DAIFMT_IB_NF
:
1116 case SND_SOC_DAIFMT_I2S
:
1117 case SND_SOC_DAIFMT_RIGHT_J
:
1118 case SND_SOC_DAIFMT_LEFT_J
:
1120 switch (fmt
& SND_SOC_DAIFMT_INV_MASK
) {
1121 case SND_SOC_DAIFMT_NB_NF
:
1123 case SND_SOC_DAIFMT_IB_IF
:
1126 case SND_SOC_DAIFMT_IB_NF
:
1129 case SND_SOC_DAIFMT_NB_IF
:
1140 wm8753_write(codec
, WM8753_HIFI
, hifi
);
1141 wm8753_write(codec
, WM8753_IOCTL
, ioctl
);
1146 * Set PCM DAI bit size and sample rate.
1148 static int wm8753_i2s_hw_params(struct snd_pcm_substream
*substream
,
1149 struct snd_pcm_hw_params
*params
,
1150 struct snd_soc_dai
*dai
)
1152 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
1153 struct snd_soc_device
*socdev
= rtd
->socdev
;
1154 struct snd_soc_codec
*codec
= socdev
->card
->codec
;
1155 struct wm8753_priv
*wm8753
= codec
->private_data
;
1156 u16 srate
= wm8753_read_reg_cache(codec
, WM8753_SRATE1
) & 0x01c0;
1157 u16 hifi
= wm8753_read_reg_cache(codec
, WM8753_HIFI
) & 0x01f3;
1160 /* is digital filter coefficient valid ? */
1161 coeff
= get_coeff(wm8753
->sysclk
, params_rate(params
));
1163 printk(KERN_ERR
"wm8753 invalid MCLK or rate\n");
1166 wm8753_write(codec
, WM8753_SRATE1
, srate
| (coeff_div
[coeff
].sr
<< 1) |
1167 coeff_div
[coeff
].usb
);
1170 switch (params_format(params
)) {
1171 case SNDRV_PCM_FORMAT_S16_LE
:
1173 case SNDRV_PCM_FORMAT_S20_3LE
:
1176 case SNDRV_PCM_FORMAT_S24_LE
:
1179 case SNDRV_PCM_FORMAT_S32_LE
:
1184 wm8753_write(codec
, WM8753_HIFI
, hifi
);
1188 static int wm8753_mode1v_set_dai_fmt(struct snd_soc_dai
*codec_dai
,
1191 struct snd_soc_codec
*codec
= codec_dai
->codec
;
1194 /* set clk source as pcmclk */
1195 clock
= wm8753_read_reg_cache(codec
, WM8753_CLOCK
) & 0xfffb;
1196 wm8753_write(codec
, WM8753_CLOCK
, clock
);
1198 if (wm8753_vdac_adc_set_dai_fmt(codec_dai
, fmt
) < 0)
1200 return wm8753_pcm_set_dai_fmt(codec_dai
, fmt
);
1203 static int wm8753_mode1h_set_dai_fmt(struct snd_soc_dai
*codec_dai
,
1206 if (wm8753_hdac_set_dai_fmt(codec_dai
, fmt
) < 0)
1208 return wm8753_i2s_set_dai_fmt(codec_dai
, fmt
);
1211 static int wm8753_mode2_set_dai_fmt(struct snd_soc_dai
*codec_dai
,
1214 struct snd_soc_codec
*codec
= codec_dai
->codec
;
1217 /* set clk source as pcmclk */
1218 clock
= wm8753_read_reg_cache(codec
, WM8753_CLOCK
) & 0xfffb;
1219 wm8753_write(codec
, WM8753_CLOCK
, clock
);
1221 if (wm8753_vdac_adc_set_dai_fmt(codec_dai
, fmt
) < 0)
1223 return wm8753_i2s_set_dai_fmt(codec_dai
, fmt
);
1226 static int wm8753_mode3_4_set_dai_fmt(struct snd_soc_dai
*codec_dai
,
1229 struct snd_soc_codec
*codec
= codec_dai
->codec
;
1232 /* set clk source as mclk */
1233 clock
= wm8753_read_reg_cache(codec
, WM8753_CLOCK
) & 0xfffb;
1234 wm8753_write(codec
, WM8753_CLOCK
, clock
| 0x4);
1236 if (wm8753_hdac_set_dai_fmt(codec_dai
, fmt
) < 0)
1238 if (wm8753_vdac_adc_set_dai_fmt(codec_dai
, fmt
) < 0)
1240 return wm8753_i2s_set_dai_fmt(codec_dai
, fmt
);
1243 static int wm8753_mute(struct snd_soc_dai
*dai
, int mute
)
1245 struct snd_soc_codec
*codec
= dai
->codec
;
1246 u16 mute_reg
= wm8753_read_reg_cache(codec
, WM8753_DAC
) & 0xfff7;
1248 /* the digital mute covers the HiFi and Voice DAC's on the WM8753.
1249 * make sure we check if they are not both active when we mute */
1250 if (mute
&& dai
->id
== 1) {
1251 if (!wm8753_dai
[WM8753_DAI_VOICE
].playback
.active
||
1252 !wm8753_dai
[WM8753_DAI_HIFI
].playback
.active
)
1253 wm8753_write(codec
, WM8753_DAC
, mute_reg
| 0x8);
1256 wm8753_write(codec
, WM8753_DAC
, mute_reg
| 0x8);
1258 wm8753_write(codec
, WM8753_DAC
, mute_reg
);
1264 static int wm8753_set_bias_level(struct snd_soc_codec
*codec
,
1265 enum snd_soc_bias_level level
)
1267 u16 pwr_reg
= wm8753_read_reg_cache(codec
, WM8753_PWR1
) & 0xfe3e;
1270 case SND_SOC_BIAS_ON
:
1271 /* set vmid to 50k and unmute dac */
1272 wm8753_write(codec
, WM8753_PWR1
, pwr_reg
| 0x00c0);
1274 case SND_SOC_BIAS_PREPARE
:
1275 /* set vmid to 5k for quick power up */
1276 wm8753_write(codec
, WM8753_PWR1
, pwr_reg
| 0x01c1);
1278 case SND_SOC_BIAS_STANDBY
:
1279 /* mute dac and set vmid to 500k, enable VREF */
1280 wm8753_write(codec
, WM8753_PWR1
, pwr_reg
| 0x0141);
1282 case SND_SOC_BIAS_OFF
:
1283 wm8753_write(codec
, WM8753_PWR1
, 0x0001);
1286 codec
->bias_level
= level
;
1290 #define WM8753_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
1291 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
1292 SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
1293 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
1295 #define WM8753_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1296 SNDRV_PCM_FMTBIT_S24_LE)
1299 * The WM8753 supports upto 4 different and mutually exclusive DAI
1300 * configurations. This gives 2 PCM's available for use, hifi and voice.
1301 * NOTE: The Voice PCM cannot play or capture audio to the CPU as it's DAI
1302 * is connected between the wm8753 and a BT codec or GSM modem.
1304 * 1. Voice over PCM DAI - HIFI DAC over HIFI DAI
1305 * 2. Voice over HIFI DAI - HIFI disabled
1306 * 3. Voice disabled - HIFI over HIFI
1307 * 4. Voice disabled - HIFI over HIFI, uses voice DAI LRC for capture
1309 static struct snd_soc_dai_ops wm8753_dai_ops_hifi_mode1
= {
1310 .hw_params
= wm8753_i2s_hw_params
,
1311 .digital_mute
= wm8753_mute
,
1312 .set_fmt
= wm8753_mode1h_set_dai_fmt
,
1313 .set_clkdiv
= wm8753_set_dai_clkdiv
,
1314 .set_pll
= wm8753_set_dai_pll
,
1315 .set_sysclk
= wm8753_set_dai_sysclk
,
1318 static struct snd_soc_dai_ops wm8753_dai_ops_voice_mode1
= {
1319 .hw_params
= wm8753_pcm_hw_params
,
1320 .digital_mute
= wm8753_mute
,
1321 .set_fmt
= wm8753_mode1v_set_dai_fmt
,
1322 .set_clkdiv
= wm8753_set_dai_clkdiv
,
1323 .set_pll
= wm8753_set_dai_pll
,
1324 .set_sysclk
= wm8753_set_dai_sysclk
,
1327 static struct snd_soc_dai_ops wm8753_dai_ops_voice_mode2
= {
1328 .hw_params
= wm8753_pcm_hw_params
,
1329 .digital_mute
= wm8753_mute
,
1330 .set_fmt
= wm8753_mode2_set_dai_fmt
,
1331 .set_clkdiv
= wm8753_set_dai_clkdiv
,
1332 .set_pll
= wm8753_set_dai_pll
,
1333 .set_sysclk
= wm8753_set_dai_sysclk
,
1336 static struct snd_soc_dai_ops wm8753_dai_ops_hifi_mode3
= {
1337 .hw_params
= wm8753_i2s_hw_params
,
1338 .digital_mute
= wm8753_mute
,
1339 .set_fmt
= wm8753_mode3_4_set_dai_fmt
,
1340 .set_clkdiv
= wm8753_set_dai_clkdiv
,
1341 .set_pll
= wm8753_set_dai_pll
,
1342 .set_sysclk
= wm8753_set_dai_sysclk
,
1345 static struct snd_soc_dai_ops wm8753_dai_ops_hifi_mode4
= {
1346 .hw_params
= wm8753_i2s_hw_params
,
1347 .digital_mute
= wm8753_mute
,
1348 .set_fmt
= wm8753_mode3_4_set_dai_fmt
,
1349 .set_clkdiv
= wm8753_set_dai_clkdiv
,
1350 .set_pll
= wm8753_set_dai_pll
,
1351 .set_sysclk
= wm8753_set_dai_sysclk
,
1354 static const struct snd_soc_dai wm8753_all_dai
[] = {
1355 /* DAI HiFi mode 1 */
1356 { .name
= "WM8753 HiFi",
1359 .stream_name
= "HiFi Playback",
1362 .rates
= WM8753_RATES
,
1363 .formats
= WM8753_FORMATS
},
1364 .capture
= { /* dummy for fast DAI switching */
1365 .stream_name
= "Capture",
1368 .rates
= WM8753_RATES
,
1369 .formats
= WM8753_FORMATS
},
1370 .ops
= &wm8753_dai_ops_hifi_mode1
,
1372 /* DAI Voice mode 1 */
1373 { .name
= "WM8753 Voice",
1376 .stream_name
= "Voice Playback",
1379 .rates
= WM8753_RATES
,
1380 .formats
= WM8753_FORMATS
,},
1382 .stream_name
= "Capture",
1385 .rates
= WM8753_RATES
,
1386 .formats
= WM8753_FORMATS
,},
1387 .ops
= &wm8753_dai_ops_voice_mode1
,
1389 /* DAI HiFi mode 2 - dummy */
1390 { .name
= "WM8753 HiFi",
1393 /* DAI Voice mode 2 */
1394 { .name
= "WM8753 Voice",
1397 .stream_name
= "Voice Playback",
1400 .rates
= WM8753_RATES
,
1401 .formats
= WM8753_FORMATS
,},
1403 .stream_name
= "Capture",
1406 .rates
= WM8753_RATES
,
1407 .formats
= WM8753_FORMATS
,},
1408 .ops
= &wm8753_dai_ops_voice_mode2
,
1410 /* DAI HiFi mode 3 */
1411 { .name
= "WM8753 HiFi",
1414 .stream_name
= "HiFi Playback",
1417 .rates
= WM8753_RATES
,
1418 .formats
= WM8753_FORMATS
,},
1420 .stream_name
= "Capture",
1423 .rates
= WM8753_RATES
,
1424 .formats
= WM8753_FORMATS
,},
1425 .ops
= &wm8753_dai_ops_hifi_mode3
,
1427 /* DAI Voice mode 3 - dummy */
1428 { .name
= "WM8753 Voice",
1431 /* DAI HiFi mode 4 */
1432 { .name
= "WM8753 HiFi",
1435 .stream_name
= "HiFi Playback",
1438 .rates
= WM8753_RATES
,
1439 .formats
= WM8753_FORMATS
,},
1441 .stream_name
= "Capture",
1444 .rates
= WM8753_RATES
,
1445 .formats
= WM8753_FORMATS
,},
1446 .ops
= &wm8753_dai_ops_hifi_mode4
,
1448 /* DAI Voice mode 4 - dummy */
1449 { .name
= "WM8753 Voice",
1454 struct snd_soc_dai wm8753_dai
[] = {
1456 .name
= "WM8753 DAI 0",
1459 .name
= "WM8753 DAI 1",
1462 EXPORT_SYMBOL_GPL(wm8753_dai
);
1464 static void wm8753_set_dai_mode(struct snd_soc_codec
*codec
, unsigned int mode
)
1467 int playback_active
, capture_active
, codec_active
, pop_wait
;
1469 struct list_head list
;
1471 playback_active
= wm8753_dai
[0].playback
.active
;
1472 capture_active
= wm8753_dai
[0].capture
.active
;
1473 codec_active
= wm8753_dai
[0].active
;
1474 private_data
= wm8753_dai
[0].private_data
;
1475 pop_wait
= wm8753_dai
[0].pop_wait
;
1476 list
= wm8753_dai
[0].list
;
1477 wm8753_dai
[0] = wm8753_all_dai
[mode
<< 1];
1478 wm8753_dai
[0].playback
.active
= playback_active
;
1479 wm8753_dai
[0].capture
.active
= capture_active
;
1480 wm8753_dai
[0].active
= codec_active
;
1481 wm8753_dai
[0].private_data
= private_data
;
1482 wm8753_dai
[0].pop_wait
= pop_wait
;
1483 wm8753_dai
[0].list
= list
;
1485 playback_active
= wm8753_dai
[1].playback
.active
;
1486 capture_active
= wm8753_dai
[1].capture
.active
;
1487 codec_active
= wm8753_dai
[1].active
;
1488 private_data
= wm8753_dai
[1].private_data
;
1489 pop_wait
= wm8753_dai
[1].pop_wait
;
1490 list
= wm8753_dai
[1].list
;
1491 wm8753_dai
[1] = wm8753_all_dai
[(mode
<< 1) + 1];
1492 wm8753_dai
[1].playback
.active
= playback_active
;
1493 wm8753_dai
[1].capture
.active
= capture_active
;
1494 wm8753_dai
[1].active
= codec_active
;
1495 wm8753_dai
[1].private_data
= private_data
;
1496 wm8753_dai
[1].pop_wait
= pop_wait
;
1497 wm8753_dai
[1].list
= list
;
1499 wm8753_dai
[0].codec
= codec
;
1500 wm8753_dai
[1].codec
= codec
;
1503 static void wm8753_work(struct work_struct
*work
)
1505 struct snd_soc_codec
*codec
=
1506 container_of(work
, struct snd_soc_codec
, delayed_work
.work
);
1507 wm8753_set_bias_level(codec
, codec
->bias_level
);
1510 static int wm8753_suspend(struct platform_device
*pdev
, pm_message_t state
)
1512 struct snd_soc_device
*socdev
= platform_get_drvdata(pdev
);
1513 struct snd_soc_codec
*codec
= socdev
->card
->codec
;
1515 /* we only need to suspend if we are a valid card */
1519 wm8753_set_bias_level(codec
, SND_SOC_BIAS_OFF
);
1523 static int wm8753_resume(struct platform_device
*pdev
)
1525 struct snd_soc_device
*socdev
= platform_get_drvdata(pdev
);
1526 struct snd_soc_codec
*codec
= socdev
->card
->codec
;
1529 u16
*cache
= codec
->reg_cache
;
1531 /* we only need to resume if we are a valid card */
1535 /* Sync reg_cache with the hardware */
1536 for (i
= 0; i
< ARRAY_SIZE(wm8753_reg
); i
++) {
1537 if (i
+ 1 == WM8753_RESET
)
1540 /* No point in writing hardware default values back */
1541 if (cache
[i
] == wm8753_reg
[i
])
1544 data
[0] = ((i
+ 1) << 1) | ((cache
[i
] >> 8) & 0x0001);
1545 data
[1] = cache
[i
] & 0x00ff;
1546 codec
->hw_write(codec
->control_data
, data
, 2);
1549 wm8753_set_bias_level(codec
, SND_SOC_BIAS_STANDBY
);
1551 /* charge wm8753 caps */
1552 if (codec
->suspend_bias_level
== SND_SOC_BIAS_ON
) {
1553 wm8753_set_bias_level(codec
, SND_SOC_BIAS_PREPARE
);
1554 codec
->bias_level
= SND_SOC_BIAS_ON
;
1555 schedule_delayed_work(&codec
->delayed_work
,
1556 msecs_to_jiffies(caps_charge
));
1562 static struct snd_soc_codec
*wm8753_codec
;
1564 static int wm8753_probe(struct platform_device
*pdev
)
1566 struct snd_soc_device
*socdev
= platform_get_drvdata(pdev
);
1567 struct snd_soc_codec
*codec
;
1570 if (!wm8753_codec
) {
1571 dev_err(&pdev
->dev
, "WM8753 codec not yet registered\n");
1575 socdev
->card
->codec
= wm8753_codec
;
1576 codec
= wm8753_codec
;
1578 wm8753_set_dai_mode(codec
, 0);
1581 ret
= snd_soc_new_pcms(socdev
, SNDRV_DEFAULT_IDX1
, SNDRV_DEFAULT_STR1
);
1583 printk(KERN_ERR
"wm8753: failed to create pcms\n");
1587 snd_soc_add_controls(codec
, wm8753_snd_controls
,
1588 ARRAY_SIZE(wm8753_snd_controls
));
1589 wm8753_add_widgets(codec
);
1590 ret
= snd_soc_init_card(socdev
);
1592 printk(KERN_ERR
"wm8753: failed to register card\n");
1599 snd_soc_free_pcms(socdev
);
1600 snd_soc_dapm_free(socdev
);
1607 * This function forces any delayed work to be queued and run.
1609 static int run_delayed_work(struct delayed_work
*dwork
)
1613 /* cancel any work waiting to be queued. */
1614 ret
= cancel_delayed_work(dwork
);
1616 /* if there was any work waiting then we run it now and
1617 * wait for it's completion */
1619 schedule_delayed_work(dwork
, 0);
1620 flush_scheduled_work();
1625 /* power down chip */
1626 static int wm8753_remove(struct platform_device
*pdev
)
1628 struct snd_soc_device
*socdev
= platform_get_drvdata(pdev
);
1630 snd_soc_free_pcms(socdev
);
1631 snd_soc_dapm_free(socdev
);
1636 struct snd_soc_codec_device soc_codec_dev_wm8753
= {
1637 .probe
= wm8753_probe
,
1638 .remove
= wm8753_remove
,
1639 .suspend
= wm8753_suspend
,
1640 .resume
= wm8753_resume
,
1642 EXPORT_SYMBOL_GPL(soc_codec_dev_wm8753
);
1644 static int wm8753_register(struct wm8753_priv
*wm8753
)
1647 struct snd_soc_codec
*codec
= &wm8753
->codec
;
1651 dev_err(codec
->dev
, "Multiple WM8753 devices not supported\n");
1656 mutex_init(&codec
->mutex
);
1657 INIT_LIST_HEAD(&codec
->dapm_widgets
);
1658 INIT_LIST_HEAD(&codec
->dapm_paths
);
1660 codec
->name
= "WM8753";
1661 codec
->owner
= THIS_MODULE
;
1662 codec
->read
= wm8753_read_reg_cache
;
1663 codec
->write
= wm8753_write
;
1664 codec
->bias_level
= SND_SOC_BIAS_STANDBY
;
1665 codec
->set_bias_level
= wm8753_set_bias_level
;
1666 codec
->dai
= wm8753_dai
;
1668 codec
->reg_cache_size
= ARRAY_SIZE(wm8753
->reg_cache
);
1669 codec
->reg_cache
= &wm8753
->reg_cache
;
1670 codec
->private_data
= wm8753
;
1672 memcpy(codec
->reg_cache
, wm8753_reg
, sizeof(codec
->reg_cache
));
1673 INIT_DELAYED_WORK(&codec
->delayed_work
, wm8753_work
);
1675 ret
= wm8753_reset(codec
);
1677 dev_err(codec
->dev
, "Failed to issue reset\n");
1681 /* charge output caps */
1682 wm8753_set_bias_level(codec
, SND_SOC_BIAS_PREPARE
);
1683 schedule_delayed_work(&codec
->delayed_work
,
1684 msecs_to_jiffies(caps_charge
));
1686 /* set the update bits */
1687 reg
= wm8753_read_reg_cache(codec
, WM8753_LDAC
);
1688 wm8753_write(codec
, WM8753_LDAC
, reg
| 0x0100);
1689 reg
= wm8753_read_reg_cache(codec
, WM8753_RDAC
);
1690 wm8753_write(codec
, WM8753_RDAC
, reg
| 0x0100);
1691 reg
= wm8753_read_reg_cache(codec
, WM8753_LADC
);
1692 wm8753_write(codec
, WM8753_LADC
, reg
| 0x0100);
1693 reg
= wm8753_read_reg_cache(codec
, WM8753_RADC
);
1694 wm8753_write(codec
, WM8753_RADC
, reg
| 0x0100);
1695 reg
= wm8753_read_reg_cache(codec
, WM8753_LOUT1V
);
1696 wm8753_write(codec
, WM8753_LOUT1V
, reg
| 0x0100);
1697 reg
= wm8753_read_reg_cache(codec
, WM8753_ROUT1V
);
1698 wm8753_write(codec
, WM8753_ROUT1V
, reg
| 0x0100);
1699 reg
= wm8753_read_reg_cache(codec
, WM8753_LOUT2V
);
1700 wm8753_write(codec
, WM8753_LOUT2V
, reg
| 0x0100);
1701 reg
= wm8753_read_reg_cache(codec
, WM8753_ROUT2V
);
1702 wm8753_write(codec
, WM8753_ROUT2V
, reg
| 0x0100);
1703 reg
= wm8753_read_reg_cache(codec
, WM8753_LINVOL
);
1704 wm8753_write(codec
, WM8753_LINVOL
, reg
| 0x0100);
1705 reg
= wm8753_read_reg_cache(codec
, WM8753_RINVOL
);
1706 wm8753_write(codec
, WM8753_RINVOL
, reg
| 0x0100);
1708 wm8753_codec
= codec
;
1710 for (i
= 0; i
< ARRAY_SIZE(wm8753_dai
); i
++)
1711 wm8753_dai
[i
].dev
= codec
->dev
;
1713 ret
= snd_soc_register_codec(codec
);
1715 dev_err(codec
->dev
, "Failed to register codec: %d\n", ret
);
1719 ret
= snd_soc_register_dais(&wm8753_dai
[0], ARRAY_SIZE(wm8753_dai
));
1721 dev_err(codec
->dev
, "Failed to register DAIs: %d\n", ret
);
1728 run_delayed_work(&codec
->delayed_work
);
1729 snd_soc_unregister_codec(codec
);
1735 static void wm8753_unregister(struct wm8753_priv
*wm8753
)
1737 wm8753_set_bias_level(&wm8753
->codec
, SND_SOC_BIAS_OFF
);
1738 run_delayed_work(&wm8753
->codec
.delayed_work
);
1739 snd_soc_unregister_dais(&wm8753_dai
[0], ARRAY_SIZE(wm8753_dai
));
1740 snd_soc_unregister_codec(&wm8753
->codec
);
1742 wm8753_codec
= NULL
;
1745 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1747 static int wm8753_i2c_probe(struct i2c_client
*i2c
,
1748 const struct i2c_device_id
*id
)
1750 struct snd_soc_codec
*codec
;
1751 struct wm8753_priv
*wm8753
;
1753 wm8753
= kzalloc(sizeof(struct wm8753_priv
), GFP_KERNEL
);
1757 codec
= &wm8753
->codec
;
1758 codec
->hw_write
= (hw_write_t
)i2c_master_send
;
1759 codec
->control_data
= i2c
;
1760 i2c_set_clientdata(i2c
, wm8753
);
1762 codec
->dev
= &i2c
->dev
;
1764 return wm8753_register(wm8753
);
1767 static int wm8753_i2c_remove(struct i2c_client
*client
)
1769 struct wm8753_priv
*wm8753
= i2c_get_clientdata(client
);
1770 wm8753_unregister(wm8753
);
1774 static const struct i2c_device_id wm8753_i2c_id
[] = {
1778 MODULE_DEVICE_TABLE(i2c
, wm8753_i2c_id
);
1780 static struct i2c_driver wm8753_i2c_driver
= {
1783 .owner
= THIS_MODULE
,
1785 .probe
= wm8753_i2c_probe
,
1786 .remove
= wm8753_i2c_remove
,
1787 .id_table
= wm8753_i2c_id
,
1791 #if defined(CONFIG_SPI_MASTER)
1792 static int wm8753_spi_write(struct spi_device
*spi
, const char *data
, int len
)
1794 struct spi_transfer t
;
1795 struct spi_message m
;
1804 spi_message_init(&m
);
1805 memset(&t
, 0, (sizeof t
));
1810 spi_message_add_tail(&t
, &m
);
1816 static int __devinit
wm8753_spi_probe(struct spi_device
*spi
)
1818 struct snd_soc_codec
*codec
;
1819 struct wm8753_priv
*wm8753
;
1821 wm8753
= kzalloc(sizeof(struct wm8753_priv
), GFP_KERNEL
);
1825 codec
= &wm8753
->codec
;
1826 codec
->control_data
= spi
;
1827 codec
->hw_write
= (hw_write_t
)wm8753_spi_write
;
1828 codec
->dev
= &spi
->dev
;
1830 spi
->dev
.driver_data
= wm8753
;
1832 return wm8753_register(wm8753
);
1835 static int __devexit
wm8753_spi_remove(struct spi_device
*spi
)
1837 struct wm8753_priv
*wm8753
= spi
->dev
.driver_data
;
1838 wm8753_unregister(wm8753
);
1842 static struct spi_driver wm8753_spi_driver
= {
1845 .bus
= &spi_bus_type
,
1846 .owner
= THIS_MODULE
,
1848 .probe
= wm8753_spi_probe
,
1849 .remove
= __devexit_p(wm8753_spi_remove
),
1853 static int __init
wm8753_modinit(void)
1856 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1857 ret
= i2c_add_driver(&wm8753_i2c_driver
);
1859 pr_err("Failed to register WM8753 I2C driver: %d\n", ret
);
1861 #if defined(CONFIG_SPI_MASTER)
1862 ret
= spi_register_driver(&wm8753_spi_driver
);
1864 pr_err("Failed to register WM8753 SPI driver: %d\n", ret
);
1868 module_init(wm8753_modinit
);
1870 static void __exit
wm8753_exit(void)
1872 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1873 i2c_del_driver(&wm8753_i2c_driver
);
1875 #if defined(CONFIG_SPI_MASTER)
1876 spi_unregister_driver(&wm8753_spi_driver
);
1879 module_exit(wm8753_exit
);
1881 MODULE_DESCRIPTION("ASoC WM8753 driver");
1882 MODULE_AUTHOR("Liam Girdwood");
1883 MODULE_LICENSE("GPL");