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1 | /* |
2 | * wm8753.c -- WM8753 ALSA Soc Audio driver | |
3 | * | |
4 | * Copyright 2003 Wolfson Microelectronics PLC. | |
5 | * Author: Liam Girdwood | |
6 | * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2 of the License, or (at your | |
11 | * option) any later version. | |
12 | * | |
13 | * Notes: | |
14 | * The WM8753 is a low power, high quality stereo codec with integrated PCM | |
15 | * codec designed for portable digital telephony applications. | |
16 | * | |
17 | * Dual DAI:- | |
18 | * | |
19 | * This driver support 2 DAI PCM's. This makes the default PCM available for | |
20 | * HiFi audio (e.g. MP3, ogg) playback/capture and the other PCM available for | |
21 | * voice. | |
22 | * | |
23 | * Please note that the voice PCM can be connected directly to a Bluetooth | |
24 | * codec or GSM modem and thus cannot be read or written to, although it is | |
25 | * available to be configured with snd_hw_params(), etc and kcontrols in the | |
26 | * normal alsa manner. | |
27 | * | |
28 | * Fast DAI switching:- | |
29 | * | |
30 | * The driver can now fast switch between the DAI configurations via a | |
31 | * an alsa kcontrol. This allows the PCM to remain open. | |
32 | * | |
33 | */ | |
34 | ||
35 | #include <linux/module.h> | |
36 | #include <linux/moduleparam.h> | |
37 | #include <linux/version.h> | |
38 | #include <linux/kernel.h> | |
39 | #include <linux/init.h> | |
40 | #include <linux/delay.h> | |
41 | #include <linux/pm.h> | |
42 | #include <linux/i2c.h> | |
43 | #include <linux/platform_device.h> | |
44 | #include <sound/driver.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/soc-dapm.h> | |
50 | #include <sound/initval.h> | |
51 | #include <asm/div64.h> | |
52 | ||
53 | #include "wm8753.h" | |
54 | ||
55 | #define AUDIO_NAME "wm8753" | |
56 | #define WM8753_VERSION "0.16" | |
57 | ||
58 | /* | |
59 | * Debug | |
60 | */ | |
61 | ||
62 | #define WM8753_DEBUG 0 | |
63 | ||
64 | #ifdef WM8753_DEBUG | |
65 | #define dbg(format, arg...) \ | |
66 | printk(KERN_DEBUG AUDIO_NAME ": " format "\n" , ## arg) | |
67 | #else | |
68 | #define dbg(format, arg...) do {} while (0) | |
69 | #endif | |
70 | #define err(format, arg...) \ | |
71 | printk(KERN_ERR AUDIO_NAME ": " format "\n" , ## arg) | |
72 | #define info(format, arg...) \ | |
73 | printk(KERN_INFO AUDIO_NAME ": " format "\n" , ## arg) | |
74 | #define warn(format, arg...) \ | |
75 | printk(KERN_WARNING AUDIO_NAME ": " format "\n" , ## arg) | |
76 | ||
77 | static int caps_charge = 2000; | |
78 | module_param(caps_charge, int, 0); | |
79 | MODULE_PARM_DESC(caps_charge, "WM8753 cap charge time (msecs)"); | |
80 | ||
81 | static void wm8753_set_dai_mode(struct snd_soc_codec *codec, | |
82 | unsigned int mode); | |
83 | ||
84 | /* codec private data */ | |
85 | struct wm8753_priv { | |
86 | unsigned int sysclk; | |
87 | unsigned int pcmclk; | |
88 | }; | |
89 | ||
90 | /* | |
91 | * wm8753 register cache | |
92 | * We can't read the WM8753 register space when we | |
93 | * are using 2 wire for device control, so we cache them instead. | |
94 | */ | |
95 | static const u16 wm8753_reg[] = { | |
96 | 0x0008, 0x0000, 0x000a, 0x000a, | |
97 | 0x0033, 0x0000, 0x0007, 0x00ff, | |
98 | 0x00ff, 0x000f, 0x000f, 0x007b, | |
99 | 0x0000, 0x0032, 0x0000, 0x00c3, | |
100 | 0x00c3, 0x00c0, 0x0000, 0x0000, | |
101 | 0x0000, 0x0000, 0x0000, 0x0000, | |
102 | 0x0000, 0x0000, 0x0000, 0x0000, | |
103 | 0x0000, 0x0000, 0x0000, 0x0055, | |
104 | 0x0005, 0x0050, 0x0055, 0x0050, | |
105 | 0x0055, 0x0050, 0x0055, 0x0079, | |
106 | 0x0079, 0x0079, 0x0079, 0x0079, | |
107 | 0x0000, 0x0000, 0x0000, 0x0000, | |
108 | 0x0097, 0x0097, 0x0000, 0x0004, | |
109 | 0x0000, 0x0083, 0x0024, 0x01ba, | |
110 | 0x0000, 0x0083, 0x0024, 0x01ba, | |
111 | 0x0000, 0x0000 | |
112 | }; | |
113 | ||
114 | /* | |
115 | * read wm8753 register cache | |
116 | */ | |
117 | static inline unsigned int wm8753_read_reg_cache(struct snd_soc_codec *codec, | |
118 | unsigned int reg) | |
119 | { | |
120 | u16 *cache = codec->reg_cache; | |
121 | if (reg < 1 || reg > (ARRAY_SIZE(wm8753_reg) + 1)) | |
122 | return -1; | |
123 | return cache[reg - 1]; | |
124 | } | |
125 | ||
126 | /* | |
127 | * write wm8753 register cache | |
128 | */ | |
129 | static inline void wm8753_write_reg_cache(struct snd_soc_codec *codec, | |
130 | unsigned int reg, unsigned int value) | |
131 | { | |
132 | u16 *cache = codec->reg_cache; | |
133 | if (reg < 1 || reg > 0x3f) | |
134 | return; | |
135 | cache[reg - 1] = value; | |
136 | } | |
137 | ||
138 | /* | |
139 | * write to the WM8753 register space | |
140 | */ | |
141 | static int wm8753_write(struct snd_soc_codec *codec, unsigned int reg, | |
142 | unsigned int value) | |
143 | { | |
144 | u8 data[2]; | |
145 | ||
146 | /* data is | |
147 | * D15..D9 WM8753 register offset | |
148 | * D8...D0 register data | |
149 | */ | |
150 | data[0] = (reg << 1) | ((value >> 8) & 0x0001); | |
151 | data[1] = value & 0x00ff; | |
152 | ||
153 | wm8753_write_reg_cache (codec, reg, value); | |
154 | if (codec->hw_write(codec->control_data, data, 2) == 2) | |
155 | return 0; | |
156 | else | |
157 | return -EIO; | |
158 | } | |
159 | ||
160 | #define wm8753_reset(c) wm8753_write(c, WM8753_RESET, 0) | |
161 | ||
162 | /* | |
163 | * WM8753 Controls | |
164 | */ | |
165 | static const char *wm8753_base[] = {"Linear Control", "Adaptive Boost"}; | |
166 | static const char *wm8753_base_filter[] = | |
167 | {"130Hz @ 48kHz", "200Hz @ 48kHz", "100Hz @ 16kHz", "400Hz @ 48kHz", | |
168 | "100Hz @ 8kHz", "200Hz @ 8kHz"}; | |
169 | static const char *wm8753_treble[] = {"8kHz", "4kHz"}; | |
170 | static const char *wm8753_alc_func[] = {"Off", "Right", "Left", "Stereo"}; | |
171 | static const char *wm8753_ng_type[] = {"Constant PGA Gain", "Mute ADC Output"}; | |
172 | static const char *wm8753_3d_func[] = {"Capture", "Playback"}; | |
173 | static const char *wm8753_3d_uc[] = {"2.2kHz", "1.5kHz"}; | |
174 | static const char *wm8753_3d_lc[] = {"200Hz", "500Hz"}; | |
175 | static const char *wm8753_deemp[] = {"None", "32kHz", "44.1kHz", "48kHz"}; | |
176 | static const char *wm8753_mono_mix[] = {"Stereo", "Left", "Right", "Mono"}; | |
177 | static const char *wm8753_dac_phase[] = {"Non Inverted", "Inverted"}; | |
178 | static const char *wm8753_line_mix[] = {"Line 1 + 2", "Line 1 - 2", | |
179 | "Line 1", "Line 2"}; | |
180 | static const char *wm8753_mono_mux[] = {"Line Mix", "Rx Mix"}; | |
181 | static const char *wm8753_right_mux[] = {"Line 2", "Rx Mix"}; | |
182 | static const char *wm8753_left_mux[] = {"Line 1", "Rx Mix"}; | |
183 | static const char *wm8753_rxmsel[] = {"RXP - RXN", "RXP + RXN", "RXP", "RXN"}; | |
184 | static const char *wm8753_sidetone_mux[] = {"Left PGA", "Mic 1", "Mic 2", | |
185 | "Right PGA"}; | |
186 | static const char *wm8753_mono2_src[] = {"Inverted Mono 1", "Left", "Right", | |
187 | "Left + Right"}; | |
188 | static const char *wm8753_out3[] = {"VREF", "ROUT2", "Left + Right"}; | |
189 | static const char *wm8753_out4[] = {"VREF", "Capture ST", "LOUT2"}; | |
190 | static const char *wm8753_radcsel[] = {"PGA", "Line or RXP-RXN", "Sidetone"}; | |
191 | static const char *wm8753_ladcsel[] = {"PGA", "Line or RXP-RXN", "Line"}; | |
192 | static const char *wm8753_mono_adc[] = {"Stereo", "Analogue Mix Left", | |
193 | "Analogue Mix Right", "Digital Mono Mix"}; | |
194 | static const char *wm8753_adc_hp[] = {"3.4Hz @ 48kHz", "82Hz @ 16k", | |
195 | "82Hz @ 8kHz", "170Hz @ 8kHz"}; | |
196 | static const char *wm8753_adc_filter[] = {"HiFi", "Voice"}; | |
197 | static const char *wm8753_mic_sel[] = {"Mic 1", "Mic 2", "Mic 3"}; | |
198 | static const char *wm8753_dai_mode[] = {"DAI 0", "DAI 1", "DAI 2", "DAI 3"}; | |
199 | static const char *wm8753_dat_sel[] = {"Stereo", "Left ADC", "Right ADC", | |
200 | "Channel Swap"}; | |
201 | ||
202 | static const struct soc_enum wm8753_enum[] = { | |
203 | SOC_ENUM_SINGLE(WM8753_BASS, 7, 2, wm8753_base), | |
204 | SOC_ENUM_SINGLE(WM8753_BASS, 4, 6, wm8753_base_filter), | |
205 | SOC_ENUM_SINGLE(WM8753_TREBLE, 6, 2, wm8753_treble), | |
206 | SOC_ENUM_SINGLE(WM8753_ALC1, 7, 4, wm8753_alc_func), | |
207 | SOC_ENUM_SINGLE(WM8753_NGATE, 1, 2, wm8753_ng_type), | |
208 | SOC_ENUM_SINGLE(WM8753_3D, 7, 2, wm8753_3d_func), | |
209 | SOC_ENUM_SINGLE(WM8753_3D, 6, 2, wm8753_3d_uc), | |
210 | SOC_ENUM_SINGLE(WM8753_3D, 5, 2, wm8753_3d_lc), | |
211 | SOC_ENUM_SINGLE(WM8753_DAC, 1, 4, wm8753_deemp), | |
212 | SOC_ENUM_SINGLE(WM8753_DAC, 4, 4, wm8753_mono_mix), | |
213 | SOC_ENUM_SINGLE(WM8753_DAC, 6, 2, wm8753_dac_phase), | |
214 | SOC_ENUM_SINGLE(WM8753_INCTL1, 3, 4, wm8753_line_mix), | |
215 | SOC_ENUM_SINGLE(WM8753_INCTL1, 2, 2, wm8753_mono_mux), | |
216 | SOC_ENUM_SINGLE(WM8753_INCTL1, 1, 2, wm8753_right_mux), | |
217 | SOC_ENUM_SINGLE(WM8753_INCTL1, 0, 2, wm8753_left_mux), | |
218 | SOC_ENUM_SINGLE(WM8753_INCTL2, 6, 4, wm8753_rxmsel), | |
219 | SOC_ENUM_SINGLE(WM8753_INCTL2, 4, 4, wm8753_sidetone_mux), | |
220 | SOC_ENUM_SINGLE(WM8753_OUTCTL, 7, 4, wm8753_mono2_src), | |
221 | SOC_ENUM_SINGLE(WM8753_OUTCTL, 0, 3, wm8753_out3), | |
222 | SOC_ENUM_SINGLE(WM8753_ADCTL2, 7, 3, wm8753_out4), | |
223 | SOC_ENUM_SINGLE(WM8753_ADCIN, 2, 3, wm8753_radcsel), | |
224 | SOC_ENUM_SINGLE(WM8753_ADCIN, 0, 3, wm8753_ladcsel), | |
225 | SOC_ENUM_SINGLE(WM8753_ADCIN, 4, 4, wm8753_mono_adc), | |
226 | SOC_ENUM_SINGLE(WM8753_ADC, 2, 4, wm8753_adc_hp), | |
227 | SOC_ENUM_SINGLE(WM8753_ADC, 4, 2, wm8753_adc_filter), | |
228 | SOC_ENUM_SINGLE(WM8753_MICBIAS, 6, 3, wm8753_mic_sel), | |
229 | SOC_ENUM_SINGLE(WM8753_IOCTL, 2, 4, wm8753_dai_mode), | |
230 | SOC_ENUM_SINGLE(WM8753_ADC, 7, 4, wm8753_dat_sel), | |
231 | }; | |
232 | ||
233 | ||
234 | static int wm8753_get_dai(struct snd_kcontrol *kcontrol, | |
235 | struct snd_ctl_elem_value *ucontrol) | |
236 | { | |
237 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
238 | int mode = wm8753_read_reg_cache(codec, WM8753_IOCTL); | |
239 | ||
240 | ucontrol->value.integer.value[0] = (mode & 0xc) >> 2; | |
241 | return 0; | |
242 | } | |
243 | ||
244 | static int wm8753_set_dai(struct snd_kcontrol *kcontrol, | |
245 | struct snd_ctl_elem_value *ucontrol) | |
246 | { | |
247 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
248 | int mode = wm8753_read_reg_cache(codec, WM8753_IOCTL); | |
249 | ||
250 | if (((mode &0xc) >> 2) == ucontrol->value.integer.value[0]) | |
251 | return 0; | |
252 | ||
253 | mode &= 0xfff3; | |
254 | mode |= (ucontrol->value.integer.value[0] << 2); | |
255 | ||
256 | wm8753_write(codec, WM8753_IOCTL, mode); | |
257 | wm8753_set_dai_mode(codec, ucontrol->value.integer.value[0]); | |
258 | return 1; | |
259 | } | |
260 | ||
261 | static const struct snd_kcontrol_new wm8753_snd_controls[] = { | |
262 | SOC_DOUBLE_R("PCM Volume", WM8753_LDAC, WM8753_RDAC, 0, 255, 0), | |
263 | ||
264 | SOC_DOUBLE_R("ADC Capture Volume", WM8753_LADC, WM8753_RADC, 0, 255, 0), | |
265 | ||
266 | SOC_DOUBLE_R("Headphone Playback Volume", WM8753_LOUT1V, WM8753_ROUT1V, 0, 127, 0), | |
267 | SOC_DOUBLE_R("Speaker Playback Volume", WM8753_LOUT2V, WM8753_ROUT2V, 0, 127, 0), | |
268 | ||
269 | SOC_SINGLE("Mono Playback Volume", WM8753_MOUTV, 0, 127, 0), | |
270 | ||
271 | SOC_DOUBLE_R("Bypass Playback Volume", WM8753_LOUTM1, WM8753_ROUTM1, 4, 7, 1), | |
272 | SOC_DOUBLE_R("Sidetone Playback Volume", WM8753_LOUTM2, WM8753_ROUTM2, 4, 7, 1), | |
273 | SOC_DOUBLE_R("Voice Playback Volume", WM8753_LOUTM2, WM8753_ROUTM2, 0, 7, 1), | |
274 | ||
275 | SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8753_LOUT1V, WM8753_ROUT1V, 7, 1, 0), | |
276 | SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8753_LOUT2V, WM8753_ROUT2V, 7, 1, 0), | |
277 | ||
278 | SOC_SINGLE("Mono Bypass Playback Volume", WM8753_MOUTM1, 4, 7, 1), | |
279 | SOC_SINGLE("Mono Sidetone Playback Volume", WM8753_MOUTM2, 4, 7, 1), | |
280 | SOC_SINGLE("Mono Voice Playback Volume", WM8753_MOUTM2, 4, 7, 1), | |
281 | SOC_SINGLE("Mono Playback ZC Switch", WM8753_MOUTV, 7, 1, 0), | |
282 | ||
283 | SOC_ENUM("Bass Boost", wm8753_enum[0]), | |
284 | SOC_ENUM("Bass Filter", wm8753_enum[1]), | |
285 | SOC_SINGLE("Bass Volume", WM8753_BASS, 0, 15, 1), | |
286 | ||
287 | SOC_SINGLE("Treble Volume", WM8753_TREBLE, 0, 15, 1), | |
288 | SOC_ENUM("Treble Cut-off", wm8753_enum[2]), | |
289 | ||
290 | SOC_DOUBLE("Sidetone Capture Volume", WM8753_RECMIX1, 0, 4, 7, 1), | |
291 | SOC_SINGLE("Voice Sidetone Capture Volume", WM8753_RECMIX2, 0, 7, 1), | |
292 | ||
293 | SOC_DOUBLE_R("Capture Volume", WM8753_LINVOL, WM8753_RINVOL, 0, 63, 0), | |
294 | SOC_DOUBLE_R("Capture ZC Switch", WM8753_LINVOL, WM8753_RINVOL, 6, 1, 0), | |
295 | SOC_DOUBLE_R("Capture Switch", WM8753_LINVOL, WM8753_RINVOL, 7, 1, 1), | |
296 | ||
297 | SOC_ENUM("Capture Filter Select", wm8753_enum[23]), | |
298 | SOC_ENUM("Capture Filter Cut-off", wm8753_enum[24]), | |
299 | SOC_SINGLE("Capture Filter Switch", WM8753_ADC, 0, 1, 1), | |
300 | ||
301 | SOC_SINGLE("ALC Capture Target Volume", WM8753_ALC1, 0, 7, 0), | |
302 | SOC_SINGLE("ALC Capture Max Volume", WM8753_ALC1, 4, 7, 0), | |
303 | SOC_ENUM("ALC Capture Function", wm8753_enum[3]), | |
304 | SOC_SINGLE("ALC Capture ZC Switch", WM8753_ALC2, 8, 1, 0), | |
305 | SOC_SINGLE("ALC Capture Hold Time", WM8753_ALC2, 0, 15, 1), | |
306 | SOC_SINGLE("ALC Capture Decay Time", WM8753_ALC3, 4, 15, 1), | |
307 | SOC_SINGLE("ALC Capture Attack Time", WM8753_ALC3, 0, 15, 0), | |
308 | SOC_SINGLE("ALC Capture NG Threshold", WM8753_NGATE, 3, 31, 0), | |
309 | SOC_ENUM("ALC Capture NG Type", wm8753_enum[4]), | |
310 | SOC_SINGLE("ALC Capture NG Switch", WM8753_NGATE, 0, 1, 0), | |
311 | ||
312 | SOC_ENUM("3D Function", wm8753_enum[5]), | |
313 | SOC_ENUM("3D Upper Cut-off", wm8753_enum[6]), | |
314 | SOC_ENUM("3D Lower Cut-off", wm8753_enum[7]), | |
315 | SOC_SINGLE("3D Volume", WM8753_3D, 1, 15, 0), | |
316 | SOC_SINGLE("3D Switch", WM8753_3D, 0, 1, 0), | |
317 | ||
318 | SOC_SINGLE("Capture 6dB Attenuate", WM8753_ADCTL1, 2, 1, 0), | |
319 | SOC_SINGLE("Playback 6dB Attenuate", WM8753_ADCTL1, 1, 1, 0), | |
320 | ||
321 | SOC_ENUM("De-emphasis", wm8753_enum[8]), | |
322 | SOC_ENUM("Playback Mono Mix", wm8753_enum[9]), | |
323 | SOC_ENUM("Playback Phase", wm8753_enum[10]), | |
324 | ||
325 | SOC_SINGLE("Mic2 Capture Volume", WM8753_INCTL1, 7, 3, 0), | |
326 | SOC_SINGLE("Mic1 Capture Volume", WM8753_INCTL1, 5, 3, 0), | |
327 | ||
328 | SOC_ENUM_EXT("DAI Mode", wm8753_enum[26], wm8753_get_dai, wm8753_set_dai), | |
329 | ||
330 | SOC_ENUM("ADC Data Select", wm8753_enum[27]), | |
331 | }; | |
332 | ||
333 | /* add non dapm controls */ | |
334 | static int wm8753_add_controls(struct snd_soc_codec *codec) | |
335 | { | |
336 | int err, i; | |
337 | ||
338 | for (i = 0; i < ARRAY_SIZE(wm8753_snd_controls); i++) { | |
339 | err = snd_ctl_add(codec->card, | |
340 | snd_soc_cnew(&wm8753_snd_controls[i],codec, NULL)); | |
341 | if (err < 0) | |
342 | return err; | |
343 | } | |
344 | return 0; | |
345 | } | |
346 | ||
347 | /* | |
348 | * _DAPM_ Controls | |
349 | */ | |
350 | ||
351 | /* Left Mixer */ | |
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), | |
357 | }; | |
358 | ||
359 | /* Right mixer */ | |
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), | |
365 | }; | |
366 | ||
367 | /* Mono mixer */ | |
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), | |
374 | }; | |
375 | ||
376 | /* Mono 2 Mux */ | |
377 | static const struct snd_kcontrol_new wm8753_mono2_controls = | |
378 | SOC_DAPM_ENUM("Route", wm8753_enum[17]); | |
379 | ||
380 | /* Out 3 Mux */ | |
381 | static const struct snd_kcontrol_new wm8753_out3_controls = | |
382 | SOC_DAPM_ENUM("Route", wm8753_enum[18]); | |
383 | ||
384 | /* Out 4 Mux */ | |
385 | static const struct snd_kcontrol_new wm8753_out4_controls = | |
386 | SOC_DAPM_ENUM("Route", wm8753_enum[19]); | |
387 | ||
388 | /* ADC Mono Mix */ | |
389 | static const struct snd_kcontrol_new wm8753_adc_mono_controls = | |
390 | SOC_DAPM_ENUM("Route", wm8753_enum[22]); | |
391 | ||
392 | /* Record mixer */ | |
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), | |
397 | }; | |
398 | ||
399 | /* Left ADC mux */ | |
400 | static const struct snd_kcontrol_new wm8753_adc_left_controls = | |
401 | SOC_DAPM_ENUM("Route", wm8753_enum[21]); | |
402 | ||
403 | /* Right ADC mux */ | |
404 | static const struct snd_kcontrol_new wm8753_adc_right_controls = | |
405 | SOC_DAPM_ENUM("Route", wm8753_enum[20]); | |
406 | ||
407 | /* MIC mux */ | |
408 | static const struct snd_kcontrol_new wm8753_mic_mux_controls = | |
409 | SOC_DAPM_ENUM("Route", wm8753_enum[16]); | |
410 | ||
411 | /* ALC mixer */ | |
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), | |
417 | }; | |
418 | ||
419 | /* Left Line mux */ | |
420 | static const struct snd_kcontrol_new wm8753_line_left_controls = | |
421 | SOC_DAPM_ENUM("Route", wm8753_enum[14]); | |
422 | ||
423 | /* Right Line mux */ | |
424 | static const struct snd_kcontrol_new wm8753_line_right_controls = | |
425 | SOC_DAPM_ENUM("Route", wm8753_enum[13]); | |
426 | ||
427 | /* Mono Line mux */ | |
428 | static const struct snd_kcontrol_new wm8753_line_mono_controls = | |
429 | SOC_DAPM_ENUM("Route", wm8753_enum[12]); | |
430 | ||
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]); | |
434 | ||
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]); | |
438 | ||
439 | /* Mic Selector Mux */ | |
440 | static const struct snd_kcontrol_new wm8753_mic_sel_mux_controls = | |
441 | SOC_DAPM_ENUM("Route", wm8753_enum[25]); | |
442 | ||
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"), | |
518 | }; | |
519 | ||
520 | static const char *audio_map[][3] = { | |
521 | /* left mixer */ | |
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"}, | |
526 | ||
527 | /* right mixer */ | |
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"}, | |
532 | ||
533 | /* mono mixer */ | |
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"}, | |
539 | ||
540 | /* left out */ | |
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"}, | |
545 | ||
546 | /* right out */ | |
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"}, | |
551 | ||
552 | /* mono 1 out */ | |
553 | {"Mono Out 1", NULL, "Mono Mixer"}, | |
554 | {"MONO1", NULL, "Mono Out 1"}, | |
555 | ||
556 | /* mono 2 out */ | |
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"}, | |
563 | ||
564 | /* out 3 */ | |
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"}, | |
572 | ||
573 | /* out 4 */ | |
574 | {"Out4 Mux", "VREF", "VREF"}, | |
575 | {"Out4 Mux", "Capture ST", "Capture ST Mixer"}, | |
576 | {"Out4 Mux", "LOUT2", "LOUT2"}, | |
577 | {"Out 4", NULL, "Out4 Mux"}, | |
578 | {"OUT4", NULL, "Out 4"}, | |
579 | ||
580 | /* record mixer */ | |
581 | {"Playback Mixer", "Left Capture Switch", "Left Mixer"}, | |
582 | {"Playback Mixer", "Voice Capture Switch", "Mono Mixer"}, | |
583 | {"Playback Mixer", "Right Capture Switch", "Right Mixer"}, | |
584 | ||
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"}, | |
590 | ||
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"}, | |
595 | ||
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", "Capture ST Mixer"}, | |
600 | ||
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"}, | |
611 | ||
612 | /* ADC */ | |
613 | {"Left ADC", NULL, "Capture Left Mixer"}, | |
614 | {"Right ADC", NULL, "Capture Right Mixer"}, | |
615 | ||
616 | /* Left Capture Volume */ | |
617 | {"Left Capture Volume", NULL, "ACIN"}, | |
618 | ||
619 | /* Right Capture Volume */ | |
620 | {"Right Capture Volume", NULL, "Mic 2 Volume"}, | |
621 | ||
622 | /* ALC Mixer */ | |
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"}, | |
627 | ||
628 | /* Line Left Mux */ | |
629 | {"Line Left Mux", "Line 1", "LINE1"}, | |
630 | {"Line Left Mux", "Rx Mix", "Rx Mixer"}, | |
631 | ||
632 | /* Line Right Mux */ | |
633 | {"Line Right Mux", "Line 2", "LINE2"}, | |
634 | {"Line Right Mux", "Rx Mix", "Rx Mixer"}, | |
635 | ||
636 | /* Line Mono Mux */ | |
637 | {"Line Mono Mux", "Line Mix", "Line Mixer"}, | |
638 | {"Line Mono Mux", "Rx Mix", "Rx Mixer"}, | |
639 | ||
640 | /* Line Mixer/Mux */ | |
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"}, | |
647 | ||
648 | /* Rx Mixer/Mux */ | |
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"}, | |
655 | ||
656 | /* Mic 1 Volume */ | |
657 | {"Mic 1 Volume", NULL, "MIC1N"}, | |
658 | {"Mic 1 Volume", NULL, "Mic Selection Mux"}, | |
659 | ||
660 | /* Mic 2 Volume */ | |
661 | {"Mic 2 Volume", NULL, "MIC2N"}, | |
662 | {"Mic 2 Volume", NULL, "MIC2"}, | |
663 | ||
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"}, | |
668 | ||
669 | /* ACOP */ | |
670 | {"ACOP", NULL, "ALC Mixer"}, | |
671 | ||
672 | /* terminator */ | |
673 | {NULL, NULL, NULL}, | |
674 | }; | |
675 | ||
676 | static int wm8753_add_widgets(struct snd_soc_codec *codec) | |
677 | { | |
678 | int i; | |
679 | ||
680 | for (i = 0; i < ARRAY_SIZE(wm8753_dapm_widgets); i++) | |
681 | snd_soc_dapm_new_control(codec, &wm8753_dapm_widgets[i]); | |
682 | ||
683 | /* set up the WM8753 audio map */ | |
684 | for (i = 0; audio_map[i][0] != NULL; i++) { | |
685 | snd_soc_dapm_connect_input(codec, audio_map[i][0], | |
686 | audio_map[i][1], audio_map[i][2]); | |
687 | } | |
688 | ||
689 | snd_soc_dapm_new_widgets(codec); | |
690 | return 0; | |
691 | } | |
692 | ||
693 | /* PLL divisors */ | |
694 | struct _pll_div { | |
695 | u32 div2:1; | |
696 | u32 n:4; | |
697 | u32 k:24; | |
698 | }; | |
699 | ||
700 | /* The size in bits of the pll divide multiplied by 10 | |
701 | * to allow rounding later */ | |
702 | #define FIXED_PLL_SIZE ((1 << 22) * 10) | |
703 | ||
704 | static void pll_factors(struct _pll_div *pll_div, unsigned int target, | |
705 | unsigned int source) | |
706 | { | |
707 | u64 Kpart; | |
708 | unsigned int K, Ndiv, Nmod; | |
709 | ||
710 | Ndiv = target / source; | |
711 | if (Ndiv < 6) { | |
712 | source >>= 1; | |
713 | pll_div->div2 = 1; | |
714 | Ndiv = target / source; | |
715 | } else | |
716 | pll_div->div2 = 0; | |
717 | ||
718 | if ((Ndiv < 6) || (Ndiv > 12)) | |
719 | printk(KERN_WARNING | |
720 | "WM8753 N value outwith recommended range! N = %d\n",Ndiv); | |
721 | ||
722 | pll_div->n = Ndiv; | |
723 | Nmod = target % source; | |
724 | Kpart = FIXED_PLL_SIZE * (long long)Nmod; | |
725 | ||
726 | do_div(Kpart, source); | |
727 | ||
728 | K = Kpart & 0xFFFFFFFF; | |
729 | ||
730 | /* Check if we need to round */ | |
731 | if ((K % 10) >= 5) | |
732 | K += 5; | |
733 | ||
734 | /* Move down to proper range now rounding is done */ | |
735 | K /= 10; | |
736 | ||
737 | pll_div->k = K; | |
738 | } | |
739 | ||
740 | static int wm8753_set_dai_pll(struct snd_soc_codec_dai *codec_dai, | |
741 | int pll_id, unsigned int freq_in, unsigned int freq_out) | |
742 | { | |
743 | u16 reg, enable; | |
744 | int offset; | |
745 | struct snd_soc_codec *codec = codec_dai->codec; | |
746 | ||
747 | if (pll_id < WM8753_PLL1 || pll_id > WM8753_PLL2) | |
748 | return -ENODEV; | |
749 | ||
750 | if (pll_id == WM8753_PLL1) { | |
751 | offset = 0; | |
752 | enable = 0x10; | |
753 | reg = wm8753_read_reg_cache(codec, WM8753_CLOCK) & 0xffef; | |
754 | } else { | |
755 | offset = 4; | |
756 | enable = 0x8; | |
757 | reg = wm8753_read_reg_cache(codec, WM8753_CLOCK) & 0xfff7; | |
758 | } | |
759 | ||
760 | if (!freq_in || !freq_out) { | |
761 | /* disable PLL */ | |
762 | wm8753_write(codec, WM8753_PLL1CTL1 + offset, 0x0026); | |
763 | wm8753_write(codec, WM8753_CLOCK, reg); | |
764 | return 0; | |
765 | } else { | |
766 | u16 value = 0; | |
767 | struct _pll_div pll_div; | |
768 | ||
769 | pll_factors(&pll_div, freq_out * 8, freq_in); | |
770 | ||
771 | /* set up N and K PLL divisor ratios */ | |
772 | /* bits 8:5 = PLL_N, bits 3:0 = PLL_K[21:18] */ | |
773 | value = (pll_div.n << 5) + ((pll_div.k & 0x3c0000) >> 18); | |
774 | wm8753_write(codec, WM8753_PLL1CTL2 + offset, value); | |
775 | ||
776 | /* bits 8:0 = PLL_K[17:9] */ | |
777 | value = (pll_div.k & 0x03fe00) >> 9; | |
778 | wm8753_write(codec, WM8753_PLL1CTL3 + offset, value); | |
779 | ||
780 | /* bits 8:0 = PLL_K[8:0] */ | |
781 | value = pll_div.k & 0x0001ff; | |
782 | wm8753_write(codec, WM8753_PLL1CTL4 + offset, value); | |
783 | ||
784 | /* set PLL as input and enable */ | |
785 | wm8753_write(codec, WM8753_PLL1CTL1 + offset, 0x0027 | | |
786 | (pll_div.div2 << 3)); | |
787 | wm8753_write(codec, WM8753_CLOCK, reg | enable); | |
788 | } | |
789 | return 0; | |
790 | } | |
791 | ||
792 | struct _coeff_div { | |
793 | u32 mclk; | |
794 | u32 rate; | |
795 | u8 sr:5; | |
796 | u8 usb:1; | |
797 | }; | |
798 | ||
799 | /* codec hifi mclk (after PLL) clock divider coefficients */ | |
800 | static const struct _coeff_div coeff_div[] = { | |
801 | /* 8k */ | |
802 | {12288000, 8000, 0x6, 0x0}, | |
803 | {11289600, 8000, 0x16, 0x0}, | |
804 | {18432000, 8000, 0x7, 0x0}, | |
805 | {16934400, 8000, 0x17, 0x0}, | |
806 | {12000000, 8000, 0x6, 0x1}, | |
807 | ||
808 | /* 11.025k */ | |
809 | {11289600, 11025, 0x18, 0x0}, | |
810 | {16934400, 11025, 0x19, 0x0}, | |
811 | {12000000, 11025, 0x19, 0x1}, | |
812 | ||
813 | /* 16k */ | |
814 | {12288000, 16000, 0xa, 0x0}, | |
815 | {18432000, 16000, 0xb, 0x0}, | |
816 | {12000000, 16000, 0xa, 0x1}, | |
817 | ||
818 | /* 22.05k */ | |
819 | {11289600, 22050, 0x1a, 0x0}, | |
820 | {16934400, 22050, 0x1b, 0x0}, | |
821 | {12000000, 22050, 0x1b, 0x1}, | |
822 | ||
823 | /* 32k */ | |
824 | {12288000, 32000, 0xc, 0x0}, | |
825 | {18432000, 32000, 0xd, 0x0}, | |
826 | {12000000, 32000, 0xa, 0x1}, | |
827 | ||
828 | /* 44.1k */ | |
829 | {11289600, 44100, 0x10, 0x0}, | |
830 | {16934400, 44100, 0x11, 0x0}, | |
831 | {12000000, 44100, 0x11, 0x1}, | |
832 | ||
833 | /* 48k */ | |
834 | {12288000, 48000, 0x0, 0x0}, | |
835 | {18432000, 48000, 0x1, 0x0}, | |
836 | {12000000, 48000, 0x0, 0x1}, | |
837 | ||
838 | /* 88.2k */ | |
839 | {11289600, 88200, 0x1e, 0x0}, | |
840 | {16934400, 88200, 0x1f, 0x0}, | |
841 | {12000000, 88200, 0x1f, 0x1}, | |
842 | ||
843 | /* 96k */ | |
844 | {12288000, 96000, 0xe, 0x0}, | |
845 | {18432000, 96000, 0xf, 0x0}, | |
846 | {12000000, 96000, 0xe, 0x1}, | |
847 | }; | |
848 | ||
849 | static int get_coeff(int mclk, int rate) | |
850 | { | |
851 | int i; | |
852 | ||
853 | for (i = 0; i < ARRAY_SIZE(coeff_div); i++) { | |
854 | if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk) | |
855 | return i; | |
856 | } | |
857 | return -EINVAL; | |
858 | } | |
859 | ||
860 | /* | |
861 | * Clock after PLL and dividers | |
862 | */ | |
863 | static int wm8753_set_dai_sysclk(struct snd_soc_codec_dai *codec_dai, | |
864 | int clk_id, unsigned int freq, int dir) | |
865 | { | |
866 | struct snd_soc_codec *codec = codec_dai->codec; | |
867 | struct wm8753_priv *wm8753 = codec->private_data; | |
868 | ||
869 | switch (freq) { | |
870 | case 11289600: | |
871 | case 12000000: | |
872 | case 12288000: | |
873 | case 16934400: | |
874 | case 18432000: | |
875 | if (clk_id == WM8753_MCLK) { | |
876 | wm8753->sysclk = freq; | |
877 | return 0; | |
878 | } else if (clk_id == WM8753_PCMCLK) { | |
879 | wm8753->pcmclk = freq; | |
880 | return 0; | |
881 | } | |
882 | break; | |
883 | } | |
884 | return -EINVAL; | |
885 | } | |
886 | ||
887 | /* | |
888 | * Set's ADC and Voice DAC format. | |
889 | */ | |
890 | static int wm8753_vdac_adc_set_dai_fmt(struct snd_soc_codec_dai *codec_dai, | |
891 | unsigned int fmt) | |
892 | { | |
893 | struct snd_soc_codec *codec = codec_dai->codec; | |
894 | u16 voice = wm8753_read_reg_cache(codec, WM8753_PCM) & 0x01ec; | |
895 | ||
896 | /* interface format */ | |
897 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
898 | case SND_SOC_DAIFMT_I2S: | |
899 | voice |= 0x0002; | |
900 | break; | |
901 | case SND_SOC_DAIFMT_RIGHT_J: | |
902 | break; | |
903 | case SND_SOC_DAIFMT_LEFT_J: | |
904 | voice |= 0x0001; | |
905 | break; | |
906 | case SND_SOC_DAIFMT_DSP_A: | |
907 | voice |= 0x0003; | |
908 | break; | |
909 | case SND_SOC_DAIFMT_DSP_B: | |
910 | voice |= 0x0013; | |
911 | break; | |
912 | default: | |
913 | return -EINVAL; | |
914 | } | |
915 | ||
916 | wm8753_write(codec, WM8753_PCM, voice); | |
917 | return 0; | |
918 | } | |
919 | ||
920 | /* | |
921 | * Set PCM DAI bit size and sample rate. | |
922 | */ | |
923 | static int wm8753_pcm_hw_params(struct snd_pcm_substream *substream, | |
924 | struct snd_pcm_hw_params *params) | |
925 | { | |
926 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
927 | struct snd_soc_device *socdev = rtd->socdev; | |
928 | struct snd_soc_codec *codec = socdev->codec; | |
929 | struct wm8753_priv *wm8753 = codec->private_data; | |
930 | u16 voice = wm8753_read_reg_cache(codec, WM8753_PCM) & 0x01f3; | |
931 | u16 srate = wm8753_read_reg_cache(codec, WM8753_SRATE1) & 0x017f; | |
932 | ||
933 | /* bit size */ | |
934 | switch (params_format(params)) { | |
935 | case SNDRV_PCM_FORMAT_S16_LE: | |
936 | break; | |
937 | case SNDRV_PCM_FORMAT_S20_3LE: | |
938 | voice |= 0x0004; | |
939 | break; | |
940 | case SNDRV_PCM_FORMAT_S24_LE: | |
941 | voice |= 0x0008; | |
942 | break; | |
943 | case SNDRV_PCM_FORMAT_S32_LE: | |
944 | voice |= 0x000c; | |
945 | break; | |
946 | } | |
947 | ||
948 | /* sample rate */ | |
949 | if (params_rate(params) * 384 == wm8753->pcmclk) | |
950 | srate |= 0x80; | |
951 | wm8753_write(codec, WM8753_SRATE1, srate); | |
952 | ||
953 | wm8753_write(codec, WM8753_PCM, voice); | |
954 | return 0; | |
955 | } | |
956 | ||
957 | /* | |
958 | * Set's PCM dai fmt and BCLK. | |
959 | */ | |
960 | static int wm8753_pcm_set_dai_fmt(struct snd_soc_codec_dai *codec_dai, | |
961 | unsigned int fmt) | |
962 | { | |
963 | struct snd_soc_codec *codec = codec_dai->codec; | |
964 | u16 voice, ioctl; | |
965 | ||
966 | voice = wm8753_read_reg_cache(codec, WM8753_PCM) & 0x011f; | |
967 | ioctl = wm8753_read_reg_cache(codec, WM8753_IOCTL) & 0x015d; | |
968 | ||
969 | /* set master/slave audio interface */ | |
970 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
971 | case SND_SOC_DAIFMT_CBS_CFS: | |
972 | break; | |
973 | case SND_SOC_DAIFMT_CBM_CFM: | |
974 | ioctl |= 0x2; | |
975 | case SND_SOC_DAIFMT_CBM_CFS: | |
976 | voice |= 0x0040; | |
977 | break; | |
978 | default: | |
979 | return -EINVAL; | |
980 | } | |
981 | ||
982 | /* clock inversion */ | |
983 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
984 | case SND_SOC_DAIFMT_DSP_A: | |
985 | case SND_SOC_DAIFMT_DSP_B: | |
986 | /* frame inversion not valid for DSP modes */ | |
987 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
988 | case SND_SOC_DAIFMT_NB_NF: | |
989 | break; | |
990 | case SND_SOC_DAIFMT_IB_NF: | |
991 | voice |= 0x0080; | |
992 | break; | |
993 | default: | |
994 | return -EINVAL; | |
995 | } | |
996 | break; | |
997 | case SND_SOC_DAIFMT_I2S: | |
998 | case SND_SOC_DAIFMT_RIGHT_J: | |
999 | case SND_SOC_DAIFMT_LEFT_J: | |
1000 | voice &= ~0x0010; | |
1001 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
1002 | case SND_SOC_DAIFMT_NB_NF: | |
1003 | break; | |
1004 | case SND_SOC_DAIFMT_IB_IF: | |
1005 | voice |= 0x0090; | |
1006 | break; | |
1007 | case SND_SOC_DAIFMT_IB_NF: | |
1008 | voice |= 0x0080; | |
1009 | break; | |
1010 | case SND_SOC_DAIFMT_NB_IF: | |
1011 | voice |= 0x0010; | |
1012 | break; | |
1013 | default: | |
1014 | return -EINVAL; | |
1015 | } | |
1016 | break; | |
1017 | default: | |
1018 | return -EINVAL; | |
1019 | } | |
1020 | ||
1021 | wm8753_write(codec, WM8753_PCM, voice); | |
1022 | wm8753_write(codec, WM8753_IOCTL, ioctl); | |
1023 | return 0; | |
1024 | } | |
1025 | ||
1026 | static int wm8753_set_dai_clkdiv(struct snd_soc_codec_dai *codec_dai, | |
1027 | int div_id, int div) | |
1028 | { | |
1029 | struct snd_soc_codec *codec = codec_dai->codec; | |
1030 | u16 reg; | |
1031 | ||
1032 | switch (div_id) { | |
1033 | case WM8753_PCMDIV: | |
1034 | reg = wm8753_read_reg_cache(codec, WM8753_CLOCK) & 0x003f; | |
1035 | wm8753_write(codec, WM8753_CLOCK, reg | div); | |
1036 | break; | |
1037 | case WM8753_BCLKDIV: | |
1038 | reg = wm8753_read_reg_cache(codec, WM8753_SRATE2) & 0x01c7; | |
1039 | wm8753_write(codec, WM8753_SRATE2, reg | div); | |
1040 | break; | |
1041 | case WM8753_VXCLKDIV: | |
1042 | reg = wm8753_read_reg_cache(codec, WM8753_SRATE2) & 0x003f; | |
1043 | wm8753_write(codec, WM8753_SRATE2, reg | div); | |
1044 | break; | |
1045 | default: | |
1046 | return -EINVAL; | |
1047 | } | |
1048 | return 0; | |
1049 | } | |
1050 | ||
1051 | /* | |
1052 | * Set's HiFi DAC format. | |
1053 | */ | |
1054 | static int wm8753_hdac_set_dai_fmt(struct snd_soc_codec_dai *codec_dai, | |
1055 | unsigned int fmt) | |
1056 | { | |
1057 | struct snd_soc_codec *codec = codec_dai->codec; | |
1058 | u16 hifi = wm8753_read_reg_cache(codec, WM8753_HIFI) & 0x01e0; | |
1059 | ||
1060 | /* interface format */ | |
1061 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
1062 | case SND_SOC_DAIFMT_I2S: | |
1063 | hifi |= 0x0002; | |
1064 | break; | |
1065 | case SND_SOC_DAIFMT_RIGHT_J: | |
1066 | break; | |
1067 | case SND_SOC_DAIFMT_LEFT_J: | |
1068 | hifi |= 0x0001; | |
1069 | break; | |
1070 | case SND_SOC_DAIFMT_DSP_A: | |
1071 | hifi |= 0x0003; | |
1072 | break; | |
1073 | case SND_SOC_DAIFMT_DSP_B: | |
1074 | hifi |= 0x0013; | |
1075 | break; | |
1076 | default: | |
1077 | return -EINVAL; | |
1078 | } | |
1079 | ||
1080 | wm8753_write(codec, WM8753_HIFI, hifi); | |
1081 | return 0; | |
1082 | } | |
1083 | ||
1084 | /* | |
1085 | * Set's I2S DAI format. | |
1086 | */ | |
1087 | static int wm8753_i2s_set_dai_fmt(struct snd_soc_codec_dai *codec_dai, | |
1088 | unsigned int fmt) | |
1089 | { | |
1090 | struct snd_soc_codec *codec = codec_dai->codec; | |
1091 | u16 ioctl, hifi; | |
1092 | ||
1093 | hifi = wm8753_read_reg_cache(codec, WM8753_HIFI) & 0x011f; | |
1094 | ioctl = wm8753_read_reg_cache(codec, WM8753_IOCTL) & 0x00ae; | |
1095 | ||
1096 | /* set master/slave audio interface */ | |
1097 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
1098 | case SND_SOC_DAIFMT_CBS_CFS: | |
1099 | break; | |
1100 | case SND_SOC_DAIFMT_CBM_CFM: | |
1101 | ioctl |= 0x1; | |
1102 | case SND_SOC_DAIFMT_CBM_CFS: | |
1103 | hifi |= 0x0040; | |
1104 | break; | |
1105 | default: | |
1106 | return -EINVAL; | |
1107 | } | |
1108 | ||
1109 | /* clock inversion */ | |
1110 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
1111 | case SND_SOC_DAIFMT_DSP_A: | |
1112 | case SND_SOC_DAIFMT_DSP_B: | |
1113 | /* frame inversion not valid for DSP modes */ | |
1114 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
1115 | case SND_SOC_DAIFMT_NB_NF: | |
1116 | break; | |
1117 | case SND_SOC_DAIFMT_IB_NF: | |
1118 | hifi |= 0x0080; | |
1119 | break; | |
1120 | default: | |
1121 | return -EINVAL; | |
1122 | } | |
1123 | break; | |
1124 | case SND_SOC_DAIFMT_I2S: | |
1125 | case SND_SOC_DAIFMT_RIGHT_J: | |
1126 | case SND_SOC_DAIFMT_LEFT_J: | |
1127 | hifi &= ~0x0010; | |
1128 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
1129 | case SND_SOC_DAIFMT_NB_NF: | |
1130 | break; | |
1131 | case SND_SOC_DAIFMT_IB_IF: | |
1132 | hifi |= 0x0090; | |
1133 | break; | |
1134 | case SND_SOC_DAIFMT_IB_NF: | |
1135 | hifi |= 0x0080; | |
1136 | break; | |
1137 | case SND_SOC_DAIFMT_NB_IF: | |
1138 | hifi |= 0x0010; | |
1139 | break; | |
1140 | default: | |
1141 | return -EINVAL; | |
1142 | } | |
1143 | break; | |
1144 | default: | |
1145 | return -EINVAL; | |
1146 | } | |
1147 | ||
1148 | wm8753_write(codec, WM8753_HIFI, hifi); | |
1149 | wm8753_write(codec, WM8753_IOCTL, ioctl); | |
1150 | return 0; | |
1151 | } | |
1152 | ||
1153 | /* | |
1154 | * Set PCM DAI bit size and sample rate. | |
1155 | */ | |
1156 | static int wm8753_i2s_hw_params(struct snd_pcm_substream *substream, | |
1157 | struct snd_pcm_hw_params *params) | |
1158 | { | |
1159 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
1160 | struct snd_soc_device *socdev = rtd->socdev; | |
1161 | struct snd_soc_codec *codec = socdev->codec; | |
1162 | struct wm8753_priv *wm8753 = codec->private_data; | |
1163 | u16 srate = wm8753_read_reg_cache(codec, WM8753_SRATE1) & 0x01c0; | |
1164 | u16 hifi = wm8753_read_reg_cache(codec, WM8753_HIFI) & 0x01f3; | |
1165 | int coeff; | |
1166 | ||
1167 | /* is digital filter coefficient valid ? */ | |
1168 | coeff = get_coeff(wm8753->sysclk, params_rate(params)); | |
1169 | if (coeff < 0) { | |
1170 | printk(KERN_ERR "wm8753 invalid MCLK or rate\n"); | |
1171 | return coeff; | |
1172 | } | |
1173 | wm8753_write(codec, WM8753_SRATE1, srate | (coeff_div[coeff].sr << 1) | | |
1174 | coeff_div[coeff].usb); | |
1175 | ||
1176 | /* bit size */ | |
1177 | switch (params_format(params)) { | |
1178 | case SNDRV_PCM_FORMAT_S16_LE: | |
1179 | break; | |
1180 | case SNDRV_PCM_FORMAT_S20_3LE: | |
1181 | hifi |= 0x0004; | |
1182 | break; | |
1183 | case SNDRV_PCM_FORMAT_S24_LE: | |
1184 | hifi |= 0x0008; | |
1185 | break; | |
1186 | case SNDRV_PCM_FORMAT_S32_LE: | |
1187 | hifi |= 0x000c; | |
1188 | break; | |
1189 | } | |
1190 | ||
1191 | wm8753_write(codec, WM8753_HIFI, hifi); | |
1192 | return 0; | |
1193 | } | |
1194 | ||
1195 | static int wm8753_mode1v_set_dai_fmt(struct snd_soc_codec_dai *codec_dai, | |
1196 | unsigned int fmt) | |
1197 | { | |
1198 | struct snd_soc_codec *codec = codec_dai->codec; | |
1199 | u16 clock; | |
1200 | ||
1201 | /* set clk source as pcmclk */ | |
1202 | clock = wm8753_read_reg_cache(codec, WM8753_CLOCK) & 0xfffb; | |
1203 | wm8753_write(codec, WM8753_CLOCK, clock); | |
1204 | ||
1205 | if (wm8753_vdac_adc_set_dai_fmt(codec_dai, fmt) < 0) | |
1206 | return -EINVAL; | |
1207 | return wm8753_pcm_set_dai_fmt(codec_dai, fmt); | |
1208 | } | |
1209 | ||
1210 | static int wm8753_mode1h_set_dai_fmt(struct snd_soc_codec_dai *codec_dai, | |
1211 | unsigned int fmt) | |
1212 | { | |
1213 | if (wm8753_hdac_set_dai_fmt(codec_dai, fmt) < 0) | |
1214 | return -EINVAL; | |
1215 | return wm8753_i2s_set_dai_fmt(codec_dai, fmt); | |
1216 | } | |
1217 | ||
1218 | static int wm8753_mode2_set_dai_fmt(struct snd_soc_codec_dai *codec_dai, | |
1219 | unsigned int fmt) | |
1220 | { | |
1221 | struct snd_soc_codec *codec = codec_dai->codec; | |
1222 | u16 clock; | |
1223 | ||
1224 | /* set clk source as pcmclk */ | |
1225 | clock = wm8753_read_reg_cache(codec, WM8753_CLOCK) & 0xfffb; | |
1226 | wm8753_write(codec, WM8753_CLOCK, clock); | |
1227 | ||
1228 | if (wm8753_vdac_adc_set_dai_fmt(codec_dai, fmt) < 0) | |
1229 | return -EINVAL; | |
1230 | return wm8753_i2s_set_dai_fmt(codec_dai, fmt); | |
1231 | } | |
1232 | ||
1233 | static int wm8753_mode3_4_set_dai_fmt(struct snd_soc_codec_dai *codec_dai, | |
1234 | unsigned int fmt) | |
1235 | { | |
1236 | struct snd_soc_codec *codec = codec_dai->codec; | |
1237 | u16 clock; | |
1238 | ||
1239 | /* set clk source as mclk */ | |
1240 | clock = wm8753_read_reg_cache(codec, WM8753_CLOCK) & 0xfffb; | |
1241 | wm8753_write(codec, WM8753_CLOCK, clock | 0x4); | |
1242 | ||
1243 | if (wm8753_hdac_set_dai_fmt(codec_dai, fmt) < 0) | |
1244 | return -EINVAL; | |
1245 | if (wm8753_vdac_adc_set_dai_fmt(codec_dai, fmt) < 0) | |
1246 | return -EINVAL; | |
1247 | return wm8753_i2s_set_dai_fmt(codec_dai, fmt); | |
1248 | } | |
1249 | ||
1250 | static int wm8753_mute(struct snd_soc_codec_dai *dai, int mute) | |
1251 | { | |
1252 | struct snd_soc_codec *codec = dai->codec; | |
1253 | u16 mute_reg = wm8753_read_reg_cache(codec, WM8753_DAC) & 0xfff7; | |
1254 | ||
1255 | /* the digital mute covers the HiFi and Voice DAC's on the WM8753. | |
1256 | * make sure we check if they are not both active when we mute */ | |
1257 | if (mute && dai->id == 1) { | |
1258 | if (!wm8753_dai[WM8753_DAI_VOICE].playback.active || | |
1259 | !wm8753_dai[WM8753_DAI_HIFI].playback.active) | |
1260 | wm8753_write(codec, WM8753_DAC, mute_reg | 0x8); | |
1261 | } else { | |
1262 | if (mute) | |
1263 | wm8753_write(codec, WM8753_DAC, mute_reg | 0x8); | |
1264 | else | |
1265 | wm8753_write(codec, WM8753_DAC, mute_reg); | |
1266 | } | |
1267 | ||
1268 | return 0; | |
1269 | } | |
1270 | ||
1271 | static int wm8753_dapm_event(struct snd_soc_codec *codec, int event) | |
1272 | { | |
1273 | u16 pwr_reg = wm8753_read_reg_cache(codec, WM8753_PWR1) & 0xfe3e; | |
1274 | ||
1275 | switch (event) { | |
1276 | case SNDRV_CTL_POWER_D0: /* full On */ | |
1277 | /* set vmid to 50k and unmute dac */ | |
1278 | wm8753_write(codec, WM8753_PWR1, pwr_reg | 0x00c0); | |
1279 | break; | |
1280 | case SNDRV_CTL_POWER_D1: /* partial On */ | |
1281 | case SNDRV_CTL_POWER_D2: /* partial On */ | |
1282 | /* set vmid to 5k for quick power up */ | |
1283 | wm8753_write(codec, WM8753_PWR1, pwr_reg | 0x01c1); | |
1284 | break; | |
1285 | case SNDRV_CTL_POWER_D3hot: /* Off, with power */ | |
1286 | /* mute dac and set vmid to 500k, enable VREF */ | |
1287 | wm8753_write(codec, WM8753_PWR1, pwr_reg | 0x0141); | |
1288 | break; | |
1289 | case SNDRV_CTL_POWER_D3cold: /* Off, without power */ | |
1290 | wm8753_write(codec, WM8753_PWR1, 0x0001); | |
1291 | break; | |
1292 | } | |
1293 | codec->dapm_state = event; | |
1294 | return 0; | |
1295 | } | |
1296 | ||
1297 | #define WM8753_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ | |
1298 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \ | |
1299 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000) | |
1300 | ||
1301 | #define WM8753_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ | |
1302 | SNDRV_PCM_FMTBIT_S24_LE) | |
1303 | ||
1304 | /* | |
1305 | * The WM8753 supports upto 4 different and mutually exclusive DAI | |
1306 | * configurations. This gives 2 PCM's available for use, hifi and voice. | |
1307 | * NOTE: The Voice PCM cannot play or capture audio to the CPU as it's DAI | |
1308 | * is connected between the wm8753 and a BT codec or GSM modem. | |
1309 | * | |
1310 | * 1. Voice over PCM DAI - HIFI DAC over HIFI DAI | |
1311 | * 2. Voice over HIFI DAI - HIFI disabled | |
1312 | * 3. Voice disabled - HIFI over HIFI | |
1313 | * 4. Voice disabled - HIFI over HIFI, uses voice DAI LRC for capture | |
1314 | */ | |
1315 | static const struct snd_soc_codec_dai wm8753_all_dai[] = { | |
1316 | /* DAI HiFi mode 1 */ | |
1317 | { .name = "WM8753 HiFi", | |
1318 | .id = 1, | |
1319 | .playback = { | |
1320 | .stream_name = "HiFi Playback", | |
1321 | .channels_min = 1, | |
1322 | .channels_max = 2, | |
1323 | .rates = WM8753_RATES, | |
1324 | .formats = WM8753_FORMATS,}, | |
1325 | .capture = { /* dummy for fast DAI switching */ | |
1326 | .stream_name = "Capture", | |
1327 | .channels_min = 1, | |
1328 | .channels_max = 2, | |
1329 | .rates = WM8753_RATES, | |
1330 | .formats = WM8753_FORMATS,}, | |
1331 | .ops = { | |
1332 | .hw_params = wm8753_i2s_hw_params,}, | |
1333 | .dai_ops = { | |
1334 | .digital_mute = wm8753_mute, | |
1335 | .set_fmt = wm8753_mode1h_set_dai_fmt, | |
1336 | .set_clkdiv = wm8753_set_dai_clkdiv, | |
1337 | .set_pll = wm8753_set_dai_pll, | |
1338 | .set_sysclk = wm8753_set_dai_sysclk, | |
1339 | }, | |
1340 | }, | |
1341 | /* DAI Voice mode 1 */ | |
1342 | { .name = "WM8753 Voice", | |
1343 | .id = 1, | |
1344 | .playback = { | |
1345 | .stream_name = "Voice Playback", | |
1346 | .channels_min = 1, | |
1347 | .channels_max = 1, | |
1348 | .rates = WM8753_RATES, | |
1349 | .formats = WM8753_FORMATS,}, | |
1350 | .capture = { | |
1351 | .stream_name = "Capture", | |
1352 | .channels_min = 1, | |
1353 | .channels_max = 2, | |
1354 | .rates = WM8753_RATES, | |
1355 | .formats = WM8753_FORMATS,}, | |
1356 | .ops = { | |
1357 | .hw_params = wm8753_pcm_hw_params,}, | |
1358 | .dai_ops = { | |
1359 | .digital_mute = wm8753_mute, | |
1360 | .set_fmt = wm8753_mode1v_set_dai_fmt, | |
1361 | .set_clkdiv = wm8753_set_dai_clkdiv, | |
1362 | .set_pll = wm8753_set_dai_pll, | |
1363 | .set_sysclk = wm8753_set_dai_sysclk, | |
1364 | }, | |
1365 | }, | |
1366 | /* DAI HiFi mode 2 - dummy */ | |
1367 | { .name = "WM8753 HiFi", | |
1368 | .id = 2, | |
1369 | }, | |
1370 | /* DAI Voice mode 2 */ | |
1371 | { .name = "WM8753 Voice", | |
1372 | .id = 2, | |
1373 | .playback = { | |
1374 | .stream_name = "Voice Playback", | |
1375 | .channels_min = 1, | |
1376 | .channels_max = 1, | |
1377 | .rates = WM8753_RATES, | |
1378 | .formats = WM8753_FORMATS,}, | |
1379 | .capture = { | |
1380 | .stream_name = "Capture", | |
1381 | .channels_min = 1, | |
1382 | .channels_max = 2, | |
1383 | .rates = WM8753_RATES, | |
1384 | .formats = WM8753_FORMATS,}, | |
1385 | .ops = { | |
1386 | .hw_params = wm8753_pcm_hw_params,}, | |
1387 | .dai_ops = { | |
1388 | .digital_mute = wm8753_mute, | |
1389 | .set_fmt = wm8753_mode2_set_dai_fmt, | |
1390 | .set_clkdiv = wm8753_set_dai_clkdiv, | |
1391 | .set_pll = wm8753_set_dai_pll, | |
1392 | .set_sysclk = wm8753_set_dai_sysclk, | |
1393 | }, | |
1394 | }, | |
1395 | /* DAI HiFi mode 3 */ | |
1396 | { .name = "WM8753 HiFi", | |
1397 | .id = 3, | |
1398 | .playback = { | |
1399 | .stream_name = "HiFi Playback", | |
1400 | .channels_min = 1, | |
1401 | .channels_max = 2, | |
1402 | .rates = WM8753_RATES, | |
1403 | .formats = WM8753_FORMATS,}, | |
1404 | .capture = { | |
1405 | .stream_name = "Capture", | |
1406 | .channels_min = 1, | |
1407 | .channels_max = 2, | |
1408 | .rates = WM8753_RATES, | |
1409 | .formats = WM8753_FORMATS,}, | |
1410 | .ops = { | |
1411 | .hw_params = wm8753_i2s_hw_params,}, | |
1412 | .dai_ops = { | |
1413 | .digital_mute = wm8753_mute, | |
1414 | .set_fmt = wm8753_mode3_4_set_dai_fmt, | |
1415 | .set_clkdiv = wm8753_set_dai_clkdiv, | |
1416 | .set_pll = wm8753_set_dai_pll, | |
1417 | .set_sysclk = wm8753_set_dai_sysclk, | |
1418 | }, | |
1419 | }, | |
1420 | /* DAI Voice mode 3 - dummy */ | |
1421 | { .name = "WM8753 Voice", | |
1422 | .id = 3, | |
1423 | }, | |
1424 | /* DAI HiFi mode 4 */ | |
1425 | { .name = "WM8753 HiFi", | |
1426 | .id = 4, | |
1427 | .playback = { | |
1428 | .stream_name = "HiFi Playback", | |
1429 | .channels_min = 1, | |
1430 | .channels_max = 2, | |
1431 | .rates = WM8753_RATES, | |
1432 | .formats = WM8753_FORMATS,}, | |
1433 | .capture = { | |
1434 | .stream_name = "Capture", | |
1435 | .channels_min = 1, | |
1436 | .channels_max = 2, | |
1437 | .rates = WM8753_RATES, | |
1438 | .formats = WM8753_FORMATS,}, | |
1439 | .ops = { | |
1440 | .hw_params = wm8753_i2s_hw_params,}, | |
1441 | .dai_ops = { | |
1442 | .digital_mute = wm8753_mute, | |
1443 | .set_fmt = wm8753_mode3_4_set_dai_fmt, | |
1444 | .set_clkdiv = wm8753_set_dai_clkdiv, | |
1445 | .set_pll = wm8753_set_dai_pll, | |
1446 | .set_sysclk = wm8753_set_dai_sysclk, | |
1447 | }, | |
1448 | }, | |
1449 | /* DAI Voice mode 4 - dummy */ | |
1450 | { .name = "WM8753 Voice", | |
1451 | .id = 4, | |
1452 | }, | |
1453 | }; | |
1454 | ||
1455 | struct snd_soc_codec_dai wm8753_dai[2]; | |
1456 | EXPORT_SYMBOL_GPL(wm8753_dai); | |
1457 | ||
1458 | static void wm8753_set_dai_mode(struct snd_soc_codec *codec, unsigned int mode) | |
1459 | { | |
1460 | if (mode < 4) { | |
1461 | int playback_active, capture_active, codec_active, pop_wait; | |
1462 | void *private_data; | |
1463 | ||
1464 | playback_active = wm8753_dai[0].playback.active; | |
1465 | capture_active = wm8753_dai[0].capture.active; | |
1466 | codec_active = wm8753_dai[0].active; | |
1467 | private_data = wm8753_dai[0].private_data; | |
1468 | pop_wait = wm8753_dai[0].pop_wait; | |
1469 | wm8753_dai[0] = wm8753_all_dai[mode << 1]; | |
1470 | wm8753_dai[0].playback.active = playback_active; | |
1471 | wm8753_dai[0].capture.active = capture_active; | |
1472 | wm8753_dai[0].active = codec_active; | |
1473 | wm8753_dai[0].private_data = private_data; | |
1474 | wm8753_dai[0].pop_wait = pop_wait; | |
1475 | ||
1476 | playback_active = wm8753_dai[1].playback.active; | |
1477 | capture_active = wm8753_dai[1].capture.active; | |
1478 | codec_active = wm8753_dai[1].active; | |
1479 | private_data = wm8753_dai[1].private_data; | |
1480 | pop_wait = wm8753_dai[1].pop_wait; | |
1481 | wm8753_dai[1] = wm8753_all_dai[(mode << 1) + 1]; | |
1482 | wm8753_dai[1].playback.active = playback_active; | |
1483 | wm8753_dai[1].capture.active = capture_active; | |
1484 | wm8753_dai[1].active = codec_active; | |
1485 | wm8753_dai[1].private_data = private_data; | |
1486 | wm8753_dai[1].pop_wait = pop_wait; | |
1487 | } | |
1488 | wm8753_dai[0].codec = codec; | |
1489 | wm8753_dai[1].codec = codec; | |
1490 | } | |
1491 | ||
1492 | static void wm8753_work(struct work_struct *work) | |
1493 | { | |
1494 | struct snd_soc_codec *codec = | |
1495 | container_of(work, struct snd_soc_codec, delayed_work.work); | |
1496 | wm8753_dapm_event(codec, codec->dapm_state); | |
1497 | } | |
1498 | ||
1499 | static int wm8753_suspend(struct platform_device *pdev, pm_message_t state) | |
1500 | { | |
1501 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
1502 | struct snd_soc_codec *codec = socdev->codec; | |
1503 | ||
1504 | /* we only need to suspend if we are a valid card */ | |
1505 | if(!codec->card) | |
1506 | return 0; | |
1507 | ||
1508 | wm8753_dapm_event(codec, SNDRV_CTL_POWER_D3cold); | |
1509 | return 0; | |
1510 | } | |
1511 | ||
1512 | static int wm8753_resume(struct platform_device *pdev) | |
1513 | { | |
1514 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
1515 | struct snd_soc_codec *codec = socdev->codec; | |
1516 | int i; | |
1517 | u8 data[2]; | |
1518 | u16 *cache = codec->reg_cache; | |
1519 | ||
1520 | /* we only need to resume if we are a valid card */ | |
1521 | if(!codec->card) | |
1522 | return 0; | |
1523 | ||
1524 | /* Sync reg_cache with the hardware */ | |
1525 | for (i = 0; i < ARRAY_SIZE(wm8753_reg); i++) { | |
1526 | if (i + 1 == WM8753_RESET) | |
1527 | continue; | |
1528 | data[0] = ((i + 1) << 1) | ((cache[i] >> 8) & 0x0001); | |
1529 | data[1] = cache[i] & 0x00ff; | |
1530 | codec->hw_write(codec->control_data, data, 2); | |
1531 | } | |
1532 | ||
1533 | wm8753_dapm_event(codec, SNDRV_CTL_POWER_D3hot); | |
1534 | ||
1535 | /* charge wm8753 caps */ | |
1536 | if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0) { | |
1537 | wm8753_dapm_event(codec, SNDRV_CTL_POWER_D2); | |
1538 | codec->dapm_state = SNDRV_CTL_POWER_D0; | |
1539 | schedule_delayed_work(&codec->delayed_work, | |
1540 | msecs_to_jiffies(caps_charge)); | |
1541 | } | |
1542 | ||
1543 | return 0; | |
1544 | } | |
1545 | ||
1546 | /* | |
1547 | * initialise the WM8753 driver | |
1548 | * register the mixer and dsp interfaces with the kernel | |
1549 | */ | |
1550 | static int wm8753_init(struct snd_soc_device *socdev) | |
1551 | { | |
1552 | struct snd_soc_codec *codec = socdev->codec; | |
1553 | int reg, ret = 0; | |
1554 | ||
1555 | codec->name = "WM8753"; | |
1556 | codec->owner = THIS_MODULE; | |
1557 | codec->read = wm8753_read_reg_cache; | |
1558 | codec->write = wm8753_write; | |
1559 | codec->dapm_event = wm8753_dapm_event; | |
1560 | codec->dai = wm8753_dai; | |
1561 | codec->num_dai = 2; | |
1562 | codec->reg_cache_size = sizeof(wm8753_reg); | |
1563 | codec->reg_cache = kmemdup(wm8753_reg, sizeof(wm8753_reg), GFP_KERNEL); | |
1564 | ||
1565 | if (codec->reg_cache == NULL) | |
1566 | return -ENOMEM; | |
1567 | ||
1568 | wm8753_set_dai_mode(codec, 0); | |
1569 | ||
1570 | wm8753_reset(codec); | |
1571 | ||
1572 | /* register pcms */ | |
1573 | ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); | |
1574 | if (ret < 0) { | |
1575 | printk(KERN_ERR "wm8753: failed to create pcms\n"); | |
1576 | goto pcm_err; | |
1577 | } | |
1578 | ||
1579 | /* charge output caps */ | |
1580 | wm8753_dapm_event(codec, SNDRV_CTL_POWER_D2); | |
1581 | codec->dapm_state = SNDRV_CTL_POWER_D3hot; | |
1582 | schedule_delayed_work(&codec->delayed_work, | |
1583 | msecs_to_jiffies(caps_charge)); | |
1584 | ||
1585 | /* set the update bits */ | |
1586 | reg = wm8753_read_reg_cache(codec, WM8753_LDAC); | |
1587 | wm8753_write(codec, WM8753_LDAC, reg | 0x0100); | |
1588 | reg = wm8753_read_reg_cache(codec, WM8753_RDAC); | |
1589 | wm8753_write(codec, WM8753_RDAC, reg | 0x0100); | |
1590 | reg = wm8753_read_reg_cache(codec, WM8753_LADC); | |
1591 | wm8753_write(codec, WM8753_LADC, reg | 0x0100); | |
1592 | reg = wm8753_read_reg_cache(codec, WM8753_RADC); | |
1593 | wm8753_write(codec, WM8753_RADC, reg | 0x0100); | |
1594 | reg = wm8753_read_reg_cache(codec, WM8753_LOUT1V); | |
1595 | wm8753_write(codec, WM8753_LOUT1V, reg | 0x0100); | |
1596 | reg = wm8753_read_reg_cache(codec, WM8753_ROUT1V); | |
1597 | wm8753_write(codec, WM8753_ROUT1V, reg | 0x0100); | |
1598 | reg = wm8753_read_reg_cache(codec, WM8753_LOUT2V); | |
1599 | wm8753_write(codec, WM8753_LOUT2V, reg | 0x0100); | |
1600 | reg = wm8753_read_reg_cache(codec, WM8753_ROUT2V); | |
1601 | wm8753_write(codec, WM8753_ROUT2V, reg | 0x0100); | |
1602 | reg = wm8753_read_reg_cache(codec, WM8753_LINVOL); | |
1603 | wm8753_write(codec, WM8753_LINVOL, reg | 0x0100); | |
1604 | reg = wm8753_read_reg_cache(codec, WM8753_RINVOL); | |
1605 | wm8753_write(codec, WM8753_RINVOL, reg | 0x0100); | |
1606 | ||
1607 | wm8753_add_controls(codec); | |
1608 | wm8753_add_widgets(codec); | |
1609 | ret = snd_soc_register_card(socdev); | |
1610 | if (ret < 0) { | |
1611 | printk(KERN_ERR "wm8753: failed to register card\n"); | |
1612 | goto card_err; | |
1613 | } | |
1614 | return ret; | |
1615 | ||
1616 | card_err: | |
1617 | snd_soc_free_pcms(socdev); | |
1618 | snd_soc_dapm_free(socdev); | |
1619 | pcm_err: | |
1620 | kfree(codec->reg_cache); | |
1621 | return ret; | |
1622 | } | |
1623 | ||
1624 | /* If the i2c layer weren't so broken, we could pass this kind of data | |
1625 | around */ | |
1626 | static struct snd_soc_device *wm8753_socdev; | |
1627 | ||
1628 | #if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE) | |
1629 | ||
1630 | /* | |
1631 | * WM8753 2 wire address is determined by GPIO5 | |
1632 | * state during powerup. | |
1633 | * low = 0x1a | |
1634 | * high = 0x1b | |
1635 | */ | |
1636 | static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END }; | |
1637 | ||
1638 | /* Magic definition of all other variables and things */ | |
1639 | I2C_CLIENT_INSMOD; | |
1640 | ||
1641 | static struct i2c_driver wm8753_i2c_driver; | |
1642 | static struct i2c_client client_template; | |
1643 | ||
1644 | static int wm8753_codec_probe(struct i2c_adapter *adap, int addr, int kind) | |
1645 | { | |
1646 | struct snd_soc_device *socdev = wm8753_socdev; | |
1647 | struct wm8753_setup_data *setup = socdev->codec_data; | |
1648 | struct snd_soc_codec *codec = socdev->codec; | |
1649 | struct i2c_client *i2c; | |
1650 | int ret; | |
1651 | ||
1652 | if (addr != setup->i2c_address) | |
1653 | return -ENODEV; | |
1654 | ||
1655 | client_template.adapter = adap; | |
1656 | client_template.addr = addr; | |
1657 | ||
1658 | i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL); | |
1659 | if (i2c == NULL){ | |
1660 | kfree(codec); | |
1661 | return -ENOMEM; | |
1662 | } | |
1663 | i2c_set_clientdata(i2c, codec); | |
1664 | codec->control_data = i2c; | |
1665 | ||
1666 | ret = i2c_attach_client(i2c); | |
1667 | if (ret < 0) { | |
1668 | err("failed to attach codec at addr %x\n", addr); | |
1669 | goto err; | |
1670 | } | |
1671 | ||
1672 | ret = wm8753_init(socdev); | |
1673 | if (ret < 0) { | |
1674 | err("failed to initialise WM8753\n"); | |
1675 | goto err; | |
1676 | } | |
1677 | ||
1678 | return ret; | |
1679 | ||
1680 | err: | |
1681 | kfree(codec); | |
1682 | kfree(i2c); | |
1683 | return ret; | |
1684 | } | |
1685 | ||
1686 | static int wm8753_i2c_detach(struct i2c_client *client) | |
1687 | { | |
1688 | struct snd_soc_codec *codec = i2c_get_clientdata(client); | |
1689 | i2c_detach_client(client); | |
1690 | kfree(codec->reg_cache); | |
1691 | kfree(client); | |
1692 | return 0; | |
1693 | } | |
1694 | ||
1695 | static int wm8753_i2c_attach(struct i2c_adapter *adap) | |
1696 | { | |
1697 | return i2c_probe(adap, &addr_data, wm8753_codec_probe); | |
1698 | } | |
1699 | ||
1700 | /* corgi i2c codec control layer */ | |
1701 | static struct i2c_driver wm8753_i2c_driver = { | |
1702 | .driver = { | |
1703 | .name = "WM8753 I2C Codec", | |
1704 | .owner = THIS_MODULE, | |
1705 | }, | |
1706 | .id = I2C_DRIVERID_WM8753, | |
1707 | .attach_adapter = wm8753_i2c_attach, | |
1708 | .detach_client = wm8753_i2c_detach, | |
1709 | .command = NULL, | |
1710 | }; | |
1711 | ||
1712 | static struct i2c_client client_template = { | |
1713 | .name = "WM8753", | |
1714 | .driver = &wm8753_i2c_driver, | |
1715 | }; | |
1716 | #endif | |
1717 | ||
1718 | static int wm8753_probe(struct platform_device *pdev) | |
1719 | { | |
1720 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
1721 | struct wm8753_setup_data *setup; | |
1722 | struct snd_soc_codec *codec; | |
1723 | struct wm8753_priv *wm8753; | |
1724 | int ret = 0; | |
1725 | ||
1726 | info("WM8753 Audio Codec %s", WM8753_VERSION); | |
1727 | ||
1728 | setup = socdev->codec_data; | |
1729 | codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); | |
1730 | if (codec == NULL) | |
1731 | return -ENOMEM; | |
1732 | ||
1733 | wm8753 = kzalloc(sizeof(struct wm8753_priv), GFP_KERNEL); | |
1734 | if (wm8753 == NULL) { | |
1735 | kfree(codec); | |
1736 | return -ENOMEM; | |
1737 | } | |
1738 | ||
1739 | codec->private_data = wm8753; | |
1740 | socdev->codec = codec; | |
1741 | mutex_init(&codec->mutex); | |
1742 | INIT_LIST_HEAD(&codec->dapm_widgets); | |
1743 | INIT_LIST_HEAD(&codec->dapm_paths); | |
1744 | wm8753_socdev = socdev; | |
1745 | INIT_DELAYED_WORK(&codec->delayed_work, wm8753_work); | |
1746 | ||
1747 | #if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE) | |
1748 | if (setup->i2c_address) { | |
1749 | normal_i2c[0] = setup->i2c_address; | |
1750 | codec->hw_write = (hw_write_t)i2c_master_send; | |
1751 | ret = i2c_add_driver(&wm8753_i2c_driver); | |
1752 | if (ret != 0) | |
1753 | printk(KERN_ERR "can't add i2c driver"); | |
1754 | } | |
1755 | #else | |
1756 | /* Add other interfaces here */ | |
1757 | #endif | |
1758 | return ret; | |
1759 | } | |
1760 | ||
1761 | /* | |
1762 | * This function forces any delayed work to be queued and run. | |
1763 | */ | |
1764 | static int run_delayed_work(struct delayed_work *dwork) | |
1765 | { | |
1766 | int ret; | |
1767 | ||
1768 | /* cancel any work waiting to be queued. */ | |
1769 | ret = cancel_delayed_work(dwork); | |
1770 | ||
1771 | /* if there was any work waiting then we run it now and | |
1772 | * wait for it's completion */ | |
1773 | if (ret) { | |
1774 | schedule_delayed_work(dwork, 0); | |
1775 | flush_scheduled_work(); | |
1776 | } | |
1777 | return ret; | |
1778 | } | |
1779 | ||
1780 | /* power down chip */ | |
1781 | static int wm8753_remove(struct platform_device *pdev) | |
1782 | { | |
1783 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
1784 | struct snd_soc_codec *codec = socdev->codec; | |
1785 | ||
1786 | if (codec->control_data) | |
1787 | wm8753_dapm_event(codec, SNDRV_CTL_POWER_D3cold); | |
1788 | run_delayed_work(&codec->delayed_work); | |
1789 | snd_soc_free_pcms(socdev); | |
1790 | snd_soc_dapm_free(socdev); | |
1791 | #if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE) | |
1792 | i2c_del_driver(&wm8753_i2c_driver); | |
1793 | #endif | |
1794 | kfree(codec->private_data); | |
1795 | kfree(codec); | |
1796 | ||
1797 | return 0; | |
1798 | } | |
1799 | ||
1800 | struct snd_soc_codec_device soc_codec_dev_wm8753 = { | |
1801 | .probe = wm8753_probe, | |
1802 | .remove = wm8753_remove, | |
1803 | .suspend = wm8753_suspend, | |
1804 | .resume = wm8753_resume, | |
1805 | }; | |
1806 | ||
1807 | EXPORT_SYMBOL_GPL(soc_codec_dev_wm8753); | |
1808 | ||
1809 | MODULE_DESCRIPTION("ASoC WM8753 driver"); | |
1810 | MODULE_AUTHOR("Liam Girdwood"); | |
1811 | MODULE_LICENSE("GPL"); |