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1f53aee0 LG |
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> | |
1f53aee0 LG |
44 | #include <sound/core.h> |
45 | #include <sound/pcm.h> | |
46 | #include <sound/pcm_params.h> | |
47 | #include <sound/soc.h> | |
48 | #include <sound/soc-dapm.h> | |
49 | #include <sound/initval.h> | |
50 | #include <asm/div64.h> | |
51 | ||
52 | #include "wm8753.h" | |
53 | ||
54 | #define AUDIO_NAME "wm8753" | |
55 | #define WM8753_VERSION "0.16" | |
56 | ||
57 | /* | |
58 | * Debug | |
59 | */ | |
60 | ||
61 | #define WM8753_DEBUG 0 | |
62 | ||
63 | #ifdef WM8753_DEBUG | |
64 | #define dbg(format, arg...) \ | |
65 | printk(KERN_DEBUG AUDIO_NAME ": " format "\n" , ## arg) | |
66 | #else | |
67 | #define dbg(format, arg...) do {} while (0) | |
68 | #endif | |
69 | #define err(format, arg...) \ | |
70 | printk(KERN_ERR AUDIO_NAME ": " format "\n" , ## arg) | |
71 | #define info(format, arg...) \ | |
72 | printk(KERN_INFO AUDIO_NAME ": " format "\n" , ## arg) | |
73 | #define warn(format, arg...) \ | |
74 | printk(KERN_WARNING AUDIO_NAME ": " format "\n" , ## arg) | |
75 | ||
76 | static int caps_charge = 2000; | |
77 | module_param(caps_charge, int, 0); | |
78 | MODULE_PARM_DESC(caps_charge, "WM8753 cap charge time (msecs)"); | |
79 | ||
80 | static void wm8753_set_dai_mode(struct snd_soc_codec *codec, | |
81 | unsigned int mode); | |
82 | ||
83 | /* codec private data */ | |
84 | struct wm8753_priv { | |
85 | unsigned int sysclk; | |
86 | unsigned int pcmclk; | |
87 | }; | |
88 | ||
89 | /* | |
90 | * wm8753 register cache | |
91 | * We can't read the WM8753 register space when we | |
92 | * are using 2 wire for device control, so we cache them instead. | |
93 | */ | |
94 | static const u16 wm8753_reg[] = { | |
95 | 0x0008, 0x0000, 0x000a, 0x000a, | |
96 | 0x0033, 0x0000, 0x0007, 0x00ff, | |
97 | 0x00ff, 0x000f, 0x000f, 0x007b, | |
98 | 0x0000, 0x0032, 0x0000, 0x00c3, | |
99 | 0x00c3, 0x00c0, 0x0000, 0x0000, | |
100 | 0x0000, 0x0000, 0x0000, 0x0000, | |
101 | 0x0000, 0x0000, 0x0000, 0x0000, | |
102 | 0x0000, 0x0000, 0x0000, 0x0055, | |
103 | 0x0005, 0x0050, 0x0055, 0x0050, | |
104 | 0x0055, 0x0050, 0x0055, 0x0079, | |
105 | 0x0079, 0x0079, 0x0079, 0x0079, | |
106 | 0x0000, 0x0000, 0x0000, 0x0000, | |
107 | 0x0097, 0x0097, 0x0000, 0x0004, | |
108 | 0x0000, 0x0083, 0x0024, 0x01ba, | |
109 | 0x0000, 0x0083, 0x0024, 0x01ba, | |
110 | 0x0000, 0x0000 | |
111 | }; | |
112 | ||
113 | /* | |
114 | * read wm8753 register cache | |
115 | */ | |
116 | static inline unsigned int wm8753_read_reg_cache(struct snd_soc_codec *codec, | |
117 | unsigned int reg) | |
118 | { | |
119 | u16 *cache = codec->reg_cache; | |
120 | if (reg < 1 || reg > (ARRAY_SIZE(wm8753_reg) + 1)) | |
121 | return -1; | |
122 | return cache[reg - 1]; | |
123 | } | |
124 | ||
125 | /* | |
126 | * write wm8753 register cache | |
127 | */ | |
128 | static inline void wm8753_write_reg_cache(struct snd_soc_codec *codec, | |
129 | unsigned int reg, unsigned int value) | |
130 | { | |
131 | u16 *cache = codec->reg_cache; | |
132 | if (reg < 1 || reg > 0x3f) | |
133 | return; | |
134 | cache[reg - 1] = value; | |
135 | } | |
136 | ||
137 | /* | |
138 | * write to the WM8753 register space | |
139 | */ | |
140 | static int wm8753_write(struct snd_soc_codec *codec, unsigned int reg, | |
141 | unsigned int value) | |
142 | { | |
143 | u8 data[2]; | |
144 | ||
145 | /* data is | |
146 | * D15..D9 WM8753 register offset | |
147 | * D8...D0 register data | |
148 | */ | |
149 | data[0] = (reg << 1) | ((value >> 8) & 0x0001); | |
150 | data[1] = value & 0x00ff; | |
151 | ||
152 | wm8753_write_reg_cache (codec, reg, value); | |
153 | if (codec->hw_write(codec->control_data, data, 2) == 2) | |
154 | return 0; | |
155 | else | |
156 | return -EIO; | |
157 | } | |
158 | ||
159 | #define wm8753_reset(c) wm8753_write(c, WM8753_RESET, 0) | |
160 | ||
161 | /* | |
162 | * WM8753 Controls | |
163 | */ | |
164 | static const char *wm8753_base[] = {"Linear Control", "Adaptive Boost"}; | |
165 | static const char *wm8753_base_filter[] = | |
166 | {"130Hz @ 48kHz", "200Hz @ 48kHz", "100Hz @ 16kHz", "400Hz @ 48kHz", | |
167 | "100Hz @ 8kHz", "200Hz @ 8kHz"}; | |
168 | static const char *wm8753_treble[] = {"8kHz", "4kHz"}; | |
169 | static const char *wm8753_alc_func[] = {"Off", "Right", "Left", "Stereo"}; | |
170 | static const char *wm8753_ng_type[] = {"Constant PGA Gain", "Mute ADC Output"}; | |
171 | static const char *wm8753_3d_func[] = {"Capture", "Playback"}; | |
172 | static const char *wm8753_3d_uc[] = {"2.2kHz", "1.5kHz"}; | |
173 | static const char *wm8753_3d_lc[] = {"200Hz", "500Hz"}; | |
174 | static const char *wm8753_deemp[] = {"None", "32kHz", "44.1kHz", "48kHz"}; | |
175 | static const char *wm8753_mono_mix[] = {"Stereo", "Left", "Right", "Mono"}; | |
176 | static const char *wm8753_dac_phase[] = {"Non Inverted", "Inverted"}; | |
177 | static const char *wm8753_line_mix[] = {"Line 1 + 2", "Line 1 - 2", | |
178 | "Line 1", "Line 2"}; | |
179 | static const char *wm8753_mono_mux[] = {"Line Mix", "Rx Mix"}; | |
180 | static const char *wm8753_right_mux[] = {"Line 2", "Rx Mix"}; | |
181 | static const char *wm8753_left_mux[] = {"Line 1", "Rx Mix"}; | |
182 | static const char *wm8753_rxmsel[] = {"RXP - RXN", "RXP + RXN", "RXP", "RXN"}; | |
183 | static const char *wm8753_sidetone_mux[] = {"Left PGA", "Mic 1", "Mic 2", | |
184 | "Right PGA"}; | |
185 | static const char *wm8753_mono2_src[] = {"Inverted Mono 1", "Left", "Right", | |
186 | "Left + Right"}; | |
187 | static const char *wm8753_out3[] = {"VREF", "ROUT2", "Left + Right"}; | |
188 | static const char *wm8753_out4[] = {"VREF", "Capture ST", "LOUT2"}; | |
189 | static const char *wm8753_radcsel[] = {"PGA", "Line or RXP-RXN", "Sidetone"}; | |
190 | static const char *wm8753_ladcsel[] = {"PGA", "Line or RXP-RXN", "Line"}; | |
191 | static const char *wm8753_mono_adc[] = {"Stereo", "Analogue Mix Left", | |
192 | "Analogue Mix Right", "Digital Mono Mix"}; | |
193 | static const char *wm8753_adc_hp[] = {"3.4Hz @ 48kHz", "82Hz @ 16k", | |
194 | "82Hz @ 8kHz", "170Hz @ 8kHz"}; | |
195 | static const char *wm8753_adc_filter[] = {"HiFi", "Voice"}; | |
196 | static const char *wm8753_mic_sel[] = {"Mic 1", "Mic 2", "Mic 3"}; | |
197 | static const char *wm8753_dai_mode[] = {"DAI 0", "DAI 1", "DAI 2", "DAI 3"}; | |
198 | static const char *wm8753_dat_sel[] = {"Stereo", "Left ADC", "Right ADC", | |
199 | "Channel Swap"}; | |
200 | ||
201 | static const struct soc_enum wm8753_enum[] = { | |
202 | SOC_ENUM_SINGLE(WM8753_BASS, 7, 2, wm8753_base), | |
203 | SOC_ENUM_SINGLE(WM8753_BASS, 4, 6, wm8753_base_filter), | |
204 | SOC_ENUM_SINGLE(WM8753_TREBLE, 6, 2, wm8753_treble), | |
205 | SOC_ENUM_SINGLE(WM8753_ALC1, 7, 4, wm8753_alc_func), | |
206 | SOC_ENUM_SINGLE(WM8753_NGATE, 1, 2, wm8753_ng_type), | |
207 | SOC_ENUM_SINGLE(WM8753_3D, 7, 2, wm8753_3d_func), | |
208 | SOC_ENUM_SINGLE(WM8753_3D, 6, 2, wm8753_3d_uc), | |
209 | SOC_ENUM_SINGLE(WM8753_3D, 5, 2, wm8753_3d_lc), | |
210 | SOC_ENUM_SINGLE(WM8753_DAC, 1, 4, wm8753_deemp), | |
211 | SOC_ENUM_SINGLE(WM8753_DAC, 4, 4, wm8753_mono_mix), | |
212 | SOC_ENUM_SINGLE(WM8753_DAC, 6, 2, wm8753_dac_phase), | |
213 | SOC_ENUM_SINGLE(WM8753_INCTL1, 3, 4, wm8753_line_mix), | |
214 | SOC_ENUM_SINGLE(WM8753_INCTL1, 2, 2, wm8753_mono_mux), | |
215 | SOC_ENUM_SINGLE(WM8753_INCTL1, 1, 2, wm8753_right_mux), | |
216 | SOC_ENUM_SINGLE(WM8753_INCTL1, 0, 2, wm8753_left_mux), | |
217 | SOC_ENUM_SINGLE(WM8753_INCTL2, 6, 4, wm8753_rxmsel), | |
218 | SOC_ENUM_SINGLE(WM8753_INCTL2, 4, 4, wm8753_sidetone_mux), | |
219 | SOC_ENUM_SINGLE(WM8753_OUTCTL, 7, 4, wm8753_mono2_src), | |
220 | SOC_ENUM_SINGLE(WM8753_OUTCTL, 0, 3, wm8753_out3), | |
221 | SOC_ENUM_SINGLE(WM8753_ADCTL2, 7, 3, wm8753_out4), | |
222 | SOC_ENUM_SINGLE(WM8753_ADCIN, 2, 3, wm8753_radcsel), | |
223 | SOC_ENUM_SINGLE(WM8753_ADCIN, 0, 3, wm8753_ladcsel), | |
224 | SOC_ENUM_SINGLE(WM8753_ADCIN, 4, 4, wm8753_mono_adc), | |
225 | SOC_ENUM_SINGLE(WM8753_ADC, 2, 4, wm8753_adc_hp), | |
226 | SOC_ENUM_SINGLE(WM8753_ADC, 4, 2, wm8753_adc_filter), | |
227 | SOC_ENUM_SINGLE(WM8753_MICBIAS, 6, 3, wm8753_mic_sel), | |
228 | SOC_ENUM_SINGLE(WM8753_IOCTL, 2, 4, wm8753_dai_mode), | |
229 | SOC_ENUM_SINGLE(WM8753_ADC, 7, 4, wm8753_dat_sel), | |
230 | }; | |
231 | ||
232 | ||
233 | static int wm8753_get_dai(struct snd_kcontrol *kcontrol, | |
234 | struct snd_ctl_elem_value *ucontrol) | |
235 | { | |
236 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
237 | int mode = wm8753_read_reg_cache(codec, WM8753_IOCTL); | |
238 | ||
239 | ucontrol->value.integer.value[0] = (mode & 0xc) >> 2; | |
240 | return 0; | |
241 | } | |
242 | ||
243 | static int wm8753_set_dai(struct snd_kcontrol *kcontrol, | |
244 | struct snd_ctl_elem_value *ucontrol) | |
245 | { | |
246 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
247 | int mode = wm8753_read_reg_cache(codec, WM8753_IOCTL); | |
248 | ||
249 | if (((mode &0xc) >> 2) == ucontrol->value.integer.value[0]) | |
250 | return 0; | |
251 | ||
252 | mode &= 0xfff3; | |
253 | mode |= (ucontrol->value.integer.value[0] << 2); | |
254 | ||
255 | wm8753_write(codec, WM8753_IOCTL, mode); | |
256 | wm8753_set_dai_mode(codec, ucontrol->value.integer.value[0]); | |
257 | return 1; | |
258 | } | |
259 | ||
260 | static const struct snd_kcontrol_new wm8753_snd_controls[] = { | |
261 | SOC_DOUBLE_R("PCM Volume", WM8753_LDAC, WM8753_RDAC, 0, 255, 0), | |
262 | ||
263 | SOC_DOUBLE_R("ADC Capture Volume", WM8753_LADC, WM8753_RADC, 0, 255, 0), | |
264 | ||
265 | SOC_DOUBLE_R("Headphone Playback Volume", WM8753_LOUT1V, WM8753_ROUT1V, 0, 127, 0), | |
266 | SOC_DOUBLE_R("Speaker Playback Volume", WM8753_LOUT2V, WM8753_ROUT2V, 0, 127, 0), | |
267 | ||
268 | SOC_SINGLE("Mono Playback Volume", WM8753_MOUTV, 0, 127, 0), | |
269 | ||
270 | SOC_DOUBLE_R("Bypass Playback Volume", WM8753_LOUTM1, WM8753_ROUTM1, 4, 7, 1), | |
271 | SOC_DOUBLE_R("Sidetone Playback Volume", WM8753_LOUTM2, WM8753_ROUTM2, 4, 7, 1), | |
272 | SOC_DOUBLE_R("Voice Playback Volume", WM8753_LOUTM2, WM8753_ROUTM2, 0, 7, 1), | |
273 | ||
274 | SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8753_LOUT1V, WM8753_ROUT1V, 7, 1, 0), | |
275 | SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8753_LOUT2V, WM8753_ROUT2V, 7, 1, 0), | |
276 | ||
277 | SOC_SINGLE("Mono Bypass Playback Volume", WM8753_MOUTM1, 4, 7, 1), | |
278 | SOC_SINGLE("Mono Sidetone Playback Volume", WM8753_MOUTM2, 4, 7, 1), | |
279 | SOC_SINGLE("Mono Voice Playback Volume", WM8753_MOUTM2, 4, 7, 1), | |
280 | SOC_SINGLE("Mono Playback ZC Switch", WM8753_MOUTV, 7, 1, 0), | |
281 | ||
282 | SOC_ENUM("Bass Boost", wm8753_enum[0]), | |
283 | SOC_ENUM("Bass Filter", wm8753_enum[1]), | |
284 | SOC_SINGLE("Bass Volume", WM8753_BASS, 0, 15, 1), | |
285 | ||
286 | SOC_SINGLE("Treble Volume", WM8753_TREBLE, 0, 15, 1), | |
287 | SOC_ENUM("Treble Cut-off", wm8753_enum[2]), | |
288 | ||
289 | SOC_DOUBLE("Sidetone Capture Volume", WM8753_RECMIX1, 0, 4, 7, 1), | |
290 | SOC_SINGLE("Voice Sidetone Capture Volume", WM8753_RECMIX2, 0, 7, 1), | |
291 | ||
292 | SOC_DOUBLE_R("Capture Volume", WM8753_LINVOL, WM8753_RINVOL, 0, 63, 0), | |
293 | SOC_DOUBLE_R("Capture ZC Switch", WM8753_LINVOL, WM8753_RINVOL, 6, 1, 0), | |
294 | SOC_DOUBLE_R("Capture Switch", WM8753_LINVOL, WM8753_RINVOL, 7, 1, 1), | |
295 | ||
296 | SOC_ENUM("Capture Filter Select", wm8753_enum[23]), | |
297 | SOC_ENUM("Capture Filter Cut-off", wm8753_enum[24]), | |
298 | SOC_SINGLE("Capture Filter Switch", WM8753_ADC, 0, 1, 1), | |
299 | ||
300 | SOC_SINGLE("ALC Capture Target Volume", WM8753_ALC1, 0, 7, 0), | |
301 | SOC_SINGLE("ALC Capture Max Volume", WM8753_ALC1, 4, 7, 0), | |
302 | SOC_ENUM("ALC Capture Function", wm8753_enum[3]), | |
303 | SOC_SINGLE("ALC Capture ZC Switch", WM8753_ALC2, 8, 1, 0), | |
304 | SOC_SINGLE("ALC Capture Hold Time", WM8753_ALC2, 0, 15, 1), | |
305 | SOC_SINGLE("ALC Capture Decay Time", WM8753_ALC3, 4, 15, 1), | |
306 | SOC_SINGLE("ALC Capture Attack Time", WM8753_ALC3, 0, 15, 0), | |
307 | SOC_SINGLE("ALC Capture NG Threshold", WM8753_NGATE, 3, 31, 0), | |
308 | SOC_ENUM("ALC Capture NG Type", wm8753_enum[4]), | |
309 | SOC_SINGLE("ALC Capture NG Switch", WM8753_NGATE, 0, 1, 0), | |
310 | ||
311 | SOC_ENUM("3D Function", wm8753_enum[5]), | |
312 | SOC_ENUM("3D Upper Cut-off", wm8753_enum[6]), | |
313 | SOC_ENUM("3D Lower Cut-off", wm8753_enum[7]), | |
314 | SOC_SINGLE("3D Volume", WM8753_3D, 1, 15, 0), | |
315 | SOC_SINGLE("3D Switch", WM8753_3D, 0, 1, 0), | |
316 | ||
317 | SOC_SINGLE("Capture 6dB Attenuate", WM8753_ADCTL1, 2, 1, 0), | |
318 | SOC_SINGLE("Playback 6dB Attenuate", WM8753_ADCTL1, 1, 1, 0), | |
319 | ||
320 | SOC_ENUM("De-emphasis", wm8753_enum[8]), | |
321 | SOC_ENUM("Playback Mono Mix", wm8753_enum[9]), | |
322 | SOC_ENUM("Playback Phase", wm8753_enum[10]), | |
323 | ||
324 | SOC_SINGLE("Mic2 Capture Volume", WM8753_INCTL1, 7, 3, 0), | |
325 | SOC_SINGLE("Mic1 Capture Volume", WM8753_INCTL1, 5, 3, 0), | |
326 | ||
327 | SOC_ENUM_EXT("DAI Mode", wm8753_enum[26], wm8753_get_dai, wm8753_set_dai), | |
328 | ||
329 | SOC_ENUM("ADC Data Select", wm8753_enum[27]), | |
330 | }; | |
331 | ||
332 | /* add non dapm controls */ | |
333 | static int wm8753_add_controls(struct snd_soc_codec *codec) | |
334 | { | |
335 | int err, i; | |
336 | ||
337 | for (i = 0; i < ARRAY_SIZE(wm8753_snd_controls); i++) { | |
338 | err = snd_ctl_add(codec->card, | |
339 | snd_soc_cnew(&wm8753_snd_controls[i],codec, NULL)); | |
340 | if (err < 0) | |
341 | return err; | |
342 | } | |
343 | return 0; | |
344 | } | |
345 | ||
346 | /* | |
347 | * _DAPM_ Controls | |
348 | */ | |
349 | ||
350 | /* Left Mixer */ | |
351 | static const struct snd_kcontrol_new wm8753_left_mixer_controls[] = { | |
352 | SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_LOUTM2, 8, 1, 0), | |
353 | SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_LOUTM2, 7, 1, 0), | |
354 | SOC_DAPM_SINGLE("Left Playback Switch", WM8753_LOUTM1, 8, 1, 0), | |
355 | SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_LOUTM1, 7, 1, 0), | |
356 | }; | |
357 | ||
358 | /* Right mixer */ | |
359 | static const struct snd_kcontrol_new wm8753_right_mixer_controls[] = { | |
360 | SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_ROUTM2, 8, 1, 0), | |
361 | SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_ROUTM2, 7, 1, 0), | |
362 | SOC_DAPM_SINGLE("Right Playback Switch", WM8753_ROUTM1, 8, 1, 0), | |
363 | SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_ROUTM1, 7, 1, 0), | |
364 | }; | |
365 | ||
366 | /* Mono mixer */ | |
367 | static const struct snd_kcontrol_new wm8753_mono_mixer_controls[] = { | |
368 | SOC_DAPM_SINGLE("Left Playback Switch", WM8753_MOUTM1, 8, 1, 0), | |
369 | SOC_DAPM_SINGLE("Right Playback Switch", WM8753_MOUTM2, 8, 1, 0), | |
370 | SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_MOUTM2, 3, 1, 0), | |
371 | SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_MOUTM2, 7, 1, 0), | |
372 | SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_MOUTM1, 7, 1, 0), | |
373 | }; | |
374 | ||
375 | /* Mono 2 Mux */ | |
376 | static const struct snd_kcontrol_new wm8753_mono2_controls = | |
377 | SOC_DAPM_ENUM("Route", wm8753_enum[17]); | |
378 | ||
379 | /* Out 3 Mux */ | |
380 | static const struct snd_kcontrol_new wm8753_out3_controls = | |
381 | SOC_DAPM_ENUM("Route", wm8753_enum[18]); | |
382 | ||
383 | /* Out 4 Mux */ | |
384 | static const struct snd_kcontrol_new wm8753_out4_controls = | |
385 | SOC_DAPM_ENUM("Route", wm8753_enum[19]); | |
386 | ||
387 | /* ADC Mono Mix */ | |
388 | static const struct snd_kcontrol_new wm8753_adc_mono_controls = | |
389 | SOC_DAPM_ENUM("Route", wm8753_enum[22]); | |
390 | ||
391 | /* Record mixer */ | |
392 | static const struct snd_kcontrol_new wm8753_record_mixer_controls[] = { | |
393 | SOC_DAPM_SINGLE("Voice Capture Switch", WM8753_RECMIX2, 3, 1, 0), | |
394 | SOC_DAPM_SINGLE("Left Capture Switch", WM8753_RECMIX1, 3, 1, 0), | |
395 | SOC_DAPM_SINGLE("Right Capture Switch", WM8753_RECMIX1, 7, 1, 0), | |
396 | }; | |
397 | ||
398 | /* Left ADC mux */ | |
399 | static const struct snd_kcontrol_new wm8753_adc_left_controls = | |
400 | SOC_DAPM_ENUM("Route", wm8753_enum[21]); | |
401 | ||
402 | /* Right ADC mux */ | |
403 | static const struct snd_kcontrol_new wm8753_adc_right_controls = | |
404 | SOC_DAPM_ENUM("Route", wm8753_enum[20]); | |
405 | ||
406 | /* MIC mux */ | |
407 | static const struct snd_kcontrol_new wm8753_mic_mux_controls = | |
408 | SOC_DAPM_ENUM("Route", wm8753_enum[16]); | |
409 | ||
410 | /* ALC mixer */ | |
411 | static const struct snd_kcontrol_new wm8753_alc_mixer_controls[] = { | |
412 | SOC_DAPM_SINGLE("Line Capture Switch", WM8753_INCTL2, 3, 1, 0), | |
413 | SOC_DAPM_SINGLE("Mic2 Capture Switch", WM8753_INCTL2, 2, 1, 0), | |
414 | SOC_DAPM_SINGLE("Mic1 Capture Switch", WM8753_INCTL2, 1, 1, 0), | |
415 | SOC_DAPM_SINGLE("Rx Capture Switch", WM8753_INCTL2, 0, 1, 0), | |
416 | }; | |
417 | ||
418 | /* Left Line mux */ | |
419 | static const struct snd_kcontrol_new wm8753_line_left_controls = | |
420 | SOC_DAPM_ENUM("Route", wm8753_enum[14]); | |
421 | ||
422 | /* Right Line mux */ | |
423 | static const struct snd_kcontrol_new wm8753_line_right_controls = | |
424 | SOC_DAPM_ENUM("Route", wm8753_enum[13]); | |
425 | ||
426 | /* Mono Line mux */ | |
427 | static const struct snd_kcontrol_new wm8753_line_mono_controls = | |
428 | SOC_DAPM_ENUM("Route", wm8753_enum[12]); | |
429 | ||
430 | /* Line mux and mixer */ | |
431 | static const struct snd_kcontrol_new wm8753_line_mux_mix_controls = | |
432 | SOC_DAPM_ENUM("Route", wm8753_enum[11]); | |
433 | ||
434 | /* Rx mux and mixer */ | |
435 | static const struct snd_kcontrol_new wm8753_rx_mux_mix_controls = | |
436 | SOC_DAPM_ENUM("Route", wm8753_enum[15]); | |
437 | ||
438 | /* Mic Selector Mux */ | |
439 | static const struct snd_kcontrol_new wm8753_mic_sel_mux_controls = | |
440 | SOC_DAPM_ENUM("Route", wm8753_enum[25]); | |
441 | ||
442 | static const struct snd_soc_dapm_widget wm8753_dapm_widgets[] = { | |
443 | SND_SOC_DAPM_MICBIAS("Mic Bias", WM8753_PWR1, 5, 0), | |
444 | SND_SOC_DAPM_MIXER("Left Mixer", WM8753_PWR4, 0, 0, | |
445 | &wm8753_left_mixer_controls[0], ARRAY_SIZE(wm8753_left_mixer_controls)), | |
446 | SND_SOC_DAPM_PGA("Left Out 1", WM8753_PWR3, 8, 0, NULL, 0), | |
447 | SND_SOC_DAPM_PGA("Left Out 2", WM8753_PWR3, 6, 0, NULL, 0), | |
448 | SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", WM8753_PWR1, 3, 0), | |
449 | SND_SOC_DAPM_OUTPUT("LOUT1"), | |
450 | SND_SOC_DAPM_OUTPUT("LOUT2"), | |
451 | SND_SOC_DAPM_MIXER("Right Mixer", WM8753_PWR4, 1, 0, | |
452 | &wm8753_right_mixer_controls[0], ARRAY_SIZE(wm8753_right_mixer_controls)), | |
453 | SND_SOC_DAPM_PGA("Right Out 1", WM8753_PWR3, 7, 0, NULL, 0), | |
454 | SND_SOC_DAPM_PGA("Right Out 2", WM8753_PWR3, 5, 0, NULL, 0), | |
455 | SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", WM8753_PWR1, 2, 0), | |
456 | SND_SOC_DAPM_OUTPUT("ROUT1"), | |
457 | SND_SOC_DAPM_OUTPUT("ROUT2"), | |
458 | SND_SOC_DAPM_MIXER("Mono Mixer", WM8753_PWR4, 2, 0, | |
459 | &wm8753_mono_mixer_controls[0], ARRAY_SIZE(wm8753_mono_mixer_controls)), | |
460 | SND_SOC_DAPM_PGA("Mono Out 1", WM8753_PWR3, 2, 0, NULL, 0), | |
461 | SND_SOC_DAPM_PGA("Mono Out 2", WM8753_PWR3, 1, 0, NULL, 0), | |
462 | SND_SOC_DAPM_DAC("Voice DAC", "Voice Playback", WM8753_PWR1, 4, 0), | |
463 | SND_SOC_DAPM_OUTPUT("MONO1"), | |
464 | SND_SOC_DAPM_MUX("Mono 2 Mux", SND_SOC_NOPM, 0, 0, &wm8753_mono2_controls), | |
465 | SND_SOC_DAPM_OUTPUT("MONO2"), | |
466 | SND_SOC_DAPM_MIXER("Out3 Left + Right", -1, 0, 0, NULL, 0), | |
467 | SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, &wm8753_out3_controls), | |
468 | SND_SOC_DAPM_PGA("Out 3", WM8753_PWR3, 4, 0, NULL, 0), | |
469 | SND_SOC_DAPM_OUTPUT("OUT3"), | |
470 | SND_SOC_DAPM_MUX("Out4 Mux", SND_SOC_NOPM, 0, 0, &wm8753_out4_controls), | |
471 | SND_SOC_DAPM_PGA("Out 4", WM8753_PWR3, 3, 0, NULL, 0), | |
472 | SND_SOC_DAPM_OUTPUT("OUT4"), | |
473 | SND_SOC_DAPM_MIXER("Playback Mixer", WM8753_PWR4, 3, 0, | |
474 | &wm8753_record_mixer_controls[0], | |
475 | ARRAY_SIZE(wm8753_record_mixer_controls)), | |
476 | SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8753_PWR2, 3, 0), | |
477 | SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8753_PWR2, 2, 0), | |
478 | SND_SOC_DAPM_MUX("Capture Left Mixer", SND_SOC_NOPM, 0, 0, | |
479 | &wm8753_adc_mono_controls), | |
480 | SND_SOC_DAPM_MUX("Capture Right Mixer", SND_SOC_NOPM, 0, 0, | |
481 | &wm8753_adc_mono_controls), | |
482 | SND_SOC_DAPM_MUX("Capture Left Mux", SND_SOC_NOPM, 0, 0, | |
483 | &wm8753_adc_left_controls), | |
484 | SND_SOC_DAPM_MUX("Capture Right Mux", SND_SOC_NOPM, 0, 0, | |
485 | &wm8753_adc_right_controls), | |
486 | SND_SOC_DAPM_MUX("Mic Sidetone Mux", SND_SOC_NOPM, 0, 0, | |
487 | &wm8753_mic_mux_controls), | |
488 | SND_SOC_DAPM_PGA("Left Capture Volume", WM8753_PWR2, 5, 0, NULL, 0), | |
489 | SND_SOC_DAPM_PGA("Right Capture Volume", WM8753_PWR2, 4, 0, NULL, 0), | |
490 | SND_SOC_DAPM_MIXER("ALC Mixer", WM8753_PWR2, 6, 0, | |
491 | &wm8753_alc_mixer_controls[0], ARRAY_SIZE(wm8753_alc_mixer_controls)), | |
492 | SND_SOC_DAPM_MUX("Line Left Mux", SND_SOC_NOPM, 0, 0, | |
493 | &wm8753_line_left_controls), | |
494 | SND_SOC_DAPM_MUX("Line Right Mux", SND_SOC_NOPM, 0, 0, | |
495 | &wm8753_line_right_controls), | |
496 | SND_SOC_DAPM_MUX("Line Mono Mux", SND_SOC_NOPM, 0, 0, | |
497 | &wm8753_line_mono_controls), | |
498 | SND_SOC_DAPM_MUX("Line Mixer", WM8753_PWR2, 0, 0, | |
499 | &wm8753_line_mux_mix_controls), | |
500 | SND_SOC_DAPM_MUX("Rx Mixer", WM8753_PWR2, 1, 0, | |
501 | &wm8753_rx_mux_mix_controls), | |
502 | SND_SOC_DAPM_PGA("Mic 1 Volume", WM8753_PWR2, 8, 0, NULL, 0), | |
503 | SND_SOC_DAPM_PGA("Mic 2 Volume", WM8753_PWR2, 7, 0, NULL, 0), | |
504 | SND_SOC_DAPM_MUX("Mic Selection Mux", SND_SOC_NOPM, 0, 0, | |
505 | &wm8753_mic_sel_mux_controls), | |
506 | SND_SOC_DAPM_INPUT("LINE1"), | |
507 | SND_SOC_DAPM_INPUT("LINE2"), | |
508 | SND_SOC_DAPM_INPUT("RXP"), | |
509 | SND_SOC_DAPM_INPUT("RXN"), | |
510 | SND_SOC_DAPM_INPUT("ACIN"), | |
511 | SND_SOC_DAPM_OUTPUT("ACOP"), | |
512 | SND_SOC_DAPM_INPUT("MIC1N"), | |
513 | SND_SOC_DAPM_INPUT("MIC1"), | |
514 | SND_SOC_DAPM_INPUT("MIC2N"), | |
515 | SND_SOC_DAPM_INPUT("MIC2"), | |
516 | SND_SOC_DAPM_VMID("VREF"), | |
517 | }; | |
518 | ||
519 | static const char *audio_map[][3] = { | |
520 | /* left mixer */ | |
521 | {"Left Mixer", "Left Playback Switch", "Left DAC"}, | |
522 | {"Left Mixer", "Voice Playback Switch", "Voice DAC"}, | |
523 | {"Left Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"}, | |
524 | {"Left Mixer", "Bypass Playback Switch", "Line Left Mux"}, | |
525 | ||
526 | /* right mixer */ | |
527 | {"Right Mixer", "Right Playback Switch", "Right DAC"}, | |
528 | {"Right Mixer", "Voice Playback Switch", "Voice DAC"}, | |
529 | {"Right Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"}, | |
530 | {"Right Mixer", "Bypass Playback Switch", "Line Right Mux"}, | |
531 | ||
532 | /* mono mixer */ | |
533 | {"Mono Mixer", "Voice Playback Switch", "Voice DAC"}, | |
534 | {"Mono Mixer", "Left Playback Switch", "Left DAC"}, | |
535 | {"Mono Mixer", "Right Playback Switch", "Right DAC"}, | |
536 | {"Mono Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"}, | |
537 | {"Mono Mixer", "Bypass Playback Switch", "Line Mono Mux"}, | |
538 | ||
539 | /* left out */ | |
540 | {"Left Out 1", NULL, "Left Mixer"}, | |
541 | {"Left Out 2", NULL, "Left Mixer"}, | |
542 | {"LOUT1", NULL, "Left Out 1"}, | |
543 | {"LOUT2", NULL, "Left Out 2"}, | |
544 | ||
545 | /* right out */ | |
546 | {"Right Out 1", NULL, "Right Mixer"}, | |
547 | {"Right Out 2", NULL, "Right Mixer"}, | |
548 | {"ROUT1", NULL, "Right Out 1"}, | |
549 | {"ROUT2", NULL, "Right Out 2"}, | |
550 | ||
551 | /* mono 1 out */ | |
552 | {"Mono Out 1", NULL, "Mono Mixer"}, | |
553 | {"MONO1", NULL, "Mono Out 1"}, | |
554 | ||
555 | /* mono 2 out */ | |
556 | {"Mono 2 Mux", "Left + Right", "Out3 Left + Right"}, | |
557 | {"Mono 2 Mux", "Inverted Mono 1", "MONO1"}, | |
558 | {"Mono 2 Mux", "Left", "Left Mixer"}, | |
559 | {"Mono 2 Mux", "Right", "Right Mixer"}, | |
560 | {"Mono Out 2", NULL, "Mono 2 Mux"}, | |
561 | {"MONO2", NULL, "Mono Out 2"}, | |
562 | ||
563 | /* out 3 */ | |
564 | {"Out3 Left + Right", NULL, "Left Mixer"}, | |
565 | {"Out3 Left + Right", NULL, "Right Mixer"}, | |
566 | {"Out3 Mux", "VREF", "VREF"}, | |
567 | {"Out3 Mux", "Left + Right", "Out3 Left + Right"}, | |
568 | {"Out3 Mux", "ROUT2", "ROUT2"}, | |
569 | {"Out 3", NULL, "Out3 Mux"}, | |
570 | {"OUT3", NULL, "Out 3"}, | |
571 | ||
572 | /* out 4 */ | |
573 | {"Out4 Mux", "VREF", "VREF"}, | |
574 | {"Out4 Mux", "Capture ST", "Capture ST Mixer"}, | |
575 | {"Out4 Mux", "LOUT2", "LOUT2"}, | |
576 | {"Out 4", NULL, "Out4 Mux"}, | |
577 | {"OUT4", NULL, "Out 4"}, | |
578 | ||
579 | /* record mixer */ | |
580 | {"Playback Mixer", "Left Capture Switch", "Left Mixer"}, | |
581 | {"Playback Mixer", "Voice Capture Switch", "Mono Mixer"}, | |
582 | {"Playback Mixer", "Right Capture Switch", "Right Mixer"}, | |
583 | ||
584 | /* Mic/SideTone Mux */ | |
585 | {"Mic Sidetone Mux", "Left PGA", "Left Capture Volume"}, | |
586 | {"Mic Sidetone Mux", "Right PGA", "Right Capture Volume"}, | |
587 | {"Mic Sidetone Mux", "Mic 1", "Mic 1 Volume"}, | |
588 | {"Mic Sidetone Mux", "Mic 2", "Mic 2 Volume"}, | |
589 | ||
590 | /* Capture Left Mux */ | |
591 | {"Capture Left Mux", "PGA", "Left Capture Volume"}, | |
592 | {"Capture Left Mux", "Line or RXP-RXN", "Line Left Mux"}, | |
593 | {"Capture Left Mux", "Line", "LINE1"}, | |
594 | ||
595 | /* Capture Right Mux */ | |
596 | {"Capture Right Mux", "PGA", "Right Capture Volume"}, | |
597 | {"Capture Right Mux", "Line or RXP-RXN", "Line Right Mux"}, | |
598 | {"Capture Right Mux", "Sidetone", "Capture ST Mixer"}, | |
599 | ||
600 | /* Mono Capture mixer-mux */ | |
601 | {"Capture Right Mixer", "Stereo", "Capture Right Mux"}, | |
602 | {"Capture Left Mixer", "Analogue Mix Left", "Capture Left Mux"}, | |
603 | {"Capture Left Mixer", "Analogue Mix Left", "Capture Right Mux"}, | |
604 | {"Capture Right Mixer", "Analogue Mix Right", "Capture Left Mux"}, | |
605 | {"Capture Right Mixer", "Analogue Mix Right", "Capture Right Mux"}, | |
606 | {"Capture Left Mixer", "Digital Mono Mix", "Capture Left Mux"}, | |
607 | {"Capture Left Mixer", "Digital Mono Mix", "Capture Right Mux"}, | |
608 | {"Capture Right Mixer", "Digital Mono Mix", "Capture Left Mux"}, | |
609 | {"Capture Right Mixer", "Digital Mono Mix", "Capture Right Mux"}, | |
610 | ||
611 | /* ADC */ | |
612 | {"Left ADC", NULL, "Capture Left Mixer"}, | |
613 | {"Right ADC", NULL, "Capture Right Mixer"}, | |
614 | ||
615 | /* Left Capture Volume */ | |
616 | {"Left Capture Volume", NULL, "ACIN"}, | |
617 | ||
618 | /* Right Capture Volume */ | |
619 | {"Right Capture Volume", NULL, "Mic 2 Volume"}, | |
620 | ||
621 | /* ALC Mixer */ | |
622 | {"ALC Mixer", "Line Capture Switch", "Line Mixer"}, | |
623 | {"ALC Mixer", "Mic2 Capture Switch", "Mic 2 Volume"}, | |
624 | {"ALC Mixer", "Mic1 Capture Switch", "Mic 1 Volume"}, | |
625 | {"ALC Mixer", "Rx Capture Switch", "Rx Mixer"}, | |
626 | ||
627 | /* Line Left Mux */ | |
628 | {"Line Left Mux", "Line 1", "LINE1"}, | |
629 | {"Line Left Mux", "Rx Mix", "Rx Mixer"}, | |
630 | ||
631 | /* Line Right Mux */ | |
632 | {"Line Right Mux", "Line 2", "LINE2"}, | |
633 | {"Line Right Mux", "Rx Mix", "Rx Mixer"}, | |
634 | ||
635 | /* Line Mono Mux */ | |
636 | {"Line Mono Mux", "Line Mix", "Line Mixer"}, | |
637 | {"Line Mono Mux", "Rx Mix", "Rx Mixer"}, | |
638 | ||
639 | /* Line Mixer/Mux */ | |
640 | {"Line Mixer", "Line 1 + 2", "LINE1"}, | |
641 | {"Line Mixer", "Line 1 - 2", "LINE1"}, | |
642 | {"Line Mixer", "Line 1 + 2", "LINE2"}, | |
643 | {"Line Mixer", "Line 1 - 2", "LINE2"}, | |
644 | {"Line Mixer", "Line 1", "LINE1"}, | |
645 | {"Line Mixer", "Line 2", "LINE2"}, | |
646 | ||
647 | /* Rx Mixer/Mux */ | |
648 | {"Rx Mixer", "RXP - RXN", "RXP"}, | |
649 | {"Rx Mixer", "RXP + RXN", "RXP"}, | |
650 | {"Rx Mixer", "RXP - RXN", "RXN"}, | |
651 | {"Rx Mixer", "RXP + RXN", "RXN"}, | |
652 | {"Rx Mixer", "RXP", "RXP"}, | |
653 | {"Rx Mixer", "RXN", "RXN"}, | |
654 | ||
655 | /* Mic 1 Volume */ | |
656 | {"Mic 1 Volume", NULL, "MIC1N"}, | |
657 | {"Mic 1 Volume", NULL, "Mic Selection Mux"}, | |
658 | ||
659 | /* Mic 2 Volume */ | |
660 | {"Mic 2 Volume", NULL, "MIC2N"}, | |
661 | {"Mic 2 Volume", NULL, "MIC2"}, | |
662 | ||
663 | /* Mic Selector Mux */ | |
664 | {"Mic Selection Mux", "Mic 1", "MIC1"}, | |
665 | {"Mic Selection Mux", "Mic 2", "MIC2N"}, | |
666 | {"Mic Selection Mux", "Mic 3", "MIC2"}, | |
667 | ||
668 | /* ACOP */ | |
669 | {"ACOP", NULL, "ALC Mixer"}, | |
670 | ||
671 | /* terminator */ | |
672 | {NULL, NULL, NULL}, | |
673 | }; | |
674 | ||
675 | static int wm8753_add_widgets(struct snd_soc_codec *codec) | |
676 | { | |
677 | int i; | |
678 | ||
679 | for (i = 0; i < ARRAY_SIZE(wm8753_dapm_widgets); i++) | |
680 | snd_soc_dapm_new_control(codec, &wm8753_dapm_widgets[i]); | |
681 | ||
682 | /* set up the WM8753 audio map */ | |
683 | for (i = 0; audio_map[i][0] != NULL; i++) { | |
684 | snd_soc_dapm_connect_input(codec, audio_map[i][0], | |
685 | audio_map[i][1], audio_map[i][2]); | |
686 | } | |
687 | ||
688 | snd_soc_dapm_new_widgets(codec); | |
689 | return 0; | |
690 | } | |
691 | ||
692 | /* PLL divisors */ | |
693 | struct _pll_div { | |
694 | u32 div2:1; | |
695 | u32 n:4; | |
696 | u32 k:24; | |
697 | }; | |
698 | ||
699 | /* The size in bits of the pll divide multiplied by 10 | |
700 | * to allow rounding later */ | |
701 | #define FIXED_PLL_SIZE ((1 << 22) * 10) | |
702 | ||
703 | static void pll_factors(struct _pll_div *pll_div, unsigned int target, | |
704 | unsigned int source) | |
705 | { | |
706 | u64 Kpart; | |
707 | unsigned int K, Ndiv, Nmod; | |
708 | ||
709 | Ndiv = target / source; | |
710 | if (Ndiv < 6) { | |
711 | source >>= 1; | |
712 | pll_div->div2 = 1; | |
713 | Ndiv = target / source; | |
714 | } else | |
715 | pll_div->div2 = 0; | |
716 | ||
717 | if ((Ndiv < 6) || (Ndiv > 12)) | |
718 | printk(KERN_WARNING | |
719 | "WM8753 N value outwith recommended range! N = %d\n",Ndiv); | |
720 | ||
721 | pll_div->n = Ndiv; | |
722 | Nmod = target % source; | |
723 | Kpart = FIXED_PLL_SIZE * (long long)Nmod; | |
724 | ||
725 | do_div(Kpart, source); | |
726 | ||
727 | K = Kpart & 0xFFFFFFFF; | |
728 | ||
729 | /* Check if we need to round */ | |
730 | if ((K % 10) >= 5) | |
731 | K += 5; | |
732 | ||
733 | /* Move down to proper range now rounding is done */ | |
734 | K /= 10; | |
735 | ||
736 | pll_div->k = K; | |
737 | } | |
738 | ||
739 | static int wm8753_set_dai_pll(struct snd_soc_codec_dai *codec_dai, | |
740 | int pll_id, unsigned int freq_in, unsigned int freq_out) | |
741 | { | |
742 | u16 reg, enable; | |
743 | int offset; | |
744 | struct snd_soc_codec *codec = codec_dai->codec; | |
745 | ||
746 | if (pll_id < WM8753_PLL1 || pll_id > WM8753_PLL2) | |
747 | return -ENODEV; | |
748 | ||
749 | if (pll_id == WM8753_PLL1) { | |
750 | offset = 0; | |
751 | enable = 0x10; | |
752 | reg = wm8753_read_reg_cache(codec, WM8753_CLOCK) & 0xffef; | |
753 | } else { | |
754 | offset = 4; | |
755 | enable = 0x8; | |
756 | reg = wm8753_read_reg_cache(codec, WM8753_CLOCK) & 0xfff7; | |
757 | } | |
758 | ||
759 | if (!freq_in || !freq_out) { | |
760 | /* disable PLL */ | |
761 | wm8753_write(codec, WM8753_PLL1CTL1 + offset, 0x0026); | |
762 | wm8753_write(codec, WM8753_CLOCK, reg); | |
763 | return 0; | |
764 | } else { | |
765 | u16 value = 0; | |
766 | struct _pll_div pll_div; | |
767 | ||
768 | pll_factors(&pll_div, freq_out * 8, freq_in); | |
769 | ||
770 | /* set up N and K PLL divisor ratios */ | |
771 | /* bits 8:5 = PLL_N, bits 3:0 = PLL_K[21:18] */ | |
772 | value = (pll_div.n << 5) + ((pll_div.k & 0x3c0000) >> 18); | |
773 | wm8753_write(codec, WM8753_PLL1CTL2 + offset, value); | |
774 | ||
775 | /* bits 8:0 = PLL_K[17:9] */ | |
776 | value = (pll_div.k & 0x03fe00) >> 9; | |
777 | wm8753_write(codec, WM8753_PLL1CTL3 + offset, value); | |
778 | ||
779 | /* bits 8:0 = PLL_K[8:0] */ | |
780 | value = pll_div.k & 0x0001ff; | |
781 | wm8753_write(codec, WM8753_PLL1CTL4 + offset, value); | |
782 | ||
783 | /* set PLL as input and enable */ | |
784 | wm8753_write(codec, WM8753_PLL1CTL1 + offset, 0x0027 | | |
785 | (pll_div.div2 << 3)); | |
786 | wm8753_write(codec, WM8753_CLOCK, reg | enable); | |
787 | } | |
788 | return 0; | |
789 | } | |
790 | ||
791 | struct _coeff_div { | |
792 | u32 mclk; | |
793 | u32 rate; | |
794 | u8 sr:5; | |
795 | u8 usb:1; | |
796 | }; | |
797 | ||
798 | /* codec hifi mclk (after PLL) clock divider coefficients */ | |
799 | static const struct _coeff_div coeff_div[] = { | |
800 | /* 8k */ | |
801 | {12288000, 8000, 0x6, 0x0}, | |
802 | {11289600, 8000, 0x16, 0x0}, | |
803 | {18432000, 8000, 0x7, 0x0}, | |
804 | {16934400, 8000, 0x17, 0x0}, | |
805 | {12000000, 8000, 0x6, 0x1}, | |
806 | ||
807 | /* 11.025k */ | |
808 | {11289600, 11025, 0x18, 0x0}, | |
809 | {16934400, 11025, 0x19, 0x0}, | |
810 | {12000000, 11025, 0x19, 0x1}, | |
811 | ||
812 | /* 16k */ | |
813 | {12288000, 16000, 0xa, 0x0}, | |
814 | {18432000, 16000, 0xb, 0x0}, | |
815 | {12000000, 16000, 0xa, 0x1}, | |
816 | ||
817 | /* 22.05k */ | |
818 | {11289600, 22050, 0x1a, 0x0}, | |
819 | {16934400, 22050, 0x1b, 0x0}, | |
820 | {12000000, 22050, 0x1b, 0x1}, | |
821 | ||
822 | /* 32k */ | |
823 | {12288000, 32000, 0xc, 0x0}, | |
824 | {18432000, 32000, 0xd, 0x0}, | |
825 | {12000000, 32000, 0xa, 0x1}, | |
826 | ||
827 | /* 44.1k */ | |
828 | {11289600, 44100, 0x10, 0x0}, | |
829 | {16934400, 44100, 0x11, 0x0}, | |
830 | {12000000, 44100, 0x11, 0x1}, | |
831 | ||
832 | /* 48k */ | |
833 | {12288000, 48000, 0x0, 0x0}, | |
834 | {18432000, 48000, 0x1, 0x0}, | |
835 | {12000000, 48000, 0x0, 0x1}, | |
836 | ||
837 | /* 88.2k */ | |
838 | {11289600, 88200, 0x1e, 0x0}, | |
839 | {16934400, 88200, 0x1f, 0x0}, | |
840 | {12000000, 88200, 0x1f, 0x1}, | |
841 | ||
842 | /* 96k */ | |
843 | {12288000, 96000, 0xe, 0x0}, | |
844 | {18432000, 96000, 0xf, 0x0}, | |
845 | {12000000, 96000, 0xe, 0x1}, | |
846 | }; | |
847 | ||
848 | static int get_coeff(int mclk, int rate) | |
849 | { | |
850 | int i; | |
851 | ||
852 | for (i = 0; i < ARRAY_SIZE(coeff_div); i++) { | |
853 | if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk) | |
854 | return i; | |
855 | } | |
856 | return -EINVAL; | |
857 | } | |
858 | ||
859 | /* | |
860 | * Clock after PLL and dividers | |
861 | */ | |
862 | static int wm8753_set_dai_sysclk(struct snd_soc_codec_dai *codec_dai, | |
863 | int clk_id, unsigned int freq, int dir) | |
864 | { | |
865 | struct snd_soc_codec *codec = codec_dai->codec; | |
866 | struct wm8753_priv *wm8753 = codec->private_data; | |
867 | ||
868 | switch (freq) { | |
869 | case 11289600: | |
870 | case 12000000: | |
871 | case 12288000: | |
872 | case 16934400: | |
873 | case 18432000: | |
874 | if (clk_id == WM8753_MCLK) { | |
875 | wm8753->sysclk = freq; | |
876 | return 0; | |
877 | } else if (clk_id == WM8753_PCMCLK) { | |
878 | wm8753->pcmclk = freq; | |
879 | return 0; | |
880 | } | |
881 | break; | |
882 | } | |
883 | return -EINVAL; | |
884 | } | |
885 | ||
886 | /* | |
887 | * Set's ADC and Voice DAC format. | |
888 | */ | |
889 | static int wm8753_vdac_adc_set_dai_fmt(struct snd_soc_codec_dai *codec_dai, | |
890 | unsigned int fmt) | |
891 | { | |
892 | struct snd_soc_codec *codec = codec_dai->codec; | |
893 | u16 voice = wm8753_read_reg_cache(codec, WM8753_PCM) & 0x01ec; | |
894 | ||
895 | /* interface format */ | |
896 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
897 | case SND_SOC_DAIFMT_I2S: | |
898 | voice |= 0x0002; | |
899 | break; | |
900 | case SND_SOC_DAIFMT_RIGHT_J: | |
901 | break; | |
902 | case SND_SOC_DAIFMT_LEFT_J: | |
903 | voice |= 0x0001; | |
904 | break; | |
905 | case SND_SOC_DAIFMT_DSP_A: | |
906 | voice |= 0x0003; | |
907 | break; | |
908 | case SND_SOC_DAIFMT_DSP_B: | |
909 | voice |= 0x0013; | |
910 | break; | |
911 | default: | |
912 | return -EINVAL; | |
913 | } | |
914 | ||
915 | wm8753_write(codec, WM8753_PCM, voice); | |
916 | return 0; | |
917 | } | |
918 | ||
919 | /* | |
920 | * Set PCM DAI bit size and sample rate. | |
921 | */ | |
922 | static int wm8753_pcm_hw_params(struct snd_pcm_substream *substream, | |
923 | struct snd_pcm_hw_params *params) | |
924 | { | |
925 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
926 | struct snd_soc_device *socdev = rtd->socdev; | |
927 | struct snd_soc_codec *codec = socdev->codec; | |
928 | struct wm8753_priv *wm8753 = codec->private_data; | |
929 | u16 voice = wm8753_read_reg_cache(codec, WM8753_PCM) & 0x01f3; | |
930 | u16 srate = wm8753_read_reg_cache(codec, WM8753_SRATE1) & 0x017f; | |
931 | ||
932 | /* bit size */ | |
933 | switch (params_format(params)) { | |
934 | case SNDRV_PCM_FORMAT_S16_LE: | |
935 | break; | |
936 | case SNDRV_PCM_FORMAT_S20_3LE: | |
937 | voice |= 0x0004; | |
938 | break; | |
939 | case SNDRV_PCM_FORMAT_S24_LE: | |
940 | voice |= 0x0008; | |
941 | break; | |
942 | case SNDRV_PCM_FORMAT_S32_LE: | |
943 | voice |= 0x000c; | |
944 | break; | |
945 | } | |
946 | ||
947 | /* sample rate */ | |
948 | if (params_rate(params) * 384 == wm8753->pcmclk) | |
949 | srate |= 0x80; | |
950 | wm8753_write(codec, WM8753_SRATE1, srate); | |
951 | ||
952 | wm8753_write(codec, WM8753_PCM, voice); | |
953 | return 0; | |
954 | } | |
955 | ||
956 | /* | |
957 | * Set's PCM dai fmt and BCLK. | |
958 | */ | |
959 | static int wm8753_pcm_set_dai_fmt(struct snd_soc_codec_dai *codec_dai, | |
960 | unsigned int fmt) | |
961 | { | |
962 | struct snd_soc_codec *codec = codec_dai->codec; | |
963 | u16 voice, ioctl; | |
964 | ||
965 | voice = wm8753_read_reg_cache(codec, WM8753_PCM) & 0x011f; | |
966 | ioctl = wm8753_read_reg_cache(codec, WM8753_IOCTL) & 0x015d; | |
967 | ||
968 | /* set master/slave audio interface */ | |
969 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
970 | case SND_SOC_DAIFMT_CBS_CFS: | |
971 | break; | |
972 | case SND_SOC_DAIFMT_CBM_CFM: | |
973 | ioctl |= 0x2; | |
974 | case SND_SOC_DAIFMT_CBM_CFS: | |
975 | voice |= 0x0040; | |
976 | break; | |
977 | default: | |
978 | return -EINVAL; | |
979 | } | |
980 | ||
981 | /* clock inversion */ | |
982 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
983 | case SND_SOC_DAIFMT_DSP_A: | |
984 | case SND_SOC_DAIFMT_DSP_B: | |
985 | /* frame inversion not valid for DSP modes */ | |
986 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
987 | case SND_SOC_DAIFMT_NB_NF: | |
988 | break; | |
989 | case SND_SOC_DAIFMT_IB_NF: | |
990 | voice |= 0x0080; | |
991 | break; | |
992 | default: | |
993 | return -EINVAL; | |
994 | } | |
995 | break; | |
996 | case SND_SOC_DAIFMT_I2S: | |
997 | case SND_SOC_DAIFMT_RIGHT_J: | |
998 | case SND_SOC_DAIFMT_LEFT_J: | |
999 | voice &= ~0x0010; | |
1000 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
1001 | case SND_SOC_DAIFMT_NB_NF: | |
1002 | break; | |
1003 | case SND_SOC_DAIFMT_IB_IF: | |
1004 | voice |= 0x0090; | |
1005 | break; | |
1006 | case SND_SOC_DAIFMT_IB_NF: | |
1007 | voice |= 0x0080; | |
1008 | break; | |
1009 | case SND_SOC_DAIFMT_NB_IF: | |
1010 | voice |= 0x0010; | |
1011 | break; | |
1012 | default: | |
1013 | return -EINVAL; | |
1014 | } | |
1015 | break; | |
1016 | default: | |
1017 | return -EINVAL; | |
1018 | } | |
1019 | ||
1020 | wm8753_write(codec, WM8753_PCM, voice); | |
1021 | wm8753_write(codec, WM8753_IOCTL, ioctl); | |
1022 | return 0; | |
1023 | } | |
1024 | ||
1025 | static int wm8753_set_dai_clkdiv(struct snd_soc_codec_dai *codec_dai, | |
1026 | int div_id, int div) | |
1027 | { | |
1028 | struct snd_soc_codec *codec = codec_dai->codec; | |
1029 | u16 reg; | |
1030 | ||
1031 | switch (div_id) { | |
1032 | case WM8753_PCMDIV: | |
1033 | reg = wm8753_read_reg_cache(codec, WM8753_CLOCK) & 0x003f; | |
1034 | wm8753_write(codec, WM8753_CLOCK, reg | div); | |
1035 | break; | |
1036 | case WM8753_BCLKDIV: | |
1037 | reg = wm8753_read_reg_cache(codec, WM8753_SRATE2) & 0x01c7; | |
1038 | wm8753_write(codec, WM8753_SRATE2, reg | div); | |
1039 | break; | |
1040 | case WM8753_VXCLKDIV: | |
1041 | reg = wm8753_read_reg_cache(codec, WM8753_SRATE2) & 0x003f; | |
1042 | wm8753_write(codec, WM8753_SRATE2, reg | div); | |
1043 | break; | |
1044 | default: | |
1045 | return -EINVAL; | |
1046 | } | |
1047 | return 0; | |
1048 | } | |
1049 | ||
1050 | /* | |
1051 | * Set's HiFi DAC format. | |
1052 | */ | |
1053 | static int wm8753_hdac_set_dai_fmt(struct snd_soc_codec_dai *codec_dai, | |
1054 | unsigned int fmt) | |
1055 | { | |
1056 | struct snd_soc_codec *codec = codec_dai->codec; | |
1057 | u16 hifi = wm8753_read_reg_cache(codec, WM8753_HIFI) & 0x01e0; | |
1058 | ||
1059 | /* interface format */ | |
1060 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
1061 | case SND_SOC_DAIFMT_I2S: | |
1062 | hifi |= 0x0002; | |
1063 | break; | |
1064 | case SND_SOC_DAIFMT_RIGHT_J: | |
1065 | break; | |
1066 | case SND_SOC_DAIFMT_LEFT_J: | |
1067 | hifi |= 0x0001; | |
1068 | break; | |
1069 | case SND_SOC_DAIFMT_DSP_A: | |
1070 | hifi |= 0x0003; | |
1071 | break; | |
1072 | case SND_SOC_DAIFMT_DSP_B: | |
1073 | hifi |= 0x0013; | |
1074 | break; | |
1075 | default: | |
1076 | return -EINVAL; | |
1077 | } | |
1078 | ||
1079 | wm8753_write(codec, WM8753_HIFI, hifi); | |
1080 | return 0; | |
1081 | } | |
1082 | ||
1083 | /* | |
1084 | * Set's I2S DAI format. | |
1085 | */ | |
1086 | static int wm8753_i2s_set_dai_fmt(struct snd_soc_codec_dai *codec_dai, | |
1087 | unsigned int fmt) | |
1088 | { | |
1089 | struct snd_soc_codec *codec = codec_dai->codec; | |
1090 | u16 ioctl, hifi; | |
1091 | ||
1092 | hifi = wm8753_read_reg_cache(codec, WM8753_HIFI) & 0x011f; | |
1093 | ioctl = wm8753_read_reg_cache(codec, WM8753_IOCTL) & 0x00ae; | |
1094 | ||
1095 | /* set master/slave audio interface */ | |
1096 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
1097 | case SND_SOC_DAIFMT_CBS_CFS: | |
1098 | break; | |
1099 | case SND_SOC_DAIFMT_CBM_CFM: | |
1100 | ioctl |= 0x1; | |
1101 | case SND_SOC_DAIFMT_CBM_CFS: | |
1102 | hifi |= 0x0040; | |
1103 | break; | |
1104 | default: | |
1105 | return -EINVAL; | |
1106 | } | |
1107 | ||
1108 | /* clock inversion */ | |
1109 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
1110 | case SND_SOC_DAIFMT_DSP_A: | |
1111 | case SND_SOC_DAIFMT_DSP_B: | |
1112 | /* frame inversion not valid for DSP modes */ | |
1113 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
1114 | case SND_SOC_DAIFMT_NB_NF: | |
1115 | break; | |
1116 | case SND_SOC_DAIFMT_IB_NF: | |
1117 | hifi |= 0x0080; | |
1118 | break; | |
1119 | default: | |
1120 | return -EINVAL; | |
1121 | } | |
1122 | break; | |
1123 | case SND_SOC_DAIFMT_I2S: | |
1124 | case SND_SOC_DAIFMT_RIGHT_J: | |
1125 | case SND_SOC_DAIFMT_LEFT_J: | |
1126 | hifi &= ~0x0010; | |
1127 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
1128 | case SND_SOC_DAIFMT_NB_NF: | |
1129 | break; | |
1130 | case SND_SOC_DAIFMT_IB_IF: | |
1131 | hifi |= 0x0090; | |
1132 | break; | |
1133 | case SND_SOC_DAIFMT_IB_NF: | |
1134 | hifi |= 0x0080; | |
1135 | break; | |
1136 | case SND_SOC_DAIFMT_NB_IF: | |
1137 | hifi |= 0x0010; | |
1138 | break; | |
1139 | default: | |
1140 | return -EINVAL; | |
1141 | } | |
1142 | break; | |
1143 | default: | |
1144 | return -EINVAL; | |
1145 | } | |
1146 | ||
1147 | wm8753_write(codec, WM8753_HIFI, hifi); | |
1148 | wm8753_write(codec, WM8753_IOCTL, ioctl); | |
1149 | return 0; | |
1150 | } | |
1151 | ||
1152 | /* | |
1153 | * Set PCM DAI bit size and sample rate. | |
1154 | */ | |
1155 | static int wm8753_i2s_hw_params(struct snd_pcm_substream *substream, | |
1156 | struct snd_pcm_hw_params *params) | |
1157 | { | |
1158 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
1159 | struct snd_soc_device *socdev = rtd->socdev; | |
1160 | struct snd_soc_codec *codec = socdev->codec; | |
1161 | struct wm8753_priv *wm8753 = codec->private_data; | |
1162 | u16 srate = wm8753_read_reg_cache(codec, WM8753_SRATE1) & 0x01c0; | |
1163 | u16 hifi = wm8753_read_reg_cache(codec, WM8753_HIFI) & 0x01f3; | |
1164 | int coeff; | |
1165 | ||
1166 | /* is digital filter coefficient valid ? */ | |
1167 | coeff = get_coeff(wm8753->sysclk, params_rate(params)); | |
1168 | if (coeff < 0) { | |
1169 | printk(KERN_ERR "wm8753 invalid MCLK or rate\n"); | |
1170 | return coeff; | |
1171 | } | |
1172 | wm8753_write(codec, WM8753_SRATE1, srate | (coeff_div[coeff].sr << 1) | | |
1173 | coeff_div[coeff].usb); | |
1174 | ||
1175 | /* bit size */ | |
1176 | switch (params_format(params)) { | |
1177 | case SNDRV_PCM_FORMAT_S16_LE: | |
1178 | break; | |
1179 | case SNDRV_PCM_FORMAT_S20_3LE: | |
1180 | hifi |= 0x0004; | |
1181 | break; | |
1182 | case SNDRV_PCM_FORMAT_S24_LE: | |
1183 | hifi |= 0x0008; | |
1184 | break; | |
1185 | case SNDRV_PCM_FORMAT_S32_LE: | |
1186 | hifi |= 0x000c; | |
1187 | break; | |
1188 | } | |
1189 | ||
1190 | wm8753_write(codec, WM8753_HIFI, hifi); | |
1191 | return 0; | |
1192 | } | |
1193 | ||
1194 | static int wm8753_mode1v_set_dai_fmt(struct snd_soc_codec_dai *codec_dai, | |
1195 | unsigned int fmt) | |
1196 | { | |
1197 | struct snd_soc_codec *codec = codec_dai->codec; | |
1198 | u16 clock; | |
1199 | ||
1200 | /* set clk source as pcmclk */ | |
1201 | clock = wm8753_read_reg_cache(codec, WM8753_CLOCK) & 0xfffb; | |
1202 | wm8753_write(codec, WM8753_CLOCK, clock); | |
1203 | ||
1204 | if (wm8753_vdac_adc_set_dai_fmt(codec_dai, fmt) < 0) | |
1205 | return -EINVAL; | |
1206 | return wm8753_pcm_set_dai_fmt(codec_dai, fmt); | |
1207 | } | |
1208 | ||
1209 | static int wm8753_mode1h_set_dai_fmt(struct snd_soc_codec_dai *codec_dai, | |
1210 | unsigned int fmt) | |
1211 | { | |
1212 | if (wm8753_hdac_set_dai_fmt(codec_dai, fmt) < 0) | |
1213 | return -EINVAL; | |
1214 | return wm8753_i2s_set_dai_fmt(codec_dai, fmt); | |
1215 | } | |
1216 | ||
1217 | static int wm8753_mode2_set_dai_fmt(struct snd_soc_codec_dai *codec_dai, | |
1218 | unsigned int fmt) | |
1219 | { | |
1220 | struct snd_soc_codec *codec = codec_dai->codec; | |
1221 | u16 clock; | |
1222 | ||
1223 | /* set clk source as pcmclk */ | |
1224 | clock = wm8753_read_reg_cache(codec, WM8753_CLOCK) & 0xfffb; | |
1225 | wm8753_write(codec, WM8753_CLOCK, clock); | |
1226 | ||
1227 | if (wm8753_vdac_adc_set_dai_fmt(codec_dai, fmt) < 0) | |
1228 | return -EINVAL; | |
1229 | return wm8753_i2s_set_dai_fmt(codec_dai, fmt); | |
1230 | } | |
1231 | ||
1232 | static int wm8753_mode3_4_set_dai_fmt(struct snd_soc_codec_dai *codec_dai, | |
1233 | unsigned int fmt) | |
1234 | { | |
1235 | struct snd_soc_codec *codec = codec_dai->codec; | |
1236 | u16 clock; | |
1237 | ||
1238 | /* set clk source as mclk */ | |
1239 | clock = wm8753_read_reg_cache(codec, WM8753_CLOCK) & 0xfffb; | |
1240 | wm8753_write(codec, WM8753_CLOCK, clock | 0x4); | |
1241 | ||
1242 | if (wm8753_hdac_set_dai_fmt(codec_dai, fmt) < 0) | |
1243 | return -EINVAL; | |
1244 | if (wm8753_vdac_adc_set_dai_fmt(codec_dai, fmt) < 0) | |
1245 | return -EINVAL; | |
1246 | return wm8753_i2s_set_dai_fmt(codec_dai, fmt); | |
1247 | } | |
1248 | ||
1249 | static int wm8753_mute(struct snd_soc_codec_dai *dai, int mute) | |
1250 | { | |
1251 | struct snd_soc_codec *codec = dai->codec; | |
1252 | u16 mute_reg = wm8753_read_reg_cache(codec, WM8753_DAC) & 0xfff7; | |
1253 | ||
1254 | /* the digital mute covers the HiFi and Voice DAC's on the WM8753. | |
1255 | * make sure we check if they are not both active when we mute */ | |
1256 | if (mute && dai->id == 1) { | |
1257 | if (!wm8753_dai[WM8753_DAI_VOICE].playback.active || | |
1258 | !wm8753_dai[WM8753_DAI_HIFI].playback.active) | |
1259 | wm8753_write(codec, WM8753_DAC, mute_reg | 0x8); | |
1260 | } else { | |
1261 | if (mute) | |
1262 | wm8753_write(codec, WM8753_DAC, mute_reg | 0x8); | |
1263 | else | |
1264 | wm8753_write(codec, WM8753_DAC, mute_reg); | |
1265 | } | |
1266 | ||
1267 | return 0; | |
1268 | } | |
1269 | ||
1270 | static int wm8753_dapm_event(struct snd_soc_codec *codec, int event) | |
1271 | { | |
1272 | u16 pwr_reg = wm8753_read_reg_cache(codec, WM8753_PWR1) & 0xfe3e; | |
1273 | ||
1274 | switch (event) { | |
1275 | case SNDRV_CTL_POWER_D0: /* full On */ | |
1276 | /* set vmid to 50k and unmute dac */ | |
1277 | wm8753_write(codec, WM8753_PWR1, pwr_reg | 0x00c0); | |
1278 | break; | |
1279 | case SNDRV_CTL_POWER_D1: /* partial On */ | |
1280 | case SNDRV_CTL_POWER_D2: /* partial On */ | |
1281 | /* set vmid to 5k for quick power up */ | |
1282 | wm8753_write(codec, WM8753_PWR1, pwr_reg | 0x01c1); | |
1283 | break; | |
1284 | case SNDRV_CTL_POWER_D3hot: /* Off, with power */ | |
1285 | /* mute dac and set vmid to 500k, enable VREF */ | |
1286 | wm8753_write(codec, WM8753_PWR1, pwr_reg | 0x0141); | |
1287 | break; | |
1288 | case SNDRV_CTL_POWER_D3cold: /* Off, without power */ | |
1289 | wm8753_write(codec, WM8753_PWR1, 0x0001); | |
1290 | break; | |
1291 | } | |
1292 | codec->dapm_state = event; | |
1293 | return 0; | |
1294 | } | |
1295 | ||
1296 | #define WM8753_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ | |
1297 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \ | |
1298 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000) | |
1299 | ||
1300 | #define WM8753_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ | |
1301 | SNDRV_PCM_FMTBIT_S24_LE) | |
1302 | ||
1303 | /* | |
1304 | * The WM8753 supports upto 4 different and mutually exclusive DAI | |
1305 | * configurations. This gives 2 PCM's available for use, hifi and voice. | |
1306 | * NOTE: The Voice PCM cannot play or capture audio to the CPU as it's DAI | |
1307 | * is connected between the wm8753 and a BT codec or GSM modem. | |
1308 | * | |
1309 | * 1. Voice over PCM DAI - HIFI DAC over HIFI DAI | |
1310 | * 2. Voice over HIFI DAI - HIFI disabled | |
1311 | * 3. Voice disabled - HIFI over HIFI | |
1312 | * 4. Voice disabled - HIFI over HIFI, uses voice DAI LRC for capture | |
1313 | */ | |
1314 | static const struct snd_soc_codec_dai wm8753_all_dai[] = { | |
1315 | /* DAI HiFi mode 1 */ | |
1316 | { .name = "WM8753 HiFi", | |
1317 | .id = 1, | |
1318 | .playback = { | |
1319 | .stream_name = "HiFi Playback", | |
1320 | .channels_min = 1, | |
1321 | .channels_max = 2, | |
1322 | .rates = WM8753_RATES, | |
1323 | .formats = WM8753_FORMATS,}, | |
1324 | .capture = { /* dummy for fast DAI switching */ | |
1325 | .stream_name = "Capture", | |
1326 | .channels_min = 1, | |
1327 | .channels_max = 2, | |
1328 | .rates = WM8753_RATES, | |
1329 | .formats = WM8753_FORMATS,}, | |
1330 | .ops = { | |
1331 | .hw_params = wm8753_i2s_hw_params,}, | |
1332 | .dai_ops = { | |
1333 | .digital_mute = wm8753_mute, | |
1334 | .set_fmt = wm8753_mode1h_set_dai_fmt, | |
1335 | .set_clkdiv = wm8753_set_dai_clkdiv, | |
1336 | .set_pll = wm8753_set_dai_pll, | |
1337 | .set_sysclk = wm8753_set_dai_sysclk, | |
1338 | }, | |
1339 | }, | |
1340 | /* DAI Voice mode 1 */ | |
1341 | { .name = "WM8753 Voice", | |
1342 | .id = 1, | |
1343 | .playback = { | |
1344 | .stream_name = "Voice Playback", | |
1345 | .channels_min = 1, | |
1346 | .channels_max = 1, | |
1347 | .rates = WM8753_RATES, | |
1348 | .formats = WM8753_FORMATS,}, | |
1349 | .capture = { | |
1350 | .stream_name = "Capture", | |
1351 | .channels_min = 1, | |
1352 | .channels_max = 2, | |
1353 | .rates = WM8753_RATES, | |
1354 | .formats = WM8753_FORMATS,}, | |
1355 | .ops = { | |
1356 | .hw_params = wm8753_pcm_hw_params,}, | |
1357 | .dai_ops = { | |
1358 | .digital_mute = wm8753_mute, | |
1359 | .set_fmt = wm8753_mode1v_set_dai_fmt, | |
1360 | .set_clkdiv = wm8753_set_dai_clkdiv, | |
1361 | .set_pll = wm8753_set_dai_pll, | |
1362 | .set_sysclk = wm8753_set_dai_sysclk, | |
1363 | }, | |
1364 | }, | |
1365 | /* DAI HiFi mode 2 - dummy */ | |
1366 | { .name = "WM8753 HiFi", | |
1367 | .id = 2, | |
1368 | }, | |
1369 | /* DAI Voice mode 2 */ | |
1370 | { .name = "WM8753 Voice", | |
1371 | .id = 2, | |
1372 | .playback = { | |
1373 | .stream_name = "Voice Playback", | |
1374 | .channels_min = 1, | |
1375 | .channels_max = 1, | |
1376 | .rates = WM8753_RATES, | |
1377 | .formats = WM8753_FORMATS,}, | |
1378 | .capture = { | |
1379 | .stream_name = "Capture", | |
1380 | .channels_min = 1, | |
1381 | .channels_max = 2, | |
1382 | .rates = WM8753_RATES, | |
1383 | .formats = WM8753_FORMATS,}, | |
1384 | .ops = { | |
1385 | .hw_params = wm8753_pcm_hw_params,}, | |
1386 | .dai_ops = { | |
1387 | .digital_mute = wm8753_mute, | |
1388 | .set_fmt = wm8753_mode2_set_dai_fmt, | |
1389 | .set_clkdiv = wm8753_set_dai_clkdiv, | |
1390 | .set_pll = wm8753_set_dai_pll, | |
1391 | .set_sysclk = wm8753_set_dai_sysclk, | |
1392 | }, | |
1393 | }, | |
1394 | /* DAI HiFi mode 3 */ | |
1395 | { .name = "WM8753 HiFi", | |
1396 | .id = 3, | |
1397 | .playback = { | |
1398 | .stream_name = "HiFi Playback", | |
1399 | .channels_min = 1, | |
1400 | .channels_max = 2, | |
1401 | .rates = WM8753_RATES, | |
1402 | .formats = WM8753_FORMATS,}, | |
1403 | .capture = { | |
1404 | .stream_name = "Capture", | |
1405 | .channels_min = 1, | |
1406 | .channels_max = 2, | |
1407 | .rates = WM8753_RATES, | |
1408 | .formats = WM8753_FORMATS,}, | |
1409 | .ops = { | |
1410 | .hw_params = wm8753_i2s_hw_params,}, | |
1411 | .dai_ops = { | |
1412 | .digital_mute = wm8753_mute, | |
1413 | .set_fmt = wm8753_mode3_4_set_dai_fmt, | |
1414 | .set_clkdiv = wm8753_set_dai_clkdiv, | |
1415 | .set_pll = wm8753_set_dai_pll, | |
1416 | .set_sysclk = wm8753_set_dai_sysclk, | |
1417 | }, | |
1418 | }, | |
1419 | /* DAI Voice mode 3 - dummy */ | |
1420 | { .name = "WM8753 Voice", | |
1421 | .id = 3, | |
1422 | }, | |
1423 | /* DAI HiFi mode 4 */ | |
1424 | { .name = "WM8753 HiFi", | |
1425 | .id = 4, | |
1426 | .playback = { | |
1427 | .stream_name = "HiFi Playback", | |
1428 | .channels_min = 1, | |
1429 | .channels_max = 2, | |
1430 | .rates = WM8753_RATES, | |
1431 | .formats = WM8753_FORMATS,}, | |
1432 | .capture = { | |
1433 | .stream_name = "Capture", | |
1434 | .channels_min = 1, | |
1435 | .channels_max = 2, | |
1436 | .rates = WM8753_RATES, | |
1437 | .formats = WM8753_FORMATS,}, | |
1438 | .ops = { | |
1439 | .hw_params = wm8753_i2s_hw_params,}, | |
1440 | .dai_ops = { | |
1441 | .digital_mute = wm8753_mute, | |
1442 | .set_fmt = wm8753_mode3_4_set_dai_fmt, | |
1443 | .set_clkdiv = wm8753_set_dai_clkdiv, | |
1444 | .set_pll = wm8753_set_dai_pll, | |
1445 | .set_sysclk = wm8753_set_dai_sysclk, | |
1446 | }, | |
1447 | }, | |
1448 | /* DAI Voice mode 4 - dummy */ | |
1449 | { .name = "WM8753 Voice", | |
1450 | .id = 4, | |
1451 | }, | |
1452 | }; | |
1453 | ||
1454 | struct snd_soc_codec_dai wm8753_dai[2]; | |
1455 | EXPORT_SYMBOL_GPL(wm8753_dai); | |
1456 | ||
1457 | static void wm8753_set_dai_mode(struct snd_soc_codec *codec, unsigned int mode) | |
1458 | { | |
1459 | if (mode < 4) { | |
1460 | int playback_active, capture_active, codec_active, pop_wait; | |
1461 | void *private_data; | |
1462 | ||
1463 | playback_active = wm8753_dai[0].playback.active; | |
1464 | capture_active = wm8753_dai[0].capture.active; | |
1465 | codec_active = wm8753_dai[0].active; | |
1466 | private_data = wm8753_dai[0].private_data; | |
1467 | pop_wait = wm8753_dai[0].pop_wait; | |
1468 | wm8753_dai[0] = wm8753_all_dai[mode << 1]; | |
1469 | wm8753_dai[0].playback.active = playback_active; | |
1470 | wm8753_dai[0].capture.active = capture_active; | |
1471 | wm8753_dai[0].active = codec_active; | |
1472 | wm8753_dai[0].private_data = private_data; | |
1473 | wm8753_dai[0].pop_wait = pop_wait; | |
1474 | ||
1475 | playback_active = wm8753_dai[1].playback.active; | |
1476 | capture_active = wm8753_dai[1].capture.active; | |
1477 | codec_active = wm8753_dai[1].active; | |
1478 | private_data = wm8753_dai[1].private_data; | |
1479 | pop_wait = wm8753_dai[1].pop_wait; | |
1480 | wm8753_dai[1] = wm8753_all_dai[(mode << 1) + 1]; | |
1481 | wm8753_dai[1].playback.active = playback_active; | |
1482 | wm8753_dai[1].capture.active = capture_active; | |
1483 | wm8753_dai[1].active = codec_active; | |
1484 | wm8753_dai[1].private_data = private_data; | |
1485 | wm8753_dai[1].pop_wait = pop_wait; | |
1486 | } | |
1487 | wm8753_dai[0].codec = codec; | |
1488 | wm8753_dai[1].codec = codec; | |
1489 | } | |
1490 | ||
1491 | static void wm8753_work(struct work_struct *work) | |
1492 | { | |
1493 | struct snd_soc_codec *codec = | |
1494 | container_of(work, struct snd_soc_codec, delayed_work.work); | |
1495 | wm8753_dapm_event(codec, codec->dapm_state); | |
1496 | } | |
1497 | ||
1498 | static int wm8753_suspend(struct platform_device *pdev, pm_message_t state) | |
1499 | { | |
1500 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
1501 | struct snd_soc_codec *codec = socdev->codec; | |
1502 | ||
1503 | /* we only need to suspend if we are a valid card */ | |
1504 | if(!codec->card) | |
1505 | return 0; | |
1506 | ||
1507 | wm8753_dapm_event(codec, SNDRV_CTL_POWER_D3cold); | |
1508 | return 0; | |
1509 | } | |
1510 | ||
1511 | static int wm8753_resume(struct platform_device *pdev) | |
1512 | { | |
1513 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
1514 | struct snd_soc_codec *codec = socdev->codec; | |
1515 | int i; | |
1516 | u8 data[2]; | |
1517 | u16 *cache = codec->reg_cache; | |
1518 | ||
1519 | /* we only need to resume if we are a valid card */ | |
1520 | if(!codec->card) | |
1521 | return 0; | |
1522 | ||
1523 | /* Sync reg_cache with the hardware */ | |
1524 | for (i = 0; i < ARRAY_SIZE(wm8753_reg); i++) { | |
1525 | if (i + 1 == WM8753_RESET) | |
1526 | continue; | |
1527 | data[0] = ((i + 1) << 1) | ((cache[i] >> 8) & 0x0001); | |
1528 | data[1] = cache[i] & 0x00ff; | |
1529 | codec->hw_write(codec->control_data, data, 2); | |
1530 | } | |
1531 | ||
1532 | wm8753_dapm_event(codec, SNDRV_CTL_POWER_D3hot); | |
1533 | ||
1534 | /* charge wm8753 caps */ | |
1535 | if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0) { | |
1536 | wm8753_dapm_event(codec, SNDRV_CTL_POWER_D2); | |
1537 | codec->dapm_state = SNDRV_CTL_POWER_D0; | |
1538 | schedule_delayed_work(&codec->delayed_work, | |
1539 | msecs_to_jiffies(caps_charge)); | |
1540 | } | |
1541 | ||
1542 | return 0; | |
1543 | } | |
1544 | ||
1545 | /* | |
1546 | * initialise the WM8753 driver | |
1547 | * register the mixer and dsp interfaces with the kernel | |
1548 | */ | |
1549 | static int wm8753_init(struct snd_soc_device *socdev) | |
1550 | { | |
1551 | struct snd_soc_codec *codec = socdev->codec; | |
1552 | int reg, ret = 0; | |
1553 | ||
1554 | codec->name = "WM8753"; | |
1555 | codec->owner = THIS_MODULE; | |
1556 | codec->read = wm8753_read_reg_cache; | |
1557 | codec->write = wm8753_write; | |
1558 | codec->dapm_event = wm8753_dapm_event; | |
1559 | codec->dai = wm8753_dai; | |
1560 | codec->num_dai = 2; | |
1561 | codec->reg_cache_size = sizeof(wm8753_reg); | |
1562 | codec->reg_cache = kmemdup(wm8753_reg, sizeof(wm8753_reg), GFP_KERNEL); | |
1563 | ||
1564 | if (codec->reg_cache == NULL) | |
1565 | return -ENOMEM; | |
1566 | ||
1567 | wm8753_set_dai_mode(codec, 0); | |
1568 | ||
1569 | wm8753_reset(codec); | |
1570 | ||
1571 | /* register pcms */ | |
1572 | ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); | |
1573 | if (ret < 0) { | |
1574 | printk(KERN_ERR "wm8753: failed to create pcms\n"); | |
1575 | goto pcm_err; | |
1576 | } | |
1577 | ||
1578 | /* charge output caps */ | |
1579 | wm8753_dapm_event(codec, SNDRV_CTL_POWER_D2); | |
1580 | codec->dapm_state = SNDRV_CTL_POWER_D3hot; | |
1581 | schedule_delayed_work(&codec->delayed_work, | |
1582 | msecs_to_jiffies(caps_charge)); | |
1583 | ||
1584 | /* set the update bits */ | |
1585 | reg = wm8753_read_reg_cache(codec, WM8753_LDAC); | |
1586 | wm8753_write(codec, WM8753_LDAC, reg | 0x0100); | |
1587 | reg = wm8753_read_reg_cache(codec, WM8753_RDAC); | |
1588 | wm8753_write(codec, WM8753_RDAC, reg | 0x0100); | |
1589 | reg = wm8753_read_reg_cache(codec, WM8753_LADC); | |
1590 | wm8753_write(codec, WM8753_LADC, reg | 0x0100); | |
1591 | reg = wm8753_read_reg_cache(codec, WM8753_RADC); | |
1592 | wm8753_write(codec, WM8753_RADC, reg | 0x0100); | |
1593 | reg = wm8753_read_reg_cache(codec, WM8753_LOUT1V); | |
1594 | wm8753_write(codec, WM8753_LOUT1V, reg | 0x0100); | |
1595 | reg = wm8753_read_reg_cache(codec, WM8753_ROUT1V); | |
1596 | wm8753_write(codec, WM8753_ROUT1V, reg | 0x0100); | |
1597 | reg = wm8753_read_reg_cache(codec, WM8753_LOUT2V); | |
1598 | wm8753_write(codec, WM8753_LOUT2V, reg | 0x0100); | |
1599 | reg = wm8753_read_reg_cache(codec, WM8753_ROUT2V); | |
1600 | wm8753_write(codec, WM8753_ROUT2V, reg | 0x0100); | |
1601 | reg = wm8753_read_reg_cache(codec, WM8753_LINVOL); | |
1602 | wm8753_write(codec, WM8753_LINVOL, reg | 0x0100); | |
1603 | reg = wm8753_read_reg_cache(codec, WM8753_RINVOL); | |
1604 | wm8753_write(codec, WM8753_RINVOL, reg | 0x0100); | |
1605 | ||
1606 | wm8753_add_controls(codec); | |
1607 | wm8753_add_widgets(codec); | |
1608 | ret = snd_soc_register_card(socdev); | |
1609 | if (ret < 0) { | |
1610 | printk(KERN_ERR "wm8753: failed to register card\n"); | |
1611 | goto card_err; | |
1612 | } | |
1613 | return ret; | |
1614 | ||
1615 | card_err: | |
1616 | snd_soc_free_pcms(socdev); | |
1617 | snd_soc_dapm_free(socdev); | |
1618 | pcm_err: | |
1619 | kfree(codec->reg_cache); | |
1620 | return ret; | |
1621 | } | |
1622 | ||
1623 | /* If the i2c layer weren't so broken, we could pass this kind of data | |
1624 | around */ | |
1625 | static struct snd_soc_device *wm8753_socdev; | |
1626 | ||
1627 | #if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE) | |
1628 | ||
1629 | /* | |
1630 | * WM8753 2 wire address is determined by GPIO5 | |
1631 | * state during powerup. | |
1632 | * low = 0x1a | |
1633 | * high = 0x1b | |
1634 | */ | |
1635 | static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END }; | |
1636 | ||
1637 | /* Magic definition of all other variables and things */ | |
1638 | I2C_CLIENT_INSMOD; | |
1639 | ||
1640 | static struct i2c_driver wm8753_i2c_driver; | |
1641 | static struct i2c_client client_template; | |
1642 | ||
1643 | static int wm8753_codec_probe(struct i2c_adapter *adap, int addr, int kind) | |
1644 | { | |
1645 | struct snd_soc_device *socdev = wm8753_socdev; | |
1646 | struct wm8753_setup_data *setup = socdev->codec_data; | |
1647 | struct snd_soc_codec *codec = socdev->codec; | |
1648 | struct i2c_client *i2c; | |
1649 | int ret; | |
1650 | ||
1651 | if (addr != setup->i2c_address) | |
1652 | return -ENODEV; | |
1653 | ||
1654 | client_template.adapter = adap; | |
1655 | client_template.addr = addr; | |
1656 | ||
1657 | i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL); | |
1658 | if (i2c == NULL){ | |
1659 | kfree(codec); | |
1660 | return -ENOMEM; | |
1661 | } | |
1662 | i2c_set_clientdata(i2c, codec); | |
1663 | codec->control_data = i2c; | |
1664 | ||
1665 | ret = i2c_attach_client(i2c); | |
1666 | if (ret < 0) { | |
1667 | err("failed to attach codec at addr %x\n", addr); | |
1668 | goto err; | |
1669 | } | |
1670 | ||
1671 | ret = wm8753_init(socdev); | |
1672 | if (ret < 0) { | |
1673 | err("failed to initialise WM8753\n"); | |
1674 | goto err; | |
1675 | } | |
1676 | ||
1677 | return ret; | |
1678 | ||
1679 | err: | |
1680 | kfree(codec); | |
1681 | kfree(i2c); | |
1682 | return ret; | |
1683 | } | |
1684 | ||
1685 | static int wm8753_i2c_detach(struct i2c_client *client) | |
1686 | { | |
1687 | struct snd_soc_codec *codec = i2c_get_clientdata(client); | |
1688 | i2c_detach_client(client); | |
1689 | kfree(codec->reg_cache); | |
1690 | kfree(client); | |
1691 | return 0; | |
1692 | } | |
1693 | ||
1694 | static int wm8753_i2c_attach(struct i2c_adapter *adap) | |
1695 | { | |
1696 | return i2c_probe(adap, &addr_data, wm8753_codec_probe); | |
1697 | } | |
1698 | ||
1699 | /* corgi i2c codec control layer */ | |
1700 | static struct i2c_driver wm8753_i2c_driver = { | |
1701 | .driver = { | |
1702 | .name = "WM8753 I2C Codec", | |
1703 | .owner = THIS_MODULE, | |
1704 | }, | |
1705 | .id = I2C_DRIVERID_WM8753, | |
1706 | .attach_adapter = wm8753_i2c_attach, | |
1707 | .detach_client = wm8753_i2c_detach, | |
1708 | .command = NULL, | |
1709 | }; | |
1710 | ||
1711 | static struct i2c_client client_template = { | |
1712 | .name = "WM8753", | |
1713 | .driver = &wm8753_i2c_driver, | |
1714 | }; | |
1715 | #endif | |
1716 | ||
1717 | static int wm8753_probe(struct platform_device *pdev) | |
1718 | { | |
1719 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
1720 | struct wm8753_setup_data *setup; | |
1721 | struct snd_soc_codec *codec; | |
1722 | struct wm8753_priv *wm8753; | |
1723 | int ret = 0; | |
1724 | ||
1725 | info("WM8753 Audio Codec %s", WM8753_VERSION); | |
1726 | ||
1727 | setup = socdev->codec_data; | |
1728 | codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); | |
1729 | if (codec == NULL) | |
1730 | return -ENOMEM; | |
1731 | ||
1732 | wm8753 = kzalloc(sizeof(struct wm8753_priv), GFP_KERNEL); | |
1733 | if (wm8753 == NULL) { | |
1734 | kfree(codec); | |
1735 | return -ENOMEM; | |
1736 | } | |
1737 | ||
1738 | codec->private_data = wm8753; | |
1739 | socdev->codec = codec; | |
1740 | mutex_init(&codec->mutex); | |
1741 | INIT_LIST_HEAD(&codec->dapm_widgets); | |
1742 | INIT_LIST_HEAD(&codec->dapm_paths); | |
1743 | wm8753_socdev = socdev; | |
1744 | INIT_DELAYED_WORK(&codec->delayed_work, wm8753_work); | |
1745 | ||
1746 | #if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE) | |
1747 | if (setup->i2c_address) { | |
1748 | normal_i2c[0] = setup->i2c_address; | |
1749 | codec->hw_write = (hw_write_t)i2c_master_send; | |
1750 | ret = i2c_add_driver(&wm8753_i2c_driver); | |
1751 | if (ret != 0) | |
1752 | printk(KERN_ERR "can't add i2c driver"); | |
1753 | } | |
1754 | #else | |
1755 | /* Add other interfaces here */ | |
1756 | #endif | |
1757 | return ret; | |
1758 | } | |
1759 | ||
1760 | /* | |
1761 | * This function forces any delayed work to be queued and run. | |
1762 | */ | |
1763 | static int run_delayed_work(struct delayed_work *dwork) | |
1764 | { | |
1765 | int ret; | |
1766 | ||
1767 | /* cancel any work waiting to be queued. */ | |
1768 | ret = cancel_delayed_work(dwork); | |
1769 | ||
1770 | /* if there was any work waiting then we run it now and | |
1771 | * wait for it's completion */ | |
1772 | if (ret) { | |
1773 | schedule_delayed_work(dwork, 0); | |
1774 | flush_scheduled_work(); | |
1775 | } | |
1776 | return ret; | |
1777 | } | |
1778 | ||
1779 | /* power down chip */ | |
1780 | static int wm8753_remove(struct platform_device *pdev) | |
1781 | { | |
1782 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
1783 | struct snd_soc_codec *codec = socdev->codec; | |
1784 | ||
1785 | if (codec->control_data) | |
1786 | wm8753_dapm_event(codec, SNDRV_CTL_POWER_D3cold); | |
1787 | run_delayed_work(&codec->delayed_work); | |
1788 | snd_soc_free_pcms(socdev); | |
1789 | snd_soc_dapm_free(socdev); | |
1790 | #if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE) | |
1791 | i2c_del_driver(&wm8753_i2c_driver); | |
1792 | #endif | |
1793 | kfree(codec->private_data); | |
1794 | kfree(codec); | |
1795 | ||
1796 | return 0; | |
1797 | } | |
1798 | ||
1799 | struct snd_soc_codec_device soc_codec_dev_wm8753 = { | |
1800 | .probe = wm8753_probe, | |
1801 | .remove = wm8753_remove, | |
1802 | .suspend = wm8753_suspend, | |
1803 | .resume = wm8753_resume, | |
1804 | }; | |
1805 | ||
1806 | EXPORT_SYMBOL_GPL(soc_codec_dev_wm8753); | |
1807 | ||
1808 | MODULE_DESCRIPTION("ASoC WM8753 driver"); | |
1809 | MODULE_AUTHOR("Liam Girdwood"); | |
1810 | MODULE_LICENSE("GPL"); |