?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
x86/xen: resume timer irqs early
[linux/fpc-iii.git] / sound / soc / codecs / ak4671.c
blob25bdf6ad4a546c16363381a1a4922c4a334ea48d
1 /*
2 * ak4671.c -- audio driver for AK4671
3 *
4 * Copyright (C) 2009 Samsung Electronics Co.Ltd
5 * Author: Joonyoung Shim <jy0922.shim@samsung.com>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2 of the License, or (at your
10 * option) any later version.
11 *
12 */
13
14 #include <linux/module.h>
15 #include <linux/init.h>
16 #include <linux/i2c.h>
17 #include <linux/delay.h>
18 #include <linux/slab.h>
19 #include <sound/soc.h>
20 #include <sound/initval.h>
21 #include <sound/tlv.h>
22
23 #include "ak4671.h"
24
25
26 /* codec private data */
27 struct ak4671_priv {
28 enum snd_soc_control_type control_type;
29 };
30
31 /* ak4671 register cache & default register settings */
32 static const u8 ak4671_reg[AK4671_CACHEREGNUM] = {
33 0x00, /* AK4671_AD_DA_POWER_MANAGEMENT (0x00) */
34 0xf6, /* AK4671_PLL_MODE_SELECT0 (0x01) */
35 0x00, /* AK4671_PLL_MODE_SELECT1 (0x02) */
36 0x02, /* AK4671_FORMAT_SELECT (0x03) */
37 0x00, /* AK4671_MIC_SIGNAL_SELECT (0x04) */
38 0x55, /* AK4671_MIC_AMP_GAIN (0x05) */
39 0x00, /* AK4671_MIXING_POWER_MANAGEMENT0 (0x06) */
40 0x00, /* AK4671_MIXING_POWER_MANAGEMENT1 (0x07) */
41 0xb5, /* AK4671_OUTPUT_VOLUME_CONTROL (0x08) */
42 0x00, /* AK4671_LOUT1_SIGNAL_SELECT (0x09) */
43 0x00, /* AK4671_ROUT1_SIGNAL_SELECT (0x0a) */
44 0x00, /* AK4671_LOUT2_SIGNAL_SELECT (0x0b) */
45 0x00, /* AK4671_ROUT2_SIGNAL_SELECT (0x0c) */
46 0x00, /* AK4671_LOUT3_SIGNAL_SELECT (0x0d) */
47 0x00, /* AK4671_ROUT3_SIGNAL_SELECT (0x0e) */
48 0x00, /* AK4671_LOUT1_POWER_MANAGERMENT (0x0f) */
49 0x00, /* AK4671_LOUT2_POWER_MANAGERMENT (0x10) */
50 0x80, /* AK4671_LOUT3_POWER_MANAGERMENT (0x11) */
51 0x91, /* AK4671_LCH_INPUT_VOLUME_CONTROL (0x12) */
52 0x91, /* AK4671_RCH_INPUT_VOLUME_CONTROL (0x13) */
53 0xe1, /* AK4671_ALC_REFERENCE_SELECT (0x14) */
54 0x00, /* AK4671_DIGITAL_MIXING_CONTROL (0x15) */
55 0x00, /* AK4671_ALC_TIMER_SELECT (0x16) */
56 0x00, /* AK4671_ALC_MODE_CONTROL (0x17) */
57 0x02, /* AK4671_MODE_CONTROL1 (0x18) */
58 0x01, /* AK4671_MODE_CONTROL2 (0x19) */
59 0x18, /* AK4671_LCH_OUTPUT_VOLUME_CONTROL (0x1a) */
60 0x18, /* AK4671_RCH_OUTPUT_VOLUME_CONTROL (0x1b) */
61 0x00, /* AK4671_SIDETONE_A_CONTROL (0x1c) */
62 0x02, /* AK4671_DIGITAL_FILTER_SELECT (0x1d) */
63 0x00, /* AK4671_FIL3_COEFFICIENT0 (0x1e) */
64 0x00, /* AK4671_FIL3_COEFFICIENT1 (0x1f) */
65 0x00, /* AK4671_FIL3_COEFFICIENT2 (0x20) */
66 0x00, /* AK4671_FIL3_COEFFICIENT3 (0x21) */
67 0x00, /* AK4671_EQ_COEFFICIENT0 (0x22) */
68 0x00, /* AK4671_EQ_COEFFICIENT1 (0x23) */
69 0x00, /* AK4671_EQ_COEFFICIENT2 (0x24) */
70 0x00, /* AK4671_EQ_COEFFICIENT3 (0x25) */
71 0x00, /* AK4671_EQ_COEFFICIENT4 (0x26) */
72 0x00, /* AK4671_EQ_COEFFICIENT5 (0x27) */
73 0xa9, /* AK4671_FIL1_COEFFICIENT0 (0x28) */
74 0x1f, /* AK4671_FIL1_COEFFICIENT1 (0x29) */
75 0xad, /* AK4671_FIL1_COEFFICIENT2 (0x2a) */
76 0x20, /* AK4671_FIL1_COEFFICIENT3 (0x2b) */
77 0x00, /* AK4671_FIL2_COEFFICIENT0 (0x2c) */
78 0x00, /* AK4671_FIL2_COEFFICIENT1 (0x2d) */
79 0x00, /* AK4671_FIL2_COEFFICIENT2 (0x2e) */
80 0x00, /* AK4671_FIL2_COEFFICIENT3 (0x2f) */
81 0x00, /* AK4671_DIGITAL_FILTER_SELECT2 (0x30) */
82 0x00, /* this register not used */
83 0x00, /* AK4671_E1_COEFFICIENT0 (0x32) */
84 0x00, /* AK4671_E1_COEFFICIENT1 (0x33) */
85 0x00, /* AK4671_E1_COEFFICIENT2 (0x34) */
86 0x00, /* AK4671_E1_COEFFICIENT3 (0x35) */
87 0x00, /* AK4671_E1_COEFFICIENT4 (0x36) */
88 0x00, /* AK4671_E1_COEFFICIENT5 (0x37) */
89 0x00, /* AK4671_E2_COEFFICIENT0 (0x38) */
90 0x00, /* AK4671_E2_COEFFICIENT1 (0x39) */
91 0x00, /* AK4671_E2_COEFFICIENT2 (0x3a) */
92 0x00, /* AK4671_E2_COEFFICIENT3 (0x3b) */
93 0x00, /* AK4671_E2_COEFFICIENT4 (0x3c) */
94 0x00, /* AK4671_E2_COEFFICIENT5 (0x3d) */
95 0x00, /* AK4671_E3_COEFFICIENT0 (0x3e) */
96 0x00, /* AK4671_E3_COEFFICIENT1 (0x3f) */
97 0x00, /* AK4671_E3_COEFFICIENT2 (0x40) */
98 0x00, /* AK4671_E3_COEFFICIENT3 (0x41) */
99 0x00, /* AK4671_E3_COEFFICIENT4 (0x42) */
100 0x00, /* AK4671_E3_COEFFICIENT5 (0x43) */
101 0x00, /* AK4671_E4_COEFFICIENT0 (0x44) */
102 0x00, /* AK4671_E4_COEFFICIENT1 (0x45) */
103 0x00, /* AK4671_E4_COEFFICIENT2 (0x46) */
104 0x00, /* AK4671_E4_COEFFICIENT3 (0x47) */
105 0x00, /* AK4671_E4_COEFFICIENT4 (0x48) */
106 0x00, /* AK4671_E4_COEFFICIENT5 (0x49) */
107 0x00, /* AK4671_E5_COEFFICIENT0 (0x4a) */
108 0x00, /* AK4671_E5_COEFFICIENT1 (0x4b) */
109 0x00, /* AK4671_E5_COEFFICIENT2 (0x4c) */
110 0x00, /* AK4671_E5_COEFFICIENT3 (0x4d) */
111 0x00, /* AK4671_E5_COEFFICIENT4 (0x4e) */
112 0x00, /* AK4671_E5_COEFFICIENT5 (0x4f) */
113 0x88, /* AK4671_EQ_CONTROL_250HZ_100HZ (0x50) */
114 0x88, /* AK4671_EQ_CONTROL_3500HZ_1KHZ (0x51) */
115 0x08, /* AK4671_EQ_CONTRO_10KHZ (0x52) */
116 0x00, /* AK4671_PCM_IF_CONTROL0 (0x53) */
117 0x00, /* AK4671_PCM_IF_CONTROL1 (0x54) */
118 0x00, /* AK4671_PCM_IF_CONTROL2 (0x55) */
119 0x18, /* AK4671_DIGITAL_VOLUME_B_CONTROL (0x56) */
120 0x18, /* AK4671_DIGITAL_VOLUME_C_CONTROL (0x57) */
121 0x00, /* AK4671_SIDETONE_VOLUME_CONTROL (0x58) */
122 0x00, /* AK4671_DIGITAL_MIXING_CONTROL2 (0x59) */
123 0x00, /* AK4671_SAR_ADC_CONTROL (0x5a) */
124 };
125
126 /*
127 * LOUT1/ROUT1 output volume control:
128 * from -24 to 6 dB in 6 dB steps (mute instead of -30 dB)
129 */
130 static DECLARE_TLV_DB_SCALE(out1_tlv, -3000, 600, 1);
131
132 /*
133 * LOUT2/ROUT2 output volume control:
134 * from -33 to 6 dB in 3 dB steps (mute instead of -33 dB)
135 */
136 static DECLARE_TLV_DB_SCALE(out2_tlv, -3300, 300, 1);
137
138 /*
139 * LOUT3/ROUT3 output volume control:
140 * from -6 to 3 dB in 3 dB steps
141 */
142 static DECLARE_TLV_DB_SCALE(out3_tlv, -600, 300, 0);
143
144 /*
145 * Mic amp gain control:
146 * from -15 to 30 dB in 3 dB steps
147 * REVISIT: The actual min value(0x01) is -12 dB and the reg value 0x00 is not
148 * available
149 */
150 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, -1500, 300, 0);
151
152 static const struct snd_kcontrol_new ak4671_snd_controls[] = {
153 /* Common playback gain controls */
154 SOC_SINGLE_TLV("Line Output1 Playback Volume",
155 AK4671_OUTPUT_VOLUME_CONTROL, 0, 0x6, 0, out1_tlv),
156 SOC_SINGLE_TLV("Headphone Output2 Playback Volume",
157 AK4671_OUTPUT_VOLUME_CONTROL, 4, 0xd, 0, out2_tlv),
158 SOC_SINGLE_TLV("Line Output3 Playback Volume",
159 AK4671_LOUT3_POWER_MANAGERMENT, 6, 0x3, 0, out3_tlv),
160
161 /* Common capture gain controls */
162 SOC_DOUBLE_TLV("Mic Amp Capture Volume",
163 AK4671_MIC_AMP_GAIN, 0, 4, 0xf, 0, mic_amp_tlv),
164 };
165
166 /* event handlers */
167 static int ak4671_out2_event(struct snd_soc_dapm_widget *w,
168 struct snd_kcontrol *kcontrol, int event)
169 {
170 struct snd_soc_codec *codec = w->codec;
171
172 switch (event) {
173 case SND_SOC_DAPM_POST_PMU:
174 snd_soc_update_bits(codec, AK4671_LOUT2_POWER_MANAGERMENT,
175 AK4671_MUTEN, AK4671_MUTEN);
176 break;
177 case SND_SOC_DAPM_PRE_PMD:
178 snd_soc_update_bits(codec, AK4671_LOUT2_POWER_MANAGERMENT,
179 AK4671_MUTEN, 0);
180 break;
181 }
182
183 return 0;
184 }
185
186 /* Output Mixers */
187 static const struct snd_kcontrol_new ak4671_lout1_mixer_controls[] = {
188 SOC_DAPM_SINGLE("DACL", AK4671_LOUT1_SIGNAL_SELECT, 0, 1, 0),
189 SOC_DAPM_SINGLE("LINL1", AK4671_LOUT1_SIGNAL_SELECT, 1, 1, 0),
190 SOC_DAPM_SINGLE("LINL2", AK4671_LOUT1_SIGNAL_SELECT, 2, 1, 0),
191 SOC_DAPM_SINGLE("LINL3", AK4671_LOUT1_SIGNAL_SELECT, 3, 1, 0),
192 SOC_DAPM_SINGLE("LINL4", AK4671_LOUT1_SIGNAL_SELECT, 4, 1, 0),
193 SOC_DAPM_SINGLE("LOOPL", AK4671_LOUT1_SIGNAL_SELECT, 5, 1, 0),
194 };
195
196 static const struct snd_kcontrol_new ak4671_rout1_mixer_controls[] = {
197 SOC_DAPM_SINGLE("DACR", AK4671_ROUT1_SIGNAL_SELECT, 0, 1, 0),
198 SOC_DAPM_SINGLE("RINR1", AK4671_ROUT1_SIGNAL_SELECT, 1, 1, 0),
199 SOC_DAPM_SINGLE("RINR2", AK4671_ROUT1_SIGNAL_SELECT, 2, 1, 0),
200 SOC_DAPM_SINGLE("RINR3", AK4671_ROUT1_SIGNAL_SELECT, 3, 1, 0),
201 SOC_DAPM_SINGLE("RINR4", AK4671_ROUT1_SIGNAL_SELECT, 4, 1, 0),
202 SOC_DAPM_SINGLE("LOOPR", AK4671_ROUT1_SIGNAL_SELECT, 5, 1, 0),
203 };
204
205 static const struct snd_kcontrol_new ak4671_lout2_mixer_controls[] = {
206 SOC_DAPM_SINGLE("DACHL", AK4671_LOUT2_SIGNAL_SELECT, 0, 1, 0),
207 SOC_DAPM_SINGLE("LINH1", AK4671_LOUT2_SIGNAL_SELECT, 1, 1, 0),
208 SOC_DAPM_SINGLE("LINH2", AK4671_LOUT2_SIGNAL_SELECT, 2, 1, 0),
209 SOC_DAPM_SINGLE("LINH3", AK4671_LOUT2_SIGNAL_SELECT, 3, 1, 0),
210 SOC_DAPM_SINGLE("LINH4", AK4671_LOUT2_SIGNAL_SELECT, 4, 1, 0),
211 SOC_DAPM_SINGLE("LOOPHL", AK4671_LOUT2_SIGNAL_SELECT, 5, 1, 0),
212 };
213
214 static const struct snd_kcontrol_new ak4671_rout2_mixer_controls[] = {
215 SOC_DAPM_SINGLE("DACHR", AK4671_ROUT2_SIGNAL_SELECT, 0, 1, 0),
216 SOC_DAPM_SINGLE("RINH1", AK4671_ROUT2_SIGNAL_SELECT, 1, 1, 0),
217 SOC_DAPM_SINGLE("RINH2", AK4671_ROUT2_SIGNAL_SELECT, 2, 1, 0),
218 SOC_DAPM_SINGLE("RINH3", AK4671_ROUT2_SIGNAL_SELECT, 3, 1, 0),
219 SOC_DAPM_SINGLE("RINH4", AK4671_ROUT2_SIGNAL_SELECT, 4, 1, 0),
220 SOC_DAPM_SINGLE("LOOPHR", AK4671_ROUT2_SIGNAL_SELECT, 5, 1, 0),
221 };
222
223 static const struct snd_kcontrol_new ak4671_lout3_mixer_controls[] = {
224 SOC_DAPM_SINGLE("DACSL", AK4671_LOUT3_SIGNAL_SELECT, 0, 1, 0),
225 SOC_DAPM_SINGLE("LINS1", AK4671_LOUT3_SIGNAL_SELECT, 1, 1, 0),
226 SOC_DAPM_SINGLE("LINS2", AK4671_LOUT3_SIGNAL_SELECT, 2, 1, 0),
227 SOC_DAPM_SINGLE("LINS3", AK4671_LOUT3_SIGNAL_SELECT, 3, 1, 0),
228 SOC_DAPM_SINGLE("LINS4", AK4671_LOUT3_SIGNAL_SELECT, 4, 1, 0),
229 SOC_DAPM_SINGLE("LOOPSL", AK4671_LOUT3_SIGNAL_SELECT, 5, 1, 0),
230 };
231
232 static const struct snd_kcontrol_new ak4671_rout3_mixer_controls[] = {
233 SOC_DAPM_SINGLE("DACSR", AK4671_ROUT3_SIGNAL_SELECT, 0, 1, 0),
234 SOC_DAPM_SINGLE("RINS1", AK4671_ROUT3_SIGNAL_SELECT, 1, 1, 0),
235 SOC_DAPM_SINGLE("RINS2", AK4671_ROUT3_SIGNAL_SELECT, 2, 1, 0),
236 SOC_DAPM_SINGLE("RINS3", AK4671_ROUT3_SIGNAL_SELECT, 3, 1, 0),
237 SOC_DAPM_SINGLE("RINS4", AK4671_ROUT3_SIGNAL_SELECT, 4, 1, 0),
238 SOC_DAPM_SINGLE("LOOPSR", AK4671_ROUT3_SIGNAL_SELECT, 5, 1, 0),
239 };
240
241 /* Input MUXs */
242 static const char *ak4671_lin_mux_texts[] =
243 {"LIN1", "LIN2", "LIN3", "LIN4"};
244 static const struct soc_enum ak4671_lin_mux_enum =
245 SOC_ENUM_SINGLE(AK4671_MIC_SIGNAL_SELECT, 0,
246 ARRAY_SIZE(ak4671_lin_mux_texts),
247 ak4671_lin_mux_texts);
248 static const struct snd_kcontrol_new ak4671_lin_mux_control =
249 SOC_DAPM_ENUM("Route", ak4671_lin_mux_enum);
250
251 static const char *ak4671_rin_mux_texts[] =
252 {"RIN1", "RIN2", "RIN3", "RIN4"};
253 static const struct soc_enum ak4671_rin_mux_enum =
254 SOC_ENUM_SINGLE(AK4671_MIC_SIGNAL_SELECT, 2,
255 ARRAY_SIZE(ak4671_rin_mux_texts),
256 ak4671_rin_mux_texts);
257 static const struct snd_kcontrol_new ak4671_rin_mux_control =
258 SOC_DAPM_ENUM("Route", ak4671_rin_mux_enum);
259
260 static const struct snd_soc_dapm_widget ak4671_dapm_widgets[] = {
261 /* Inputs */
262 SND_SOC_DAPM_INPUT("LIN1"),
263 SND_SOC_DAPM_INPUT("RIN1"),
264 SND_SOC_DAPM_INPUT("LIN2"),
265 SND_SOC_DAPM_INPUT("RIN2"),
266 SND_SOC_DAPM_INPUT("LIN3"),
267 SND_SOC_DAPM_INPUT("RIN3"),
268 SND_SOC_DAPM_INPUT("LIN4"),
269 SND_SOC_DAPM_INPUT("RIN4"),
270
271 /* Outputs */
272 SND_SOC_DAPM_OUTPUT("LOUT1"),
273 SND_SOC_DAPM_OUTPUT("ROUT1"),
274 SND_SOC_DAPM_OUTPUT("LOUT2"),
275 SND_SOC_DAPM_OUTPUT("ROUT2"),
276 SND_SOC_DAPM_OUTPUT("LOUT3"),
277 SND_SOC_DAPM_OUTPUT("ROUT3"),
278
279 /* DAC */
280 SND_SOC_DAPM_DAC("DAC Left", "Left HiFi Playback",
281 AK4671_AD_DA_POWER_MANAGEMENT, 6, 0),
282 SND_SOC_DAPM_DAC("DAC Right", "Right HiFi Playback",
283 AK4671_AD_DA_POWER_MANAGEMENT, 7, 0),
284
285 /* ADC */
286 SND_SOC_DAPM_ADC("ADC Left", "Left HiFi Capture",
287 AK4671_AD_DA_POWER_MANAGEMENT, 4, 0),
288 SND_SOC_DAPM_ADC("ADC Right", "Right HiFi Capture",
289 AK4671_AD_DA_POWER_MANAGEMENT, 5, 0),
290
291 /* PGA */
292 SND_SOC_DAPM_PGA("LOUT2 Mix Amp",
293 AK4671_LOUT2_POWER_MANAGERMENT, 5, 0, NULL, 0),
294 SND_SOC_DAPM_PGA("ROUT2 Mix Amp",
295 AK4671_LOUT2_POWER_MANAGERMENT, 6, 0, NULL, 0),
296
297 SND_SOC_DAPM_PGA("LIN1 Mixing Circuit",
298 AK4671_MIXING_POWER_MANAGEMENT1, 0, 0, NULL, 0),
299 SND_SOC_DAPM_PGA("RIN1 Mixing Circuit",
300 AK4671_MIXING_POWER_MANAGEMENT1, 1, 0, NULL, 0),
301 SND_SOC_DAPM_PGA("LIN2 Mixing Circuit",
302 AK4671_MIXING_POWER_MANAGEMENT1, 2, 0, NULL, 0),
303 SND_SOC_DAPM_PGA("RIN2 Mixing Circuit",
304 AK4671_MIXING_POWER_MANAGEMENT1, 3, 0, NULL, 0),
305 SND_SOC_DAPM_PGA("LIN3 Mixing Circuit",
306 AK4671_MIXING_POWER_MANAGEMENT1, 4, 0, NULL, 0),
307 SND_SOC_DAPM_PGA("RIN3 Mixing Circuit",
308 AK4671_MIXING_POWER_MANAGEMENT1, 5, 0, NULL, 0),
309 SND_SOC_DAPM_PGA("LIN4 Mixing Circuit",
310 AK4671_MIXING_POWER_MANAGEMENT1, 6, 0, NULL, 0),
311 SND_SOC_DAPM_PGA("RIN4 Mixing Circuit",
312 AK4671_MIXING_POWER_MANAGEMENT1, 7, 0, NULL, 0),
313
314 /* Output Mixers */
315 SND_SOC_DAPM_MIXER("LOUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 0, 0,
316 &ak4671_lout1_mixer_controls[0],
317 ARRAY_SIZE(ak4671_lout1_mixer_controls)),
318 SND_SOC_DAPM_MIXER("ROUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 1, 0,
319 &ak4671_rout1_mixer_controls[0],
320 ARRAY_SIZE(ak4671_rout1_mixer_controls)),
321 SND_SOC_DAPM_MIXER_E("LOUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT,
322 0, 0, &ak4671_lout2_mixer_controls[0],
323 ARRAY_SIZE(ak4671_lout2_mixer_controls),
324 ak4671_out2_event,
325 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD),
326 SND_SOC_DAPM_MIXER_E("ROUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT,
327 1, 0, &ak4671_rout2_mixer_controls[0],
328 ARRAY_SIZE(ak4671_rout2_mixer_controls),
329 ak4671_out2_event,
330 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD),
331 SND_SOC_DAPM_MIXER("LOUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 0, 0,
332 &ak4671_lout3_mixer_controls[0],
333 ARRAY_SIZE(ak4671_lout3_mixer_controls)),
334 SND_SOC_DAPM_MIXER("ROUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 1, 0,
335 &ak4671_rout3_mixer_controls[0],
336 ARRAY_SIZE(ak4671_rout3_mixer_controls)),
337
338 /* Input MUXs */
339 SND_SOC_DAPM_MUX("LIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 2, 0,
340 &ak4671_lin_mux_control),
341 SND_SOC_DAPM_MUX("RIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 3, 0,
342 &ak4671_rin_mux_control),
343
344 /* Mic Power */
345 SND_SOC_DAPM_MICBIAS("Mic Bias", AK4671_AD_DA_POWER_MANAGEMENT, 1, 0),
346
347 /* Supply */
348 SND_SOC_DAPM_SUPPLY("PMPLL", AK4671_PLL_MODE_SELECT1, 0, 0, NULL, 0),
349 };
350
351 static const struct snd_soc_dapm_route ak4671_intercon[] = {
352 {"DAC Left", "NULL", "PMPLL"},
353 {"DAC Right", "NULL", "PMPLL"},
354 {"ADC Left", "NULL", "PMPLL"},
355 {"ADC Right", "NULL", "PMPLL"},
356
357 /* Outputs */
358 {"LOUT1", "NULL", "LOUT1 Mixer"},
359 {"ROUT1", "NULL", "ROUT1 Mixer"},
360 {"LOUT2", "NULL", "LOUT2 Mix Amp"},
361 {"ROUT2", "NULL", "ROUT2 Mix Amp"},
362 {"LOUT3", "NULL", "LOUT3 Mixer"},
363 {"ROUT3", "NULL", "ROUT3 Mixer"},
364
365 {"LOUT1 Mixer", "DACL", "DAC Left"},
366 {"ROUT1 Mixer", "DACR", "DAC Right"},
367 {"LOUT2 Mixer", "DACHL", "DAC Left"},
368 {"ROUT2 Mixer", "DACHR", "DAC Right"},
369 {"LOUT2 Mix Amp", "NULL", "LOUT2 Mixer"},
370 {"ROUT2 Mix Amp", "NULL", "ROUT2 Mixer"},
371 {"LOUT3 Mixer", "DACSL", "DAC Left"},
372 {"ROUT3 Mixer", "DACSR", "DAC Right"},
373
374 /* Inputs */
375 {"LIN MUX", "LIN1", "LIN1"},
376 {"LIN MUX", "LIN2", "LIN2"},
377 {"LIN MUX", "LIN3", "LIN3"},
378 {"LIN MUX", "LIN4", "LIN4"},
379
380 {"RIN MUX", "RIN1", "RIN1"},
381 {"RIN MUX", "RIN2", "RIN2"},
382 {"RIN MUX", "RIN3", "RIN3"},
383 {"RIN MUX", "RIN4", "RIN4"},
384
385 {"LIN1", NULL, "Mic Bias"},
386 {"RIN1", NULL, "Mic Bias"},
387 {"LIN2", NULL, "Mic Bias"},
388 {"RIN2", NULL, "Mic Bias"},
389
390 {"ADC Left", "NULL", "LIN MUX"},
391 {"ADC Right", "NULL", "RIN MUX"},
392
393 /* Analog Loops */
394 {"LIN1 Mixing Circuit", "NULL", "LIN1"},
395 {"RIN1 Mixing Circuit", "NULL", "RIN1"},
396 {"LIN2 Mixing Circuit", "NULL", "LIN2"},
397 {"RIN2 Mixing Circuit", "NULL", "RIN2"},
398 {"LIN3 Mixing Circuit", "NULL", "LIN3"},
399 {"RIN3 Mixing Circuit", "NULL", "RIN3"},
400 {"LIN4 Mixing Circuit", "NULL", "LIN4"},
401 {"RIN4 Mixing Circuit", "NULL", "RIN4"},
402
403 {"LOUT1 Mixer", "LINL1", "LIN1 Mixing Circuit"},
404 {"ROUT1 Mixer", "RINR1", "RIN1 Mixing Circuit"},
405 {"LOUT2 Mixer", "LINH1", "LIN1 Mixing Circuit"},
406 {"ROUT2 Mixer", "RINH1", "RIN1 Mixing Circuit"},
407 {"LOUT3 Mixer", "LINS1", "LIN1 Mixing Circuit"},
408 {"ROUT3 Mixer", "RINS1", "RIN1 Mixing Circuit"},
409
410 {"LOUT1 Mixer", "LINL2", "LIN2 Mixing Circuit"},
411 {"ROUT1 Mixer", "RINR2", "RIN2 Mixing Circuit"},
412 {"LOUT2 Mixer", "LINH2", "LIN2 Mixing Circuit"},
413 {"ROUT2 Mixer", "RINH2", "RIN2 Mixing Circuit"},
414 {"LOUT3 Mixer", "LINS2", "LIN2 Mixing Circuit"},
415 {"ROUT3 Mixer", "RINS2", "RIN2 Mixing Circuit"},
416
417 {"LOUT1 Mixer", "LINL3", "LIN3 Mixing Circuit"},
418 {"ROUT1 Mixer", "RINR3", "RIN3 Mixing Circuit"},
419 {"LOUT2 Mixer", "LINH3", "LIN3 Mixing Circuit"},
420 {"ROUT2 Mixer", "RINH3", "RIN3 Mixing Circuit"},
421 {"LOUT3 Mixer", "LINS3", "LIN3 Mixing Circuit"},
422 {"ROUT3 Mixer", "RINS3", "RIN3 Mixing Circuit"},
423
424 {"LOUT1 Mixer", "LINL4", "LIN4 Mixing Circuit"},
425 {"ROUT1 Mixer", "RINR4", "RIN4 Mixing Circuit"},
426 {"LOUT2 Mixer", "LINH4", "LIN4 Mixing Circuit"},
427 {"ROUT2 Mixer", "RINH4", "RIN4 Mixing Circuit"},
428 {"LOUT3 Mixer", "LINS4", "LIN4 Mixing Circuit"},
429 {"ROUT3 Mixer", "RINS4", "RIN4 Mixing Circuit"},
430 };
431
432 static int ak4671_hw_params(struct snd_pcm_substream *substream,
433 struct snd_pcm_hw_params *params,
434 struct snd_soc_dai *dai)
435 {
436 struct snd_soc_codec *codec = dai->codec;
437 u8 fs;
438
439 fs = snd_soc_read(codec, AK4671_PLL_MODE_SELECT0);
440 fs &= ~AK4671_FS;
441
442 switch (params_rate(params)) {
443 case 8000:
444 fs |= AK4671_FS_8KHZ;
445 break;
446 case 12000:
447 fs |= AK4671_FS_12KHZ;
448 break;
449 case 16000:
450 fs |= AK4671_FS_16KHZ;
451 break;
452 case 24000:
453 fs |= AK4671_FS_24KHZ;
454 break;
455 case 11025:
456 fs |= AK4671_FS_11_025KHZ;
457 break;
458 case 22050:
459 fs |= AK4671_FS_22_05KHZ;
460 break;
461 case 32000:
462 fs |= AK4671_FS_32KHZ;
463 break;
464 case 44100:
465 fs |= AK4671_FS_44_1KHZ;
466 break;
467 case 48000:
468 fs |= AK4671_FS_48KHZ;
469 break;
470 default:
471 return -EINVAL;
472 }
473
474 snd_soc_write(codec, AK4671_PLL_MODE_SELECT0, fs);
475
476 return 0;
477 }
478
479 static int ak4671_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
480 unsigned int freq, int dir)
481 {
482 struct snd_soc_codec *codec = dai->codec;
483 u8 pll;
484
485 pll = snd_soc_read(codec, AK4671_PLL_MODE_SELECT0);
486 pll &= ~AK4671_PLL;
487
488 switch (freq) {
489 case 11289600:
490 pll |= AK4671_PLL_11_2896MHZ;
491 break;
492 case 12000000:
493 pll |= AK4671_PLL_12MHZ;
494 break;
495 case 12288000:
496 pll |= AK4671_PLL_12_288MHZ;
497 break;
498 case 13000000:
499 pll |= AK4671_PLL_13MHZ;
500 break;
501 case 13500000:
502 pll |= AK4671_PLL_13_5MHZ;
503 break;
504 case 19200000:
505 pll |= AK4671_PLL_19_2MHZ;
506 break;
507 case 24000000:
508 pll |= AK4671_PLL_24MHZ;
509 break;
510 case 26000000:
511 pll |= AK4671_PLL_26MHZ;
512 break;
513 case 27000000:
514 pll |= AK4671_PLL_27MHZ;
515 break;
516 default:
517 return -EINVAL;
518 }
519
520 snd_soc_write(codec, AK4671_PLL_MODE_SELECT0, pll);
521
522 return 0;
523 }
524
525 static int ak4671_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
526 {
527 struct snd_soc_codec *codec = dai->codec;
528 u8 mode;
529 u8 format;
530
531 /* set master/slave audio interface */
532 mode = snd_soc_read(codec, AK4671_PLL_MODE_SELECT1);
533
534 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
535 case SND_SOC_DAIFMT_CBM_CFM:
536 mode |= AK4671_M_S;
537 break;
538 case SND_SOC_DAIFMT_CBM_CFS:
539 mode &= ~(AK4671_M_S);
540 break;
541 default:
542 return -EINVAL;
543 }
544
545 /* interface format */
546 format = snd_soc_read(codec, AK4671_FORMAT_SELECT);
547 format &= ~AK4671_DIF;
548
549 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
550 case SND_SOC_DAIFMT_I2S:
551 format |= AK4671_DIF_I2S_MODE;
552 break;
553 case SND_SOC_DAIFMT_LEFT_J:
554 format |= AK4671_DIF_MSB_MODE;
555 break;
556 case SND_SOC_DAIFMT_DSP_A:
557 format |= AK4671_DIF_DSP_MODE;
558 format |= AK4671_BCKP;
559 format |= AK4671_MSBS;
560 break;
561 default:
562 return -EINVAL;
563 }
564
565 /* set mode and format */
566 snd_soc_write(codec, AK4671_PLL_MODE_SELECT1, mode);
567 snd_soc_write(codec, AK4671_FORMAT_SELECT, format);
568
569 return 0;
570 }
571
572 static int ak4671_set_bias_level(struct snd_soc_codec *codec,
573 enum snd_soc_bias_level level)
574 {
575 switch (level) {
576 case SND_SOC_BIAS_ON:
577 case SND_SOC_BIAS_PREPARE:
578 case SND_SOC_BIAS_STANDBY:
579 snd_soc_update_bits(codec, AK4671_AD_DA_POWER_MANAGEMENT,
580 AK4671_PMVCM, AK4671_PMVCM);
581 break;
582 case SND_SOC_BIAS_OFF:
583 snd_soc_write(codec, AK4671_AD_DA_POWER_MANAGEMENT, 0x00);
584 break;
585 }
586 codec->dapm.bias_level = level;
587 return 0;
588 }
589
590 #define AK4671_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
591 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
592 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
593 SNDRV_PCM_RATE_48000)
594
595 #define AK4671_FORMATS SNDRV_PCM_FMTBIT_S16_LE
596
597 static const struct snd_soc_dai_ops ak4671_dai_ops = {
598 .hw_params = ak4671_hw_params,
599 .set_sysclk = ak4671_set_dai_sysclk,
600 .set_fmt = ak4671_set_dai_fmt,
601 };
602
603 static struct snd_soc_dai_driver ak4671_dai = {
604 .name = "ak4671-hifi",
605 .playback = {
606 .stream_name = "Playback",
607 .channels_min = 1,
608 .channels_max = 2,
609 .rates = AK4671_RATES,
610 .formats = AK4671_FORMATS,},
611 .capture = {
612 .stream_name = "Capture",
613 .channels_min = 1,
614 .channels_max = 2,
615 .rates = AK4671_RATES,
616 .formats = AK4671_FORMATS,},
617 .ops = &ak4671_dai_ops,
618 };
619
620 static int ak4671_probe(struct snd_soc_codec *codec)
621 {
622 struct ak4671_priv *ak4671 = snd_soc_codec_get_drvdata(codec);
623 int ret;
624
625 ret = snd_soc_codec_set_cache_io(codec, 8, 8, ak4671->control_type);
626 if (ret < 0) {
627 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
628 return ret;
629 }
630
631 snd_soc_add_codec_controls(codec, ak4671_snd_controls,
632 ARRAY_SIZE(ak4671_snd_controls));
633
634 ak4671_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
635
636 return ret;
637 }
638
639 static int ak4671_remove(struct snd_soc_codec *codec)
640 {
641 ak4671_set_bias_level(codec, SND_SOC_BIAS_OFF);
642 return 0;
643 }
644
645 static struct snd_soc_codec_driver soc_codec_dev_ak4671 = {
646 .probe = ak4671_probe,
647 .remove = ak4671_remove,
648 .set_bias_level = ak4671_set_bias_level,
649 .reg_cache_size = AK4671_CACHEREGNUM,
650 .reg_word_size = sizeof(u8),
651 .reg_cache_default = ak4671_reg,
652 .dapm_widgets = ak4671_dapm_widgets,
653 .num_dapm_widgets = ARRAY_SIZE(ak4671_dapm_widgets),
654 .dapm_routes = ak4671_intercon,
655 .num_dapm_routes = ARRAY_SIZE(ak4671_intercon),
656 };
657
658 static int ak4671_i2c_probe(struct i2c_client *client,
659 const struct i2c_device_id *id)
660 {
661 struct ak4671_priv *ak4671;
662 int ret;
663
664 ak4671 = devm_kzalloc(&client->dev, sizeof(struct ak4671_priv),
665 GFP_KERNEL);
666 if (ak4671 == NULL)
667 return -ENOMEM;
668
669 i2c_set_clientdata(client, ak4671);
670 ak4671->control_type = SND_SOC_I2C;
671
672 ret = snd_soc_register_codec(&client->dev,
673 &soc_codec_dev_ak4671, &ak4671_dai, 1);
674 return ret;
675 }
676
677 static int ak4671_i2c_remove(struct i2c_client *client)
678 {
679 snd_soc_unregister_codec(&client->dev);
680 return 0;
681 }
682
683 static const struct i2c_device_id ak4671_i2c_id[] = {
684 { "ak4671", 0 },
685 { }
686 };
687 MODULE_DEVICE_TABLE(i2c, ak4671_i2c_id);
688
689 static struct i2c_driver ak4671_i2c_driver = {
690 .driver = {
691 .name = "ak4671-codec",
692 .owner = THIS_MODULE,
693 },
694 .probe = ak4671_i2c_probe,
695 .remove = ak4671_i2c_remove,
696 .id_table = ak4671_i2c_id,
697 };
698
699 module_i2c_driver(ak4671_i2c_driver);
700
701 MODULE_DESCRIPTION("ASoC AK4671 codec driver");
702 MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
703 MODULE_LICENSE("GPL");
Linux with added FPC-III support