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mm: compaction: don't depend on HUGETLB_PAGE
[linux/fpc-iii.git] / sound / soc / codecs / ak4671.c
blob2ec75abfa3e9759036da009301d933a3c1ae7797
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 void *control_data;
30 };
31
32 /* ak4671 register cache & default register settings */
33 static const u8 ak4671_reg[AK4671_CACHEREGNUM] = {
34 0x00, /* AK4671_AD_DA_POWER_MANAGEMENT (0x00) */
35 0xf6, /* AK4671_PLL_MODE_SELECT0 (0x01) */
36 0x00, /* AK4671_PLL_MODE_SELECT1 (0x02) */
37 0x02, /* AK4671_FORMAT_SELECT (0x03) */
38 0x00, /* AK4671_MIC_SIGNAL_SELECT (0x04) */
39 0x55, /* AK4671_MIC_AMP_GAIN (0x05) */
40 0x00, /* AK4671_MIXING_POWER_MANAGEMENT0 (0x06) */
41 0x00, /* AK4671_MIXING_POWER_MANAGEMENT1 (0x07) */
42 0xb5, /* AK4671_OUTPUT_VOLUME_CONTROL (0x08) */
43 0x00, /* AK4671_LOUT1_SIGNAL_SELECT (0x09) */
44 0x00, /* AK4671_ROUT1_SIGNAL_SELECT (0x0a) */
45 0x00, /* AK4671_LOUT2_SIGNAL_SELECT (0x0b) */
46 0x00, /* AK4671_ROUT2_SIGNAL_SELECT (0x0c) */
47 0x00, /* AK4671_LOUT3_SIGNAL_SELECT (0x0d) */
48 0x00, /* AK4671_ROUT3_SIGNAL_SELECT (0x0e) */
49 0x00, /* AK4671_LOUT1_POWER_MANAGERMENT (0x0f) */
50 0x00, /* AK4671_LOUT2_POWER_MANAGERMENT (0x10) */
51 0x80, /* AK4671_LOUT3_POWER_MANAGERMENT (0x11) */
52 0x91, /* AK4671_LCH_INPUT_VOLUME_CONTROL (0x12) */
53 0x91, /* AK4671_RCH_INPUT_VOLUME_CONTROL (0x13) */
54 0xe1, /* AK4671_ALC_REFERENCE_SELECT (0x14) */
55 0x00, /* AK4671_DIGITAL_MIXING_CONTROL (0x15) */
56 0x00, /* AK4671_ALC_TIMER_SELECT (0x16) */
57 0x00, /* AK4671_ALC_MODE_CONTROL (0x17) */
58 0x02, /* AK4671_MODE_CONTROL1 (0x18) */
59 0x01, /* AK4671_MODE_CONTROL2 (0x19) */
60 0x18, /* AK4671_LCH_OUTPUT_VOLUME_CONTROL (0x1a) */
61 0x18, /* AK4671_RCH_OUTPUT_VOLUME_CONTROL (0x1b) */
62 0x00, /* AK4671_SIDETONE_A_CONTROL (0x1c) */
63 0x02, /* AK4671_DIGITAL_FILTER_SELECT (0x1d) */
64 0x00, /* AK4671_FIL3_COEFFICIENT0 (0x1e) */
65 0x00, /* AK4671_FIL3_COEFFICIENT1 (0x1f) */
66 0x00, /* AK4671_FIL3_COEFFICIENT2 (0x20) */
67 0x00, /* AK4671_FIL3_COEFFICIENT3 (0x21) */
68 0x00, /* AK4671_EQ_COEFFICIENT0 (0x22) */
69 0x00, /* AK4671_EQ_COEFFICIENT1 (0x23) */
70 0x00, /* AK4671_EQ_COEFFICIENT2 (0x24) */
71 0x00, /* AK4671_EQ_COEFFICIENT3 (0x25) */
72 0x00, /* AK4671_EQ_COEFFICIENT4 (0x26) */
73 0x00, /* AK4671_EQ_COEFFICIENT5 (0x27) */
74 0xa9, /* AK4671_FIL1_COEFFICIENT0 (0x28) */
75 0x1f, /* AK4671_FIL1_COEFFICIENT1 (0x29) */
76 0xad, /* AK4671_FIL1_COEFFICIENT2 (0x2a) */
77 0x20, /* AK4671_FIL1_COEFFICIENT3 (0x2b) */
78 0x00, /* AK4671_FIL2_COEFFICIENT0 (0x2c) */
79 0x00, /* AK4671_FIL2_COEFFICIENT1 (0x2d) */
80 0x00, /* AK4671_FIL2_COEFFICIENT2 (0x2e) */
81 0x00, /* AK4671_FIL2_COEFFICIENT3 (0x2f) */
82 0x00, /* AK4671_DIGITAL_FILTER_SELECT2 (0x30) */
83 0x00, /* this register not used */
84 0x00, /* AK4671_E1_COEFFICIENT0 (0x32) */
85 0x00, /* AK4671_E1_COEFFICIENT1 (0x33) */
86 0x00, /* AK4671_E1_COEFFICIENT2 (0x34) */
87 0x00, /* AK4671_E1_COEFFICIENT3 (0x35) */
88 0x00, /* AK4671_E1_COEFFICIENT4 (0x36) */
89 0x00, /* AK4671_E1_COEFFICIENT5 (0x37) */
90 0x00, /* AK4671_E2_COEFFICIENT0 (0x38) */
91 0x00, /* AK4671_E2_COEFFICIENT1 (0x39) */
92 0x00, /* AK4671_E2_COEFFICIENT2 (0x3a) */
93 0x00, /* AK4671_E2_COEFFICIENT3 (0x3b) */
94 0x00, /* AK4671_E2_COEFFICIENT4 (0x3c) */
95 0x00, /* AK4671_E2_COEFFICIENT5 (0x3d) */
96 0x00, /* AK4671_E3_COEFFICIENT0 (0x3e) */
97 0x00, /* AK4671_E3_COEFFICIENT1 (0x3f) */
98 0x00, /* AK4671_E3_COEFFICIENT2 (0x40) */
99 0x00, /* AK4671_E3_COEFFICIENT3 (0x41) */
100 0x00, /* AK4671_E3_COEFFICIENT4 (0x42) */
101 0x00, /* AK4671_E3_COEFFICIENT5 (0x43) */
102 0x00, /* AK4671_E4_COEFFICIENT0 (0x44) */
103 0x00, /* AK4671_E4_COEFFICIENT1 (0x45) */
104 0x00, /* AK4671_E4_COEFFICIENT2 (0x46) */
105 0x00, /* AK4671_E4_COEFFICIENT3 (0x47) */
106 0x00, /* AK4671_E4_COEFFICIENT4 (0x48) */
107 0x00, /* AK4671_E4_COEFFICIENT5 (0x49) */
108 0x00, /* AK4671_E5_COEFFICIENT0 (0x4a) */
109 0x00, /* AK4671_E5_COEFFICIENT1 (0x4b) */
110 0x00, /* AK4671_E5_COEFFICIENT2 (0x4c) */
111 0x00, /* AK4671_E5_COEFFICIENT3 (0x4d) */
112 0x00, /* AK4671_E5_COEFFICIENT4 (0x4e) */
113 0x00, /* AK4671_E5_COEFFICIENT5 (0x4f) */
114 0x88, /* AK4671_EQ_CONTROL_250HZ_100HZ (0x50) */
115 0x88, /* AK4671_EQ_CONTROL_3500HZ_1KHZ (0x51) */
116 0x08, /* AK4671_EQ_CONTRO_10KHZ (0x52) */
117 0x00, /* AK4671_PCM_IF_CONTROL0 (0x53) */
118 0x00, /* AK4671_PCM_IF_CONTROL1 (0x54) */
119 0x00, /* AK4671_PCM_IF_CONTROL2 (0x55) */
120 0x18, /* AK4671_DIGITAL_VOLUME_B_CONTROL (0x56) */
121 0x18, /* AK4671_DIGITAL_VOLUME_C_CONTROL (0x57) */
122 0x00, /* AK4671_SIDETONE_VOLUME_CONTROL (0x58) */
123 0x00, /* AK4671_DIGITAL_MIXING_CONTROL2 (0x59) */
124 0x00, /* AK4671_SAR_ADC_CONTROL (0x5a) */
125 };
126
127 /*
128 * LOUT1/ROUT1 output volume control:
129 * from -24 to 6 dB in 6 dB steps (mute instead of -30 dB)
130 */
131 static DECLARE_TLV_DB_SCALE(out1_tlv, -3000, 600, 1);
132
133 /*
134 * LOUT2/ROUT2 output volume control:
135 * from -33 to 6 dB in 3 dB steps (mute instead of -33 dB)
136 */
137 static DECLARE_TLV_DB_SCALE(out2_tlv, -3300, 300, 1);
138
139 /*
140 * LOUT3/ROUT3 output volume control:
141 * from -6 to 3 dB in 3 dB steps
142 */
143 static DECLARE_TLV_DB_SCALE(out3_tlv, -600, 300, 0);
144
145 /*
146 * Mic amp gain control:
147 * from -15 to 30 dB in 3 dB steps
148 * REVISIT: The actual min value(0x01) is -12 dB and the reg value 0x00 is not
149 * available
150 */
151 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, -1500, 300, 0);
152
153 static const struct snd_kcontrol_new ak4671_snd_controls[] = {
154 /* Common playback gain controls */
155 SOC_SINGLE_TLV("Line Output1 Playback Volume",
156 AK4671_OUTPUT_VOLUME_CONTROL, 0, 0x6, 0, out1_tlv),
157 SOC_SINGLE_TLV("Headphone Output2 Playback Volume",
158 AK4671_OUTPUT_VOLUME_CONTROL, 4, 0xd, 0, out2_tlv),
159 SOC_SINGLE_TLV("Line Output3 Playback Volume",
160 AK4671_LOUT3_POWER_MANAGERMENT, 6, 0x3, 0, out3_tlv),
161
162 /* Common capture gain controls */
163 SOC_DOUBLE_TLV("Mic Amp Capture Volume",
164 AK4671_MIC_AMP_GAIN, 0, 4, 0xf, 0, mic_amp_tlv),
165 };
166
167 /* event handlers */
168 static int ak4671_out2_event(struct snd_soc_dapm_widget *w,
169 struct snd_kcontrol *kcontrol, int event)
170 {
171 struct snd_soc_codec *codec = w->codec;
172 u8 reg;
173
174 switch (event) {
175 case SND_SOC_DAPM_POST_PMU:
176 reg = snd_soc_read(codec, AK4671_LOUT2_POWER_MANAGERMENT);
177 reg |= AK4671_MUTEN;
178 snd_soc_write(codec, AK4671_LOUT2_POWER_MANAGERMENT, reg);
179 break;
180 case SND_SOC_DAPM_PRE_PMD:
181 reg = snd_soc_read(codec, AK4671_LOUT2_POWER_MANAGERMENT);
182 reg &= ~AK4671_MUTEN;
183 snd_soc_write(codec, AK4671_LOUT2_POWER_MANAGERMENT, reg);
184 break;
185 }
186
187 return 0;
188 }
189
190 /* Output Mixers */
191 static const struct snd_kcontrol_new ak4671_lout1_mixer_controls[] = {
192 SOC_DAPM_SINGLE("DACL", AK4671_LOUT1_SIGNAL_SELECT, 0, 1, 0),
193 SOC_DAPM_SINGLE("LINL1", AK4671_LOUT1_SIGNAL_SELECT, 1, 1, 0),
194 SOC_DAPM_SINGLE("LINL2", AK4671_LOUT1_SIGNAL_SELECT, 2, 1, 0),
195 SOC_DAPM_SINGLE("LINL3", AK4671_LOUT1_SIGNAL_SELECT, 3, 1, 0),
196 SOC_DAPM_SINGLE("LINL4", AK4671_LOUT1_SIGNAL_SELECT, 4, 1, 0),
197 SOC_DAPM_SINGLE("LOOPL", AK4671_LOUT1_SIGNAL_SELECT, 5, 1, 0),
198 };
199
200 static const struct snd_kcontrol_new ak4671_rout1_mixer_controls[] = {
201 SOC_DAPM_SINGLE("DACR", AK4671_ROUT1_SIGNAL_SELECT, 0, 1, 0),
202 SOC_DAPM_SINGLE("RINR1", AK4671_ROUT1_SIGNAL_SELECT, 1, 1, 0),
203 SOC_DAPM_SINGLE("RINR2", AK4671_ROUT1_SIGNAL_SELECT, 2, 1, 0),
204 SOC_DAPM_SINGLE("RINR3", AK4671_ROUT1_SIGNAL_SELECT, 3, 1, 0),
205 SOC_DAPM_SINGLE("RINR4", AK4671_ROUT1_SIGNAL_SELECT, 4, 1, 0),
206 SOC_DAPM_SINGLE("LOOPR", AK4671_ROUT1_SIGNAL_SELECT, 5, 1, 0),
207 };
208
209 static const struct snd_kcontrol_new ak4671_lout2_mixer_controls[] = {
210 SOC_DAPM_SINGLE("DACHL", AK4671_LOUT2_SIGNAL_SELECT, 0, 1, 0),
211 SOC_DAPM_SINGLE("LINH1", AK4671_LOUT2_SIGNAL_SELECT, 1, 1, 0),
212 SOC_DAPM_SINGLE("LINH2", AK4671_LOUT2_SIGNAL_SELECT, 2, 1, 0),
213 SOC_DAPM_SINGLE("LINH3", AK4671_LOUT2_SIGNAL_SELECT, 3, 1, 0),
214 SOC_DAPM_SINGLE("LINH4", AK4671_LOUT2_SIGNAL_SELECT, 4, 1, 0),
215 SOC_DAPM_SINGLE("LOOPHL", AK4671_LOUT2_SIGNAL_SELECT, 5, 1, 0),
216 };
217
218 static const struct snd_kcontrol_new ak4671_rout2_mixer_controls[] = {
219 SOC_DAPM_SINGLE("DACHR", AK4671_ROUT2_SIGNAL_SELECT, 0, 1, 0),
220 SOC_DAPM_SINGLE("RINH1", AK4671_ROUT2_SIGNAL_SELECT, 1, 1, 0),
221 SOC_DAPM_SINGLE("RINH2", AK4671_ROUT2_SIGNAL_SELECT, 2, 1, 0),
222 SOC_DAPM_SINGLE("RINH3", AK4671_ROUT2_SIGNAL_SELECT, 3, 1, 0),
223 SOC_DAPM_SINGLE("RINH4", AK4671_ROUT2_SIGNAL_SELECT, 4, 1, 0),
224 SOC_DAPM_SINGLE("LOOPHR", AK4671_ROUT2_SIGNAL_SELECT, 5, 1, 0),
225 };
226
227 static const struct snd_kcontrol_new ak4671_lout3_mixer_controls[] = {
228 SOC_DAPM_SINGLE("DACSL", AK4671_LOUT3_SIGNAL_SELECT, 0, 1, 0),
229 SOC_DAPM_SINGLE("LINS1", AK4671_LOUT3_SIGNAL_SELECT, 1, 1, 0),
230 SOC_DAPM_SINGLE("LINS2", AK4671_LOUT3_SIGNAL_SELECT, 2, 1, 0),
231 SOC_DAPM_SINGLE("LINS3", AK4671_LOUT3_SIGNAL_SELECT, 3, 1, 0),
232 SOC_DAPM_SINGLE("LINS4", AK4671_LOUT3_SIGNAL_SELECT, 4, 1, 0),
233 SOC_DAPM_SINGLE("LOOPSL", AK4671_LOUT3_SIGNAL_SELECT, 5, 1, 0),
234 };
235
236 static const struct snd_kcontrol_new ak4671_rout3_mixer_controls[] = {
237 SOC_DAPM_SINGLE("DACSR", AK4671_ROUT3_SIGNAL_SELECT, 0, 1, 0),
238 SOC_DAPM_SINGLE("RINS1", AK4671_ROUT3_SIGNAL_SELECT, 1, 1, 0),
239 SOC_DAPM_SINGLE("RINS2", AK4671_ROUT3_SIGNAL_SELECT, 2, 1, 0),
240 SOC_DAPM_SINGLE("RINS3", AK4671_ROUT3_SIGNAL_SELECT, 3, 1, 0),
241 SOC_DAPM_SINGLE("RINS4", AK4671_ROUT3_SIGNAL_SELECT, 4, 1, 0),
242 SOC_DAPM_SINGLE("LOOPSR", AK4671_ROUT3_SIGNAL_SELECT, 5, 1, 0),
243 };
244
245 /* Input MUXs */
246 static const char *ak4671_lin_mux_texts[] =
247 {"LIN1", "LIN2", "LIN3", "LIN4"};
248 static const struct soc_enum ak4671_lin_mux_enum =
249 SOC_ENUM_SINGLE(AK4671_MIC_SIGNAL_SELECT, 0,
250 ARRAY_SIZE(ak4671_lin_mux_texts),
251 ak4671_lin_mux_texts);
252 static const struct snd_kcontrol_new ak4671_lin_mux_control =
253 SOC_DAPM_ENUM("Route", ak4671_lin_mux_enum);
254
255 static const char *ak4671_rin_mux_texts[] =
256 {"RIN1", "RIN2", "RIN3", "RIN4"};
257 static const struct soc_enum ak4671_rin_mux_enum =
258 SOC_ENUM_SINGLE(AK4671_MIC_SIGNAL_SELECT, 2,
259 ARRAY_SIZE(ak4671_rin_mux_texts),
260 ak4671_rin_mux_texts);
261 static const struct snd_kcontrol_new ak4671_rin_mux_control =
262 SOC_DAPM_ENUM("Route", ak4671_rin_mux_enum);
263
264 static const struct snd_soc_dapm_widget ak4671_dapm_widgets[] = {
265 /* Inputs */
266 SND_SOC_DAPM_INPUT("LIN1"),
267 SND_SOC_DAPM_INPUT("RIN1"),
268 SND_SOC_DAPM_INPUT("LIN2"),
269 SND_SOC_DAPM_INPUT("RIN2"),
270 SND_SOC_DAPM_INPUT("LIN3"),
271 SND_SOC_DAPM_INPUT("RIN3"),
272 SND_SOC_DAPM_INPUT("LIN4"),
273 SND_SOC_DAPM_INPUT("RIN4"),
274
275 /* Outputs */
276 SND_SOC_DAPM_OUTPUT("LOUT1"),
277 SND_SOC_DAPM_OUTPUT("ROUT1"),
278 SND_SOC_DAPM_OUTPUT("LOUT2"),
279 SND_SOC_DAPM_OUTPUT("ROUT2"),
280 SND_SOC_DAPM_OUTPUT("LOUT3"),
281 SND_SOC_DAPM_OUTPUT("ROUT3"),
282
283 /* DAC */
284 SND_SOC_DAPM_DAC("DAC Left", "Left HiFi Playback",
285 AK4671_AD_DA_POWER_MANAGEMENT, 6, 0),
286 SND_SOC_DAPM_DAC("DAC Right", "Right HiFi Playback",
287 AK4671_AD_DA_POWER_MANAGEMENT, 7, 0),
288
289 /* ADC */
290 SND_SOC_DAPM_ADC("ADC Left", "Left HiFi Capture",
291 AK4671_AD_DA_POWER_MANAGEMENT, 4, 0),
292 SND_SOC_DAPM_ADC("ADC Right", "Right HiFi Capture",
293 AK4671_AD_DA_POWER_MANAGEMENT, 5, 0),
294
295 /* PGA */
296 SND_SOC_DAPM_PGA("LOUT2 Mix Amp",
297 AK4671_LOUT2_POWER_MANAGERMENT, 5, 0, NULL, 0),
298 SND_SOC_DAPM_PGA("ROUT2 Mix Amp",
299 AK4671_LOUT2_POWER_MANAGERMENT, 6, 0, NULL, 0),
300
301 SND_SOC_DAPM_PGA("LIN1 Mixing Circuit",
302 AK4671_MIXING_POWER_MANAGEMENT1, 0, 0, NULL, 0),
303 SND_SOC_DAPM_PGA("RIN1 Mixing Circuit",
304 AK4671_MIXING_POWER_MANAGEMENT1, 1, 0, NULL, 0),
305 SND_SOC_DAPM_PGA("LIN2 Mixing Circuit",
306 AK4671_MIXING_POWER_MANAGEMENT1, 2, 0, NULL, 0),
307 SND_SOC_DAPM_PGA("RIN2 Mixing Circuit",
308 AK4671_MIXING_POWER_MANAGEMENT1, 3, 0, NULL, 0),
309 SND_SOC_DAPM_PGA("LIN3 Mixing Circuit",
310 AK4671_MIXING_POWER_MANAGEMENT1, 4, 0, NULL, 0),
311 SND_SOC_DAPM_PGA("RIN3 Mixing Circuit",
312 AK4671_MIXING_POWER_MANAGEMENT1, 5, 0, NULL, 0),
313 SND_SOC_DAPM_PGA("LIN4 Mixing Circuit",
314 AK4671_MIXING_POWER_MANAGEMENT1, 6, 0, NULL, 0),
315 SND_SOC_DAPM_PGA("RIN4 Mixing Circuit",
316 AK4671_MIXING_POWER_MANAGEMENT1, 7, 0, NULL, 0),
317
318 /* Output Mixers */
319 SND_SOC_DAPM_MIXER("LOUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 0, 0,
320 &ak4671_lout1_mixer_controls[0],
321 ARRAY_SIZE(ak4671_lout1_mixer_controls)),
322 SND_SOC_DAPM_MIXER("ROUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 1, 0,
323 &ak4671_rout1_mixer_controls[0],
324 ARRAY_SIZE(ak4671_rout1_mixer_controls)),
325 SND_SOC_DAPM_MIXER_E("LOUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT,
326 0, 0, &ak4671_lout2_mixer_controls[0],
327 ARRAY_SIZE(ak4671_lout2_mixer_controls),
328 ak4671_out2_event,
329 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD),
330 SND_SOC_DAPM_MIXER_E("ROUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT,
331 1, 0, &ak4671_rout2_mixer_controls[0],
332 ARRAY_SIZE(ak4671_rout2_mixer_controls),
333 ak4671_out2_event,
334 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD),
335 SND_SOC_DAPM_MIXER("LOUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 0, 0,
336 &ak4671_lout3_mixer_controls[0],
337 ARRAY_SIZE(ak4671_lout3_mixer_controls)),
338 SND_SOC_DAPM_MIXER("ROUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 1, 0,
339 &ak4671_rout3_mixer_controls[0],
340 ARRAY_SIZE(ak4671_rout3_mixer_controls)),
341
342 /* Input MUXs */
343 SND_SOC_DAPM_MUX("LIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 2, 0,
344 &ak4671_lin_mux_control),
345 SND_SOC_DAPM_MUX("RIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 3, 0,
346 &ak4671_rin_mux_control),
347
348 /* Mic Power */
349 SND_SOC_DAPM_MICBIAS("Mic Bias", AK4671_AD_DA_POWER_MANAGEMENT, 1, 0),
350
351 /* Supply */
352 SND_SOC_DAPM_SUPPLY("PMPLL", AK4671_PLL_MODE_SELECT1, 0, 0, NULL, 0),
353 };
354
355 static const struct snd_soc_dapm_route intercon[] = {
356 {"DAC Left", "NULL", "PMPLL"},
357 {"DAC Right", "NULL", "PMPLL"},
358 {"ADC Left", "NULL", "PMPLL"},
359 {"ADC Right", "NULL", "PMPLL"},
360
361 /* Outputs */
362 {"LOUT1", "NULL", "LOUT1 Mixer"},
363 {"ROUT1", "NULL", "ROUT1 Mixer"},
364 {"LOUT2", "NULL", "LOUT2 Mix Amp"},
365 {"ROUT2", "NULL", "ROUT2 Mix Amp"},
366 {"LOUT3", "NULL", "LOUT3 Mixer"},
367 {"ROUT3", "NULL", "ROUT3 Mixer"},
368
369 {"LOUT1 Mixer", "DACL", "DAC Left"},
370 {"ROUT1 Mixer", "DACR", "DAC Right"},
371 {"LOUT2 Mixer", "DACHL", "DAC Left"},
372 {"ROUT2 Mixer", "DACHR", "DAC Right"},
373 {"LOUT2 Mix Amp", "NULL", "LOUT2 Mixer"},
374 {"ROUT2 Mix Amp", "NULL", "ROUT2 Mixer"},
375 {"LOUT3 Mixer", "DACSL", "DAC Left"},
376 {"ROUT3 Mixer", "DACSR", "DAC Right"},
377
378 /* Inputs */
379 {"LIN MUX", "LIN1", "LIN1"},
380 {"LIN MUX", "LIN2", "LIN2"},
381 {"LIN MUX", "LIN3", "LIN3"},
382 {"LIN MUX", "LIN4", "LIN4"},
383
384 {"RIN MUX", "RIN1", "RIN1"},
385 {"RIN MUX", "RIN2", "RIN2"},
386 {"RIN MUX", "RIN3", "RIN3"},
387 {"RIN MUX", "RIN4", "RIN4"},
388
389 {"LIN1", NULL, "Mic Bias"},
390 {"RIN1", NULL, "Mic Bias"},
391 {"LIN2", NULL, "Mic Bias"},
392 {"RIN2", NULL, "Mic Bias"},
393
394 {"ADC Left", "NULL", "LIN MUX"},
395 {"ADC Right", "NULL", "RIN MUX"},
396
397 /* Analog Loops */
398 {"LIN1 Mixing Circuit", "NULL", "LIN1"},
399 {"RIN1 Mixing Circuit", "NULL", "RIN1"},
400 {"LIN2 Mixing Circuit", "NULL", "LIN2"},
401 {"RIN2 Mixing Circuit", "NULL", "RIN2"},
402 {"LIN3 Mixing Circuit", "NULL", "LIN3"},
403 {"RIN3 Mixing Circuit", "NULL", "RIN3"},
404 {"LIN4 Mixing Circuit", "NULL", "LIN4"},
405 {"RIN4 Mixing Circuit", "NULL", "RIN4"},
406
407 {"LOUT1 Mixer", "LINL1", "LIN1 Mixing Circuit"},
408 {"ROUT1 Mixer", "RINR1", "RIN1 Mixing Circuit"},
409 {"LOUT2 Mixer", "LINH1", "LIN1 Mixing Circuit"},
410 {"ROUT2 Mixer", "RINH1", "RIN1 Mixing Circuit"},
411 {"LOUT3 Mixer", "LINS1", "LIN1 Mixing Circuit"},
412 {"ROUT3 Mixer", "RINS1", "RIN1 Mixing Circuit"},
413
414 {"LOUT1 Mixer", "LINL2", "LIN2 Mixing Circuit"},
415 {"ROUT1 Mixer", "RINR2", "RIN2 Mixing Circuit"},
416 {"LOUT2 Mixer", "LINH2", "LIN2 Mixing Circuit"},
417 {"ROUT2 Mixer", "RINH2", "RIN2 Mixing Circuit"},
418 {"LOUT3 Mixer", "LINS2", "LIN2 Mixing Circuit"},
419 {"ROUT3 Mixer", "RINS2", "RIN2 Mixing Circuit"},
420
421 {"LOUT1 Mixer", "LINL3", "LIN3 Mixing Circuit"},
422 {"ROUT1 Mixer", "RINR3", "RIN3 Mixing Circuit"},
423 {"LOUT2 Mixer", "LINH3", "LIN3 Mixing Circuit"},
424 {"ROUT2 Mixer", "RINH3", "RIN3 Mixing Circuit"},
425 {"LOUT3 Mixer", "LINS3", "LIN3 Mixing Circuit"},
426 {"ROUT3 Mixer", "RINS3", "RIN3 Mixing Circuit"},
427
428 {"LOUT1 Mixer", "LINL4", "LIN4 Mixing Circuit"},
429 {"ROUT1 Mixer", "RINR4", "RIN4 Mixing Circuit"},
430 {"LOUT2 Mixer", "LINH4", "LIN4 Mixing Circuit"},
431 {"ROUT2 Mixer", "RINH4", "RIN4 Mixing Circuit"},
432 {"LOUT3 Mixer", "LINS4", "LIN4 Mixing Circuit"},
433 {"ROUT3 Mixer", "RINS4", "RIN4 Mixing Circuit"},
434 };
435
436 static int ak4671_add_widgets(struct snd_soc_codec *codec)
437 {
438 struct snd_soc_dapm_context *dapm = &codec->dapm;
439
440 snd_soc_dapm_new_controls(dapm, ak4671_dapm_widgets,
441 ARRAY_SIZE(ak4671_dapm_widgets));
442 snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
443
444 return 0;
445 }
446
447 static int ak4671_hw_params(struct snd_pcm_substream *substream,
448 struct snd_pcm_hw_params *params,
449 struct snd_soc_dai *dai)
450 {
451 struct snd_soc_codec *codec = dai->codec;
452 u8 fs;
453
454 fs = snd_soc_read(codec, AK4671_PLL_MODE_SELECT0);
455 fs &= ~AK4671_FS;
456
457 switch (params_rate(params)) {
458 case 8000:
459 fs |= AK4671_FS_8KHZ;
460 break;
461 case 12000:
462 fs |= AK4671_FS_12KHZ;
463 break;
464 case 16000:
465 fs |= AK4671_FS_16KHZ;
466 break;
467 case 24000:
468 fs |= AK4671_FS_24KHZ;
469 break;
470 case 11025:
471 fs |= AK4671_FS_11_025KHZ;
472 break;
473 case 22050:
474 fs |= AK4671_FS_22_05KHZ;
475 break;
476 case 32000:
477 fs |= AK4671_FS_32KHZ;
478 break;
479 case 44100:
480 fs |= AK4671_FS_44_1KHZ;
481 break;
482 case 48000:
483 fs |= AK4671_FS_48KHZ;
484 break;
485 default:
486 return -EINVAL;
487 }
488
489 snd_soc_write(codec, AK4671_PLL_MODE_SELECT0, fs);
490
491 return 0;
492 }
493
494 static int ak4671_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
495 unsigned int freq, int dir)
496 {
497 struct snd_soc_codec *codec = dai->codec;
498 u8 pll;
499
500 pll = snd_soc_read(codec, AK4671_PLL_MODE_SELECT0);
501 pll &= ~AK4671_PLL;
502
503 switch (freq) {
504 case 11289600:
505 pll |= AK4671_PLL_11_2896MHZ;
506 break;
507 case 12000000:
508 pll |= AK4671_PLL_12MHZ;
509 break;
510 case 12288000:
511 pll |= AK4671_PLL_12_288MHZ;
512 break;
513 case 13000000:
514 pll |= AK4671_PLL_13MHZ;
515 break;
516 case 13500000:
517 pll |= AK4671_PLL_13_5MHZ;
518 break;
519 case 19200000:
520 pll |= AK4671_PLL_19_2MHZ;
521 break;
522 case 24000000:
523 pll |= AK4671_PLL_24MHZ;
524 break;
525 case 26000000:
526 pll |= AK4671_PLL_26MHZ;
527 break;
528 case 27000000:
529 pll |= AK4671_PLL_27MHZ;
530 break;
531 default:
532 return -EINVAL;
533 }
534
535 snd_soc_write(codec, AK4671_PLL_MODE_SELECT0, pll);
536
537 return 0;
538 }
539
540 static int ak4671_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
541 {
542 struct snd_soc_codec *codec = dai->codec;
543 u8 mode;
544 u8 format;
545
546 /* set master/slave audio interface */
547 mode = snd_soc_read(codec, AK4671_PLL_MODE_SELECT1);
548
549 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
550 case SND_SOC_DAIFMT_CBM_CFM:
551 mode |= AK4671_M_S;
552 break;
553 case SND_SOC_DAIFMT_CBM_CFS:
554 mode &= ~(AK4671_M_S);
555 break;
556 default:
557 return -EINVAL;
558 }
559
560 /* interface format */
561 format = snd_soc_read(codec, AK4671_FORMAT_SELECT);
562 format &= ~AK4671_DIF;
563
564 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
565 case SND_SOC_DAIFMT_I2S:
566 format |= AK4671_DIF_I2S_MODE;
567 break;
568 case SND_SOC_DAIFMT_LEFT_J:
569 format |= AK4671_DIF_MSB_MODE;
570 break;
571 case SND_SOC_DAIFMT_DSP_A:
572 format |= AK4671_DIF_DSP_MODE;
573 format |= AK4671_BCKP;
574 format |= AK4671_MSBS;
575 break;
576 default:
577 return -EINVAL;
578 }
579
580 /* set mode and format */
581 snd_soc_write(codec, AK4671_PLL_MODE_SELECT1, mode);
582 snd_soc_write(codec, AK4671_FORMAT_SELECT, format);
583
584 return 0;
585 }
586
587 static int ak4671_set_bias_level(struct snd_soc_codec *codec,
588 enum snd_soc_bias_level level)
589 {
590 u8 reg;
591
592 switch (level) {
593 case SND_SOC_BIAS_ON:
594 case SND_SOC_BIAS_PREPARE:
595 case SND_SOC_BIAS_STANDBY:
596 reg = snd_soc_read(codec, AK4671_AD_DA_POWER_MANAGEMENT);
597 snd_soc_write(codec, AK4671_AD_DA_POWER_MANAGEMENT,
598 reg | AK4671_PMVCM);
599 break;
600 case SND_SOC_BIAS_OFF:
601 snd_soc_write(codec, AK4671_AD_DA_POWER_MANAGEMENT, 0x00);
602 break;
603 }
604 codec->dapm.bias_level = level;
605 return 0;
606 }
607
608 #define AK4671_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
609 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
610 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
611 SNDRV_PCM_RATE_48000)
612
613 #define AK4671_FORMATS SNDRV_PCM_FMTBIT_S16_LE
614
615 static struct snd_soc_dai_ops ak4671_dai_ops = {
616 .hw_params = ak4671_hw_params,
617 .set_sysclk = ak4671_set_dai_sysclk,
618 .set_fmt = ak4671_set_dai_fmt,
619 };
620
621 static struct snd_soc_dai_driver ak4671_dai = {
622 .name = "ak4671-hifi",
623 .playback = {
624 .stream_name = "Playback",
625 .channels_min = 1,
626 .channels_max = 2,
627 .rates = AK4671_RATES,
628 .formats = AK4671_FORMATS,},
629 .capture = {
630 .stream_name = "Capture",
631 .channels_min = 1,
632 .channels_max = 2,
633 .rates = AK4671_RATES,
634 .formats = AK4671_FORMATS,},
635 .ops = &ak4671_dai_ops,
636 };
637
638 static int ak4671_probe(struct snd_soc_codec *codec)
639 {
640 struct ak4671_priv *ak4671 = snd_soc_codec_get_drvdata(codec);
641 int ret;
642
643 codec->hw_write = (hw_write_t)i2c_master_send;
644
645 ret = snd_soc_codec_set_cache_io(codec, 8, 8, ak4671->control_type);
646 if (ret < 0) {
647 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
648 return ret;
649 }
650
651 snd_soc_add_controls(codec, ak4671_snd_controls,
652 ARRAY_SIZE(ak4671_snd_controls));
653 ak4671_add_widgets(codec);
654
655 ak4671_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
656
657 return ret;
658 }
659
660 static int ak4671_remove(struct snd_soc_codec *codec)
661 {
662 ak4671_set_bias_level(codec, SND_SOC_BIAS_OFF);
663 return 0;
664 }
665
666 static struct snd_soc_codec_driver soc_codec_dev_ak4671 = {
667 .probe = ak4671_probe,
668 .remove = ak4671_remove,
669 .set_bias_level = ak4671_set_bias_level,
670 .reg_cache_size = AK4671_CACHEREGNUM,
671 .reg_word_size = sizeof(u8),
672 .reg_cache_default = ak4671_reg,
673 };
674
675 static int __devinit ak4671_i2c_probe(struct i2c_client *client,
676 const struct i2c_device_id *id)
677 {
678 struct ak4671_priv *ak4671;
679 int ret;
680
681 ak4671 = kzalloc(sizeof(struct ak4671_priv), GFP_KERNEL);
682 if (ak4671 == NULL)
683 return -ENOMEM;
684
685 i2c_set_clientdata(client, ak4671);
686 ak4671->control_data = client;
687 ak4671->control_type = SND_SOC_I2C;
688
689 ret = snd_soc_register_codec(&client->dev,
690 &soc_codec_dev_ak4671, &ak4671_dai, 1);
691 if (ret < 0)
692 kfree(ak4671);
693 return ret;
694 }
695
696 static __devexit int ak4671_i2c_remove(struct i2c_client *client)
697 {
698 snd_soc_unregister_codec(&client->dev);
699 kfree(i2c_get_clientdata(client));
700 return 0;
701 }
702
703 static const struct i2c_device_id ak4671_i2c_id[] = {
704 { "ak4671", 0 },
705 { }
706 };
707 MODULE_DEVICE_TABLE(i2c, ak4671_i2c_id);
708
709 static struct i2c_driver ak4671_i2c_driver = {
710 .driver = {
711 .name = "ak4671-codec",
712 .owner = THIS_MODULE,
713 },
714 .probe = ak4671_i2c_probe,
715 .remove = __devexit_p(ak4671_i2c_remove),
716 .id_table = ak4671_i2c_id,
717 };
718
719 static int __init ak4671_modinit(void)
720 {
721 return i2c_add_driver(&ak4671_i2c_driver);
722 }
723 module_init(ak4671_modinit);
724
725 static void __exit ak4671_exit(void)
726 {
727 i2c_del_driver(&ak4671_i2c_driver);
728 }
729 module_exit(ak4671_exit);
730
731 MODULE_DESCRIPTION("ASoC AK4671 codec driver");
732 MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
733 MODULE_LICENSE("GPL");
Linux with added FPC-III support