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sysfs: Serialize updates to the vfs inode
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / sound / soc / codecs / ak4671.c
blob82fca284d00761c67ed920c000236b4e9fbd5bf8
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 <sound/soc.h>
19 #include <sound/soc-dapm.h>
20 #include <sound/initval.h>
21 #include <sound/tlv.h>
22
23 #include "ak4671.h"
24
25 static struct snd_soc_codec *ak4671_codec;
26
27 /* codec private data */
28 struct ak4671_priv {
29 struct snd_soc_codec codec;
30 u8 reg_cache[AK4671_CACHEREGNUM];
31 };
32
33 /* ak4671 register cache & default register settings */
34 static const u8 ak4671_reg[AK4671_CACHEREGNUM] = {
35 0x00, /* AK4671_AD_DA_POWER_MANAGEMENT (0x00) */
36 0xf6, /* AK4671_PLL_MODE_SELECT0 (0x01) */
37 0x00, /* AK4671_PLL_MODE_SELECT1 (0x02) */
38 0x02, /* AK4671_FORMAT_SELECT (0x03) */
39 0x00, /* AK4671_MIC_SIGNAL_SELECT (0x04) */
40 0x55, /* AK4671_MIC_AMP_GAIN (0x05) */
41 0x00, /* AK4671_MIXING_POWER_MANAGEMENT0 (0x06) */
42 0x00, /* AK4671_MIXING_POWER_MANAGEMENT1 (0x07) */
43 0xb5, /* AK4671_OUTPUT_VOLUME_CONTROL (0x08) */
44 0x00, /* AK4671_LOUT1_SIGNAL_SELECT (0x09) */
45 0x00, /* AK4671_ROUT1_SIGNAL_SELECT (0x0a) */
46 0x00, /* AK4671_LOUT2_SIGNAL_SELECT (0x0b) */
47 0x00, /* AK4671_ROUT2_SIGNAL_SELECT (0x0c) */
48 0x00, /* AK4671_LOUT3_SIGNAL_SELECT (0x0d) */
49 0x00, /* AK4671_ROUT3_SIGNAL_SELECT (0x0e) */
50 0x00, /* AK4671_LOUT1_POWER_MANAGERMENT (0x0f) */
51 0x00, /* AK4671_LOUT2_POWER_MANAGERMENT (0x10) */
52 0x80, /* AK4671_LOUT3_POWER_MANAGERMENT (0x11) */
53 0x91, /* AK4671_LCH_INPUT_VOLUME_CONTROL (0x12) */
54 0x91, /* AK4671_RCH_INPUT_VOLUME_CONTROL (0x13) */
55 0xe1, /* AK4671_ALC_REFERENCE_SELECT (0x14) */
56 0x00, /* AK4671_DIGITAL_MIXING_CONTROL (0x15) */
57 0x00, /* AK4671_ALC_TIMER_SELECT (0x16) */
58 0x00, /* AK4671_ALC_MODE_CONTROL (0x17) */
59 0x02, /* AK4671_MODE_CONTROL1 (0x18) */
60 0x01, /* AK4671_MODE_CONTROL2 (0x19) */
61 0x18, /* AK4671_LCH_OUTPUT_VOLUME_CONTROL (0x1a) */
62 0x18, /* AK4671_RCH_OUTPUT_VOLUME_CONTROL (0x1b) */
63 0x00, /* AK4671_SIDETONE_A_CONTROL (0x1c) */
64 0x02, /* AK4671_DIGITAL_FILTER_SELECT (0x1d) */
65 0x00, /* AK4671_FIL3_COEFFICIENT0 (0x1e) */
66 0x00, /* AK4671_FIL3_COEFFICIENT1 (0x1f) */
67 0x00, /* AK4671_FIL3_COEFFICIENT2 (0x20) */
68 0x00, /* AK4671_FIL3_COEFFICIENT3 (0x21) */
69 0x00, /* AK4671_EQ_COEFFICIENT0 (0x22) */
70 0x00, /* AK4671_EQ_COEFFICIENT1 (0x23) */
71 0x00, /* AK4671_EQ_COEFFICIENT2 (0x24) */
72 0x00, /* AK4671_EQ_COEFFICIENT3 (0x25) */
73 0x00, /* AK4671_EQ_COEFFICIENT4 (0x26) */
74 0x00, /* AK4671_EQ_COEFFICIENT5 (0x27) */
75 0xa9, /* AK4671_FIL1_COEFFICIENT0 (0x28) */
76 0x1f, /* AK4671_FIL1_COEFFICIENT1 (0x29) */
77 0xad, /* AK4671_FIL1_COEFFICIENT2 (0x2a) */
78 0x20, /* AK4671_FIL1_COEFFICIENT3 (0x2b) */
79 0x00, /* AK4671_FIL2_COEFFICIENT0 (0x2c) */
80 0x00, /* AK4671_FIL2_COEFFICIENT1 (0x2d) */
81 0x00, /* AK4671_FIL2_COEFFICIENT2 (0x2e) */
82 0x00, /* AK4671_FIL2_COEFFICIENT3 (0x2f) */
83 0x00, /* AK4671_DIGITAL_FILTER_SELECT2 (0x30) */
84 0x00, /* this register not used */
85 0x00, /* AK4671_E1_COEFFICIENT0 (0x32) */
86 0x00, /* AK4671_E1_COEFFICIENT1 (0x33) */
87 0x00, /* AK4671_E1_COEFFICIENT2 (0x34) */
88 0x00, /* AK4671_E1_COEFFICIENT3 (0x35) */
89 0x00, /* AK4671_E1_COEFFICIENT4 (0x36) */
90 0x00, /* AK4671_E1_COEFFICIENT5 (0x37) */
91 0x00, /* AK4671_E2_COEFFICIENT0 (0x38) */
92 0x00, /* AK4671_E2_COEFFICIENT1 (0x39) */
93 0x00, /* AK4671_E2_COEFFICIENT2 (0x3a) */
94 0x00, /* AK4671_E2_COEFFICIENT3 (0x3b) */
95 0x00, /* AK4671_E2_COEFFICIENT4 (0x3c) */
96 0x00, /* AK4671_E2_COEFFICIENT5 (0x3d) */
97 0x00, /* AK4671_E3_COEFFICIENT0 (0x3e) */
98 0x00, /* AK4671_E3_COEFFICIENT1 (0x3f) */
99 0x00, /* AK4671_E3_COEFFICIENT2 (0x40) */
100 0x00, /* AK4671_E3_COEFFICIENT3 (0x41) */
101 0x00, /* AK4671_E3_COEFFICIENT4 (0x42) */
102 0x00, /* AK4671_E3_COEFFICIENT5 (0x43) */
103 0x00, /* AK4671_E4_COEFFICIENT0 (0x44) */
104 0x00, /* AK4671_E4_COEFFICIENT1 (0x45) */
105 0x00, /* AK4671_E4_COEFFICIENT2 (0x46) */
106 0x00, /* AK4671_E4_COEFFICIENT3 (0x47) */
107 0x00, /* AK4671_E4_COEFFICIENT4 (0x48) */
108 0x00, /* AK4671_E4_COEFFICIENT5 (0x49) */
109 0x00, /* AK4671_E5_COEFFICIENT0 (0x4a) */
110 0x00, /* AK4671_E5_COEFFICIENT1 (0x4b) */
111 0x00, /* AK4671_E5_COEFFICIENT2 (0x4c) */
112 0x00, /* AK4671_E5_COEFFICIENT3 (0x4d) */
113 0x00, /* AK4671_E5_COEFFICIENT4 (0x4e) */
114 0x00, /* AK4671_E5_COEFFICIENT5 (0x4f) */
115 0x88, /* AK4671_EQ_CONTROL_250HZ_100HZ (0x50) */
116 0x88, /* AK4671_EQ_CONTROL_3500HZ_1KHZ (0x51) */
117 0x08, /* AK4671_EQ_CONTRO_10KHZ (0x52) */
118 0x00, /* AK4671_PCM_IF_CONTROL0 (0x53) */
119 0x00, /* AK4671_PCM_IF_CONTROL1 (0x54) */
120 0x00, /* AK4671_PCM_IF_CONTROL2 (0x55) */
121 0x18, /* AK4671_DIGITAL_VOLUME_B_CONTROL (0x56) */
122 0x18, /* AK4671_DIGITAL_VOLUME_C_CONTROL (0x57) */
123 0x00, /* AK4671_SIDETONE_VOLUME_CONTROL (0x58) */
124 0x00, /* AK4671_DIGITAL_MIXING_CONTROL2 (0x59) */
125 0x00, /* AK4671_SAR_ADC_CONTROL (0x5a) */
126 };
127
128 /*
129 * LOUT1/ROUT1 output volume control:
130 * from -24 to 6 dB in 6 dB steps (mute instead of -30 dB)
131 */
132 static DECLARE_TLV_DB_SCALE(out1_tlv, -3000, 600, 1);
133
134 /*
135 * LOUT2/ROUT2 output volume control:
136 * from -33 to 6 dB in 3 dB steps (mute instead of -33 dB)
137 */
138 static DECLARE_TLV_DB_SCALE(out2_tlv, -3300, 300, 1);
139
140 /*
141 * LOUT3/ROUT3 output volume control:
142 * from -6 to 3 dB in 3 dB steps
143 */
144 static DECLARE_TLV_DB_SCALE(out3_tlv, -600, 300, 0);
145
146 /*
147 * Mic amp gain control:
148 * from -15 to 30 dB in 3 dB steps
149 * REVISIT: The actual min value(0x01) is -12 dB and the reg value 0x00 is not
150 * available
151 */
152 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, -1500, 300, 0);
153
154 static const struct snd_kcontrol_new ak4671_snd_controls[] = {
155 /* Common playback gain controls */
156 SOC_SINGLE_TLV("Line Output1 Playback Volume",
157 AK4671_OUTPUT_VOLUME_CONTROL, 0, 0x6, 0, out1_tlv),
158 SOC_SINGLE_TLV("Headphone Output2 Playback Volume",
159 AK4671_OUTPUT_VOLUME_CONTROL, 4, 0xd, 0, out2_tlv),
160 SOC_SINGLE_TLV("Line Output3 Playback Volume",
161 AK4671_LOUT3_POWER_MANAGERMENT, 6, 0x3, 0, out3_tlv),
162
163 /* Common capture gain controls */
164 SOC_DOUBLE_TLV("Mic Amp Capture Volume",
165 AK4671_MIC_AMP_GAIN, 0, 4, 0xf, 0, mic_amp_tlv),
166 };
167
168 /* event handlers */
169 static int ak4671_out2_event(struct snd_soc_dapm_widget *w,
170 struct snd_kcontrol *kcontrol, int event)
171 {
172 struct snd_soc_codec *codec = w->codec;
173 u8 reg;
174
175 switch (event) {
176 case SND_SOC_DAPM_POST_PMU:
177 reg = snd_soc_read(codec, AK4671_LOUT2_POWER_MANAGERMENT);
178 reg |= AK4671_MUTEN;
179 snd_soc_write(codec, AK4671_LOUT2_POWER_MANAGERMENT, reg);
180 break;
181 case SND_SOC_DAPM_PRE_PMD:
182 reg = snd_soc_read(codec, AK4671_LOUT2_POWER_MANAGERMENT);
183 reg &= ~AK4671_MUTEN;
184 snd_soc_write(codec, AK4671_LOUT2_POWER_MANAGERMENT, reg);
185 break;
186 }
187
188 return 0;
189 }
190
191 /* Output Mixers */
192 static const struct snd_kcontrol_new ak4671_lout1_mixer_controls[] = {
193 SOC_DAPM_SINGLE("DACL", AK4671_LOUT1_SIGNAL_SELECT, 0, 1, 0),
194 SOC_DAPM_SINGLE("LINL1", AK4671_LOUT1_SIGNAL_SELECT, 1, 1, 0),
195 SOC_DAPM_SINGLE("LINL2", AK4671_LOUT1_SIGNAL_SELECT, 2, 1, 0),
196 SOC_DAPM_SINGLE("LINL3", AK4671_LOUT1_SIGNAL_SELECT, 3, 1, 0),
197 SOC_DAPM_SINGLE("LINL4", AK4671_LOUT1_SIGNAL_SELECT, 4, 1, 0),
198 SOC_DAPM_SINGLE("LOOPL", AK4671_LOUT1_SIGNAL_SELECT, 5, 1, 0),
199 };
200
201 static const struct snd_kcontrol_new ak4671_rout1_mixer_controls[] = {
202 SOC_DAPM_SINGLE("DACR", AK4671_ROUT1_SIGNAL_SELECT, 0, 1, 0),
203 SOC_DAPM_SINGLE("RINR1", AK4671_ROUT1_SIGNAL_SELECT, 1, 1, 0),
204 SOC_DAPM_SINGLE("RINR2", AK4671_ROUT1_SIGNAL_SELECT, 2, 1, 0),
205 SOC_DAPM_SINGLE("RINR3", AK4671_ROUT1_SIGNAL_SELECT, 3, 1, 0),
206 SOC_DAPM_SINGLE("RINR4", AK4671_ROUT1_SIGNAL_SELECT, 4, 1, 0),
207 SOC_DAPM_SINGLE("LOOPR", AK4671_ROUT1_SIGNAL_SELECT, 5, 1, 0),
208 };
209
210 static const struct snd_kcontrol_new ak4671_lout2_mixer_controls[] = {
211 SOC_DAPM_SINGLE("DACHL", AK4671_LOUT2_SIGNAL_SELECT, 0, 1, 0),
212 SOC_DAPM_SINGLE("LINH1", AK4671_LOUT2_SIGNAL_SELECT, 1, 1, 0),
213 SOC_DAPM_SINGLE("LINH2", AK4671_LOUT2_SIGNAL_SELECT, 2, 1, 0),
214 SOC_DAPM_SINGLE("LINH3", AK4671_LOUT2_SIGNAL_SELECT, 3, 1, 0),
215 SOC_DAPM_SINGLE("LINH4", AK4671_LOUT2_SIGNAL_SELECT, 4, 1, 0),
216 SOC_DAPM_SINGLE("LOOPHL", AK4671_LOUT2_SIGNAL_SELECT, 5, 1, 0),
217 };
218
219 static const struct snd_kcontrol_new ak4671_rout2_mixer_controls[] = {
220 SOC_DAPM_SINGLE("DACHR", AK4671_ROUT2_SIGNAL_SELECT, 0, 1, 0),
221 SOC_DAPM_SINGLE("RINH1", AK4671_ROUT2_SIGNAL_SELECT, 1, 1, 0),
222 SOC_DAPM_SINGLE("RINH2", AK4671_ROUT2_SIGNAL_SELECT, 2, 1, 0),
223 SOC_DAPM_SINGLE("RINH3", AK4671_ROUT2_SIGNAL_SELECT, 3, 1, 0),
224 SOC_DAPM_SINGLE("RINH4", AK4671_ROUT2_SIGNAL_SELECT, 4, 1, 0),
225 SOC_DAPM_SINGLE("LOOPHR", AK4671_ROUT2_SIGNAL_SELECT, 5, 1, 0),
226 };
227
228 static const struct snd_kcontrol_new ak4671_lout3_mixer_controls[] = {
229 SOC_DAPM_SINGLE("DACSL", AK4671_LOUT3_SIGNAL_SELECT, 0, 1, 0),
230 SOC_DAPM_SINGLE("LINS1", AK4671_LOUT3_SIGNAL_SELECT, 1, 1, 0),
231 SOC_DAPM_SINGLE("LINS2", AK4671_LOUT3_SIGNAL_SELECT, 2, 1, 0),
232 SOC_DAPM_SINGLE("LINS3", AK4671_LOUT3_SIGNAL_SELECT, 3, 1, 0),
233 SOC_DAPM_SINGLE("LINS4", AK4671_LOUT3_SIGNAL_SELECT, 4, 1, 0),
234 SOC_DAPM_SINGLE("LOOPSL", AK4671_LOUT3_SIGNAL_SELECT, 5, 1, 0),
235 };
236
237 static const struct snd_kcontrol_new ak4671_rout3_mixer_controls[] = {
238 SOC_DAPM_SINGLE("DACSR", AK4671_ROUT3_SIGNAL_SELECT, 0, 1, 0),
239 SOC_DAPM_SINGLE("RINS1", AK4671_ROUT3_SIGNAL_SELECT, 1, 1, 0),
240 SOC_DAPM_SINGLE("RINS2", AK4671_ROUT3_SIGNAL_SELECT, 2, 1, 0),
241 SOC_DAPM_SINGLE("RINS3", AK4671_ROUT3_SIGNAL_SELECT, 3, 1, 0),
242 SOC_DAPM_SINGLE("RINS4", AK4671_ROUT3_SIGNAL_SELECT, 4, 1, 0),
243 SOC_DAPM_SINGLE("LOOPSR", AK4671_ROUT3_SIGNAL_SELECT, 5, 1, 0),
244 };
245
246 /* Input MUXs */
247 static const char *ak4671_lin_mux_texts[] =
248 {"LIN1", "LIN2", "LIN3", "LIN4"};
249 static const struct soc_enum ak4671_lin_mux_enum =
250 SOC_ENUM_SINGLE(AK4671_MIC_SIGNAL_SELECT, 0,
251 ARRAY_SIZE(ak4671_lin_mux_texts),
252 ak4671_lin_mux_texts);
253 static const struct snd_kcontrol_new ak4671_lin_mux_control =
254 SOC_DAPM_ENUM("Route", ak4671_lin_mux_enum);
255
256 static const char *ak4671_rin_mux_texts[] =
257 {"RIN1", "RIN2", "RIN3", "RIN4"};
258 static const struct soc_enum ak4671_rin_mux_enum =
259 SOC_ENUM_SINGLE(AK4671_MIC_SIGNAL_SELECT, 2,
260 ARRAY_SIZE(ak4671_rin_mux_texts),
261 ak4671_rin_mux_texts);
262 static const struct snd_kcontrol_new ak4671_rin_mux_control =
263 SOC_DAPM_ENUM("Route", ak4671_rin_mux_enum);
264
265 static const struct snd_soc_dapm_widget ak4671_dapm_widgets[] = {
266 /* Inputs */
267 SND_SOC_DAPM_INPUT("LIN1"),
268 SND_SOC_DAPM_INPUT("RIN1"),
269 SND_SOC_DAPM_INPUT("LIN2"),
270 SND_SOC_DAPM_INPUT("RIN2"),
271 SND_SOC_DAPM_INPUT("LIN3"),
272 SND_SOC_DAPM_INPUT("RIN3"),
273 SND_SOC_DAPM_INPUT("LIN4"),
274 SND_SOC_DAPM_INPUT("RIN4"),
275
276 /* Outputs */
277 SND_SOC_DAPM_OUTPUT("LOUT1"),
278 SND_SOC_DAPM_OUTPUT("ROUT1"),
279 SND_SOC_DAPM_OUTPUT("LOUT2"),
280 SND_SOC_DAPM_OUTPUT("ROUT2"),
281 SND_SOC_DAPM_OUTPUT("LOUT3"),
282 SND_SOC_DAPM_OUTPUT("ROUT3"),
283
284 /* DAC */
285 SND_SOC_DAPM_DAC("DAC Left", "Left HiFi Playback",
286 AK4671_AD_DA_POWER_MANAGEMENT, 6, 0),
287 SND_SOC_DAPM_DAC("DAC Right", "Right HiFi Playback",
288 AK4671_AD_DA_POWER_MANAGEMENT, 7, 0),
289
290 /* ADC */
291 SND_SOC_DAPM_ADC("ADC Left", "Left HiFi Capture",
292 AK4671_AD_DA_POWER_MANAGEMENT, 4, 0),
293 SND_SOC_DAPM_ADC("ADC Right", "Right HiFi Capture",
294 AK4671_AD_DA_POWER_MANAGEMENT, 5, 0),
295
296 /* PGA */
297 SND_SOC_DAPM_PGA("LOUT2 Mix Amp",
298 AK4671_LOUT2_POWER_MANAGERMENT, 5, 0, NULL, 0),
299 SND_SOC_DAPM_PGA("ROUT2 Mix Amp",
300 AK4671_LOUT2_POWER_MANAGERMENT, 6, 0, NULL, 0),
301
302 SND_SOC_DAPM_PGA("LIN1 Mixing Circuit",
303 AK4671_MIXING_POWER_MANAGEMENT1, 0, 0, NULL, 0),
304 SND_SOC_DAPM_PGA("RIN1 Mixing Circuit",
305 AK4671_MIXING_POWER_MANAGEMENT1, 1, 0, NULL, 0),
306 SND_SOC_DAPM_PGA("LIN2 Mixing Circuit",
307 AK4671_MIXING_POWER_MANAGEMENT1, 2, 0, NULL, 0),
308 SND_SOC_DAPM_PGA("RIN2 Mixing Circuit",
309 AK4671_MIXING_POWER_MANAGEMENT1, 3, 0, NULL, 0),
310 SND_SOC_DAPM_PGA("LIN3 Mixing Circuit",
311 AK4671_MIXING_POWER_MANAGEMENT1, 4, 0, NULL, 0),
312 SND_SOC_DAPM_PGA("RIN3 Mixing Circuit",
313 AK4671_MIXING_POWER_MANAGEMENT1, 5, 0, NULL, 0),
314 SND_SOC_DAPM_PGA("LIN4 Mixing Circuit",
315 AK4671_MIXING_POWER_MANAGEMENT1, 6, 0, NULL, 0),
316 SND_SOC_DAPM_PGA("RIN4 Mixing Circuit",
317 AK4671_MIXING_POWER_MANAGEMENT1, 7, 0, NULL, 0),
318
319 /* Output Mixers */
320 SND_SOC_DAPM_MIXER("LOUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 0, 0,
321 &ak4671_lout1_mixer_controls[0],
322 ARRAY_SIZE(ak4671_lout1_mixer_controls)),
323 SND_SOC_DAPM_MIXER("ROUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 1, 0,
324 &ak4671_rout1_mixer_controls[0],
325 ARRAY_SIZE(ak4671_rout1_mixer_controls)),
326 SND_SOC_DAPM_MIXER_E("LOUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT,
327 0, 0, &ak4671_lout2_mixer_controls[0],
328 ARRAY_SIZE(ak4671_lout2_mixer_controls),
329 ak4671_out2_event,
330 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD),
331 SND_SOC_DAPM_MIXER_E("ROUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT,
332 1, 0, &ak4671_rout2_mixer_controls[0],
333 ARRAY_SIZE(ak4671_rout2_mixer_controls),
334 ak4671_out2_event,
335 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD),
336 SND_SOC_DAPM_MIXER("LOUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 0, 0,
337 &ak4671_lout3_mixer_controls[0],
338 ARRAY_SIZE(ak4671_lout3_mixer_controls)),
339 SND_SOC_DAPM_MIXER("ROUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 1, 0,
340 &ak4671_rout3_mixer_controls[0],
341 ARRAY_SIZE(ak4671_rout3_mixer_controls)),
342
343 /* Input MUXs */
344 SND_SOC_DAPM_MUX("LIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 2, 0,
345 &ak4671_lin_mux_control),
346 SND_SOC_DAPM_MUX("RIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 3, 0,
347 &ak4671_rin_mux_control),
348
349 /* Mic Power */
350 SND_SOC_DAPM_MICBIAS("Mic Bias", AK4671_AD_DA_POWER_MANAGEMENT, 1, 0),
351
352 /* Supply */
353 SND_SOC_DAPM_SUPPLY("PMPLL", AK4671_PLL_MODE_SELECT1, 0, 0, NULL, 0),
354 };
355
356 static const struct snd_soc_dapm_route intercon[] = {
357 {"DAC Left", "NULL", "PMPLL"},
358 {"DAC Right", "NULL", "PMPLL"},
359 {"ADC Left", "NULL", "PMPLL"},
360 {"ADC Right", "NULL", "PMPLL"},
361
362 /* Outputs */
363 {"LOUT1", "NULL", "LOUT1 Mixer"},
364 {"ROUT1", "NULL", "ROUT1 Mixer"},
365 {"LOUT2", "NULL", "LOUT2 Mix Amp"},
366 {"ROUT2", "NULL", "ROUT2 Mix Amp"},
367 {"LOUT3", "NULL", "LOUT3 Mixer"},
368 {"ROUT3", "NULL", "ROUT3 Mixer"},
369
370 {"LOUT1 Mixer", "DACL", "DAC Left"},
371 {"ROUT1 Mixer", "DACR", "DAC Right"},
372 {"LOUT2 Mixer", "DACHL", "DAC Left"},
373 {"ROUT2 Mixer", "DACHR", "DAC Right"},
374 {"LOUT2 Mix Amp", "NULL", "LOUT2 Mixer"},
375 {"ROUT2 Mix Amp", "NULL", "ROUT2 Mixer"},
376 {"LOUT3 Mixer", "DACSL", "DAC Left"},
377 {"ROUT3 Mixer", "DACSR", "DAC Right"},
378
379 /* Inputs */
380 {"LIN MUX", "LIN1", "LIN1"},
381 {"LIN MUX", "LIN2", "LIN2"},
382 {"LIN MUX", "LIN3", "LIN3"},
383 {"LIN MUX", "LIN4", "LIN4"},
384
385 {"RIN MUX", "RIN1", "RIN1"},
386 {"RIN MUX", "RIN2", "RIN2"},
387 {"RIN MUX", "RIN3", "RIN3"},
388 {"RIN MUX", "RIN4", "RIN4"},
389
390 {"LIN1", NULL, "Mic Bias"},
391 {"RIN1", NULL, "Mic Bias"},
392 {"LIN2", NULL, "Mic Bias"},
393 {"RIN2", NULL, "Mic Bias"},
394
395 {"ADC Left", "NULL", "LIN MUX"},
396 {"ADC Right", "NULL", "RIN MUX"},
397
398 /* Analog Loops */
399 {"LIN1 Mixing Circuit", "NULL", "LIN1"},
400 {"RIN1 Mixing Circuit", "NULL", "RIN1"},
401 {"LIN2 Mixing Circuit", "NULL", "LIN2"},
402 {"RIN2 Mixing Circuit", "NULL", "RIN2"},
403 {"LIN3 Mixing Circuit", "NULL", "LIN3"},
404 {"RIN3 Mixing Circuit", "NULL", "RIN3"},
405 {"LIN4 Mixing Circuit", "NULL", "LIN4"},
406 {"RIN4 Mixing Circuit", "NULL", "RIN4"},
407
408 {"LOUT1 Mixer", "LINL1", "LIN1 Mixing Circuit"},
409 {"ROUT1 Mixer", "RINR1", "RIN1 Mixing Circuit"},
410 {"LOUT2 Mixer", "LINH1", "LIN1 Mixing Circuit"},
411 {"ROUT2 Mixer", "RINH1", "RIN1 Mixing Circuit"},
412 {"LOUT3 Mixer", "LINS1", "LIN1 Mixing Circuit"},
413 {"ROUT3 Mixer", "RINS1", "RIN1 Mixing Circuit"},
414
415 {"LOUT1 Mixer", "LINL2", "LIN2 Mixing Circuit"},
416 {"ROUT1 Mixer", "RINR2", "RIN2 Mixing Circuit"},
417 {"LOUT2 Mixer", "LINH2", "LIN2 Mixing Circuit"},
418 {"ROUT2 Mixer", "RINH2", "RIN2 Mixing Circuit"},
419 {"LOUT3 Mixer", "LINS2", "LIN2 Mixing Circuit"},
420 {"ROUT3 Mixer", "RINS2", "RIN2 Mixing Circuit"},
421
422 {"LOUT1 Mixer", "LINL3", "LIN3 Mixing Circuit"},
423 {"ROUT1 Mixer", "RINR3", "RIN3 Mixing Circuit"},
424 {"LOUT2 Mixer", "LINH3", "LIN3 Mixing Circuit"},
425 {"ROUT2 Mixer", "RINH3", "RIN3 Mixing Circuit"},
426 {"LOUT3 Mixer", "LINS3", "LIN3 Mixing Circuit"},
427 {"ROUT3 Mixer", "RINS3", "RIN3 Mixing Circuit"},
428
429 {"LOUT1 Mixer", "LINL4", "LIN4 Mixing Circuit"},
430 {"ROUT1 Mixer", "RINR4", "RIN4 Mixing Circuit"},
431 {"LOUT2 Mixer", "LINH4", "LIN4 Mixing Circuit"},
432 {"ROUT2 Mixer", "RINH4", "RIN4 Mixing Circuit"},
433 {"LOUT3 Mixer", "LINS4", "LIN4 Mixing Circuit"},
434 {"ROUT3 Mixer", "RINS4", "RIN4 Mixing Circuit"},
435 };
436
437 static int ak4671_add_widgets(struct snd_soc_codec *codec)
438 {
439 snd_soc_dapm_new_controls(codec, ak4671_dapm_widgets,
440 ARRAY_SIZE(ak4671_dapm_widgets));
441
442 snd_soc_dapm_add_routes(codec, 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->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 struct snd_soc_dai ak4671_dai = {
622 .name = "AK4671",
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 EXPORT_SYMBOL_GPL(ak4671_dai);
638
639 static int ak4671_probe(struct platform_device *pdev)
640 {
641 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
642 struct snd_soc_codec *codec;
643 int ret = 0;
644
645 if (ak4671_codec == NULL) {
646 dev_err(&pdev->dev, "Codec device not registered\n");
647 return -ENODEV;
648 }
649
650 socdev->card->codec = ak4671_codec;
651 codec = ak4671_codec;
652
653 /* register pcms */
654 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
655 if (ret < 0) {
656 dev_err(codec->dev, "failed to create pcms: %d\n", ret);
657 goto pcm_err;
658 }
659
660 snd_soc_add_controls(codec, ak4671_snd_controls,
661 ARRAY_SIZE(ak4671_snd_controls));
662 ak4671_add_widgets(codec);
663
664 ak4671_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
665
666 return ret;
667
668 pcm_err:
669 return ret;
670 }
671
672 static int ak4671_remove(struct platform_device *pdev)
673 {
674 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
675
676 snd_soc_free_pcms(socdev);
677 snd_soc_dapm_free(socdev);
678
679 return 0;
680 }
681
682 struct snd_soc_codec_device soc_codec_dev_ak4671 = {
683 .probe = ak4671_probe,
684 .remove = ak4671_remove,
685 };
686 EXPORT_SYMBOL_GPL(soc_codec_dev_ak4671);
687
688 static int ak4671_register(struct ak4671_priv *ak4671,
689 enum snd_soc_control_type control)
690 {
691 int ret;
692 struct snd_soc_codec *codec = &ak4671->codec;
693
694 if (ak4671_codec) {
695 dev_err(codec->dev, "Another AK4671 is registered\n");
696 ret = -EINVAL;
697 goto err;
698 }
699
700 mutex_init(&codec->mutex);
701 INIT_LIST_HEAD(&codec->dapm_widgets);
702 INIT_LIST_HEAD(&codec->dapm_paths);
703
704 codec->private_data = ak4671;
705 codec->name = "AK4671";
706 codec->owner = THIS_MODULE;
707 codec->bias_level = SND_SOC_BIAS_OFF;
708 codec->set_bias_level = ak4671_set_bias_level;
709 codec->dai = &ak4671_dai;
710 codec->num_dai = 1;
711 codec->reg_cache_size = AK4671_CACHEREGNUM;
712 codec->reg_cache = &ak4671->reg_cache;
713
714 memcpy(codec->reg_cache, ak4671_reg, sizeof(ak4671_reg));
715
716 ret = snd_soc_codec_set_cache_io(codec, 8, 8, control);
717 if (ret < 0) {
718 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
719 goto err;
720 }
721
722 ak4671_dai.dev = codec->dev;
723 ak4671_codec = codec;
724
725 ret = snd_soc_register_codec(codec);
726 if (ret != 0) {
727 dev_err(codec->dev, "Failed to register codec: %d\n", ret);
728 goto err;
729 }
730
731 ret = snd_soc_register_dai(&ak4671_dai);
732 if (ret != 0) {
733 dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
734 goto err_codec;
735 }
736
737 return 0;
738
739 err_codec:
740 snd_soc_unregister_codec(codec);
741 err:
742 kfree(ak4671);
743 return ret;
744 }
745
746 static void ak4671_unregister(struct ak4671_priv *ak4671)
747 {
748 ak4671_set_bias_level(&ak4671->codec, SND_SOC_BIAS_OFF);
749 snd_soc_unregister_dai(&ak4671_dai);
750 snd_soc_unregister_codec(&ak4671->codec);
751 kfree(ak4671);
752 ak4671_codec = NULL;
753 }
754
755 static int __devinit ak4671_i2c_probe(struct i2c_client *client,
756 const struct i2c_device_id *id)
757 {
758 struct ak4671_priv *ak4671;
759 struct snd_soc_codec *codec;
760
761 ak4671 = kzalloc(sizeof(struct ak4671_priv), GFP_KERNEL);
762 if (ak4671 == NULL)
763 return -ENOMEM;
764
765 codec = &ak4671->codec;
766 codec->hw_write = (hw_write_t)i2c_master_send;
767
768 i2c_set_clientdata(client, ak4671);
769 codec->control_data = client;
770
771 codec->dev = &client->dev;
772
773 return ak4671_register(ak4671, SND_SOC_I2C);
774 }
775
776 static __devexit int ak4671_i2c_remove(struct i2c_client *client)
777 {
778 struct ak4671_priv *ak4671 = i2c_get_clientdata(client);
779
780 ak4671_unregister(ak4671);
781
782 return 0;
783 }
784
785 static const struct i2c_device_id ak4671_i2c_id[] = {
786 { "ak4671", 0 },
787 { }
788 };
789 MODULE_DEVICE_TABLE(i2c, ak4671_i2c_id);
790
791 static struct i2c_driver ak4671_i2c_driver = {
792 .driver = {
793 .name = "ak4671",
794 .owner = THIS_MODULE,
795 },
796 .probe = ak4671_i2c_probe,
797 .remove = __devexit_p(ak4671_i2c_remove),
798 .id_table = ak4671_i2c_id,
799 };
800
801 static int __init ak4671_modinit(void)
802 {
803 return i2c_add_driver(&ak4671_i2c_driver);
804 }
805 module_init(ak4671_modinit);
806
807 static void __exit ak4671_exit(void)
808 {
809 i2c_del_driver(&ak4671_i2c_driver);
810 }
811 module_exit(ak4671_exit);
812
813 MODULE_DESCRIPTION("ASoC AK4671 codec driver");
814 MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
815 MODULE_LICENSE("GPL");
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree