2 * ak4671.c -- audio driver for AK4671
4 * Copyright (C) 2009 Samsung Electronics Co.Ltd
5 * Author: Joonyoung Shim <jy0922.shim@samsung.com>
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.
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>
26 /* codec private data */
28 enum snd_soc_control_type control_type
;
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) */
127 * LOUT1/ROUT1 output volume control:
128 * from -24 to 6 dB in 6 dB steps (mute instead of -30 dB)
130 static DECLARE_TLV_DB_SCALE(out1_tlv
, -3000, 600, 1);
133 * LOUT2/ROUT2 output volume control:
134 * from -33 to 6 dB in 3 dB steps (mute instead of -33 dB)
136 static DECLARE_TLV_DB_SCALE(out2_tlv
, -3300, 300, 1);
139 * LOUT3/ROUT3 output volume control:
140 * from -6 to 3 dB in 3 dB steps
142 static DECLARE_TLV_DB_SCALE(out3_tlv
, -600, 300, 0);
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
150 static DECLARE_TLV_DB_SCALE(mic_amp_tlv
, -1500, 300, 0);
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
),
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
),
167 static int ak4671_out2_event(struct snd_soc_dapm_widget
*w
,
168 struct snd_kcontrol
*kcontrol
, int event
)
170 struct snd_soc_codec
*codec
= w
->codec
;
174 case SND_SOC_DAPM_POST_PMU
:
175 reg
= snd_soc_read(codec
, AK4671_LOUT2_POWER_MANAGERMENT
);
177 snd_soc_write(codec
, AK4671_LOUT2_POWER_MANAGERMENT
, reg
);
179 case SND_SOC_DAPM_PRE_PMD
:
180 reg
= snd_soc_read(codec
, AK4671_LOUT2_POWER_MANAGERMENT
);
181 reg
&= ~AK4671_MUTEN
;
182 snd_soc_write(codec
, AK4671_LOUT2_POWER_MANAGERMENT
, reg
);
190 static const struct snd_kcontrol_new ak4671_lout1_mixer_controls
[] = {
191 SOC_DAPM_SINGLE("DACL", AK4671_LOUT1_SIGNAL_SELECT
, 0, 1, 0),
192 SOC_DAPM_SINGLE("LINL1", AK4671_LOUT1_SIGNAL_SELECT
, 1, 1, 0),
193 SOC_DAPM_SINGLE("LINL2", AK4671_LOUT1_SIGNAL_SELECT
, 2, 1, 0),
194 SOC_DAPM_SINGLE("LINL3", AK4671_LOUT1_SIGNAL_SELECT
, 3, 1, 0),
195 SOC_DAPM_SINGLE("LINL4", AK4671_LOUT1_SIGNAL_SELECT
, 4, 1, 0),
196 SOC_DAPM_SINGLE("LOOPL", AK4671_LOUT1_SIGNAL_SELECT
, 5, 1, 0),
199 static const struct snd_kcontrol_new ak4671_rout1_mixer_controls
[] = {
200 SOC_DAPM_SINGLE("DACR", AK4671_ROUT1_SIGNAL_SELECT
, 0, 1, 0),
201 SOC_DAPM_SINGLE("RINR1", AK4671_ROUT1_SIGNAL_SELECT
, 1, 1, 0),
202 SOC_DAPM_SINGLE("RINR2", AK4671_ROUT1_SIGNAL_SELECT
, 2, 1, 0),
203 SOC_DAPM_SINGLE("RINR3", AK4671_ROUT1_SIGNAL_SELECT
, 3, 1, 0),
204 SOC_DAPM_SINGLE("RINR4", AK4671_ROUT1_SIGNAL_SELECT
, 4, 1, 0),
205 SOC_DAPM_SINGLE("LOOPR", AK4671_ROUT1_SIGNAL_SELECT
, 5, 1, 0),
208 static const struct snd_kcontrol_new ak4671_lout2_mixer_controls
[] = {
209 SOC_DAPM_SINGLE("DACHL", AK4671_LOUT2_SIGNAL_SELECT
, 0, 1, 0),
210 SOC_DAPM_SINGLE("LINH1", AK4671_LOUT2_SIGNAL_SELECT
, 1, 1, 0),
211 SOC_DAPM_SINGLE("LINH2", AK4671_LOUT2_SIGNAL_SELECT
, 2, 1, 0),
212 SOC_DAPM_SINGLE("LINH3", AK4671_LOUT2_SIGNAL_SELECT
, 3, 1, 0),
213 SOC_DAPM_SINGLE("LINH4", AK4671_LOUT2_SIGNAL_SELECT
, 4, 1, 0),
214 SOC_DAPM_SINGLE("LOOPHL", AK4671_LOUT2_SIGNAL_SELECT
, 5, 1, 0),
217 static const struct snd_kcontrol_new ak4671_rout2_mixer_controls
[] = {
218 SOC_DAPM_SINGLE("DACHR", AK4671_ROUT2_SIGNAL_SELECT
, 0, 1, 0),
219 SOC_DAPM_SINGLE("RINH1", AK4671_ROUT2_SIGNAL_SELECT
, 1, 1, 0),
220 SOC_DAPM_SINGLE("RINH2", AK4671_ROUT2_SIGNAL_SELECT
, 2, 1, 0),
221 SOC_DAPM_SINGLE("RINH3", AK4671_ROUT2_SIGNAL_SELECT
, 3, 1, 0),
222 SOC_DAPM_SINGLE("RINH4", AK4671_ROUT2_SIGNAL_SELECT
, 4, 1, 0),
223 SOC_DAPM_SINGLE("LOOPHR", AK4671_ROUT2_SIGNAL_SELECT
, 5, 1, 0),
226 static const struct snd_kcontrol_new ak4671_lout3_mixer_controls
[] = {
227 SOC_DAPM_SINGLE("DACSL", AK4671_LOUT3_SIGNAL_SELECT
, 0, 1, 0),
228 SOC_DAPM_SINGLE("LINS1", AK4671_LOUT3_SIGNAL_SELECT
, 1, 1, 0),
229 SOC_DAPM_SINGLE("LINS2", AK4671_LOUT3_SIGNAL_SELECT
, 2, 1, 0),
230 SOC_DAPM_SINGLE("LINS3", AK4671_LOUT3_SIGNAL_SELECT
, 3, 1, 0),
231 SOC_DAPM_SINGLE("LINS4", AK4671_LOUT3_SIGNAL_SELECT
, 4, 1, 0),
232 SOC_DAPM_SINGLE("LOOPSL", AK4671_LOUT3_SIGNAL_SELECT
, 5, 1, 0),
235 static const struct snd_kcontrol_new ak4671_rout3_mixer_controls
[] = {
236 SOC_DAPM_SINGLE("DACSR", AK4671_ROUT3_SIGNAL_SELECT
, 0, 1, 0),
237 SOC_DAPM_SINGLE("RINS1", AK4671_ROUT3_SIGNAL_SELECT
, 1, 1, 0),
238 SOC_DAPM_SINGLE("RINS2", AK4671_ROUT3_SIGNAL_SELECT
, 2, 1, 0),
239 SOC_DAPM_SINGLE("RINS3", AK4671_ROUT3_SIGNAL_SELECT
, 3, 1, 0),
240 SOC_DAPM_SINGLE("RINS4", AK4671_ROUT3_SIGNAL_SELECT
, 4, 1, 0),
241 SOC_DAPM_SINGLE("LOOPSR", AK4671_ROUT3_SIGNAL_SELECT
, 5, 1, 0),
245 static const char *ak4671_lin_mux_texts
[] =
246 {"LIN1", "LIN2", "LIN3", "LIN4"};
247 static const struct soc_enum ak4671_lin_mux_enum
=
248 SOC_ENUM_SINGLE(AK4671_MIC_SIGNAL_SELECT
, 0,
249 ARRAY_SIZE(ak4671_lin_mux_texts
),
250 ak4671_lin_mux_texts
);
251 static const struct snd_kcontrol_new ak4671_lin_mux_control
=
252 SOC_DAPM_ENUM("Route", ak4671_lin_mux_enum
);
254 static const char *ak4671_rin_mux_texts
[] =
255 {"RIN1", "RIN2", "RIN3", "RIN4"};
256 static const struct soc_enum ak4671_rin_mux_enum
=
257 SOC_ENUM_SINGLE(AK4671_MIC_SIGNAL_SELECT
, 2,
258 ARRAY_SIZE(ak4671_rin_mux_texts
),
259 ak4671_rin_mux_texts
);
260 static const struct snd_kcontrol_new ak4671_rin_mux_control
=
261 SOC_DAPM_ENUM("Route", ak4671_rin_mux_enum
);
263 static const struct snd_soc_dapm_widget ak4671_dapm_widgets
[] = {
265 SND_SOC_DAPM_INPUT("LIN1"),
266 SND_SOC_DAPM_INPUT("RIN1"),
267 SND_SOC_DAPM_INPUT("LIN2"),
268 SND_SOC_DAPM_INPUT("RIN2"),
269 SND_SOC_DAPM_INPUT("LIN3"),
270 SND_SOC_DAPM_INPUT("RIN3"),
271 SND_SOC_DAPM_INPUT("LIN4"),
272 SND_SOC_DAPM_INPUT("RIN4"),
275 SND_SOC_DAPM_OUTPUT("LOUT1"),
276 SND_SOC_DAPM_OUTPUT("ROUT1"),
277 SND_SOC_DAPM_OUTPUT("LOUT2"),
278 SND_SOC_DAPM_OUTPUT("ROUT2"),
279 SND_SOC_DAPM_OUTPUT("LOUT3"),
280 SND_SOC_DAPM_OUTPUT("ROUT3"),
283 SND_SOC_DAPM_DAC("DAC Left", "Left HiFi Playback",
284 AK4671_AD_DA_POWER_MANAGEMENT
, 6, 0),
285 SND_SOC_DAPM_DAC("DAC Right", "Right HiFi Playback",
286 AK4671_AD_DA_POWER_MANAGEMENT
, 7, 0),
289 SND_SOC_DAPM_ADC("ADC Left", "Left HiFi Capture",
290 AK4671_AD_DA_POWER_MANAGEMENT
, 4, 0),
291 SND_SOC_DAPM_ADC("ADC Right", "Right HiFi Capture",
292 AK4671_AD_DA_POWER_MANAGEMENT
, 5, 0),
295 SND_SOC_DAPM_PGA("LOUT2 Mix Amp",
296 AK4671_LOUT2_POWER_MANAGERMENT
, 5, 0, NULL
, 0),
297 SND_SOC_DAPM_PGA("ROUT2 Mix Amp",
298 AK4671_LOUT2_POWER_MANAGERMENT
, 6, 0, NULL
, 0),
300 SND_SOC_DAPM_PGA("LIN1 Mixing Circuit",
301 AK4671_MIXING_POWER_MANAGEMENT1
, 0, 0, NULL
, 0),
302 SND_SOC_DAPM_PGA("RIN1 Mixing Circuit",
303 AK4671_MIXING_POWER_MANAGEMENT1
, 1, 0, NULL
, 0),
304 SND_SOC_DAPM_PGA("LIN2 Mixing Circuit",
305 AK4671_MIXING_POWER_MANAGEMENT1
, 2, 0, NULL
, 0),
306 SND_SOC_DAPM_PGA("RIN2 Mixing Circuit",
307 AK4671_MIXING_POWER_MANAGEMENT1
, 3, 0, NULL
, 0),
308 SND_SOC_DAPM_PGA("LIN3 Mixing Circuit",
309 AK4671_MIXING_POWER_MANAGEMENT1
, 4, 0, NULL
, 0),
310 SND_SOC_DAPM_PGA("RIN3 Mixing Circuit",
311 AK4671_MIXING_POWER_MANAGEMENT1
, 5, 0, NULL
, 0),
312 SND_SOC_DAPM_PGA("LIN4 Mixing Circuit",
313 AK4671_MIXING_POWER_MANAGEMENT1
, 6, 0, NULL
, 0),
314 SND_SOC_DAPM_PGA("RIN4 Mixing Circuit",
315 AK4671_MIXING_POWER_MANAGEMENT1
, 7, 0, NULL
, 0),
318 SND_SOC_DAPM_MIXER("LOUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT
, 0, 0,
319 &ak4671_lout1_mixer_controls
[0],
320 ARRAY_SIZE(ak4671_lout1_mixer_controls
)),
321 SND_SOC_DAPM_MIXER("ROUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT
, 1, 0,
322 &ak4671_rout1_mixer_controls
[0],
323 ARRAY_SIZE(ak4671_rout1_mixer_controls
)),
324 SND_SOC_DAPM_MIXER_E("LOUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT
,
325 0, 0, &ak4671_lout2_mixer_controls
[0],
326 ARRAY_SIZE(ak4671_lout2_mixer_controls
),
328 SND_SOC_DAPM_POST_PMU
|SND_SOC_DAPM_PRE_PMD
),
329 SND_SOC_DAPM_MIXER_E("ROUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT
,
330 1, 0, &ak4671_rout2_mixer_controls
[0],
331 ARRAY_SIZE(ak4671_rout2_mixer_controls
),
333 SND_SOC_DAPM_POST_PMU
|SND_SOC_DAPM_PRE_PMD
),
334 SND_SOC_DAPM_MIXER("LOUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT
, 0, 0,
335 &ak4671_lout3_mixer_controls
[0],
336 ARRAY_SIZE(ak4671_lout3_mixer_controls
)),
337 SND_SOC_DAPM_MIXER("ROUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT
, 1, 0,
338 &ak4671_rout3_mixer_controls
[0],
339 ARRAY_SIZE(ak4671_rout3_mixer_controls
)),
342 SND_SOC_DAPM_MUX("LIN MUX", AK4671_AD_DA_POWER_MANAGEMENT
, 2, 0,
343 &ak4671_lin_mux_control
),
344 SND_SOC_DAPM_MUX("RIN MUX", AK4671_AD_DA_POWER_MANAGEMENT
, 3, 0,
345 &ak4671_rin_mux_control
),
348 SND_SOC_DAPM_MICBIAS("Mic Bias", AK4671_AD_DA_POWER_MANAGEMENT
, 1, 0),
351 SND_SOC_DAPM_SUPPLY("PMPLL", AK4671_PLL_MODE_SELECT1
, 0, 0, NULL
, 0),
354 static const struct snd_soc_dapm_route ak4671_intercon
[] = {
355 {"DAC Left", "NULL", "PMPLL"},
356 {"DAC Right", "NULL", "PMPLL"},
357 {"ADC Left", "NULL", "PMPLL"},
358 {"ADC Right", "NULL", "PMPLL"},
361 {"LOUT1", "NULL", "LOUT1 Mixer"},
362 {"ROUT1", "NULL", "ROUT1 Mixer"},
363 {"LOUT2", "NULL", "LOUT2 Mix Amp"},
364 {"ROUT2", "NULL", "ROUT2 Mix Amp"},
365 {"LOUT3", "NULL", "LOUT3 Mixer"},
366 {"ROUT3", "NULL", "ROUT3 Mixer"},
368 {"LOUT1 Mixer", "DACL", "DAC Left"},
369 {"ROUT1 Mixer", "DACR", "DAC Right"},
370 {"LOUT2 Mixer", "DACHL", "DAC Left"},
371 {"ROUT2 Mixer", "DACHR", "DAC Right"},
372 {"LOUT2 Mix Amp", "NULL", "LOUT2 Mixer"},
373 {"ROUT2 Mix Amp", "NULL", "ROUT2 Mixer"},
374 {"LOUT3 Mixer", "DACSL", "DAC Left"},
375 {"ROUT3 Mixer", "DACSR", "DAC Right"},
378 {"LIN MUX", "LIN1", "LIN1"},
379 {"LIN MUX", "LIN2", "LIN2"},
380 {"LIN MUX", "LIN3", "LIN3"},
381 {"LIN MUX", "LIN4", "LIN4"},
383 {"RIN MUX", "RIN1", "RIN1"},
384 {"RIN MUX", "RIN2", "RIN2"},
385 {"RIN MUX", "RIN3", "RIN3"},
386 {"RIN MUX", "RIN4", "RIN4"},
388 {"LIN1", NULL
, "Mic Bias"},
389 {"RIN1", NULL
, "Mic Bias"},
390 {"LIN2", NULL
, "Mic Bias"},
391 {"RIN2", NULL
, "Mic Bias"},
393 {"ADC Left", "NULL", "LIN MUX"},
394 {"ADC Right", "NULL", "RIN MUX"},
397 {"LIN1 Mixing Circuit", "NULL", "LIN1"},
398 {"RIN1 Mixing Circuit", "NULL", "RIN1"},
399 {"LIN2 Mixing Circuit", "NULL", "LIN2"},
400 {"RIN2 Mixing Circuit", "NULL", "RIN2"},
401 {"LIN3 Mixing Circuit", "NULL", "LIN3"},
402 {"RIN3 Mixing Circuit", "NULL", "RIN3"},
403 {"LIN4 Mixing Circuit", "NULL", "LIN4"},
404 {"RIN4 Mixing Circuit", "NULL", "RIN4"},
406 {"LOUT1 Mixer", "LINL1", "LIN1 Mixing Circuit"},
407 {"ROUT1 Mixer", "RINR1", "RIN1 Mixing Circuit"},
408 {"LOUT2 Mixer", "LINH1", "LIN1 Mixing Circuit"},
409 {"ROUT2 Mixer", "RINH1", "RIN1 Mixing Circuit"},
410 {"LOUT3 Mixer", "LINS1", "LIN1 Mixing Circuit"},
411 {"ROUT3 Mixer", "RINS1", "RIN1 Mixing Circuit"},
413 {"LOUT1 Mixer", "LINL2", "LIN2 Mixing Circuit"},
414 {"ROUT1 Mixer", "RINR2", "RIN2 Mixing Circuit"},
415 {"LOUT2 Mixer", "LINH2", "LIN2 Mixing Circuit"},
416 {"ROUT2 Mixer", "RINH2", "RIN2 Mixing Circuit"},
417 {"LOUT3 Mixer", "LINS2", "LIN2 Mixing Circuit"},
418 {"ROUT3 Mixer", "RINS2", "RIN2 Mixing Circuit"},
420 {"LOUT1 Mixer", "LINL3", "LIN3 Mixing Circuit"},
421 {"ROUT1 Mixer", "RINR3", "RIN3 Mixing Circuit"},
422 {"LOUT2 Mixer", "LINH3", "LIN3 Mixing Circuit"},
423 {"ROUT2 Mixer", "RINH3", "RIN3 Mixing Circuit"},
424 {"LOUT3 Mixer", "LINS3", "LIN3 Mixing Circuit"},
425 {"ROUT3 Mixer", "RINS3", "RIN3 Mixing Circuit"},
427 {"LOUT1 Mixer", "LINL4", "LIN4 Mixing Circuit"},
428 {"ROUT1 Mixer", "RINR4", "RIN4 Mixing Circuit"},
429 {"LOUT2 Mixer", "LINH4", "LIN4 Mixing Circuit"},
430 {"ROUT2 Mixer", "RINH4", "RIN4 Mixing Circuit"},
431 {"LOUT3 Mixer", "LINS4", "LIN4 Mixing Circuit"},
432 {"ROUT3 Mixer", "RINS4", "RIN4 Mixing Circuit"},
435 static int ak4671_hw_params(struct snd_pcm_substream
*substream
,
436 struct snd_pcm_hw_params
*params
,
437 struct snd_soc_dai
*dai
)
439 struct snd_soc_codec
*codec
= dai
->codec
;
442 fs
= snd_soc_read(codec
, AK4671_PLL_MODE_SELECT0
);
445 switch (params_rate(params
)) {
447 fs
|= AK4671_FS_8KHZ
;
450 fs
|= AK4671_FS_12KHZ
;
453 fs
|= AK4671_FS_16KHZ
;
456 fs
|= AK4671_FS_24KHZ
;
459 fs
|= AK4671_FS_11_025KHZ
;
462 fs
|= AK4671_FS_22_05KHZ
;
465 fs
|= AK4671_FS_32KHZ
;
468 fs
|= AK4671_FS_44_1KHZ
;
471 fs
|= AK4671_FS_48KHZ
;
477 snd_soc_write(codec
, AK4671_PLL_MODE_SELECT0
, fs
);
482 static int ak4671_set_dai_sysclk(struct snd_soc_dai
*dai
, int clk_id
,
483 unsigned int freq
, int dir
)
485 struct snd_soc_codec
*codec
= dai
->codec
;
488 pll
= snd_soc_read(codec
, AK4671_PLL_MODE_SELECT0
);
493 pll
|= AK4671_PLL_11_2896MHZ
;
496 pll
|= AK4671_PLL_12MHZ
;
499 pll
|= AK4671_PLL_12_288MHZ
;
502 pll
|= AK4671_PLL_13MHZ
;
505 pll
|= AK4671_PLL_13_5MHZ
;
508 pll
|= AK4671_PLL_19_2MHZ
;
511 pll
|= AK4671_PLL_24MHZ
;
514 pll
|= AK4671_PLL_26MHZ
;
517 pll
|= AK4671_PLL_27MHZ
;
523 snd_soc_write(codec
, AK4671_PLL_MODE_SELECT0
, pll
);
528 static int ak4671_set_dai_fmt(struct snd_soc_dai
*dai
, unsigned int fmt
)
530 struct snd_soc_codec
*codec
= dai
->codec
;
534 /* set master/slave audio interface */
535 mode
= snd_soc_read(codec
, AK4671_PLL_MODE_SELECT1
);
537 switch (fmt
& SND_SOC_DAIFMT_MASTER_MASK
) {
538 case SND_SOC_DAIFMT_CBM_CFM
:
541 case SND_SOC_DAIFMT_CBM_CFS
:
542 mode
&= ~(AK4671_M_S
);
548 /* interface format */
549 format
= snd_soc_read(codec
, AK4671_FORMAT_SELECT
);
550 format
&= ~AK4671_DIF
;
552 switch (fmt
& SND_SOC_DAIFMT_FORMAT_MASK
) {
553 case SND_SOC_DAIFMT_I2S
:
554 format
|= AK4671_DIF_I2S_MODE
;
556 case SND_SOC_DAIFMT_LEFT_J
:
557 format
|= AK4671_DIF_MSB_MODE
;
559 case SND_SOC_DAIFMT_DSP_A
:
560 format
|= AK4671_DIF_DSP_MODE
;
561 format
|= AK4671_BCKP
;
562 format
|= AK4671_MSBS
;
568 /* set mode and format */
569 snd_soc_write(codec
, AK4671_PLL_MODE_SELECT1
, mode
);
570 snd_soc_write(codec
, AK4671_FORMAT_SELECT
, format
);
575 static int ak4671_set_bias_level(struct snd_soc_codec
*codec
,
576 enum snd_soc_bias_level level
)
581 case SND_SOC_BIAS_ON
:
582 case SND_SOC_BIAS_PREPARE
:
583 case SND_SOC_BIAS_STANDBY
:
584 reg
= snd_soc_read(codec
, AK4671_AD_DA_POWER_MANAGEMENT
);
585 snd_soc_write(codec
, AK4671_AD_DA_POWER_MANAGEMENT
,
588 case SND_SOC_BIAS_OFF
:
589 snd_soc_write(codec
, AK4671_AD_DA_POWER_MANAGEMENT
, 0x00);
592 codec
->dapm
.bias_level
= level
;
596 #define AK4671_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
597 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
598 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
599 SNDRV_PCM_RATE_48000)
601 #define AK4671_FORMATS SNDRV_PCM_FMTBIT_S16_LE
603 static struct snd_soc_dai_ops ak4671_dai_ops
= {
604 .hw_params
= ak4671_hw_params
,
605 .set_sysclk
= ak4671_set_dai_sysclk
,
606 .set_fmt
= ak4671_set_dai_fmt
,
609 static struct snd_soc_dai_driver ak4671_dai
= {
610 .name
= "ak4671-hifi",
612 .stream_name
= "Playback",
615 .rates
= AK4671_RATES
,
616 .formats
= AK4671_FORMATS
,},
618 .stream_name
= "Capture",
621 .rates
= AK4671_RATES
,
622 .formats
= AK4671_FORMATS
,},
623 .ops
= &ak4671_dai_ops
,
626 static int ak4671_probe(struct snd_soc_codec
*codec
)
628 struct ak4671_priv
*ak4671
= snd_soc_codec_get_drvdata(codec
);
631 codec
->hw_write
= (hw_write_t
)i2c_master_send
;
633 ret
= snd_soc_codec_set_cache_io(codec
, 8, 8, ak4671
->control_type
);
635 dev_err(codec
->dev
, "Failed to set cache I/O: %d\n", ret
);
639 snd_soc_add_controls(codec
, ak4671_snd_controls
,
640 ARRAY_SIZE(ak4671_snd_controls
));
642 ak4671_set_bias_level(codec
, SND_SOC_BIAS_STANDBY
);
647 static int ak4671_remove(struct snd_soc_codec
*codec
)
649 ak4671_set_bias_level(codec
, SND_SOC_BIAS_OFF
);
653 static struct snd_soc_codec_driver soc_codec_dev_ak4671
= {
654 .probe
= ak4671_probe
,
655 .remove
= ak4671_remove
,
656 .set_bias_level
= ak4671_set_bias_level
,
657 .reg_cache_size
= AK4671_CACHEREGNUM
,
658 .reg_word_size
= sizeof(u8
),
659 .reg_cache_default
= ak4671_reg
,
660 .dapm_widgets
= ak4671_dapm_widgets
,
661 .num_dapm_widgets
= ARRAY_SIZE(ak4671_dapm_widgets
),
662 .dapm_routes
= ak4671_intercon
,
663 .num_dapm_routes
= ARRAY_SIZE(ak4671_intercon
),
666 static int __devinit
ak4671_i2c_probe(struct i2c_client
*client
,
667 const struct i2c_device_id
*id
)
669 struct ak4671_priv
*ak4671
;
672 ak4671
= kzalloc(sizeof(struct ak4671_priv
), GFP_KERNEL
);
676 i2c_set_clientdata(client
, ak4671
);
677 ak4671
->control_type
= SND_SOC_I2C
;
679 ret
= snd_soc_register_codec(&client
->dev
,
680 &soc_codec_dev_ak4671
, &ak4671_dai
, 1);
686 static __devexit
int ak4671_i2c_remove(struct i2c_client
*client
)
688 snd_soc_unregister_codec(&client
->dev
);
689 kfree(i2c_get_clientdata(client
));
693 static const struct i2c_device_id ak4671_i2c_id
[] = {
697 MODULE_DEVICE_TABLE(i2c
, ak4671_i2c_id
);
699 static struct i2c_driver ak4671_i2c_driver
= {
701 .name
= "ak4671-codec",
702 .owner
= THIS_MODULE
,
704 .probe
= ak4671_i2c_probe
,
705 .remove
= __devexit_p(ak4671_i2c_remove
),
706 .id_table
= ak4671_i2c_id
,
709 static int __init
ak4671_modinit(void)
711 return i2c_add_driver(&ak4671_i2c_driver
);
713 module_init(ak4671_modinit
);
715 static void __exit
ak4671_exit(void)
717 i2c_del_driver(&ak4671_i2c_driver
);
719 module_exit(ak4671_exit
);
721 MODULE_DESCRIPTION("ASoC AK4671 codec driver");
722 MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
723 MODULE_LICENSE("GPL");