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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 | ||
2312fd8f JS |
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 | ||
2312fd8f JS |
664 | ak4671_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
665 | ||
666 | return ret; | |
667 | ||
2312fd8f JS |
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"); |