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3c166c7f JS |
1 | /* |
2 | * stac9766.c -- ALSA SoC STAC9766 codec support | |
3 | * | |
4 | * Copyright 2009 Jon Smirl, Digispeaker | |
5 | * Author: Jon Smirl <jonsmirl@gmail.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 | * Features:- | |
13 | * | |
14 | * o Support for AC97 Codec, S/PDIF | |
15 | */ | |
16 | ||
17 | #include <linux/init.h> | |
5a0e3ad6 | 18 | #include <linux/slab.h> |
3c166c7f JS |
19 | #include <linux/module.h> |
20 | #include <linux/device.h> | |
21 | #include <sound/core.h> | |
22 | #include <sound/pcm.h> | |
23 | #include <sound/ac97_codec.h> | |
24 | #include <sound/initval.h> | |
25 | #include <sound/pcm_params.h> | |
26 | #include <sound/soc.h> | |
27 | #include <sound/tlv.h> | |
3c166c7f JS |
28 | |
29 | #include "stac9766.h" | |
30 | ||
017e800a LPC |
31 | #define STAC9766_VENDOR_ID 0x83847666 |
32 | #define STAC9766_VENDOR_ID_MASK 0xffffffff | |
33 | ||
3c166c7f JS |
34 | /* |
35 | * STAC9766 register cache | |
36 | */ | |
37 | static const u16 stac9766_reg[] = { | |
38 | 0x6A90, 0x8000, 0x8000, 0x8000, /* 6 */ | |
39 | 0x0000, 0x0000, 0x8008, 0x8008, /* e */ | |
40 | 0x8808, 0x8808, 0x8808, 0x8808, /* 16 */ | |
41 | 0x8808, 0x0000, 0x8000, 0x0000, /* 1e */ | |
42 | 0x0000, 0x0000, 0x0000, 0x000f, /* 26 */ | |
43 | 0x0a05, 0x0400, 0xbb80, 0x0000, /* 2e */ | |
44 | 0x0000, 0xbb80, 0x0000, 0x0000, /* 36 */ | |
45 | 0x0000, 0x2000, 0x0000, 0x0100, /* 3e */ | |
46 | 0x0000, 0x0000, 0x0080, 0x0000, /* 46 */ | |
47 | 0x0000, 0x0000, 0x0003, 0xffff, /* 4e */ | |
48 | 0x0000, 0x0000, 0x0000, 0x0000, /* 56 */ | |
49 | 0x4000, 0x0000, 0x0000, 0x0000, /* 5e */ | |
50 | 0x1201, 0xFFFF, 0xFFFF, 0x0000, /* 66 */ | |
51 | 0x0000, 0x0000, 0x0000, 0x0000, /* 6e */ | |
52 | 0x0000, 0x0000, 0x0000, 0x0006, /* 76 */ | |
53 | 0x0000, 0x0000, 0x0000, 0x0000, /* 7e */ | |
54 | }; | |
55 | ||
05e1efa2 MB |
56 | static const char *stac9766_record_mux[] = {"Mic", "CD", "Video", "AUX", |
57 | "Line", "Stereo Mix", "Mono Mix", "Phone"}; | |
3c166c7f JS |
58 | static const char *stac9766_mono_mux[] = {"Mix", "Mic"}; |
59 | static const char *stac9766_mic_mux[] = {"Mic1", "Mic2"}; | |
60 | static const char *stac9766_SPDIF_mux[] = {"PCM", "ADC Record"}; | |
61 | static const char *stac9766_popbypass_mux[] = {"Normal", "Bypass Mixer"}; | |
05e1efa2 MB |
62 | static const char *stac9766_record_all_mux[] = {"All analog", |
63 | "Analog plus DAC"}; | |
3c166c7f JS |
64 | static const char *stac9766_boost1[] = {"0dB", "10dB"}; |
65 | static const char *stac9766_boost2[] = {"0dB", "20dB"}; | |
66 | static const char *stac9766_stereo_mic[] = {"Off", "On"}; | |
67 | ||
3cd7ca58 TI |
68 | static SOC_ENUM_DOUBLE_DECL(stac9766_record_enum, |
69 | AC97_REC_SEL, 8, 0, stac9766_record_mux); | |
70 | static SOC_ENUM_SINGLE_DECL(stac9766_mono_enum, | |
71 | AC97_GENERAL_PURPOSE, 9, stac9766_mono_mux); | |
72 | static SOC_ENUM_SINGLE_DECL(stac9766_mic_enum, | |
73 | AC97_GENERAL_PURPOSE, 8, stac9766_mic_mux); | |
74 | static SOC_ENUM_SINGLE_DECL(stac9766_SPDIF_enum, | |
75 | AC97_STAC_DA_CONTROL, 1, stac9766_SPDIF_mux); | |
76 | static SOC_ENUM_SINGLE_DECL(stac9766_popbypass_enum, | |
77 | AC97_GENERAL_PURPOSE, 15, stac9766_popbypass_mux); | |
78 | static SOC_ENUM_SINGLE_DECL(stac9766_record_all_enum, | |
79 | AC97_STAC_ANALOG_SPECIAL, 12, | |
80 | stac9766_record_all_mux); | |
81 | static SOC_ENUM_SINGLE_DECL(stac9766_boost1_enum, | |
82 | AC97_MIC, 6, stac9766_boost1); /* 0/10dB */ | |
83 | static SOC_ENUM_SINGLE_DECL(stac9766_boost2_enum, | |
84 | AC97_STAC_ANALOG_SPECIAL, 2, stac9766_boost2); /* 0/20dB */ | |
85 | static SOC_ENUM_SINGLE_DECL(stac9766_stereo_mic_enum, | |
86 | AC97_STAC_STEREO_MIC, 2, stac9766_stereo_mic); | |
3c166c7f JS |
87 | |
88 | static const DECLARE_TLV_DB_LINEAR(master_tlv, -4600, 0); | |
89 | static const DECLARE_TLV_DB_LINEAR(record_tlv, 0, 2250); | |
90 | static const DECLARE_TLV_DB_LINEAR(beep_tlv, -4500, 0); | |
91 | static const DECLARE_TLV_DB_LINEAR(mix_tlv, -3450, 1200); | |
92 | ||
93 | static const struct snd_kcontrol_new stac9766_snd_ac97_controls[] = { | |
94 | SOC_DOUBLE_TLV("Speaker Volume", AC97_MASTER, 8, 0, 31, 1, master_tlv), | |
95 | SOC_SINGLE("Speaker Switch", AC97_MASTER, 15, 1, 1), | |
05e1efa2 MB |
96 | SOC_DOUBLE_TLV("Headphone Volume", AC97_HEADPHONE, 8, 0, 31, 1, |
97 | master_tlv), | |
3c166c7f | 98 | SOC_SINGLE("Headphone Switch", AC97_HEADPHONE, 15, 1, 1), |
05e1efa2 MB |
99 | SOC_SINGLE_TLV("Mono Out Volume", AC97_MASTER_MONO, 0, 31, 1, |
100 | master_tlv), | |
3c166c7f JS |
101 | SOC_SINGLE("Mono Out Switch", AC97_MASTER_MONO, 15, 1, 1), |
102 | ||
103 | SOC_DOUBLE_TLV("Record Volume", AC97_REC_GAIN, 8, 0, 15, 0, record_tlv), | |
104 | SOC_SINGLE("Record Switch", AC97_REC_GAIN, 15, 1, 1), | |
105 | ||
106 | ||
107 | SOC_SINGLE_TLV("Beep Volume", AC97_PC_BEEP, 1, 15, 1, beep_tlv), | |
108 | SOC_SINGLE("Beep Switch", AC97_PC_BEEP, 15, 1, 1), | |
109 | SOC_SINGLE("Beep Frequency", AC97_PC_BEEP, 5, 127, 1), | |
110 | SOC_SINGLE_TLV("Phone Volume", AC97_PHONE, 0, 31, 1, mix_tlv), | |
111 | SOC_SINGLE("Phone Switch", AC97_PHONE, 15, 1, 1), | |
112 | ||
113 | SOC_ENUM("Mic Boost1", stac9766_boost1_enum), | |
114 | SOC_ENUM("Mic Boost2", stac9766_boost2_enum), | |
115 | SOC_SINGLE_TLV("Mic Volume", AC97_MIC, 0, 31, 1, mix_tlv), | |
116 | SOC_SINGLE("Mic Switch", AC97_MIC, 15, 1, 1), | |
117 | SOC_ENUM("Stereo Mic", stac9766_stereo_mic_enum), | |
118 | ||
119 | SOC_DOUBLE_TLV("Line Volume", AC97_LINE, 8, 0, 31, 1, mix_tlv), | |
120 | SOC_SINGLE("Line Switch", AC97_LINE, 15, 1, 1), | |
121 | SOC_DOUBLE_TLV("CD Volume", AC97_CD, 8, 0, 31, 1, mix_tlv), | |
122 | SOC_SINGLE("CD Switch", AC97_CD, 15, 1, 1), | |
123 | SOC_DOUBLE_TLV("AUX Volume", AC97_AUX, 8, 0, 31, 1, mix_tlv), | |
124 | SOC_SINGLE("AUX Switch", AC97_AUX, 15, 1, 1), | |
125 | SOC_DOUBLE_TLV("Video Volume", AC97_VIDEO, 8, 0, 31, 1, mix_tlv), | |
126 | SOC_SINGLE("Video Switch", AC97_VIDEO, 15, 1, 1), | |
127 | ||
128 | SOC_DOUBLE_TLV("DAC Volume", AC97_PCM, 8, 0, 31, 1, mix_tlv), | |
129 | SOC_SINGLE("DAC Switch", AC97_PCM, 15, 1, 1), | |
130 | SOC_SINGLE("Loopback Test Switch", AC97_GENERAL_PURPOSE, 7, 1, 0), | |
131 | SOC_SINGLE("3D Volume", AC97_3D_CONTROL, 3, 2, 1), | |
132 | SOC_SINGLE("3D Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), | |
133 | ||
134 | SOC_ENUM("SPDIF Mux", stac9766_SPDIF_enum), | |
135 | SOC_ENUM("Mic1/2 Mux", stac9766_mic_enum), | |
136 | SOC_ENUM("Record All Mux", stac9766_record_all_enum), | |
137 | SOC_ENUM("Record Mux", stac9766_record_enum), | |
138 | SOC_ENUM("Mono Mux", stac9766_mono_enum), | |
139 | SOC_ENUM("Pop Bypass Mux", stac9766_popbypass_enum), | |
140 | }; | |
141 | ||
05e1efa2 MB |
142 | static int stac9766_ac97_write(struct snd_soc_codec *codec, unsigned int reg, |
143 | unsigned int val) | |
3c166c7f | 144 | { |
358a8bb5 | 145 | struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec); |
3c166c7f JS |
146 | u16 *cache = codec->reg_cache; |
147 | ||
148 | if (reg > AC97_STAC_PAGE0) { | |
149 | stac9766_ac97_write(codec, AC97_INT_PAGING, 0); | |
358a8bb5 | 150 | soc_ac97_ops->write(ac97, reg, val); |
3c166c7f JS |
151 | stac9766_ac97_write(codec, AC97_INT_PAGING, 1); |
152 | return 0; | |
153 | } | |
33e319fb | 154 | if (reg / 2 >= ARRAY_SIZE(stac9766_reg)) |
3c166c7f JS |
155 | return -EIO; |
156 | ||
358a8bb5 | 157 | soc_ac97_ops->write(ac97, reg, val); |
3c166c7f JS |
158 | cache[reg / 2] = val; |
159 | return 0; | |
160 | } | |
161 | ||
05e1efa2 MB |
162 | static unsigned int stac9766_ac97_read(struct snd_soc_codec *codec, |
163 | unsigned int reg) | |
3c166c7f | 164 | { |
358a8bb5 | 165 | struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec); |
3c166c7f JS |
166 | u16 val = 0, *cache = codec->reg_cache; |
167 | ||
168 | if (reg > AC97_STAC_PAGE0) { | |
169 | stac9766_ac97_write(codec, AC97_INT_PAGING, 0); | |
358a8bb5 | 170 | val = soc_ac97_ops->read(ac97, reg - AC97_STAC_PAGE0); |
3c166c7f JS |
171 | stac9766_ac97_write(codec, AC97_INT_PAGING, 1); |
172 | return val; | |
173 | } | |
33e319fb | 174 | if (reg / 2 >= ARRAY_SIZE(stac9766_reg)) |
3c166c7f JS |
175 | return -EIO; |
176 | ||
177 | if (reg == AC97_RESET || reg == AC97_GPIO_STATUS || | |
178 | reg == AC97_INT_PAGING || reg == AC97_VENDOR_ID1 || | |
179 | reg == AC97_VENDOR_ID2) { | |
180 | ||
358a8bb5 | 181 | val = soc_ac97_ops->read(ac97, reg); |
3c166c7f JS |
182 | return val; |
183 | } | |
184 | return cache[reg / 2]; | |
185 | } | |
186 | ||
187 | static int ac97_analog_prepare(struct snd_pcm_substream *substream, | |
05e1efa2 | 188 | struct snd_soc_dai *dai) |
3c166c7f JS |
189 | { |
190 | struct snd_soc_codec *codec = dai->codec; | |
191 | struct snd_pcm_runtime *runtime = substream->runtime; | |
192 | unsigned short reg, vra; | |
193 | ||
194 | vra = stac9766_ac97_read(codec, AC97_EXTENDED_STATUS); | |
195 | ||
196 | vra |= 0x1; /* enable variable rate audio */ | |
75b46c13 | 197 | vra &= ~0x4; /* disable SPDIF output */ |
3c166c7f JS |
198 | |
199 | stac9766_ac97_write(codec, AC97_EXTENDED_STATUS, vra); | |
200 | ||
201 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
202 | reg = AC97_PCM_FRONT_DAC_RATE; | |
203 | else | |
204 | reg = AC97_PCM_LR_ADC_RATE; | |
205 | ||
206 | return stac9766_ac97_write(codec, reg, runtime->rate); | |
207 | } | |
208 | ||
209 | static int ac97_digital_prepare(struct snd_pcm_substream *substream, | |
05e1efa2 | 210 | struct snd_soc_dai *dai) |
3c166c7f JS |
211 | { |
212 | struct snd_soc_codec *codec = dai->codec; | |
213 | struct snd_pcm_runtime *runtime = substream->runtime; | |
214 | unsigned short reg, vra; | |
215 | ||
216 | stac9766_ac97_write(codec, AC97_SPDIF, 0x2002); | |
217 | ||
218 | vra = stac9766_ac97_read(codec, AC97_EXTENDED_STATUS); | |
219 | vra |= 0x5; /* Enable VRA and SPDIF out */ | |
220 | ||
221 | stac9766_ac97_write(codec, AC97_EXTENDED_STATUS, vra); | |
222 | ||
223 | reg = AC97_PCM_FRONT_DAC_RATE; | |
224 | ||
225 | return stac9766_ac97_write(codec, reg, runtime->rate); | |
226 | } | |
227 | ||
3c166c7f | 228 | static int stac9766_set_bias_level(struct snd_soc_codec *codec, |
05e1efa2 | 229 | enum snd_soc_bias_level level) |
3c166c7f JS |
230 | { |
231 | switch (level) { | |
232 | case SND_SOC_BIAS_ON: /* full On */ | |
233 | case SND_SOC_BIAS_PREPARE: /* partial On */ | |
234 | case SND_SOC_BIAS_STANDBY: /* Off, with power */ | |
235 | stac9766_ac97_write(codec, AC97_POWERDOWN, 0x0000); | |
236 | break; | |
237 | case SND_SOC_BIAS_OFF: /* Off, without power */ | |
238 | /* disable everything including AC link */ | |
239 | stac9766_ac97_write(codec, AC97_POWERDOWN, 0xffff); | |
240 | break; | |
241 | } | |
3c166c7f JS |
242 | return 0; |
243 | } | |
244 | ||
f0fba2ad | 245 | static int stac9766_codec_resume(struct snd_soc_codec *codec) |
3c166c7f | 246 | { |
358a8bb5 | 247 | struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec); |
3c166c7f | 248 | |
017e800a LPC |
249 | return snd_ac97_reset(ac97, true, STAC9766_VENDOR_ID, |
250 | STAC9766_VENDOR_ID_MASK); | |
3c166c7f JS |
251 | } |
252 | ||
85e7652d | 253 | static const struct snd_soc_dai_ops stac9766_dai_ops_analog = { |
3c166c7f JS |
254 | .prepare = ac97_analog_prepare, |
255 | }; | |
256 | ||
85e7652d | 257 | static const struct snd_soc_dai_ops stac9766_dai_ops_digital = { |
3c166c7f | 258 | .prepare = ac97_digital_prepare, |
3c166c7f JS |
259 | }; |
260 | ||
f0fba2ad | 261 | static struct snd_soc_dai_driver stac9766_dai[] = { |
3c166c7f | 262 | { |
f0fba2ad | 263 | .name = "stac9766-hifi-analog", |
3c166c7f JS |
264 | |
265 | /* stream cababilities */ | |
266 | .playback = { | |
267 | .stream_name = "stac9766 analog", | |
268 | .channels_min = 1, | |
269 | .channels_max = 2, | |
270 | .rates = SNDRV_PCM_RATE_8000_48000, | |
271 | .formats = SND_SOC_STD_AC97_FMTS, | |
272 | }, | |
273 | .capture = { | |
274 | .stream_name = "stac9766 analog", | |
275 | .channels_min = 1, | |
276 | .channels_max = 2, | |
277 | .rates = SNDRV_PCM_RATE_8000_48000, | |
278 | .formats = SND_SOC_STD_AC97_FMTS, | |
279 | }, | |
280 | /* alsa ops */ | |
281 | .ops = &stac9766_dai_ops_analog, | |
282 | }, | |
283 | { | |
f0fba2ad | 284 | .name = "stac9766-hifi-IEC958", |
3c166c7f JS |
285 | |
286 | /* stream cababilities */ | |
287 | .playback = { | |
288 | .stream_name = "stac9766 IEC958", | |
289 | .channels_min = 1, | |
290 | .channels_max = 2, | |
291 | .rates = SNDRV_PCM_RATE_32000 | \ | |
292 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, | |
e712bfca | 293 | .formats = SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE, |
3c166c7f JS |
294 | }, |
295 | /* alsa ops */ | |
296 | .ops = &stac9766_dai_ops_digital, | |
05e1efa2 MB |
297 | } |
298 | }; | |
3c166c7f | 299 | |
f0fba2ad | 300 | static int stac9766_codec_probe(struct snd_soc_codec *codec) |
3c166c7f | 301 | { |
358a8bb5 | 302 | struct snd_ac97 *ac97; |
3c166c7f | 303 | |
017e800a LPC |
304 | ac97 = snd_soc_new_ac97_codec(codec, STAC9766_VENDOR_ID, |
305 | STAC9766_VENDOR_ID_MASK); | |
358a8bb5 LPC |
306 | if (IS_ERR(ac97)) |
307 | return PTR_ERR(ac97); | |
308 | ||
309 | snd_soc_codec_set_drvdata(codec, ac97); | |
3c166c7f | 310 | |
3c166c7f | 311 | return 0; |
3c166c7f JS |
312 | } |
313 | ||
f0fba2ad | 314 | static int stac9766_codec_remove(struct snd_soc_codec *codec) |
3c166c7f | 315 | { |
358a8bb5 LPC |
316 | struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec); |
317 | ||
318 | snd_soc_free_ac97_codec(ac97); | |
3c166c7f JS |
319 | return 0; |
320 | } | |
321 | ||
f0fba2ad | 322 | static struct snd_soc_codec_driver soc_codec_dev_stac9766 = { |
8865051d LPC |
323 | .controls = stac9766_snd_ac97_controls, |
324 | .num_controls = ARRAY_SIZE(stac9766_snd_ac97_controls), | |
f0fba2ad LG |
325 | .write = stac9766_ac97_write, |
326 | .read = stac9766_ac97_read, | |
327 | .set_bias_level = stac9766_set_bias_level, | |
4c07a43d | 328 | .suspend_bias_off = true, |
3c166c7f JS |
329 | .probe = stac9766_codec_probe, |
330 | .remove = stac9766_codec_remove, | |
3c166c7f | 331 | .resume = stac9766_codec_resume, |
f031efe9 | 332 | .reg_cache_size = ARRAY_SIZE(stac9766_reg), |
f0fba2ad LG |
333 | .reg_word_size = sizeof(u16), |
334 | .reg_cache_step = 2, | |
13a2e06c | 335 | .reg_cache_default = stac9766_reg, |
f0fba2ad LG |
336 | }; |
337 | ||
7a79e94e | 338 | static int stac9766_probe(struct platform_device *pdev) |
f0fba2ad LG |
339 | { |
340 | return snd_soc_register_codec(&pdev->dev, | |
341 | &soc_codec_dev_stac9766, stac9766_dai, ARRAY_SIZE(stac9766_dai)); | |
342 | } | |
343 | ||
7a79e94e | 344 | static int stac9766_remove(struct platform_device *pdev) |
f0fba2ad LG |
345 | { |
346 | snd_soc_unregister_codec(&pdev->dev); | |
347 | return 0; | |
348 | } | |
349 | ||
350 | static struct platform_driver stac9766_codec_driver = { | |
351 | .driver = { | |
352 | .name = "stac9766-codec", | |
f0fba2ad LG |
353 | }, |
354 | ||
355 | .probe = stac9766_probe, | |
7a79e94e | 356 | .remove = stac9766_remove, |
3c166c7f | 357 | }; |
f0fba2ad | 358 | |
5bbcc3c0 | 359 | module_platform_driver(stac9766_codec_driver); |
3c166c7f | 360 | |
3c166c7f JS |
361 | MODULE_DESCRIPTION("ASoC stac9766 driver"); |
362 | MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>"); | |
363 | MODULE_LICENSE("GPL"); |