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2874c5fd | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
3c166c7f JS |
2 | /* |
3 | * stac9766.c -- ALSA SoC STAC9766 codec support | |
4 | * | |
5 | * Copyright 2009 Jon Smirl, Digispeaker | |
6 | * Author: Jon Smirl <jonsmirl@gmail.com> | |
7 | * | |
3c166c7f JS |
8 | * Features:- |
9 | * | |
10 | * o Support for AC97 Codec, S/PDIF | |
11 | */ | |
12 | ||
13 | #include <linux/init.h> | |
5a0e3ad6 | 14 | #include <linux/slab.h> |
3c166c7f JS |
15 | #include <linux/module.h> |
16 | #include <linux/device.h> | |
6bbf787b | 17 | #include <linux/regmap.h> |
3c166c7f JS |
18 | #include <sound/core.h> |
19 | #include <sound/pcm.h> | |
20 | #include <sound/ac97_codec.h> | |
21 | #include <sound/initval.h> | |
22 | #include <sound/pcm_params.h> | |
23 | #include <sound/soc.h> | |
24 | #include <sound/tlv.h> | |
3c166c7f | 25 | |
017e800a LPC |
26 | #define STAC9766_VENDOR_ID 0x83847666 |
27 | #define STAC9766_VENDOR_ID_MASK 0xffffffff | |
28 | ||
dccb395c LPC |
29 | #define AC97_STAC_DA_CONTROL 0x6A |
30 | #define AC97_STAC_ANALOG_SPECIAL 0x6E | |
31 | #define AC97_STAC_STEREO_MIC 0x78 | |
32 | ||
6bbf787b LPC |
33 | static const struct reg_default stac9766_reg_defaults[] = { |
34 | { 0x02, 0x8000 }, | |
35 | { 0x04, 0x8000 }, | |
36 | { 0x06, 0x8000 }, | |
37 | { 0x0a, 0x0000 }, | |
38 | { 0x0c, 0x8008 }, | |
39 | { 0x0e, 0x8008 }, | |
40 | { 0x10, 0x8808 }, | |
41 | { 0x12, 0x8808 }, | |
42 | { 0x14, 0x8808 }, | |
43 | { 0x16, 0x8808 }, | |
44 | { 0x18, 0x8808 }, | |
45 | { 0x1a, 0x0000 }, | |
46 | { 0x1c, 0x8000 }, | |
47 | { 0x20, 0x0000 }, | |
48 | { 0x22, 0x0000 }, | |
49 | { 0x28, 0x0a05 }, | |
50 | { 0x2c, 0xbb80 }, | |
51 | { 0x32, 0xbb80 }, | |
52 | { 0x3a, 0x2000 }, | |
53 | { 0x3e, 0x0100 }, | |
54 | { 0x4c, 0x0300 }, | |
55 | { 0x4e, 0xffff }, | |
56 | { 0x50, 0x0000 }, | |
57 | { 0x52, 0x0000 }, | |
58 | { 0x54, 0x0000 }, | |
59 | { 0x6a, 0x0000 }, | |
60 | { 0x6e, 0x1000 }, | |
61 | { 0x72, 0x0000 }, | |
62 | { 0x78, 0x0000 }, | |
63 | }; | |
64 | ||
65 | static const struct regmap_config stac9766_regmap_config = { | |
66 | .reg_bits = 16, | |
67 | .reg_stride = 2, | |
68 | .val_bits = 16, | |
69 | .max_register = 0x78, | |
4810c775 | 70 | .cache_type = REGCACHE_MAPLE, |
6bbf787b LPC |
71 | |
72 | .volatile_reg = regmap_ac97_default_volatile, | |
73 | ||
74 | .reg_defaults = stac9766_reg_defaults, | |
75 | .num_reg_defaults = ARRAY_SIZE(stac9766_reg_defaults), | |
3c166c7f JS |
76 | }; |
77 | ||
05e1efa2 MB |
78 | static const char *stac9766_record_mux[] = {"Mic", "CD", "Video", "AUX", |
79 | "Line", "Stereo Mix", "Mono Mix", "Phone"}; | |
3c166c7f JS |
80 | static const char *stac9766_mono_mux[] = {"Mix", "Mic"}; |
81 | static const char *stac9766_mic_mux[] = {"Mic1", "Mic2"}; | |
82 | static const char *stac9766_SPDIF_mux[] = {"PCM", "ADC Record"}; | |
83 | static const char *stac9766_popbypass_mux[] = {"Normal", "Bypass Mixer"}; | |
05e1efa2 MB |
84 | static const char *stac9766_record_all_mux[] = {"All analog", |
85 | "Analog plus DAC"}; | |
3c166c7f JS |
86 | static const char *stac9766_boost1[] = {"0dB", "10dB"}; |
87 | static const char *stac9766_boost2[] = {"0dB", "20dB"}; | |
88 | static const char *stac9766_stereo_mic[] = {"Off", "On"}; | |
89 | ||
3cd7ca58 TI |
90 | static SOC_ENUM_DOUBLE_DECL(stac9766_record_enum, |
91 | AC97_REC_SEL, 8, 0, stac9766_record_mux); | |
92 | static SOC_ENUM_SINGLE_DECL(stac9766_mono_enum, | |
93 | AC97_GENERAL_PURPOSE, 9, stac9766_mono_mux); | |
94 | static SOC_ENUM_SINGLE_DECL(stac9766_mic_enum, | |
95 | AC97_GENERAL_PURPOSE, 8, stac9766_mic_mux); | |
96 | static SOC_ENUM_SINGLE_DECL(stac9766_SPDIF_enum, | |
97 | AC97_STAC_DA_CONTROL, 1, stac9766_SPDIF_mux); | |
98 | static SOC_ENUM_SINGLE_DECL(stac9766_popbypass_enum, | |
99 | AC97_GENERAL_PURPOSE, 15, stac9766_popbypass_mux); | |
100 | static SOC_ENUM_SINGLE_DECL(stac9766_record_all_enum, | |
101 | AC97_STAC_ANALOG_SPECIAL, 12, | |
102 | stac9766_record_all_mux); | |
103 | static SOC_ENUM_SINGLE_DECL(stac9766_boost1_enum, | |
104 | AC97_MIC, 6, stac9766_boost1); /* 0/10dB */ | |
105 | static SOC_ENUM_SINGLE_DECL(stac9766_boost2_enum, | |
106 | AC97_STAC_ANALOG_SPECIAL, 2, stac9766_boost2); /* 0/20dB */ | |
107 | static SOC_ENUM_SINGLE_DECL(stac9766_stereo_mic_enum, | |
108 | AC97_STAC_STEREO_MIC, 2, stac9766_stereo_mic); | |
3c166c7f | 109 | |
f2b2f6dc TS |
110 | static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(master_tlv, -4650, 150, 0); |
111 | static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(record_tlv, 0, 150, 0); | |
112 | static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(beep_tlv, -4500, 300, 0); | |
113 | static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(mix_tlv, -3450, 150, 0); | |
3c166c7f JS |
114 | |
115 | static const struct snd_kcontrol_new stac9766_snd_ac97_controls[] = { | |
116 | SOC_DOUBLE_TLV("Speaker Volume", AC97_MASTER, 8, 0, 31, 1, master_tlv), | |
117 | SOC_SINGLE("Speaker Switch", AC97_MASTER, 15, 1, 1), | |
05e1efa2 MB |
118 | SOC_DOUBLE_TLV("Headphone Volume", AC97_HEADPHONE, 8, 0, 31, 1, |
119 | master_tlv), | |
3c166c7f | 120 | SOC_SINGLE("Headphone Switch", AC97_HEADPHONE, 15, 1, 1), |
05e1efa2 MB |
121 | SOC_SINGLE_TLV("Mono Out Volume", AC97_MASTER_MONO, 0, 31, 1, |
122 | master_tlv), | |
3c166c7f JS |
123 | SOC_SINGLE("Mono Out Switch", AC97_MASTER_MONO, 15, 1, 1), |
124 | ||
125 | SOC_DOUBLE_TLV("Record Volume", AC97_REC_GAIN, 8, 0, 15, 0, record_tlv), | |
126 | SOC_SINGLE("Record Switch", AC97_REC_GAIN, 15, 1, 1), | |
127 | ||
128 | ||
129 | SOC_SINGLE_TLV("Beep Volume", AC97_PC_BEEP, 1, 15, 1, beep_tlv), | |
130 | SOC_SINGLE("Beep Switch", AC97_PC_BEEP, 15, 1, 1), | |
131 | SOC_SINGLE("Beep Frequency", AC97_PC_BEEP, 5, 127, 1), | |
132 | SOC_SINGLE_TLV("Phone Volume", AC97_PHONE, 0, 31, 1, mix_tlv), | |
133 | SOC_SINGLE("Phone Switch", AC97_PHONE, 15, 1, 1), | |
134 | ||
135 | SOC_ENUM("Mic Boost1", stac9766_boost1_enum), | |
136 | SOC_ENUM("Mic Boost2", stac9766_boost2_enum), | |
137 | SOC_SINGLE_TLV("Mic Volume", AC97_MIC, 0, 31, 1, mix_tlv), | |
138 | SOC_SINGLE("Mic Switch", AC97_MIC, 15, 1, 1), | |
139 | SOC_ENUM("Stereo Mic", stac9766_stereo_mic_enum), | |
140 | ||
141 | SOC_DOUBLE_TLV("Line Volume", AC97_LINE, 8, 0, 31, 1, mix_tlv), | |
142 | SOC_SINGLE("Line Switch", AC97_LINE, 15, 1, 1), | |
143 | SOC_DOUBLE_TLV("CD Volume", AC97_CD, 8, 0, 31, 1, mix_tlv), | |
144 | SOC_SINGLE("CD Switch", AC97_CD, 15, 1, 1), | |
145 | SOC_DOUBLE_TLV("AUX Volume", AC97_AUX, 8, 0, 31, 1, mix_tlv), | |
146 | SOC_SINGLE("AUX Switch", AC97_AUX, 15, 1, 1), | |
147 | SOC_DOUBLE_TLV("Video Volume", AC97_VIDEO, 8, 0, 31, 1, mix_tlv), | |
148 | SOC_SINGLE("Video Switch", AC97_VIDEO, 15, 1, 1), | |
149 | ||
150 | SOC_DOUBLE_TLV("DAC Volume", AC97_PCM, 8, 0, 31, 1, mix_tlv), | |
151 | SOC_SINGLE("DAC Switch", AC97_PCM, 15, 1, 1), | |
152 | SOC_SINGLE("Loopback Test Switch", AC97_GENERAL_PURPOSE, 7, 1, 0), | |
153 | SOC_SINGLE("3D Volume", AC97_3D_CONTROL, 3, 2, 1), | |
154 | SOC_SINGLE("3D Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), | |
155 | ||
156 | SOC_ENUM("SPDIF Mux", stac9766_SPDIF_enum), | |
157 | SOC_ENUM("Mic1/2 Mux", stac9766_mic_enum), | |
158 | SOC_ENUM("Record All Mux", stac9766_record_all_enum), | |
159 | SOC_ENUM("Record Mux", stac9766_record_enum), | |
160 | SOC_ENUM("Mono Mux", stac9766_mono_enum), | |
161 | SOC_ENUM("Pop Bypass Mux", stac9766_popbypass_enum), | |
162 | }; | |
163 | ||
3c166c7f | 164 | static int ac97_analog_prepare(struct snd_pcm_substream *substream, |
05e1efa2 | 165 | struct snd_soc_dai *dai) |
3c166c7f | 166 | { |
b5b410de | 167 | struct snd_soc_component *component = dai->component; |
3c166c7f | 168 | struct snd_pcm_runtime *runtime = substream->runtime; |
7aacbc7f | 169 | unsigned short reg; |
3c166c7f | 170 | |
7aacbc7f | 171 | /* enable variable rate audio, disable SPDIF output */ |
b5b410de | 172 | snd_soc_component_update_bits(component, AC97_EXTENDED_STATUS, 0x5, 0x1); |
3c166c7f JS |
173 | |
174 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
175 | reg = AC97_PCM_FRONT_DAC_RATE; | |
176 | else | |
177 | reg = AC97_PCM_LR_ADC_RATE; | |
178 | ||
b5b410de | 179 | return snd_soc_component_write(component, reg, runtime->rate); |
3c166c7f JS |
180 | } |
181 | ||
182 | static int ac97_digital_prepare(struct snd_pcm_substream *substream, | |
05e1efa2 | 183 | struct snd_soc_dai *dai) |
3c166c7f | 184 | { |
b5b410de | 185 | struct snd_soc_component *component = dai->component; |
3c166c7f | 186 | struct snd_pcm_runtime *runtime = substream->runtime; |
7aacbc7f | 187 | unsigned short reg; |
3c166c7f | 188 | |
b5b410de | 189 | snd_soc_component_write(component, AC97_SPDIF, 0x2002); |
3c166c7f | 190 | |
7aacbc7f | 191 | /* Enable VRA and SPDIF out */ |
b5b410de | 192 | snd_soc_component_update_bits(component, AC97_EXTENDED_STATUS, 0x5, 0x5); |
3c166c7f JS |
193 | |
194 | reg = AC97_PCM_FRONT_DAC_RATE; | |
195 | ||
b5b410de | 196 | return snd_soc_component_write(component, reg, runtime->rate); |
3c166c7f JS |
197 | } |
198 | ||
b5b410de | 199 | static int stac9766_set_bias_level(struct snd_soc_component *component, |
05e1efa2 | 200 | enum snd_soc_bias_level level) |
3c166c7f JS |
201 | { |
202 | switch (level) { | |
203 | case SND_SOC_BIAS_ON: /* full On */ | |
204 | case SND_SOC_BIAS_PREPARE: /* partial On */ | |
205 | case SND_SOC_BIAS_STANDBY: /* Off, with power */ | |
b5b410de | 206 | snd_soc_component_write(component, AC97_POWERDOWN, 0x0000); |
3c166c7f JS |
207 | break; |
208 | case SND_SOC_BIAS_OFF: /* Off, without power */ | |
209 | /* disable everything including AC link */ | |
b5b410de | 210 | snd_soc_component_write(component, AC97_POWERDOWN, 0xffff); |
3c166c7f JS |
211 | break; |
212 | } | |
3c166c7f JS |
213 | return 0; |
214 | } | |
215 | ||
b5b410de | 216 | static int stac9766_component_resume(struct snd_soc_component *component) |
3c166c7f | 217 | { |
b5b410de | 218 | struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component); |
3c166c7f | 219 | |
017e800a LPC |
220 | return snd_ac97_reset(ac97, true, STAC9766_VENDOR_ID, |
221 | STAC9766_VENDOR_ID_MASK); | |
3c166c7f JS |
222 | } |
223 | ||
85e7652d | 224 | static const struct snd_soc_dai_ops stac9766_dai_ops_analog = { |
3c166c7f JS |
225 | .prepare = ac97_analog_prepare, |
226 | }; | |
227 | ||
85e7652d | 228 | static const struct snd_soc_dai_ops stac9766_dai_ops_digital = { |
3c166c7f | 229 | .prepare = ac97_digital_prepare, |
3c166c7f JS |
230 | }; |
231 | ||
f0fba2ad | 232 | static struct snd_soc_dai_driver stac9766_dai[] = { |
3c166c7f | 233 | { |
f0fba2ad | 234 | .name = "stac9766-hifi-analog", |
3c166c7f JS |
235 | |
236 | /* stream cababilities */ | |
237 | .playback = { | |
238 | .stream_name = "stac9766 analog", | |
239 | .channels_min = 1, | |
240 | .channels_max = 2, | |
241 | .rates = SNDRV_PCM_RATE_8000_48000, | |
242 | .formats = SND_SOC_STD_AC97_FMTS, | |
243 | }, | |
244 | .capture = { | |
245 | .stream_name = "stac9766 analog", | |
246 | .channels_min = 1, | |
247 | .channels_max = 2, | |
248 | .rates = SNDRV_PCM_RATE_8000_48000, | |
249 | .formats = SND_SOC_STD_AC97_FMTS, | |
250 | }, | |
251 | /* alsa ops */ | |
252 | .ops = &stac9766_dai_ops_analog, | |
253 | }, | |
254 | { | |
f0fba2ad | 255 | .name = "stac9766-hifi-IEC958", |
3c166c7f JS |
256 | |
257 | /* stream cababilities */ | |
258 | .playback = { | |
259 | .stream_name = "stac9766 IEC958", | |
260 | .channels_min = 1, | |
261 | .channels_max = 2, | |
262 | .rates = SNDRV_PCM_RATE_32000 | \ | |
263 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, | |
e712bfca | 264 | .formats = SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE, |
3c166c7f JS |
265 | }, |
266 | /* alsa ops */ | |
267 | .ops = &stac9766_dai_ops_digital, | |
05e1efa2 MB |
268 | } |
269 | }; | |
3c166c7f | 270 | |
b5b410de | 271 | static int stac9766_component_probe(struct snd_soc_component *component) |
3c166c7f | 272 | { |
358a8bb5 | 273 | struct snd_ac97 *ac97; |
6bbf787b LPC |
274 | struct regmap *regmap; |
275 | int ret; | |
3c166c7f | 276 | |
b5b410de | 277 | ac97 = snd_soc_new_ac97_component(component, STAC9766_VENDOR_ID, |
017e800a | 278 | STAC9766_VENDOR_ID_MASK); |
358a8bb5 LPC |
279 | if (IS_ERR(ac97)) |
280 | return PTR_ERR(ac97); | |
281 | ||
6bbf787b LPC |
282 | regmap = regmap_init_ac97(ac97, &stac9766_regmap_config); |
283 | if (IS_ERR(regmap)) { | |
284 | ret = PTR_ERR(regmap); | |
285 | goto err_free_ac97; | |
286 | } | |
287 | ||
b5b410de KM |
288 | snd_soc_component_init_regmap(component, regmap); |
289 | snd_soc_component_set_drvdata(component, ac97); | |
3c166c7f | 290 | |
3c166c7f | 291 | return 0; |
6bbf787b | 292 | err_free_ac97: |
b5b410de | 293 | snd_soc_free_ac97_component(ac97); |
6bbf787b | 294 | return ret; |
3c166c7f JS |
295 | } |
296 | ||
b5b410de | 297 | static void stac9766_component_remove(struct snd_soc_component *component) |
3c166c7f | 298 | { |
b5b410de | 299 | struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component); |
358a8bb5 | 300 | |
b5b410de KM |
301 | snd_soc_component_exit_regmap(component); |
302 | snd_soc_free_ac97_component(ac97); | |
3c166c7f JS |
303 | } |
304 | ||
b5b410de KM |
305 | static const struct snd_soc_component_driver soc_component_dev_stac9766 = { |
306 | .controls = stac9766_snd_ac97_controls, | |
307 | .num_controls = ARRAY_SIZE(stac9766_snd_ac97_controls), | |
308 | .set_bias_level = stac9766_set_bias_level, | |
309 | .probe = stac9766_component_probe, | |
310 | .remove = stac9766_component_remove, | |
311 | .resume = stac9766_component_resume, | |
312 | .suspend_bias_off = 1, | |
313 | .idle_bias_on = 1, | |
314 | .use_pmdown_time = 1, | |
315 | .endianness = 1, | |
f0fba2ad LG |
316 | }; |
317 | ||
7a79e94e | 318 | static int stac9766_probe(struct platform_device *pdev) |
f0fba2ad | 319 | { |
b5b410de KM |
320 | return devm_snd_soc_register_component(&pdev->dev, |
321 | &soc_component_dev_stac9766, stac9766_dai, ARRAY_SIZE(stac9766_dai)); | |
f0fba2ad LG |
322 | } |
323 | ||
324 | static struct platform_driver stac9766_codec_driver = { | |
325 | .driver = { | |
326 | .name = "stac9766-codec", | |
f0fba2ad LG |
327 | }, |
328 | ||
329 | .probe = stac9766_probe, | |
3c166c7f | 330 | }; |
f0fba2ad | 331 | |
5bbcc3c0 | 332 | module_platform_driver(stac9766_codec_driver); |
3c166c7f | 333 | |
3c166c7f JS |
334 | MODULE_DESCRIPTION("ASoC stac9766 driver"); |
335 | MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>"); | |
336 | MODULE_LICENSE("GPL"); |