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17#include <linux/init.h>
18#include <linux/slab.h>
19#include <linux/module.h>
20#include <linux/device.h>
21#include <linux/regmap.h>
22#include <sound/core.h>
23#include <sound/pcm.h>
24#include <sound/ac97_codec.h>
25#include <sound/initval.h>
26#include <sound/pcm_params.h>
27#include <sound/soc.h>
28#include <sound/tlv.h>
29
30#define STAC9766_VENDOR_ID 0x83847666
31#define STAC9766_VENDOR_ID_MASK 0xffffffff
32
33#define AC97_STAC_DA_CONTROL 0x6A
34#define AC97_STAC_ANALOG_SPECIAL 0x6E
35#define AC97_STAC_STEREO_MIC 0x78
36
37static const struct reg_default stac9766_reg_defaults[] = {
38 { 0x02, 0x8000 },
39 { 0x04, 0x8000 },
40 { 0x06, 0x8000 },
41 { 0x0a, 0x0000 },
42 { 0x0c, 0x8008 },
43 { 0x0e, 0x8008 },
44 { 0x10, 0x8808 },
45 { 0x12, 0x8808 },
46 { 0x14, 0x8808 },
47 { 0x16, 0x8808 },
48 { 0x18, 0x8808 },
49 { 0x1a, 0x0000 },
50 { 0x1c, 0x8000 },
51 { 0x20, 0x0000 },
52 { 0x22, 0x0000 },
53 { 0x28, 0x0a05 },
54 { 0x2c, 0xbb80 },
55 { 0x32, 0xbb80 },
56 { 0x3a, 0x2000 },
57 { 0x3e, 0x0100 },
58 { 0x4c, 0x0300 },
59 { 0x4e, 0xffff },
60 { 0x50, 0x0000 },
61 { 0x52, 0x0000 },
62 { 0x54, 0x0000 },
63 { 0x6a, 0x0000 },
64 { 0x6e, 0x1000 },
65 { 0x72, 0x0000 },
66 { 0x78, 0x0000 },
67};
68
69static const struct regmap_config stac9766_regmap_config = {
70 .reg_bits = 16,
71 .reg_stride = 2,
72 .val_bits = 16,
73 .max_register = 0x78,
74 .cache_type = REGCACHE_RBTREE,
75
76 .volatile_reg = regmap_ac97_default_volatile,
77
78 .reg_defaults = stac9766_reg_defaults,
79 .num_reg_defaults = ARRAY_SIZE(stac9766_reg_defaults),
80};
81
82static const char *stac9766_record_mux[] = {"Mic", "CD", "Video", "AUX",
83 "Line", "Stereo Mix", "Mono Mix", "Phone"};
84static const char *stac9766_mono_mux[] = {"Mix", "Mic"};
85static const char *stac9766_mic_mux[] = {"Mic1", "Mic2"};
86static const char *stac9766_SPDIF_mux[] = {"PCM", "ADC Record"};
87static const char *stac9766_popbypass_mux[] = {"Normal", "Bypass Mixer"};
88static const char *stac9766_record_all_mux[] = {"All analog",
89 "Analog plus DAC"};
90static const char *stac9766_boost1[] = {"0dB", "10dB"};
91static const char *stac9766_boost2[] = {"0dB", "20dB"};
92static const char *stac9766_stereo_mic[] = {"Off", "On"};
93
94static SOC_ENUM_DOUBLE_DECL(stac9766_record_enum,
95 AC97_REC_SEL, 8, 0, stac9766_record_mux);
96static SOC_ENUM_SINGLE_DECL(stac9766_mono_enum,
97 AC97_GENERAL_PURPOSE, 9, stac9766_mono_mux);
98static SOC_ENUM_SINGLE_DECL(stac9766_mic_enum,
99 AC97_GENERAL_PURPOSE, 8, stac9766_mic_mux);
100static SOC_ENUM_SINGLE_DECL(stac9766_SPDIF_enum,
101 AC97_STAC_DA_CONTROL, 1, stac9766_SPDIF_mux);
102static SOC_ENUM_SINGLE_DECL(stac9766_popbypass_enum,
103 AC97_GENERAL_PURPOSE, 15, stac9766_popbypass_mux);
104static SOC_ENUM_SINGLE_DECL(stac9766_record_all_enum,
105 AC97_STAC_ANALOG_SPECIAL, 12,
106 stac9766_record_all_mux);
107static SOC_ENUM_SINGLE_DECL(stac9766_boost1_enum,
108 AC97_MIC, 6, stac9766_boost1);
109static SOC_ENUM_SINGLE_DECL(stac9766_boost2_enum,
110 AC97_STAC_ANALOG_SPECIAL, 2, stac9766_boost2);
111static SOC_ENUM_SINGLE_DECL(stac9766_stereo_mic_enum,
112 AC97_STAC_STEREO_MIC, 2, stac9766_stereo_mic);
113
114static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(master_tlv, -4650, 150, 0);
115static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(record_tlv, 0, 150, 0);
116static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(beep_tlv, -4500, 300, 0);
117static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(mix_tlv, -3450, 150, 0);
118
119static const struct snd_kcontrol_new stac9766_snd_ac97_controls[] = {
120 SOC_DOUBLE_TLV("Speaker Volume", AC97_MASTER, 8, 0, 31, 1, master_tlv),
121 SOC_SINGLE("Speaker Switch", AC97_MASTER, 15, 1, 1),
122 SOC_DOUBLE_TLV("Headphone Volume", AC97_HEADPHONE, 8, 0, 31, 1,
123 master_tlv),
124 SOC_SINGLE("Headphone Switch", AC97_HEADPHONE, 15, 1, 1),
125 SOC_SINGLE_TLV("Mono Out Volume", AC97_MASTER_MONO, 0, 31, 1,
126 master_tlv),
127 SOC_SINGLE("Mono Out Switch", AC97_MASTER_MONO, 15, 1, 1),
128
129 SOC_DOUBLE_TLV("Record Volume", AC97_REC_GAIN, 8, 0, 15, 0, record_tlv),
130 SOC_SINGLE("Record Switch", AC97_REC_GAIN, 15, 1, 1),
131
132
133 SOC_SINGLE_TLV("Beep Volume", AC97_PC_BEEP, 1, 15, 1, beep_tlv),
134 SOC_SINGLE("Beep Switch", AC97_PC_BEEP, 15, 1, 1),
135 SOC_SINGLE("Beep Frequency", AC97_PC_BEEP, 5, 127, 1),
136 SOC_SINGLE_TLV("Phone Volume", AC97_PHONE, 0, 31, 1, mix_tlv),
137 SOC_SINGLE("Phone Switch", AC97_PHONE, 15, 1, 1),
138
139 SOC_ENUM("Mic Boost1", stac9766_boost1_enum),
140 SOC_ENUM("Mic Boost2", stac9766_boost2_enum),
141 SOC_SINGLE_TLV("Mic Volume", AC97_MIC, 0, 31, 1, mix_tlv),
142 SOC_SINGLE("Mic Switch", AC97_MIC, 15, 1, 1),
143 SOC_ENUM("Stereo Mic", stac9766_stereo_mic_enum),
144
145 SOC_DOUBLE_TLV("Line Volume", AC97_LINE, 8, 0, 31, 1, mix_tlv),
146 SOC_SINGLE("Line Switch", AC97_LINE, 15, 1, 1),
147 SOC_DOUBLE_TLV("CD Volume", AC97_CD, 8, 0, 31, 1, mix_tlv),
148 SOC_SINGLE("CD Switch", AC97_CD, 15, 1, 1),
149 SOC_DOUBLE_TLV("AUX Volume", AC97_AUX, 8, 0, 31, 1, mix_tlv),
150 SOC_SINGLE("AUX Switch", AC97_AUX, 15, 1, 1),
151 SOC_DOUBLE_TLV("Video Volume", AC97_VIDEO, 8, 0, 31, 1, mix_tlv),
152 SOC_SINGLE("Video Switch", AC97_VIDEO, 15, 1, 1),
153
154 SOC_DOUBLE_TLV("DAC Volume", AC97_PCM, 8, 0, 31, 1, mix_tlv),
155 SOC_SINGLE("DAC Switch", AC97_PCM, 15, 1, 1),
156 SOC_SINGLE("Loopback Test Switch", AC97_GENERAL_PURPOSE, 7, 1, 0),
157 SOC_SINGLE("3D Volume", AC97_3D_CONTROL, 3, 2, 1),
158 SOC_SINGLE("3D Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
159
160 SOC_ENUM("SPDIF Mux", stac9766_SPDIF_enum),
161 SOC_ENUM("Mic1/2 Mux", stac9766_mic_enum),
162 SOC_ENUM("Record All Mux", stac9766_record_all_enum),
163 SOC_ENUM("Record Mux", stac9766_record_enum),
164 SOC_ENUM("Mono Mux", stac9766_mono_enum),
165 SOC_ENUM("Pop Bypass Mux", stac9766_popbypass_enum),
166};
167
168static int ac97_analog_prepare(struct snd_pcm_substream *substream,
169 struct snd_soc_dai *dai)
170{
171 struct snd_soc_codec *codec = dai->codec;
172 struct snd_pcm_runtime *runtime = substream->runtime;
173 unsigned short reg;
174
175
176 snd_soc_update_bits(codec, AC97_EXTENDED_STATUS, 0x5, 0x1);
177
178 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
179 reg = AC97_PCM_FRONT_DAC_RATE;
180 else
181 reg = AC97_PCM_LR_ADC_RATE;
182
183 return snd_soc_write(codec, reg, runtime->rate);
184}
185
186static int ac97_digital_prepare(struct snd_pcm_substream *substream,
187 struct snd_soc_dai *dai)
188{
189 struct snd_soc_codec *codec = dai->codec;
190 struct snd_pcm_runtime *runtime = substream->runtime;
191 unsigned short reg;
192
193 snd_soc_write(codec, AC97_SPDIF, 0x2002);
194
195
196 snd_soc_update_bits(codec, AC97_EXTENDED_STATUS, 0x5, 0x5);
197
198 reg = AC97_PCM_FRONT_DAC_RATE;
199
200 return snd_soc_write(codec, reg, runtime->rate);
201}
202
203static int stac9766_set_bias_level(struct snd_soc_codec *codec,
204 enum snd_soc_bias_level level)
205{
206 switch (level) {
207 case SND_SOC_BIAS_ON:
208 case SND_SOC_BIAS_PREPARE:
209 case SND_SOC_BIAS_STANDBY:
210 snd_soc_write(codec, AC97_POWERDOWN, 0x0000);
211 break;
212 case SND_SOC_BIAS_OFF:
213
214 snd_soc_write(codec, AC97_POWERDOWN, 0xffff);
215 break;
216 }
217 return 0;
218}
219
220static int stac9766_codec_resume(struct snd_soc_codec *codec)
221{
222 struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
223
224 return snd_ac97_reset(ac97, true, STAC9766_VENDOR_ID,
225 STAC9766_VENDOR_ID_MASK);
226}
227
228static const struct snd_soc_dai_ops stac9766_dai_ops_analog = {
229 .prepare = ac97_analog_prepare,
230};
231
232static const struct snd_soc_dai_ops stac9766_dai_ops_digital = {
233 .prepare = ac97_digital_prepare,
234};
235
236static struct snd_soc_dai_driver stac9766_dai[] = {
237{
238 .name = "stac9766-hifi-analog",
239
240
241 .playback = {
242 .stream_name = "stac9766 analog",
243 .channels_min = 1,
244 .channels_max = 2,
245 .rates = SNDRV_PCM_RATE_8000_48000,
246 .formats = SND_SOC_STD_AC97_FMTS,
247 },
248 .capture = {
249 .stream_name = "stac9766 analog",
250 .channels_min = 1,
251 .channels_max = 2,
252 .rates = SNDRV_PCM_RATE_8000_48000,
253 .formats = SND_SOC_STD_AC97_FMTS,
254 },
255
256 .ops = &stac9766_dai_ops_analog,
257},
258{
259 .name = "stac9766-hifi-IEC958",
260
261
262 .playback = {
263 .stream_name = "stac9766 IEC958",
264 .channels_min = 1,
265 .channels_max = 2,
266 .rates = SNDRV_PCM_RATE_32000 | \
267 SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
268 .formats = SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE,
269 },
270
271 .ops = &stac9766_dai_ops_digital,
272}
273};
274
275static int stac9766_codec_probe(struct snd_soc_codec *codec)
276{
277 struct snd_ac97 *ac97;
278 struct regmap *regmap;
279 int ret;
280
281 ac97 = snd_soc_new_ac97_codec(codec, STAC9766_VENDOR_ID,
282 STAC9766_VENDOR_ID_MASK);
283 if (IS_ERR(ac97))
284 return PTR_ERR(ac97);
285
286 regmap = regmap_init_ac97(ac97, &stac9766_regmap_config);
287 if (IS_ERR(regmap)) {
288 ret = PTR_ERR(regmap);
289 goto err_free_ac97;
290 }
291
292 snd_soc_codec_init_regmap(codec, regmap);
293 snd_soc_codec_set_drvdata(codec, ac97);
294
295 return 0;
296err_free_ac97:
297 snd_soc_free_ac97_codec(ac97);
298 return ret;
299}
300
301static int stac9766_codec_remove(struct snd_soc_codec *codec)
302{
303 struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
304
305 snd_soc_codec_exit_regmap(codec);
306 snd_soc_free_ac97_codec(ac97);
307 return 0;
308}
309
310static const struct snd_soc_codec_driver soc_codec_dev_stac9766 = {
311 .component_driver = {
312 .controls = stac9766_snd_ac97_controls,
313 .num_controls = ARRAY_SIZE(stac9766_snd_ac97_controls),
314 },
315 .set_bias_level = stac9766_set_bias_level,
316 .suspend_bias_off = true,
317 .probe = stac9766_codec_probe,
318 .remove = stac9766_codec_remove,
319 .resume = stac9766_codec_resume,
320};
321
322static int stac9766_probe(struct platform_device *pdev)
323{
324 return snd_soc_register_codec(&pdev->dev,
325 &soc_codec_dev_stac9766, stac9766_dai, ARRAY_SIZE(stac9766_dai));
326}
327
328static int stac9766_remove(struct platform_device *pdev)
329{
330 snd_soc_unregister_codec(&pdev->dev);
331 return 0;
332}
333
334static struct platform_driver stac9766_codec_driver = {
335 .driver = {
336 .name = "stac9766-codec",
337 },
338
339 .probe = stac9766_probe,
340 .remove = stac9766_remove,
341};
342
343module_platform_driver(stac9766_codec_driver);
344
345MODULE_DESCRIPTION("ASoC stac9766 driver");
346MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
347MODULE_LICENSE("GPL");
348
