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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 <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>
28
29#include "stac9766.h"
30
31#define STAC9766_VENDOR_ID 0x83847666
32#define STAC9766_VENDOR_ID_MASK 0xffffffff
33
34
35
36
37static const u16 stac9766_reg[] = {
38 0x6A90, 0x8000, 0x8000, 0x8000,
39 0x0000, 0x0000, 0x8008, 0x8008,
40 0x8808, 0x8808, 0x8808, 0x8808,
41 0x8808, 0x0000, 0x8000, 0x0000,
42 0x0000, 0x0000, 0x0000, 0x000f,
43 0x0a05, 0x0400, 0xbb80, 0x0000,
44 0x0000, 0xbb80, 0x0000, 0x0000,
45 0x0000, 0x2000, 0x0000, 0x0100,
46 0x0000, 0x0000, 0x0080, 0x0000,
47 0x0000, 0x0000, 0x0003, 0xffff,
48 0x0000, 0x0000, 0x0000, 0x0000,
49 0x4000, 0x0000, 0x0000, 0x0000,
50 0x1201, 0xFFFF, 0xFFFF, 0x0000,
51 0x0000, 0x0000, 0x0000, 0x0000,
52 0x0000, 0x0000, 0x0000, 0x0006,
53 0x0000, 0x0000, 0x0000, 0x0000,
54};
55
56static const char *stac9766_record_mux[] = {"Mic", "CD", "Video", "AUX",
57 "Line", "Stereo Mix", "Mono Mix", "Phone"};
58static const char *stac9766_mono_mux[] = {"Mix", "Mic"};
59static const char *stac9766_mic_mux[] = {"Mic1", "Mic2"};
60static const char *stac9766_SPDIF_mux[] = {"PCM", "ADC Record"};
61static const char *stac9766_popbypass_mux[] = {"Normal", "Bypass Mixer"};
62static const char *stac9766_record_all_mux[] = {"All analog",
63 "Analog plus DAC"};
64static const char *stac9766_boost1[] = {"0dB", "10dB"};
65static const char *stac9766_boost2[] = {"0dB", "20dB"};
66static const char *stac9766_stereo_mic[] = {"Off", "On"};
67
68static SOC_ENUM_DOUBLE_DECL(stac9766_record_enum,
69 AC97_REC_SEL, 8, 0, stac9766_record_mux);
70static SOC_ENUM_SINGLE_DECL(stac9766_mono_enum,
71 AC97_GENERAL_PURPOSE, 9, stac9766_mono_mux);
72static SOC_ENUM_SINGLE_DECL(stac9766_mic_enum,
73 AC97_GENERAL_PURPOSE, 8, stac9766_mic_mux);
74static SOC_ENUM_SINGLE_DECL(stac9766_SPDIF_enum,
75 AC97_STAC_DA_CONTROL, 1, stac9766_SPDIF_mux);
76static SOC_ENUM_SINGLE_DECL(stac9766_popbypass_enum,
77 AC97_GENERAL_PURPOSE, 15, stac9766_popbypass_mux);
78static SOC_ENUM_SINGLE_DECL(stac9766_record_all_enum,
79 AC97_STAC_ANALOG_SPECIAL, 12,
80 stac9766_record_all_mux);
81static SOC_ENUM_SINGLE_DECL(stac9766_boost1_enum,
82 AC97_MIC, 6, stac9766_boost1);
83static SOC_ENUM_SINGLE_DECL(stac9766_boost2_enum,
84 AC97_STAC_ANALOG_SPECIAL, 2, stac9766_boost2);
85static SOC_ENUM_SINGLE_DECL(stac9766_stereo_mic_enum,
86 AC97_STAC_STEREO_MIC, 2, stac9766_stereo_mic);
87
88static const DECLARE_TLV_DB_LINEAR(master_tlv, -4600, 0);
89static const DECLARE_TLV_DB_LINEAR(record_tlv, 0, 2250);
90static const DECLARE_TLV_DB_LINEAR(beep_tlv, -4500, 0);
91static const DECLARE_TLV_DB_LINEAR(mix_tlv, -3450, 1200);
92
93static 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),
96 SOC_DOUBLE_TLV("Headphone Volume", AC97_HEADPHONE, 8, 0, 31, 1,
97 master_tlv),
98 SOC_SINGLE("Headphone Switch", AC97_HEADPHONE, 15, 1, 1),
99 SOC_SINGLE_TLV("Mono Out Volume", AC97_MASTER_MONO, 0, 31, 1,
100 master_tlv),
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
142static int stac9766_ac97_write(struct snd_soc_codec *codec, unsigned int reg,
143 unsigned int val)
144{
145 struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
146 u16 *cache = codec->reg_cache;
147
148 if (reg > AC97_STAC_PAGE0) {
149 stac9766_ac97_write(codec, AC97_INT_PAGING, 0);
150 soc_ac97_ops->write(ac97, reg, val);
151 stac9766_ac97_write(codec, AC97_INT_PAGING, 1);
152 return 0;
153 }
154 if (reg / 2 >= ARRAY_SIZE(stac9766_reg))
155 return -EIO;
156
157 soc_ac97_ops->write(ac97, reg, val);
158 cache[reg / 2] = val;
159 return 0;
160}
161
162static unsigned int stac9766_ac97_read(struct snd_soc_codec *codec,
163 unsigned int reg)
164{
165 struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
166 u16 val = 0, *cache = codec->reg_cache;
167
168 if (reg > AC97_STAC_PAGE0) {
169 stac9766_ac97_write(codec, AC97_INT_PAGING, 0);
170 val = soc_ac97_ops->read(ac97, reg - AC97_STAC_PAGE0);
171 stac9766_ac97_write(codec, AC97_INT_PAGING, 1);
172 return val;
173 }
174 if (reg / 2 >= ARRAY_SIZE(stac9766_reg))
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
181 val = soc_ac97_ops->read(ac97, reg);
182 return val;
183 }
184 return cache[reg / 2];
185}
186
187static int ac97_analog_prepare(struct snd_pcm_substream *substream,
188 struct snd_soc_dai *dai)
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;
197 vra &= ~0x4;
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
209static int ac97_digital_prepare(struct snd_pcm_substream *substream,
210 struct snd_soc_dai *dai)
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;
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
228static int stac9766_set_bias_level(struct snd_soc_codec *codec,
229 enum snd_soc_bias_level level)
230{
231 switch (level) {
232 case SND_SOC_BIAS_ON:
233 case SND_SOC_BIAS_PREPARE:
234 case SND_SOC_BIAS_STANDBY:
235 stac9766_ac97_write(codec, AC97_POWERDOWN, 0x0000);
236 break;
237 case SND_SOC_BIAS_OFF:
238
239 stac9766_ac97_write(codec, AC97_POWERDOWN, 0xffff);
240 break;
241 }
242 return 0;
243}
244
245static int stac9766_codec_resume(struct snd_soc_codec *codec)
246{
247 struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
248
249 return snd_ac97_reset(ac97, true, STAC9766_VENDOR_ID,
250 STAC9766_VENDOR_ID_MASK);
251}
252
253static const struct snd_soc_dai_ops stac9766_dai_ops_analog = {
254 .prepare = ac97_analog_prepare,
255};
256
257static const struct snd_soc_dai_ops stac9766_dai_ops_digital = {
258 .prepare = ac97_digital_prepare,
259};
260
261static struct snd_soc_dai_driver stac9766_dai[] = {
262{
263 .name = "stac9766-hifi-analog",
264
265
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
281 .ops = &stac9766_dai_ops_analog,
282},
283{
284 .name = "stac9766-hifi-IEC958",
285
286
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,
293 .formats = SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE,
294 },
295
296 .ops = &stac9766_dai_ops_digital,
297}
298};
299
300static int stac9766_codec_probe(struct snd_soc_codec *codec)
301{
302 struct snd_ac97 *ac97;
303
304 ac97 = snd_soc_new_ac97_codec(codec, STAC9766_VENDOR_ID,
305 STAC9766_VENDOR_ID_MASK);
306 if (IS_ERR(ac97))
307 return PTR_ERR(ac97);
308
309 snd_soc_codec_set_drvdata(codec, ac97);
310
311 return 0;
312}
313
314static int stac9766_codec_remove(struct snd_soc_codec *codec)
315{
316 struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
317
318 snd_soc_free_ac97_codec(ac97);
319 return 0;
320}
321
322static struct snd_soc_codec_driver soc_codec_dev_stac9766 = {
323 .controls = stac9766_snd_ac97_controls,
324 .num_controls = ARRAY_SIZE(stac9766_snd_ac97_controls),
325 .write = stac9766_ac97_write,
326 .read = stac9766_ac97_read,
327 .set_bias_level = stac9766_set_bias_level,
328 .suspend_bias_off = true,
329 .probe = stac9766_codec_probe,
330 .remove = stac9766_codec_remove,
331 .resume = stac9766_codec_resume,
332 .reg_cache_size = ARRAY_SIZE(stac9766_reg),
333 .reg_word_size = sizeof(u16),
334 .reg_cache_step = 2,
335 .reg_cache_default = stac9766_reg,
336};
337
338static int stac9766_probe(struct platform_device *pdev)
339{
340 return snd_soc_register_codec(&pdev->dev,
341 &soc_codec_dev_stac9766, stac9766_dai, ARRAY_SIZE(stac9766_dai));
342}
343
344static int stac9766_remove(struct platform_device *pdev)
345{
346 snd_soc_unregister_codec(&pdev->dev);
347 return 0;
348}
349
350static struct platform_driver stac9766_codec_driver = {
351 .driver = {
352 .name = "stac9766-codec",
353 },
354
355 .probe = stac9766_probe,
356 .remove = stac9766_remove,
357};
358
359module_platform_driver(stac9766_codec_driver);
360
361MODULE_DESCRIPTION("ASoC stac9766 driver");
362MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
363MODULE_LICENSE("GPL");
364
