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18#include <linux/init.h>
19#include <linux/slab.h>
20#include <linux/module.h>
21#include <linux/kernel.h>
22#include <linux/device.h>
23#include <linux/regmap.h>
24#include <sound/core.h>
25#include <sound/pcm.h>
26#include <sound/ac97_codec.h>
27#include <sound/initval.h>
28#include <sound/soc.h>
29
30static const struct reg_default ad1980_reg_defaults[] = {
31 { 0x02, 0x8000 },
32 { 0x04, 0x8000 },
33 { 0x06, 0x8000 },
34 { 0x0c, 0x8008 },
35 { 0x0e, 0x8008 },
36 { 0x10, 0x8808 },
37 { 0x12, 0x8808 },
38 { 0x16, 0x8808 },
39 { 0x18, 0x8808 },
40 { 0x1a, 0x0000 },
41 { 0x1c, 0x8000 },
42 { 0x20, 0x0000 },
43 { 0x28, 0x03c7 },
44 { 0x2c, 0xbb80 },
45 { 0x2e, 0xbb80 },
46 { 0x30, 0xbb80 },
47 { 0x32, 0xbb80 },
48 { 0x36, 0x8080 },
49 { 0x38, 0x8080 },
50 { 0x3a, 0x2000 },
51 { 0x60, 0x0000 },
52 { 0x62, 0x0000 },
53 { 0x72, 0x0000 },
54 { 0x74, 0x1001 },
55 { 0x76, 0x0000 },
56};
57
58static bool ad1980_readable_reg(struct device *dev, unsigned int reg)
59{
60 switch (reg) {
61 case AC97_RESET ... AC97_MASTER_MONO:
62 case AC97_PHONE ... AC97_CD:
63 case AC97_AUX ... AC97_GENERAL_PURPOSE:
64 case AC97_POWERDOWN ... AC97_PCM_LR_ADC_RATE:
65 case AC97_SPDIF:
66 case AC97_CODEC_CLASS_REV:
67 case AC97_PCI_SVID:
68 case AC97_AD_CODEC_CFG:
69 case AC97_AD_JACK_SPDIF:
70 case AC97_AD_SERIAL_CFG:
71 case AC97_VENDOR_ID1:
72 case AC97_VENDOR_ID2:
73 return true;
74 default:
75 return false;
76 }
77}
78
79static bool ad1980_writeable_reg(struct device *dev, unsigned int reg)
80{
81 switch (reg) {
82 case AC97_VENDOR_ID1:
83 case AC97_VENDOR_ID2:
84 return false;
85 default:
86 return ad1980_readable_reg(dev, reg);
87 }
88}
89
90static const struct regmap_config ad1980_regmap_config = {
91 .reg_bits = 16,
92 .reg_stride = 2,
93 .val_bits = 16,
94 .max_register = 0x7e,
95 .cache_type = REGCACHE_RBTREE,
96
97 .volatile_reg = regmap_ac97_default_volatile,
98 .readable_reg = ad1980_readable_reg,
99 .writeable_reg = ad1980_writeable_reg,
100
101 .reg_defaults = ad1980_reg_defaults,
102 .num_reg_defaults = ARRAY_SIZE(ad1980_reg_defaults),
103};
104
105static const char *ad1980_rec_sel[] = {"Mic", "CD", "NC", "AUX", "Line",
106 "Stereo Mix", "Mono Mix", "Phone"};
107
108static SOC_ENUM_DOUBLE_DECL(ad1980_cap_src,
109 AC97_REC_SEL, 8, 0, ad1980_rec_sel);
110
111static const struct snd_kcontrol_new ad1980_snd_ac97_controls[] = {
112SOC_DOUBLE("Master Playback Volume", AC97_MASTER, 8, 0, 31, 1),
113SOC_SINGLE("Master Playback Switch", AC97_MASTER, 15, 1, 1),
114
115SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
116SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
117
118SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
119SOC_SINGLE("PCM Playback Switch", AC97_PCM, 15, 1, 1),
120
121SOC_DOUBLE("PCM Capture Volume", AC97_REC_GAIN, 8, 0, 31, 0),
122SOC_SINGLE("PCM Capture Switch", AC97_REC_GAIN, 15, 1, 1),
123
124SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
125SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
126
127SOC_SINGLE("Phone Capture Volume", AC97_PHONE, 0, 31, 1),
128SOC_SINGLE("Phone Capture Switch", AC97_PHONE, 15, 1, 1),
129
130SOC_SINGLE("Mic Volume", AC97_MIC, 0, 31, 1),
131SOC_SINGLE("Mic Switch", AC97_MIC, 15, 1, 1),
132
133SOC_SINGLE("Stereo Mic Switch", AC97_AD_MISC, 6, 1, 0),
134SOC_DOUBLE("Line HP Swap Switch", AC97_AD_MISC, 10, 5, 1, 0),
135
136SOC_DOUBLE("Surround Playback Volume", AC97_SURROUND_MASTER, 8, 0, 31, 1),
137SOC_DOUBLE("Surround Playback Switch", AC97_SURROUND_MASTER, 15, 7, 1, 1),
138
139SOC_DOUBLE("Center/LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 0, 31, 1),
140SOC_DOUBLE("Center/LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 7, 1, 1),
141
142SOC_ENUM("Capture Source", ad1980_cap_src),
143
144SOC_SINGLE("Mic Boost Switch", AC97_MIC, 6, 1, 0),
145};
146
147static const struct snd_soc_dapm_widget ad1980_dapm_widgets[] = {
148SND_SOC_DAPM_INPUT("MIC1"),
149SND_SOC_DAPM_INPUT("MIC2"),
150SND_SOC_DAPM_INPUT("CD_L"),
151SND_SOC_DAPM_INPUT("CD_R"),
152SND_SOC_DAPM_INPUT("AUX_L"),
153SND_SOC_DAPM_INPUT("AUX_R"),
154SND_SOC_DAPM_INPUT("LINE_IN_L"),
155SND_SOC_DAPM_INPUT("LINE_IN_R"),
156
157SND_SOC_DAPM_OUTPUT("LFE_OUT"),
158SND_SOC_DAPM_OUTPUT("CENTER_OUT"),
159SND_SOC_DAPM_OUTPUT("LINE_OUT_L"),
160SND_SOC_DAPM_OUTPUT("LINE_OUT_R"),
161SND_SOC_DAPM_OUTPUT("MONO_OUT"),
162SND_SOC_DAPM_OUTPUT("HP_OUT_L"),
163SND_SOC_DAPM_OUTPUT("HP_OUT_R"),
164};
165
166static const struct snd_soc_dapm_route ad1980_dapm_routes[] = {
167 { "Capture", NULL, "MIC1" },
168 { "Capture", NULL, "MIC2" },
169 { "Capture", NULL, "CD_L" },
170 { "Capture", NULL, "CD_R" },
171 { "Capture", NULL, "AUX_L" },
172 { "Capture", NULL, "AUX_R" },
173 { "Capture", NULL, "LINE_IN_L" },
174 { "Capture", NULL, "LINE_IN_R" },
175
176 { "LFE_OUT", NULL, "Playback" },
177 { "CENTER_OUT", NULL, "Playback" },
178 { "LINE_OUT_L", NULL, "Playback" },
179 { "LINE_OUT_R", NULL, "Playback" },
180 { "MONO_OUT", NULL, "Playback" },
181 { "HP_OUT_L", NULL, "Playback" },
182 { "HP_OUT_R", NULL, "Playback" },
183};
184
185static struct snd_soc_dai_driver ad1980_dai = {
186 .name = "ad1980-hifi",
187 .playback = {
188 .stream_name = "Playback",
189 .channels_min = 2,
190 .channels_max = 6,
191 .rates = SNDRV_PCM_RATE_48000,
192 .formats = SND_SOC_STD_AC97_FMTS, },
193 .capture = {
194 .stream_name = "Capture",
195 .channels_min = 2,
196 .channels_max = 2,
197 .rates = SNDRV_PCM_RATE_48000,
198 .formats = SND_SOC_STD_AC97_FMTS, },
199};
200
201#define AD1980_VENDOR_ID 0x41445300
202#define AD1980_VENDOR_MASK 0xffffff00
203
204static int ad1980_reset(struct snd_soc_component *component, int try_warm)
205{
206 struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component);
207 unsigned int retry_cnt = 0;
208 int ret;
209
210 do {
211 ret = snd_ac97_reset(ac97, true, AD1980_VENDOR_ID,
212 AD1980_VENDOR_MASK);
213 if (ret >= 0)
214 return 0;
215
216
217
218
219
220
221
222 snd_soc_component_write(component, AC97_AD_SERIAL_CFG, 0x9900);
223
224 } while (retry_cnt++ < 10);
225
226 dev_err(component->dev, "Failed to reset: AC97 link error\n");
227
228 return -EIO;
229}
230
231static int ad1980_soc_probe(struct snd_soc_component *component)
232{
233 struct snd_ac97 *ac97;
234 struct regmap *regmap;
235 int ret;
236 u16 vendor_id2;
237 u16 ext_status;
238
239 ac97 = snd_soc_new_ac97_component(component, 0, 0);
240 if (IS_ERR(ac97)) {
241 ret = PTR_ERR(ac97);
242 dev_err(component->dev, "Failed to register AC97 component: %d\n", ret);
243 return ret;
244 }
245
246 regmap = regmap_init_ac97(ac97, &ad1980_regmap_config);
247 if (IS_ERR(regmap)) {
248 ret = PTR_ERR(regmap);
249 goto err_free_ac97;
250 }
251
252 snd_soc_component_init_regmap(component, regmap);
253 snd_soc_component_set_drvdata(component, ac97);
254
255 ret = ad1980_reset(component, 0);
256 if (ret < 0)
257 goto reset_err;
258
259 vendor_id2 = snd_soc_component_read(component, AC97_VENDOR_ID2);
260 if (vendor_id2 == 0x5374) {
261 dev_warn(component->dev,
262 "Found AD1981 - only 2/2 IN/OUT Channels supported\n");
263 }
264
265
266 snd_soc_component_write(component, AC97_MASTER, 0x0000);
267 snd_soc_component_write(component, AC97_PCM, 0x0000);
268 snd_soc_component_write(component, AC97_REC_GAIN, 0x0000);
269 snd_soc_component_write(component, AC97_CENTER_LFE_MASTER, 0x0000);
270 snd_soc_component_write(component, AC97_SURROUND_MASTER, 0x0000);
271
272
273 ext_status = snd_soc_component_read(component, AC97_EXTENDED_STATUS);
274 snd_soc_component_write(component, AC97_EXTENDED_STATUS, ext_status&~0x3800);
275
276 return 0;
277
278reset_err:
279 snd_soc_component_exit_regmap(component);
280err_free_ac97:
281 snd_soc_free_ac97_component(ac97);
282 return ret;
283}
284
285static void ad1980_soc_remove(struct snd_soc_component *component)
286{
287 struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component);
288
289 snd_soc_component_exit_regmap(component);
290 snd_soc_free_ac97_component(ac97);
291}
292
293static const struct snd_soc_component_driver soc_component_dev_ad1980 = {
294 .probe = ad1980_soc_probe,
295 .remove = ad1980_soc_remove,
296 .controls = ad1980_snd_ac97_controls,
297 .num_controls = ARRAY_SIZE(ad1980_snd_ac97_controls),
298 .dapm_widgets = ad1980_dapm_widgets,
299 .num_dapm_widgets = ARRAY_SIZE(ad1980_dapm_widgets),
300 .dapm_routes = ad1980_dapm_routes,
301 .num_dapm_routes = ARRAY_SIZE(ad1980_dapm_routes),
302 .idle_bias_on = 1,
303 .use_pmdown_time = 1,
304 .endianness = 1,
305 .non_legacy_dai_naming = 1,
306};
307
308static int ad1980_probe(struct platform_device *pdev)
309{
310 return devm_snd_soc_register_component(&pdev->dev,
311 &soc_component_dev_ad1980, &ad1980_dai, 1);
312}
313
314static struct platform_driver ad1980_codec_driver = {
315 .driver = {
316 .name = "ad1980",
317 },
318
319 .probe = ad1980_probe,
320};
321
322module_platform_driver(ad1980_codec_driver);
323
324MODULE_DESCRIPTION("ASoC ad1980 driver (Obsolete)");
325MODULE_AUTHOR("Roy Huang, Cliff Cai");
326MODULE_LICENSE("GPL");
327
