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22#include <linux/init.h>
23#include <linux/slab.h>
24#include <linux/module.h>
25#include <linux/kernel.h>
26#include <linux/device.h>
27#include <linux/regmap.h>
28#include <sound/core.h>
29#include <sound/pcm.h>
30#include <sound/ac97_codec.h>
31#include <sound/initval.h>
32#include <sound/soc.h>
33
34static const struct reg_default ad1980_reg_defaults[] = {
35 { 0x02, 0x8000 },
36 { 0x04, 0x8000 },
37 { 0x06, 0x8000 },
38 { 0x0c, 0x8008 },
39 { 0x0e, 0x8008 },
40 { 0x10, 0x8808 },
41 { 0x12, 0x8808 },
42 { 0x16, 0x8808 },
43 { 0x18, 0x8808 },
44 { 0x1a, 0x0000 },
45 { 0x1c, 0x8000 },
46 { 0x20, 0x0000 },
47 { 0x28, 0x03c7 },
48 { 0x2c, 0xbb80 },
49 { 0x2e, 0xbb80 },
50 { 0x30, 0xbb80 },
51 { 0x32, 0xbb80 },
52 { 0x36, 0x8080 },
53 { 0x38, 0x8080 },
54 { 0x3a, 0x2000 },
55 { 0x60, 0x0000 },
56 { 0x62, 0x0000 },
57 { 0x72, 0x0000 },
58 { 0x74, 0x1001 },
59 { 0x76, 0x0000 },
60};
61
62static bool ad1980_readable_reg(struct device *dev, unsigned int reg)
63{
64 switch (reg) {
65 case AC97_RESET ... AC97_MASTER_MONO:
66 case AC97_PHONE ... AC97_CD:
67 case AC97_AUX ... AC97_GENERAL_PURPOSE:
68 case AC97_POWERDOWN ... AC97_PCM_LR_ADC_RATE:
69 case AC97_SPDIF:
70 case AC97_CODEC_CLASS_REV:
71 case AC97_PCI_SVID:
72 case AC97_AD_CODEC_CFG:
73 case AC97_AD_JACK_SPDIF:
74 case AC97_AD_SERIAL_CFG:
75 case AC97_VENDOR_ID1:
76 case AC97_VENDOR_ID2:
77 return true;
78 default:
79 return false;
80 }
81}
82
83static bool ad1980_writeable_reg(struct device *dev, unsigned int reg)
84{
85 switch (reg) {
86 case AC97_VENDOR_ID1:
87 case AC97_VENDOR_ID2:
88 return false;
89 default:
90 return ad1980_readable_reg(dev, reg);
91 }
92}
93
94static const struct regmap_config ad1980_regmap_config = {
95 .reg_bits = 16,
96 .reg_stride = 2,
97 .val_bits = 16,
98 .max_register = 0x7e,
99 .cache_type = REGCACHE_RBTREE,
100
101 .volatile_reg = regmap_ac97_default_volatile,
102 .readable_reg = ad1980_readable_reg,
103 .writeable_reg = ad1980_writeable_reg,
104
105 .reg_defaults = ad1980_reg_defaults,
106 .num_reg_defaults = ARRAY_SIZE(ad1980_reg_defaults),
107};
108
109static const char *ad1980_rec_sel[] = {"Mic", "CD", "NC", "AUX", "Line",
110 "Stereo Mix", "Mono Mix", "Phone"};
111
112static SOC_ENUM_DOUBLE_DECL(ad1980_cap_src,
113 AC97_REC_SEL, 8, 0, ad1980_rec_sel);
114
115static const struct snd_kcontrol_new ad1980_snd_ac97_controls[] = {
116SOC_DOUBLE("Master Playback Volume", AC97_MASTER, 8, 0, 31, 1),
117SOC_SINGLE("Master Playback Switch", AC97_MASTER, 15, 1, 1),
118
119SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
120SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
121
122SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
123SOC_SINGLE("PCM Playback Switch", AC97_PCM, 15, 1, 1),
124
125SOC_DOUBLE("PCM Capture Volume", AC97_REC_GAIN, 8, 0, 31, 0),
126SOC_SINGLE("PCM Capture Switch", AC97_REC_GAIN, 15, 1, 1),
127
128SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
129SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
130
131SOC_SINGLE("Phone Capture Volume", AC97_PHONE, 0, 31, 1),
132SOC_SINGLE("Phone Capture Switch", AC97_PHONE, 15, 1, 1),
133
134SOC_SINGLE("Mic Volume", AC97_MIC, 0, 31, 1),
135SOC_SINGLE("Mic Switch", AC97_MIC, 15, 1, 1),
136
137SOC_SINGLE("Stereo Mic Switch", AC97_AD_MISC, 6, 1, 0),
138SOC_DOUBLE("Line HP Swap Switch", AC97_AD_MISC, 10, 5, 1, 0),
139
140SOC_DOUBLE("Surround Playback Volume", AC97_SURROUND_MASTER, 8, 0, 31, 1),
141SOC_DOUBLE("Surround Playback Switch", AC97_SURROUND_MASTER, 15, 7, 1, 1),
142
143SOC_DOUBLE("Center/LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 0, 31, 1),
144SOC_DOUBLE("Center/LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 7, 1, 1),
145
146SOC_ENUM("Capture Source", ad1980_cap_src),
147
148SOC_SINGLE("Mic Boost Switch", AC97_MIC, 6, 1, 0),
149};
150
151static const struct snd_soc_dapm_widget ad1980_dapm_widgets[] = {
152SND_SOC_DAPM_INPUT("MIC1"),
153SND_SOC_DAPM_INPUT("MIC2"),
154SND_SOC_DAPM_INPUT("CD_L"),
155SND_SOC_DAPM_INPUT("CD_R"),
156SND_SOC_DAPM_INPUT("AUX_L"),
157SND_SOC_DAPM_INPUT("AUX_R"),
158SND_SOC_DAPM_INPUT("LINE_IN_L"),
159SND_SOC_DAPM_INPUT("LINE_IN_R"),
160
161SND_SOC_DAPM_OUTPUT("LFE_OUT"),
162SND_SOC_DAPM_OUTPUT("CENTER_OUT"),
163SND_SOC_DAPM_OUTPUT("LINE_OUT_L"),
164SND_SOC_DAPM_OUTPUT("LINE_OUT_R"),
165SND_SOC_DAPM_OUTPUT("MONO_OUT"),
166SND_SOC_DAPM_OUTPUT("HP_OUT_L"),
167SND_SOC_DAPM_OUTPUT("HP_OUT_R"),
168};
169
170static const struct snd_soc_dapm_route ad1980_dapm_routes[] = {
171 { "Capture", NULL, "MIC1" },
172 { "Capture", NULL, "MIC2" },
173 { "Capture", NULL, "CD_L" },
174 { "Capture", NULL, "CD_R" },
175 { "Capture", NULL, "AUX_L" },
176 { "Capture", NULL, "AUX_R" },
177 { "Capture", NULL, "LINE_IN_L" },
178 { "Capture", NULL, "LINE_IN_R" },
179
180 { "LFE_OUT", NULL, "Playback" },
181 { "CENTER_OUT", NULL, "Playback" },
182 { "LINE_OUT_L", NULL, "Playback" },
183 { "LINE_OUT_R", NULL, "Playback" },
184 { "MONO_OUT", NULL, "Playback" },
185 { "HP_OUT_L", NULL, "Playback" },
186 { "HP_OUT_R", NULL, "Playback" },
187};
188
189static struct snd_soc_dai_driver ad1980_dai = {
190 .name = "ad1980-hifi",
191 .playback = {
192 .stream_name = "Playback",
193 .channels_min = 2,
194 .channels_max = 6,
195 .rates = SNDRV_PCM_RATE_48000,
196 .formats = SND_SOC_STD_AC97_FMTS, },
197 .capture = {
198 .stream_name = "Capture",
199 .channels_min = 2,
200 .channels_max = 2,
201 .rates = SNDRV_PCM_RATE_48000,
202 .formats = SND_SOC_STD_AC97_FMTS, },
203};
204
205#define AD1980_VENDOR_ID 0x41445300
206#define AD1980_VENDOR_MASK 0xffffff00
207
208static int ad1980_reset(struct snd_soc_component *component, int try_warm)
209{
210 struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component);
211 unsigned int retry_cnt = 0;
212 int ret;
213
214 do {
215 ret = snd_ac97_reset(ac97, true, AD1980_VENDOR_ID,
216 AD1980_VENDOR_MASK);
217 if (ret >= 0)
218 return 0;
219
220
221
222
223
224
225
226 snd_soc_component_write(component, AC97_AD_SERIAL_CFG, 0x9900);
227
228 } while (retry_cnt++ < 10);
229
230 dev_err(component->dev, "Failed to reset: AC97 link error\n");
231
232 return -EIO;
233}
234
235static int ad1980_soc_probe(struct snd_soc_component *component)
236{
237 struct snd_ac97 *ac97;
238 struct regmap *regmap;
239 int ret;
240 u16 vendor_id2;
241 u16 ext_status;
242
243 ac97 = snd_soc_new_ac97_component(component, 0, 0);
244 if (IS_ERR(ac97)) {
245 ret = PTR_ERR(ac97);
246 dev_err(component->dev, "Failed to register AC97 component: %d\n", ret);
247 return ret;
248 }
249
250 regmap = regmap_init_ac97(ac97, &ad1980_regmap_config);
251 if (IS_ERR(regmap)) {
252 ret = PTR_ERR(regmap);
253 goto err_free_ac97;
254 }
255
256 snd_soc_component_init_regmap(component, regmap);
257 snd_soc_component_set_drvdata(component, ac97);
258
259 ret = ad1980_reset(component, 0);
260 if (ret < 0)
261 goto reset_err;
262
263 vendor_id2 = snd_soc_component_read32(component, AC97_VENDOR_ID2);
264 if (vendor_id2 == 0x5374) {
265 dev_warn(component->dev,
266 "Found AD1981 - only 2/2 IN/OUT Channels supported\n");
267 }
268
269
270 snd_soc_component_write(component, AC97_MASTER, 0x0000);
271 snd_soc_component_write(component, AC97_PCM, 0x0000);
272 snd_soc_component_write(component, AC97_REC_GAIN, 0x0000);
273 snd_soc_component_write(component, AC97_CENTER_LFE_MASTER, 0x0000);
274 snd_soc_component_write(component, AC97_SURROUND_MASTER, 0x0000);
275
276
277 ext_status = snd_soc_component_read32(component, AC97_EXTENDED_STATUS);
278 snd_soc_component_write(component, AC97_EXTENDED_STATUS, ext_status&~0x3800);
279
280 return 0;
281
282reset_err:
283 snd_soc_component_exit_regmap(component);
284err_free_ac97:
285 snd_soc_free_ac97_component(ac97);
286 return ret;
287}
288
289static void ad1980_soc_remove(struct snd_soc_component *component)
290{
291 struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component);
292
293 snd_soc_component_exit_regmap(component);
294 snd_soc_free_ac97_component(ac97);
295}
296
297static const struct snd_soc_component_driver soc_component_dev_ad1980 = {
298 .probe = ad1980_soc_probe,
299 .remove = ad1980_soc_remove,
300 .controls = ad1980_snd_ac97_controls,
301 .num_controls = ARRAY_SIZE(ad1980_snd_ac97_controls),
302 .dapm_widgets = ad1980_dapm_widgets,
303 .num_dapm_widgets = ARRAY_SIZE(ad1980_dapm_widgets),
304 .dapm_routes = ad1980_dapm_routes,
305 .num_dapm_routes = ARRAY_SIZE(ad1980_dapm_routes),
306 .idle_bias_on = 1,
307 .use_pmdown_time = 1,
308 .endianness = 1,
309 .non_legacy_dai_naming = 1,
310};
311
312static int ad1980_probe(struct platform_device *pdev)
313{
314 return devm_snd_soc_register_component(&pdev->dev,
315 &soc_component_dev_ad1980, &ad1980_dai, 1);
316}
317
318static struct platform_driver ad1980_codec_driver = {
319 .driver = {
320 .name = "ad1980",
321 },
322
323 .probe = ad1980_probe,
324};
325
326module_platform_driver(ad1980_codec_driver);
327
328MODULE_DESCRIPTION("ASoC ad1980 driver (Obsolete)");
329MODULE_AUTHOR("Roy Huang, Cliff Cai");
330MODULE_LICENSE("GPL");
331
