Commit | Line | Data |
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5f57dc8b CC |
1 | /* |
2 | * ad1980.c -- ALSA Soc AD1980 codec support | |
3 | * | |
4 | * Copyright: Analog Device Inc. | |
5 | * Author: Roy Huang <roy.huang@analog.com> | |
6 | * Cliff Cai <cliff.cai@analog.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2 of the License, or (at your | |
11 | * option) any later version. | |
12 | */ | |
13 | ||
2e2211a3 SZ |
14 | /* |
15 | * WARNING: | |
16 | * | |
17 | * Because Analog Devices Inc. discontinued the ad1980 sound chip since | |
18 | * Sep. 2009, this ad1980 driver is not maintained, tested and supported | |
19 | * by ADI now. | |
20 | */ | |
21 | ||
5f57dc8b | 22 | #include <linux/init.h> |
5a0e3ad6 | 23 | #include <linux/slab.h> |
5f57dc8b | 24 | #include <linux/module.h> |
5f57dc8b CC |
25 | #include <linux/kernel.h> |
26 | #include <linux/device.h> | |
27 | #include <sound/core.h> | |
28 | #include <sound/pcm.h> | |
29 | #include <sound/ac97_codec.h> | |
30 | #include <sound/initval.h> | |
31 | #include <sound/soc.h> | |
5f57dc8b | 32 | |
5f57dc8b CC |
33 | /* |
34 | * AD1980 register cache | |
35 | */ | |
36 | static const u16 ad1980_reg[] = { | |
37 | 0x0090, 0x8000, 0x8000, 0x8000, /* 0 - 6 */ | |
38 | 0x0000, 0x0000, 0x8008, 0x8008, /* 8 - e */ | |
39 | 0x8808, 0x8808, 0x0000, 0x8808, /* 10 - 16 */ | |
40 | 0x8808, 0x0000, 0x8000, 0x0000, /* 18 - 1e */ | |
41 | 0x0000, 0x0000, 0x0000, 0x0000, /* 20 - 26 */ | |
42 | 0x03c7, 0x0000, 0xbb80, 0xbb80, /* 28 - 2e */ | |
43 | 0xbb80, 0xbb80, 0x0000, 0x8080, /* 30 - 36 */ | |
44 | 0x8080, 0x2000, 0x0000, 0x0000, /* 38 - 3e */ | |
45 | 0x0000, 0x0000, 0x0000, 0x0000, /* reserved */ | |
46 | 0x0000, 0x0000, 0x0000, 0x0000, /* reserved */ | |
47 | 0x0000, 0x0000, 0x0000, 0x0000, /* reserved */ | |
48 | 0x0000, 0x0000, 0x0000, 0x0000, /* reserved */ | |
49 | 0x8080, 0x0000, 0x0000, 0x0000, /* 60 - 66 */ | |
50 | 0x0000, 0x0000, 0x0000, 0x0000, /* reserved */ | |
51 | 0x0000, 0x0000, 0x1001, 0x0000, /* 70 - 76 */ | |
52 | 0x0000, 0x0000, 0x4144, 0x5370 /* 78 - 7e */ | |
53 | }; | |
54 | ||
55 | static const char *ad1980_rec_sel[] = {"Mic", "CD", "NC", "AUX", "Line", | |
56 | "Stereo Mix", "Mono Mix", "Phone"}; | |
57 | ||
901bb6c5 TI |
58 | static SOC_ENUM_DOUBLE_DECL(ad1980_cap_src, |
59 | AC97_REC_SEL, 8, 0, ad1980_rec_sel); | |
5f57dc8b CC |
60 | |
61 | static const struct snd_kcontrol_new ad1980_snd_ac97_controls[] = { | |
62 | SOC_DOUBLE("Master Playback Volume", AC97_MASTER, 8, 0, 31, 1), | |
63 | SOC_SINGLE("Master Playback Switch", AC97_MASTER, 15, 1, 1), | |
64 | ||
65 | SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1), | |
66 | SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1), | |
67 | ||
68 | SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1), | |
69 | SOC_SINGLE("PCM Playback Switch", AC97_PCM, 15, 1, 1), | |
70 | ||
71 | SOC_DOUBLE("PCM Capture Volume", AC97_REC_GAIN, 8, 0, 31, 0), | |
72 | SOC_SINGLE("PCM Capture Switch", AC97_REC_GAIN, 15, 1, 1), | |
73 | ||
74 | SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1), | |
75 | SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), | |
76 | ||
77 | SOC_SINGLE("Phone Capture Volume", AC97_PHONE, 0, 31, 1), | |
78 | SOC_SINGLE("Phone Capture Switch", AC97_PHONE, 15, 1, 1), | |
79 | ||
80 | SOC_SINGLE("Mic Volume", AC97_MIC, 0, 31, 1), | |
81 | SOC_SINGLE("Mic Switch", AC97_MIC, 15, 1, 1), | |
82 | ||
83 | SOC_SINGLE("Stereo Mic Switch", AC97_AD_MISC, 6, 1, 0), | |
84 | SOC_DOUBLE("Line HP Swap Switch", AC97_AD_MISC, 10, 5, 1, 0), | |
85 | ||
86 | SOC_DOUBLE("Surround Playback Volume", AC97_SURROUND_MASTER, 8, 0, 31, 1), | |
87 | SOC_DOUBLE("Surround Playback Switch", AC97_SURROUND_MASTER, 15, 7, 1, 1), | |
88 | ||
9905ed35 CC |
89 | SOC_DOUBLE("Center/LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 0, 31, 1), |
90 | SOC_DOUBLE("Center/LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 7, 1, 1), | |
91 | ||
5f57dc8b CC |
92 | SOC_ENUM("Capture Source", ad1980_cap_src), |
93 | ||
94 | SOC_SINGLE("Mic Boost Switch", AC97_MIC, 6, 1, 0), | |
95 | }; | |
96 | ||
9e7e474c MB |
97 | static const struct snd_soc_dapm_widget ad1980_dapm_widgets[] = { |
98 | SND_SOC_DAPM_INPUT("MIC1"), | |
99 | SND_SOC_DAPM_INPUT("MIC2"), | |
100 | SND_SOC_DAPM_INPUT("CD_L"), | |
101 | SND_SOC_DAPM_INPUT("CD_R"), | |
102 | SND_SOC_DAPM_INPUT("AUX_L"), | |
103 | SND_SOC_DAPM_INPUT("AUX_R"), | |
104 | SND_SOC_DAPM_INPUT("LINE_IN_L"), | |
105 | SND_SOC_DAPM_INPUT("LINE_IN_R"), | |
106 | ||
107 | SND_SOC_DAPM_OUTPUT("LFE_OUT"), | |
108 | SND_SOC_DAPM_OUTPUT("CENTER_OUT"), | |
109 | SND_SOC_DAPM_OUTPUT("LINE_OUT_L"), | |
110 | SND_SOC_DAPM_OUTPUT("LINE_OUT_R"), | |
111 | SND_SOC_DAPM_OUTPUT("MONO_OUT"), | |
112 | SND_SOC_DAPM_OUTPUT("HP_OUT_L"), | |
113 | SND_SOC_DAPM_OUTPUT("HP_OUT_R"), | |
114 | }; | |
115 | ||
116 | static const struct snd_soc_dapm_route ad1980_dapm_routes[] = { | |
117 | { "Capture", NULL, "MIC1" }, | |
118 | { "Capture", NULL, "MIC2" }, | |
119 | { "Capture", NULL, "CD_L" }, | |
120 | { "Capture", NULL, "CD_R" }, | |
121 | { "Capture", NULL, "AUX_L" }, | |
122 | { "Capture", NULL, "AUX_R" }, | |
123 | { "Capture", NULL, "LINE_IN_L" }, | |
124 | { "Capture", NULL, "LINE_IN_R" }, | |
125 | ||
126 | { "LFE_OUT", NULL, "Playback" }, | |
127 | { "CENTER_OUT", NULL, "Playback" }, | |
128 | { "LINE_OUT_L", NULL, "Playback" }, | |
129 | { "LINE_OUT_R", NULL, "Playback" }, | |
130 | { "MONO_OUT", NULL, "Playback" }, | |
131 | { "HP_OUT_L", NULL, "Playback" }, | |
132 | { "HP_OUT_R", NULL, "Playback" }, | |
133 | }; | |
134 | ||
5f57dc8b CC |
135 | static unsigned int ac97_read(struct snd_soc_codec *codec, |
136 | unsigned int reg) | |
137 | { | |
138 | u16 *cache = codec->reg_cache; | |
139 | ||
140 | switch (reg) { | |
141 | case AC97_RESET: | |
142 | case AC97_INT_PAGING: | |
143 | case AC97_POWERDOWN: | |
144 | case AC97_EXTENDED_STATUS: | |
145 | case AC97_VENDOR_ID1: | |
146 | case AC97_VENDOR_ID2: | |
b047e1cc | 147 | return soc_ac97_ops->read(codec->ac97, reg); |
5f57dc8b CC |
148 | default: |
149 | reg = reg >> 1; | |
150 | ||
91432e97 | 151 | if (reg >= ARRAY_SIZE(ad1980_reg)) |
5f57dc8b CC |
152 | return -EINVAL; |
153 | ||
154 | return cache[reg]; | |
155 | } | |
156 | } | |
157 | ||
158 | static int ac97_write(struct snd_soc_codec *codec, unsigned int reg, | |
159 | unsigned int val) | |
160 | { | |
161 | u16 *cache = codec->reg_cache; | |
162 | ||
b047e1cc | 163 | soc_ac97_ops->write(codec->ac97, reg, val); |
5f57dc8b | 164 | reg = reg >> 1; |
91432e97 | 165 | if (reg < ARRAY_SIZE(ad1980_reg)) |
5f57dc8b CC |
166 | cache[reg] = val; |
167 | ||
168 | return 0; | |
169 | } | |
170 | ||
de535a5b | 171 | static struct snd_soc_dai_driver ad1980_dai = { |
f0fba2ad | 172 | .name = "ad1980-hifi", |
5f57dc8b CC |
173 | .playback = { |
174 | .stream_name = "Playback", | |
175 | .channels_min = 2, | |
9905ed35 | 176 | .channels_max = 6, |
5f57dc8b | 177 | .rates = SNDRV_PCM_RATE_48000, |
33f503c9 | 178 | .formats = SND_SOC_STD_AC97_FMTS, }, |
5f57dc8b CC |
179 | .capture = { |
180 | .stream_name = "Capture", | |
181 | .channels_min = 2, | |
182 | .channels_max = 2, | |
183 | .rates = SNDRV_PCM_RATE_48000, | |
33f503c9 | 184 | .formats = SND_SOC_STD_AC97_FMTS, }, |
5f57dc8b | 185 | }; |
5f57dc8b CC |
186 | |
187 | static int ad1980_reset(struct snd_soc_codec *codec, int try_warm) | |
188 | { | |
cf7b71f4 LPC |
189 | unsigned int retry_cnt = 0; |
190 | ||
191 | do { | |
192 | if (try_warm && soc_ac97_ops->warm_reset) { | |
193 | soc_ac97_ops->warm_reset(codec->ac97); | |
194 | if (ac97_read(codec, AC97_RESET) == 0x0090) | |
195 | return 1; | |
196 | } | |
197 | ||
198 | soc_ac97_ops->reset(codec->ac97); | |
199 | /* | |
200 | * Set bit 16slot in register 74h, then every slot will has only | |
201 | * 16 bits. This command is sent out in 20bit mode, in which | |
202 | * case the first nibble of data is eaten by the addr. (Tag is | |
203 | * always 16 bit) | |
204 | */ | |
205 | ac97_write(codec, AC97_AD_SERIAL_CFG, 0x9900); | |
206 | ||
207 | if (ac97_read(codec, AC97_RESET) == 0x0090) | |
208 | return 0; | |
209 | } while (retry_cnt++ < 10); | |
5f57dc8b | 210 | |
e5adb6cd LPC |
211 | dev_err(codec->dev, "Failed to reset: AC97 link error\n"); |
212 | ||
5f57dc8b CC |
213 | return -EIO; |
214 | } | |
215 | ||
f0fba2ad | 216 | static int ad1980_soc_probe(struct snd_soc_codec *codec) |
5f57dc8b | 217 | { |
f0fba2ad | 218 | int ret; |
5f57dc8b | 219 | u16 vendor_id2; |
9905ed35 | 220 | u16 ext_status; |
5f57dc8b | 221 | |
eda1a701 | 222 | ret = snd_soc_new_ac97_codec(codec); |
5f57dc8b | 223 | if (ret < 0) { |
e5adb6cd | 224 | dev_err(codec->dev, "Failed to register AC97 codec\n"); |
f0fba2ad | 225 | return ret; |
5f57dc8b CC |
226 | } |
227 | ||
5f57dc8b | 228 | ret = ad1980_reset(codec, 0); |
e5adb6cd | 229 | if (ret < 0) |
5f57dc8b | 230 | goto reset_err; |
5f57dc8b CC |
231 | |
232 | /* Read out vendor ID to make sure it is ad1980 */ | |
0f73644f AL |
233 | if (ac97_read(codec, AC97_VENDOR_ID1) != 0x4144) { |
234 | ret = -ENODEV; | |
5f57dc8b | 235 | goto reset_err; |
0f73644f | 236 | } |
5f57dc8b CC |
237 | |
238 | vendor_id2 = ac97_read(codec, AC97_VENDOR_ID2); | |
239 | ||
240 | if (vendor_id2 != 0x5370) { | |
0f73644f AL |
241 | if (vendor_id2 != 0x5374) { |
242 | ret = -ENODEV; | |
5f57dc8b | 243 | goto reset_err; |
0f73644f | 244 | } else { |
e5adb6cd LPC |
245 | dev_warn(codec->dev, |
246 | "Found AD1981 - only 2/2 IN/OUT Channels supported\n"); | |
0f73644f | 247 | } |
5f57dc8b CC |
248 | } |
249 | ||
9905ed35 CC |
250 | /* unmute captures and playbacks volume */ |
251 | ac97_write(codec, AC97_MASTER, 0x0000); | |
252 | ac97_write(codec, AC97_PCM, 0x0000); | |
253 | ac97_write(codec, AC97_REC_GAIN, 0x0000); | |
254 | ac97_write(codec, AC97_CENTER_LFE_MASTER, 0x0000); | |
255 | ac97_write(codec, AC97_SURROUND_MASTER, 0x0000); | |
256 | ||
257 | /*power on LFE/CENTER/Surround DACs*/ | |
258 | ext_status = ac97_read(codec, AC97_EXTENDED_STATUS); | |
259 | ac97_write(codec, AC97_EXTENDED_STATUS, ext_status&~0x3800); | |
5f57dc8b | 260 | |
5f57dc8b CC |
261 | return 0; |
262 | ||
263 | reset_err: | |
5f57dc8b | 264 | snd_soc_free_ac97_codec(codec); |
5f57dc8b CC |
265 | return ret; |
266 | } | |
267 | ||
f0fba2ad | 268 | static int ad1980_soc_remove(struct snd_soc_codec *codec) |
5f57dc8b | 269 | { |
5f57dc8b | 270 | snd_soc_free_ac97_codec(codec); |
5f57dc8b CC |
271 | return 0; |
272 | } | |
273 | ||
f0fba2ad | 274 | static struct snd_soc_codec_driver soc_codec_dev_ad1980 = { |
5f57dc8b CC |
275 | .probe = ad1980_soc_probe, |
276 | .remove = ad1980_soc_remove, | |
f0fba2ad LG |
277 | .reg_cache_size = ARRAY_SIZE(ad1980_reg), |
278 | .reg_word_size = sizeof(u16), | |
c7bad06f | 279 | .reg_cache_default = ad1980_reg, |
f0fba2ad LG |
280 | .reg_cache_step = 2, |
281 | .write = ac97_write, | |
282 | .read = ac97_read, | |
9e7e474c | 283 | |
6ce13d61 LPC |
284 | .controls = ad1980_snd_ac97_controls, |
285 | .num_controls = ARRAY_SIZE(ad1980_snd_ac97_controls), | |
9e7e474c MB |
286 | .dapm_widgets = ad1980_dapm_widgets, |
287 | .num_dapm_widgets = ARRAY_SIZE(ad1980_dapm_widgets), | |
288 | .dapm_routes = ad1980_dapm_routes, | |
289 | .num_dapm_routes = ARRAY_SIZE(ad1980_dapm_routes), | |
5f57dc8b | 290 | }; |
f0fba2ad | 291 | |
7a79e94e | 292 | static int ad1980_probe(struct platform_device *pdev) |
f0fba2ad LG |
293 | { |
294 | return snd_soc_register_codec(&pdev->dev, | |
295 | &soc_codec_dev_ad1980, &ad1980_dai, 1); | |
296 | } | |
297 | ||
7a79e94e | 298 | static int ad1980_remove(struct platform_device *pdev) |
f0fba2ad LG |
299 | { |
300 | snd_soc_unregister_codec(&pdev->dev); | |
301 | return 0; | |
302 | } | |
303 | ||
304 | static struct platform_driver ad1980_codec_driver = { | |
305 | .driver = { | |
1afa98b8 | 306 | .name = "ad1980", |
f0fba2ad LG |
307 | .owner = THIS_MODULE, |
308 | }, | |
309 | ||
310 | .probe = ad1980_probe, | |
7a79e94e | 311 | .remove = ad1980_remove, |
f0fba2ad LG |
312 | }; |
313 | ||
5bbcc3c0 | 314 | module_platform_driver(ad1980_codec_driver); |
5f57dc8b | 315 | |
2e2211a3 | 316 | MODULE_DESCRIPTION("ASoC ad1980 driver (Obsolete)"); |
5f57dc8b CC |
317 | MODULE_AUTHOR("Roy Huang, Cliff Cai"); |
318 | MODULE_LICENSE("GPL"); |