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 CC |
32 | |
33 | #include "ad1980.h" | |
34 | ||
5f57dc8b CC |
35 | /* |
36 | * AD1980 register cache | |
37 | */ | |
38 | static const u16 ad1980_reg[] = { | |
39 | 0x0090, 0x8000, 0x8000, 0x8000, /* 0 - 6 */ | |
40 | 0x0000, 0x0000, 0x8008, 0x8008, /* 8 - e */ | |
41 | 0x8808, 0x8808, 0x0000, 0x8808, /* 10 - 16 */ | |
42 | 0x8808, 0x0000, 0x8000, 0x0000, /* 18 - 1e */ | |
43 | 0x0000, 0x0000, 0x0000, 0x0000, /* 20 - 26 */ | |
44 | 0x03c7, 0x0000, 0xbb80, 0xbb80, /* 28 - 2e */ | |
45 | 0xbb80, 0xbb80, 0x0000, 0x8080, /* 30 - 36 */ | |
46 | 0x8080, 0x2000, 0x0000, 0x0000, /* 38 - 3e */ | |
47 | 0x0000, 0x0000, 0x0000, 0x0000, /* reserved */ | |
48 | 0x0000, 0x0000, 0x0000, 0x0000, /* reserved */ | |
49 | 0x0000, 0x0000, 0x0000, 0x0000, /* reserved */ | |
50 | 0x0000, 0x0000, 0x0000, 0x0000, /* reserved */ | |
51 | 0x8080, 0x0000, 0x0000, 0x0000, /* 60 - 66 */ | |
52 | 0x0000, 0x0000, 0x0000, 0x0000, /* reserved */ | |
53 | 0x0000, 0x0000, 0x1001, 0x0000, /* 70 - 76 */ | |
54 | 0x0000, 0x0000, 0x4144, 0x5370 /* 78 - 7e */ | |
55 | }; | |
56 | ||
57 | static const char *ad1980_rec_sel[] = {"Mic", "CD", "NC", "AUX", "Line", | |
58 | "Stereo Mix", "Mono Mix", "Phone"}; | |
59 | ||
901bb6c5 TI |
60 | static SOC_ENUM_DOUBLE_DECL(ad1980_cap_src, |
61 | AC97_REC_SEL, 8, 0, ad1980_rec_sel); | |
5f57dc8b CC |
62 | |
63 | static const struct snd_kcontrol_new ad1980_snd_ac97_controls[] = { | |
64 | SOC_DOUBLE("Master Playback Volume", AC97_MASTER, 8, 0, 31, 1), | |
65 | SOC_SINGLE("Master Playback Switch", AC97_MASTER, 15, 1, 1), | |
66 | ||
67 | SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1), | |
68 | SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1), | |
69 | ||
70 | SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1), | |
71 | SOC_SINGLE("PCM Playback Switch", AC97_PCM, 15, 1, 1), | |
72 | ||
73 | SOC_DOUBLE("PCM Capture Volume", AC97_REC_GAIN, 8, 0, 31, 0), | |
74 | SOC_SINGLE("PCM Capture Switch", AC97_REC_GAIN, 15, 1, 1), | |
75 | ||
76 | SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1), | |
77 | SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), | |
78 | ||
79 | SOC_SINGLE("Phone Capture Volume", AC97_PHONE, 0, 31, 1), | |
80 | SOC_SINGLE("Phone Capture Switch", AC97_PHONE, 15, 1, 1), | |
81 | ||
82 | SOC_SINGLE("Mic Volume", AC97_MIC, 0, 31, 1), | |
83 | SOC_SINGLE("Mic Switch", AC97_MIC, 15, 1, 1), | |
84 | ||
85 | SOC_SINGLE("Stereo Mic Switch", AC97_AD_MISC, 6, 1, 0), | |
86 | SOC_DOUBLE("Line HP Swap Switch", AC97_AD_MISC, 10, 5, 1, 0), | |
87 | ||
88 | SOC_DOUBLE("Surround Playback Volume", AC97_SURROUND_MASTER, 8, 0, 31, 1), | |
89 | SOC_DOUBLE("Surround Playback Switch", AC97_SURROUND_MASTER, 15, 7, 1, 1), | |
90 | ||
9905ed35 CC |
91 | SOC_DOUBLE("Center/LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 0, 31, 1), |
92 | SOC_DOUBLE("Center/LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 7, 1, 1), | |
93 | ||
5f57dc8b CC |
94 | SOC_ENUM("Capture Source", ad1980_cap_src), |
95 | ||
96 | SOC_SINGLE("Mic Boost Switch", AC97_MIC, 6, 1, 0), | |
97 | }; | |
98 | ||
9e7e474c MB |
99 | static const struct snd_soc_dapm_widget ad1980_dapm_widgets[] = { |
100 | SND_SOC_DAPM_INPUT("MIC1"), | |
101 | SND_SOC_DAPM_INPUT("MIC2"), | |
102 | SND_SOC_DAPM_INPUT("CD_L"), | |
103 | SND_SOC_DAPM_INPUT("CD_R"), | |
104 | SND_SOC_DAPM_INPUT("AUX_L"), | |
105 | SND_SOC_DAPM_INPUT("AUX_R"), | |
106 | SND_SOC_DAPM_INPUT("LINE_IN_L"), | |
107 | SND_SOC_DAPM_INPUT("LINE_IN_R"), | |
108 | ||
109 | SND_SOC_DAPM_OUTPUT("LFE_OUT"), | |
110 | SND_SOC_DAPM_OUTPUT("CENTER_OUT"), | |
111 | SND_SOC_DAPM_OUTPUT("LINE_OUT_L"), | |
112 | SND_SOC_DAPM_OUTPUT("LINE_OUT_R"), | |
113 | SND_SOC_DAPM_OUTPUT("MONO_OUT"), | |
114 | SND_SOC_DAPM_OUTPUT("HP_OUT_L"), | |
115 | SND_SOC_DAPM_OUTPUT("HP_OUT_R"), | |
116 | }; | |
117 | ||
118 | static const struct snd_soc_dapm_route ad1980_dapm_routes[] = { | |
119 | { "Capture", NULL, "MIC1" }, | |
120 | { "Capture", NULL, "MIC2" }, | |
121 | { "Capture", NULL, "CD_L" }, | |
122 | { "Capture", NULL, "CD_R" }, | |
123 | { "Capture", NULL, "AUX_L" }, | |
124 | { "Capture", NULL, "AUX_R" }, | |
125 | { "Capture", NULL, "LINE_IN_L" }, | |
126 | { "Capture", NULL, "LINE_IN_R" }, | |
127 | ||
128 | { "LFE_OUT", NULL, "Playback" }, | |
129 | { "CENTER_OUT", NULL, "Playback" }, | |
130 | { "LINE_OUT_L", NULL, "Playback" }, | |
131 | { "LINE_OUT_R", NULL, "Playback" }, | |
132 | { "MONO_OUT", NULL, "Playback" }, | |
133 | { "HP_OUT_L", NULL, "Playback" }, | |
134 | { "HP_OUT_R", NULL, "Playback" }, | |
135 | }; | |
136 | ||
5f57dc8b CC |
137 | static unsigned int ac97_read(struct snd_soc_codec *codec, |
138 | unsigned int reg) | |
139 | { | |
140 | u16 *cache = codec->reg_cache; | |
141 | ||
142 | switch (reg) { | |
143 | case AC97_RESET: | |
144 | case AC97_INT_PAGING: | |
145 | case AC97_POWERDOWN: | |
146 | case AC97_EXTENDED_STATUS: | |
147 | case AC97_VENDOR_ID1: | |
148 | case AC97_VENDOR_ID2: | |
b047e1cc | 149 | return soc_ac97_ops->read(codec->ac97, reg); |
5f57dc8b CC |
150 | default: |
151 | reg = reg >> 1; | |
152 | ||
91432e97 | 153 | if (reg >= ARRAY_SIZE(ad1980_reg)) |
5f57dc8b CC |
154 | return -EINVAL; |
155 | ||
156 | return cache[reg]; | |
157 | } | |
158 | } | |
159 | ||
160 | static int ac97_write(struct snd_soc_codec *codec, unsigned int reg, | |
161 | unsigned int val) | |
162 | { | |
163 | u16 *cache = codec->reg_cache; | |
164 | ||
b047e1cc | 165 | soc_ac97_ops->write(codec->ac97, reg, val); |
5f57dc8b | 166 | reg = reg >> 1; |
91432e97 | 167 | if (reg < ARRAY_SIZE(ad1980_reg)) |
5f57dc8b CC |
168 | cache[reg] = val; |
169 | ||
170 | return 0; | |
171 | } | |
172 | ||
de535a5b | 173 | static struct snd_soc_dai_driver ad1980_dai = { |
f0fba2ad | 174 | .name = "ad1980-hifi", |
67c91513 | 175 | .ac97_control = 1, |
5f57dc8b CC |
176 | .playback = { |
177 | .stream_name = "Playback", | |
178 | .channels_min = 2, | |
9905ed35 | 179 | .channels_max = 6, |
5f57dc8b | 180 | .rates = SNDRV_PCM_RATE_48000, |
33f503c9 | 181 | .formats = SND_SOC_STD_AC97_FMTS, }, |
5f57dc8b CC |
182 | .capture = { |
183 | .stream_name = "Capture", | |
184 | .channels_min = 2, | |
185 | .channels_max = 2, | |
186 | .rates = SNDRV_PCM_RATE_48000, | |
33f503c9 | 187 | .formats = SND_SOC_STD_AC97_FMTS, }, |
5f57dc8b | 188 | }; |
5f57dc8b CC |
189 | |
190 | static int ad1980_reset(struct snd_soc_codec *codec, int try_warm) | |
191 | { | |
192 | u16 retry_cnt = 0; | |
193 | ||
194 | retry: | |
b047e1cc MB |
195 | if (try_warm && soc_ac97_ops->warm_reset) { |
196 | soc_ac97_ops->warm_reset(codec->ac97); | |
5f57dc8b CC |
197 | if (ac97_read(codec, AC97_RESET) == 0x0090) |
198 | return 1; | |
199 | } | |
200 | ||
b047e1cc | 201 | soc_ac97_ops->reset(codec->ac97); |
5f57dc8b CC |
202 | /* Set bit 16slot in register 74h, then every slot will has only 16 |
203 | * bits. This command is sent out in 20bit mode, in which case the | |
204 | * first nibble of data is eaten by the addr. (Tag is always 16 bit)*/ | |
205 | ac97_write(codec, AC97_AD_SERIAL_CFG, 0x9900); | |
206 | ||
207 | if (ac97_read(codec, AC97_RESET) != 0x0090) | |
208 | goto err; | |
209 | return 0; | |
210 | ||
211 | err: | |
212 | while (retry_cnt++ < 10) | |
213 | goto retry; | |
214 | ||
215 | printk(KERN_ERR "AD1980 AC97 reset failed\n"); | |
216 | return -EIO; | |
217 | } | |
218 | ||
f0fba2ad | 219 | static int ad1980_soc_probe(struct snd_soc_codec *codec) |
5f57dc8b | 220 | { |
f0fba2ad | 221 | int ret; |
5f57dc8b | 222 | u16 vendor_id2; |
9905ed35 | 223 | u16 ext_status; |
5f57dc8b CC |
224 | |
225 | printk(KERN_INFO "AD1980 SoC Audio Codec\n"); | |
226 | ||
b047e1cc | 227 | ret = snd_soc_new_ac97_codec(codec, soc_ac97_ops, 0); |
5f57dc8b CC |
228 | if (ret < 0) { |
229 | printk(KERN_ERR "ad1980: failed to register AC97 codec\n"); | |
f0fba2ad | 230 | return ret; |
5f57dc8b CC |
231 | } |
232 | ||
5f57dc8b CC |
233 | ret = ad1980_reset(codec, 0); |
234 | if (ret < 0) { | |
39639fab | 235 | printk(KERN_ERR "Failed to reset AD1980: AC97 link error\n"); |
5f57dc8b CC |
236 | goto reset_err; |
237 | } | |
238 | ||
239 | /* Read out vendor ID to make sure it is ad1980 */ | |
0f73644f AL |
240 | if (ac97_read(codec, AC97_VENDOR_ID1) != 0x4144) { |
241 | ret = -ENODEV; | |
5f57dc8b | 242 | goto reset_err; |
0f73644f | 243 | } |
5f57dc8b CC |
244 | |
245 | vendor_id2 = ac97_read(codec, AC97_VENDOR_ID2); | |
246 | ||
247 | if (vendor_id2 != 0x5370) { | |
0f73644f AL |
248 | if (vendor_id2 != 0x5374) { |
249 | ret = -ENODEV; | |
5f57dc8b | 250 | goto reset_err; |
0f73644f | 251 | } else { |
5f57dc8b CC |
252 | printk(KERN_WARNING "ad1980: " |
253 | "Found AD1981 - only 2/2 IN/OUT Channels " | |
254 | "supported\n"); | |
0f73644f | 255 | } |
5f57dc8b CC |
256 | } |
257 | ||
9905ed35 CC |
258 | /* unmute captures and playbacks volume */ |
259 | ac97_write(codec, AC97_MASTER, 0x0000); | |
260 | ac97_write(codec, AC97_PCM, 0x0000); | |
261 | ac97_write(codec, AC97_REC_GAIN, 0x0000); | |
262 | ac97_write(codec, AC97_CENTER_LFE_MASTER, 0x0000); | |
263 | ac97_write(codec, AC97_SURROUND_MASTER, 0x0000); | |
264 | ||
265 | /*power on LFE/CENTER/Surround DACs*/ | |
266 | ext_status = ac97_read(codec, AC97_EXTENDED_STATUS); | |
267 | ac97_write(codec, AC97_EXTENDED_STATUS, ext_status&~0x3800); | |
5f57dc8b | 268 | |
022658be | 269 | snd_soc_add_codec_controls(codec, ad1980_snd_ac97_controls, |
3e8e1952 | 270 | ARRAY_SIZE(ad1980_snd_ac97_controls)); |
5f57dc8b CC |
271 | |
272 | return 0; | |
273 | ||
274 | reset_err: | |
5f57dc8b | 275 | snd_soc_free_ac97_codec(codec); |
5f57dc8b CC |
276 | return ret; |
277 | } | |
278 | ||
f0fba2ad | 279 | static int ad1980_soc_remove(struct snd_soc_codec *codec) |
5f57dc8b | 280 | { |
5f57dc8b | 281 | snd_soc_free_ac97_codec(codec); |
5f57dc8b CC |
282 | return 0; |
283 | } | |
284 | ||
f0fba2ad | 285 | static struct snd_soc_codec_driver soc_codec_dev_ad1980 = { |
5f57dc8b CC |
286 | .probe = ad1980_soc_probe, |
287 | .remove = ad1980_soc_remove, | |
f0fba2ad LG |
288 | .reg_cache_size = ARRAY_SIZE(ad1980_reg), |
289 | .reg_word_size = sizeof(u16), | |
c7bad06f | 290 | .reg_cache_default = ad1980_reg, |
f0fba2ad LG |
291 | .reg_cache_step = 2, |
292 | .write = ac97_write, | |
293 | .read = ac97_read, | |
9e7e474c MB |
294 | |
295 | .dapm_widgets = ad1980_dapm_widgets, | |
296 | .num_dapm_widgets = ARRAY_SIZE(ad1980_dapm_widgets), | |
297 | .dapm_routes = ad1980_dapm_routes, | |
298 | .num_dapm_routes = ARRAY_SIZE(ad1980_dapm_routes), | |
5f57dc8b | 299 | }; |
f0fba2ad | 300 | |
7a79e94e | 301 | static int ad1980_probe(struct platform_device *pdev) |
f0fba2ad LG |
302 | { |
303 | return snd_soc_register_codec(&pdev->dev, | |
304 | &soc_codec_dev_ad1980, &ad1980_dai, 1); | |
305 | } | |
306 | ||
7a79e94e | 307 | static int ad1980_remove(struct platform_device *pdev) |
f0fba2ad LG |
308 | { |
309 | snd_soc_unregister_codec(&pdev->dev); | |
310 | return 0; | |
311 | } | |
312 | ||
313 | static struct platform_driver ad1980_codec_driver = { | |
314 | .driver = { | |
1afa98b8 | 315 | .name = "ad1980", |
f0fba2ad LG |
316 | .owner = THIS_MODULE, |
317 | }, | |
318 | ||
319 | .probe = ad1980_probe, | |
7a79e94e | 320 | .remove = ad1980_remove, |
f0fba2ad LG |
321 | }; |
322 | ||
5bbcc3c0 | 323 | module_platform_driver(ad1980_codec_driver); |
5f57dc8b | 324 | |
2e2211a3 | 325 | MODULE_DESCRIPTION("ASoC ad1980 driver (Obsolete)"); |
5f57dc8b CC |
326 | MODULE_AUTHOR("Roy Huang, Cliff Cai"); |
327 | MODULE_LICENSE("GPL"); |