Commit | Line | Data |
---|---|---|
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> | |
82d14636 | 27 | #include <linux/regmap.h> |
5f57dc8b CC |
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> | |
5f57dc8b | 33 | |
82d14636 LPC |
34 | static 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 | ||
62 | static 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 | ||
83 | static 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 | ||
94 | static 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), | |
5f57dc8b CC |
107 | }; |
108 | ||
109 | static const char *ad1980_rec_sel[] = {"Mic", "CD", "NC", "AUX", "Line", | |
110 | "Stereo Mix", "Mono Mix", "Phone"}; | |
111 | ||
901bb6c5 TI |
112 | static SOC_ENUM_DOUBLE_DECL(ad1980_cap_src, |
113 | AC97_REC_SEL, 8, 0, ad1980_rec_sel); | |
5f57dc8b CC |
114 | |
115 | static const struct snd_kcontrol_new ad1980_snd_ac97_controls[] = { | |
116 | SOC_DOUBLE("Master Playback Volume", AC97_MASTER, 8, 0, 31, 1), | |
117 | SOC_SINGLE("Master Playback Switch", AC97_MASTER, 15, 1, 1), | |
118 | ||
119 | SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1), | |
120 | SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1), | |
121 | ||
122 | SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1), | |
123 | SOC_SINGLE("PCM Playback Switch", AC97_PCM, 15, 1, 1), | |
124 | ||
125 | SOC_DOUBLE("PCM Capture Volume", AC97_REC_GAIN, 8, 0, 31, 0), | |
126 | SOC_SINGLE("PCM Capture Switch", AC97_REC_GAIN, 15, 1, 1), | |
127 | ||
128 | SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1), | |
129 | SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), | |
130 | ||
131 | SOC_SINGLE("Phone Capture Volume", AC97_PHONE, 0, 31, 1), | |
132 | SOC_SINGLE("Phone Capture Switch", AC97_PHONE, 15, 1, 1), | |
133 | ||
134 | SOC_SINGLE("Mic Volume", AC97_MIC, 0, 31, 1), | |
135 | SOC_SINGLE("Mic Switch", AC97_MIC, 15, 1, 1), | |
136 | ||
137 | SOC_SINGLE("Stereo Mic Switch", AC97_AD_MISC, 6, 1, 0), | |
138 | SOC_DOUBLE("Line HP Swap Switch", AC97_AD_MISC, 10, 5, 1, 0), | |
139 | ||
140 | SOC_DOUBLE("Surround Playback Volume", AC97_SURROUND_MASTER, 8, 0, 31, 1), | |
141 | SOC_DOUBLE("Surround Playback Switch", AC97_SURROUND_MASTER, 15, 7, 1, 1), | |
142 | ||
9905ed35 CC |
143 | SOC_DOUBLE("Center/LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 0, 31, 1), |
144 | SOC_DOUBLE("Center/LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 7, 1, 1), | |
145 | ||
5f57dc8b CC |
146 | SOC_ENUM("Capture Source", ad1980_cap_src), |
147 | ||
148 | SOC_SINGLE("Mic Boost Switch", AC97_MIC, 6, 1, 0), | |
149 | }; | |
150 | ||
9e7e474c MB |
151 | static const struct snd_soc_dapm_widget ad1980_dapm_widgets[] = { |
152 | SND_SOC_DAPM_INPUT("MIC1"), | |
153 | SND_SOC_DAPM_INPUT("MIC2"), | |
154 | SND_SOC_DAPM_INPUT("CD_L"), | |
155 | SND_SOC_DAPM_INPUT("CD_R"), | |
156 | SND_SOC_DAPM_INPUT("AUX_L"), | |
157 | SND_SOC_DAPM_INPUT("AUX_R"), | |
158 | SND_SOC_DAPM_INPUT("LINE_IN_L"), | |
159 | SND_SOC_DAPM_INPUT("LINE_IN_R"), | |
160 | ||
161 | SND_SOC_DAPM_OUTPUT("LFE_OUT"), | |
162 | SND_SOC_DAPM_OUTPUT("CENTER_OUT"), | |
163 | SND_SOC_DAPM_OUTPUT("LINE_OUT_L"), | |
164 | SND_SOC_DAPM_OUTPUT("LINE_OUT_R"), | |
165 | SND_SOC_DAPM_OUTPUT("MONO_OUT"), | |
166 | SND_SOC_DAPM_OUTPUT("HP_OUT_L"), | |
167 | SND_SOC_DAPM_OUTPUT("HP_OUT_R"), | |
168 | }; | |
169 | ||
170 | static 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 | ||
5f57dc8b CC |
189 | static unsigned int ac97_read(struct snd_soc_codec *codec, |
190 | unsigned int reg) | |
191 | { | |
82d14636 | 192 | return snd_soc_read(codec, reg); |
5f57dc8b CC |
193 | } |
194 | ||
195 | static int ac97_write(struct snd_soc_codec *codec, unsigned int reg, | |
196 | unsigned int val) | |
197 | { | |
82d14636 | 198 | return snd_soc_write(codec, reg, val); |
5f57dc8b CC |
199 | } |
200 | ||
de535a5b | 201 | static struct snd_soc_dai_driver ad1980_dai = { |
f0fba2ad | 202 | .name = "ad1980-hifi", |
5f57dc8b CC |
203 | .playback = { |
204 | .stream_name = "Playback", | |
205 | .channels_min = 2, | |
9905ed35 | 206 | .channels_max = 6, |
5f57dc8b | 207 | .rates = SNDRV_PCM_RATE_48000, |
33f503c9 | 208 | .formats = SND_SOC_STD_AC97_FMTS, }, |
5f57dc8b CC |
209 | .capture = { |
210 | .stream_name = "Capture", | |
211 | .channels_min = 2, | |
212 | .channels_max = 2, | |
213 | .rates = SNDRV_PCM_RATE_48000, | |
33f503c9 | 214 | .formats = SND_SOC_STD_AC97_FMTS, }, |
5f57dc8b | 215 | }; |
5f57dc8b CC |
216 | |
217 | static int ad1980_reset(struct snd_soc_codec *codec, int try_warm) | |
218 | { | |
358a8bb5 | 219 | struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec); |
cf7b71f4 LPC |
220 | unsigned int retry_cnt = 0; |
221 | ||
222 | do { | |
223 | if (try_warm && soc_ac97_ops->warm_reset) { | |
358a8bb5 | 224 | soc_ac97_ops->warm_reset(ac97); |
cf7b71f4 LPC |
225 | if (ac97_read(codec, AC97_RESET) == 0x0090) |
226 | return 1; | |
227 | } | |
228 | ||
358a8bb5 | 229 | soc_ac97_ops->reset(ac97); |
cf7b71f4 LPC |
230 | /* |
231 | * Set bit 16slot in register 74h, then every slot will has only | |
232 | * 16 bits. This command is sent out in 20bit mode, in which | |
233 | * case the first nibble of data is eaten by the addr. (Tag is | |
234 | * always 16 bit) | |
235 | */ | |
236 | ac97_write(codec, AC97_AD_SERIAL_CFG, 0x9900); | |
237 | ||
238 | if (ac97_read(codec, AC97_RESET) == 0x0090) | |
239 | return 0; | |
240 | } while (retry_cnt++ < 10); | |
5f57dc8b | 241 | |
e5adb6cd LPC |
242 | dev_err(codec->dev, "Failed to reset: AC97 link error\n"); |
243 | ||
5f57dc8b CC |
244 | return -EIO; |
245 | } | |
246 | ||
f0fba2ad | 247 | static int ad1980_soc_probe(struct snd_soc_codec *codec) |
5f57dc8b | 248 | { |
358a8bb5 | 249 | struct snd_ac97 *ac97; |
82d14636 | 250 | struct regmap *regmap; |
f0fba2ad | 251 | int ret; |
5f57dc8b | 252 | u16 vendor_id2; |
9905ed35 | 253 | u16 ext_status; |
5f57dc8b | 254 | |
358a8bb5 LPC |
255 | ac97 = snd_soc_new_ac97_codec(codec); |
256 | if (IS_ERR(ac97)) { | |
257 | ret = PTR_ERR(ac97); | |
258 | dev_err(codec->dev, "Failed to register AC97 codec: %d\n", ret); | |
f0fba2ad | 259 | return ret; |
5f57dc8b CC |
260 | } |
261 | ||
82d14636 LPC |
262 | regmap = regmap_init_ac97(ac97, &ad1980_regmap_config); |
263 | if (IS_ERR(regmap)) { | |
264 | ret = PTR_ERR(regmap); | |
265 | goto err_free_ac97; | |
266 | } | |
267 | ||
268 | snd_soc_codec_init_regmap(codec, regmap); | |
358a8bb5 LPC |
269 | snd_soc_codec_set_drvdata(codec, ac97); |
270 | ||
5f57dc8b | 271 | ret = ad1980_reset(codec, 0); |
e5adb6cd | 272 | if (ret < 0) |
5f57dc8b | 273 | goto reset_err; |
5f57dc8b CC |
274 | |
275 | /* Read out vendor ID to make sure it is ad1980 */ | |
0f73644f AL |
276 | if (ac97_read(codec, AC97_VENDOR_ID1) != 0x4144) { |
277 | ret = -ENODEV; | |
5f57dc8b | 278 | goto reset_err; |
0f73644f | 279 | } |
5f57dc8b CC |
280 | |
281 | vendor_id2 = ac97_read(codec, AC97_VENDOR_ID2); | |
282 | ||
283 | if (vendor_id2 != 0x5370) { | |
0f73644f AL |
284 | if (vendor_id2 != 0x5374) { |
285 | ret = -ENODEV; | |
5f57dc8b | 286 | goto reset_err; |
0f73644f | 287 | } else { |
e5adb6cd LPC |
288 | dev_warn(codec->dev, |
289 | "Found AD1981 - only 2/2 IN/OUT Channels supported\n"); | |
0f73644f | 290 | } |
5f57dc8b CC |
291 | } |
292 | ||
9905ed35 CC |
293 | /* unmute captures and playbacks volume */ |
294 | ac97_write(codec, AC97_MASTER, 0x0000); | |
295 | ac97_write(codec, AC97_PCM, 0x0000); | |
296 | ac97_write(codec, AC97_REC_GAIN, 0x0000); | |
297 | ac97_write(codec, AC97_CENTER_LFE_MASTER, 0x0000); | |
298 | ac97_write(codec, AC97_SURROUND_MASTER, 0x0000); | |
299 | ||
300 | /*power on LFE/CENTER/Surround DACs*/ | |
301 | ext_status = ac97_read(codec, AC97_EXTENDED_STATUS); | |
302 | ac97_write(codec, AC97_EXTENDED_STATUS, ext_status&~0x3800); | |
5f57dc8b | 303 | |
5f57dc8b CC |
304 | return 0; |
305 | ||
306 | reset_err: | |
82d14636 LPC |
307 | snd_soc_codec_exit_regmap(codec); |
308 | err_free_ac97: | |
358a8bb5 | 309 | snd_soc_free_ac97_codec(ac97); |
5f57dc8b CC |
310 | return ret; |
311 | } | |
312 | ||
f0fba2ad | 313 | static int ad1980_soc_remove(struct snd_soc_codec *codec) |
5f57dc8b | 314 | { |
358a8bb5 LPC |
315 | struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec); |
316 | ||
82d14636 | 317 | snd_soc_codec_exit_regmap(codec); |
358a8bb5 | 318 | snd_soc_free_ac97_codec(ac97); |
5f57dc8b CC |
319 | return 0; |
320 | } | |
321 | ||
f0fba2ad | 322 | static struct snd_soc_codec_driver soc_codec_dev_ad1980 = { |
5f57dc8b CC |
323 | .probe = ad1980_soc_probe, |
324 | .remove = ad1980_soc_remove, | |
9e7e474c | 325 | |
6ce13d61 LPC |
326 | .controls = ad1980_snd_ac97_controls, |
327 | .num_controls = ARRAY_SIZE(ad1980_snd_ac97_controls), | |
9e7e474c MB |
328 | .dapm_widgets = ad1980_dapm_widgets, |
329 | .num_dapm_widgets = ARRAY_SIZE(ad1980_dapm_widgets), | |
330 | .dapm_routes = ad1980_dapm_routes, | |
331 | .num_dapm_routes = ARRAY_SIZE(ad1980_dapm_routes), | |
5f57dc8b | 332 | }; |
f0fba2ad | 333 | |
7a79e94e | 334 | static int ad1980_probe(struct platform_device *pdev) |
f0fba2ad LG |
335 | { |
336 | return snd_soc_register_codec(&pdev->dev, | |
337 | &soc_codec_dev_ad1980, &ad1980_dai, 1); | |
338 | } | |
339 | ||
7a79e94e | 340 | static int ad1980_remove(struct platform_device *pdev) |
f0fba2ad LG |
341 | { |
342 | snd_soc_unregister_codec(&pdev->dev); | |
343 | return 0; | |
344 | } | |
345 | ||
346 | static struct platform_driver ad1980_codec_driver = { | |
347 | .driver = { | |
1afa98b8 | 348 | .name = "ad1980", |
f0fba2ad LG |
349 | .owner = THIS_MODULE, |
350 | }, | |
351 | ||
352 | .probe = ad1980_probe, | |
7a79e94e | 353 | .remove = ad1980_remove, |
f0fba2ad LG |
354 | }; |
355 | ||
5bbcc3c0 | 356 | module_platform_driver(ad1980_codec_driver); |
5f57dc8b | 357 | |
2e2211a3 | 358 | MODULE_DESCRIPTION("ASoC ad1980 driver (Obsolete)"); |
5f57dc8b CC |
359 | MODULE_AUTHOR("Roy Huang, Cliff Cai"); |
360 | MODULE_LICENSE("GPL"); |