2 * ad1980.c -- ALSA Soc AD1980 codec support
4 * Copyright: Analog Device Inc.
5 * Author: Roy Huang <roy.huang@analog.com>
6 * Cliff Cai <cliff.cai@analog.com>
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.
17 * Because Analog Devices Inc. discontinued the ad1980 sound chip since
18 * Sep. 2009, this ad1980 driver is not maintained, tested and supported
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 <sound/core.h>
28 #include <sound/pcm.h>
29 #include <sound/ac97_codec.h>
30 #include <sound/initval.h>
31 #include <sound/soc.h>
36 * AD1980 register cache
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 */
57 static const char *ad1980_rec_sel[] = {"Mic", "CD", "NC", "AUX", "Line",
58 "Stereo Mix", "Mono Mix", "Phone"};
60 static const struct soc_enum ad1980_cap_src =
61 SOC_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 7, ad1980_rec_sel);
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),
67 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
68 SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
70 SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
71 SOC_SINGLE("PCM Playback Switch", AC97_PCM, 15, 1, 1),
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),
76 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
77 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
79 SOC_SINGLE("Phone Capture Volume", AC97_PHONE, 0, 31, 1),
80 SOC_SINGLE("Phone Capture Switch", AC97_PHONE, 15, 1, 1),
82 SOC_SINGLE("Mic Volume", AC97_MIC, 0, 31, 1),
83 SOC_SINGLE("Mic Switch", AC97_MIC, 15, 1, 1),
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),
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),
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),
94 SOC_ENUM("Capture Source", ad1980_cap_src),
96 SOC_SINGLE("Mic Boost Switch", AC97_MIC, 6, 1, 0),
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"),
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"),
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" },
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" },
137 static unsigned int ac97_read(struct snd_soc_codec *codec,
140 u16 *cache = codec->reg_cache;
144 case AC97_INT_PAGING:
146 case AC97_EXTENDED_STATUS:
147 case AC97_VENDOR_ID1:
148 case AC97_VENDOR_ID2:
149 return soc_ac97_ops->read(codec->ac97, reg);
153 if (reg >= ARRAY_SIZE(ad1980_reg))
160 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
163 u16 *cache = codec->reg_cache;
165 soc_ac97_ops->write(codec->ac97, reg, val);
167 if (reg < ARRAY_SIZE(ad1980_reg))
173 static struct snd_soc_dai_driver ad1980_dai = {
174 .name = "ad1980-hifi",
177 .stream_name = "Playback",
180 .rates = SNDRV_PCM_RATE_48000,
181 .formats = SND_SOC_STD_AC97_FMTS, },
183 .stream_name = "Capture",
186 .rates = SNDRV_PCM_RATE_48000,
187 .formats = SND_SOC_STD_AC97_FMTS, },
190 static int ad1980_reset(struct snd_soc_codec *codec, int try_warm)
195 if (try_warm && soc_ac97_ops->warm_reset) {
196 soc_ac97_ops->warm_reset(codec->ac97);
197 if (ac97_read(codec, AC97_RESET) == 0x0090)
201 soc_ac97_ops->reset(codec->ac97);
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);
207 if (ac97_read(codec, AC97_RESET) != 0x0090)
212 while (retry_cnt++ < 10)
215 printk(KERN_ERR "AD1980 AC97 reset failed\n");
219 static int ad1980_soc_probe(struct snd_soc_codec *codec)
225 printk(KERN_INFO "AD1980 SoC Audio Codec\n");
227 ret = snd_soc_new_ac97_codec(codec, soc_ac97_ops, 0);
229 printk(KERN_ERR "ad1980: failed to register AC97 codec\n");
233 ret = ad1980_reset(codec, 0);
235 printk(KERN_ERR "Failed to reset AD1980: AC97 link error\n");
239 /* Read out vendor ID to make sure it is ad1980 */
240 if (ac97_read(codec, AC97_VENDOR_ID1) != 0x4144) {
245 vendor_id2 = ac97_read(codec, AC97_VENDOR_ID2);
247 if (vendor_id2 != 0x5370) {
248 if (vendor_id2 != 0x5374) {
252 printk(KERN_WARNING "ad1980: "
253 "Found AD1981 - only 2/2 IN/OUT Channels "
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);
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);
269 snd_soc_add_codec_controls(codec, ad1980_snd_ac97_controls,
270 ARRAY_SIZE(ad1980_snd_ac97_controls));
275 snd_soc_free_ac97_codec(codec);
279 static int ad1980_soc_remove(struct snd_soc_codec *codec)
281 snd_soc_free_ac97_codec(codec);
285 static struct snd_soc_codec_driver soc_codec_dev_ad1980 = {
286 .probe = ad1980_soc_probe,
287 .remove = ad1980_soc_remove,
288 .reg_cache_size = ARRAY_SIZE(ad1980_reg),
289 .reg_word_size = sizeof(u16),
290 .reg_cache_default = ad1980_reg,
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),
301 static int ad1980_probe(struct platform_device *pdev)
303 return snd_soc_register_codec(&pdev->dev,
304 &soc_codec_dev_ad1980, &ad1980_dai, 1);
307 static int ad1980_remove(struct platform_device *pdev)
309 snd_soc_unregister_codec(&pdev->dev);
313 static struct platform_driver ad1980_codec_driver = {
316 .owner = THIS_MODULE,
319 .probe = ad1980_probe,
320 .remove = ad1980_remove,
323 module_platform_driver(ad1980_codec_driver);
325 MODULE_DESCRIPTION("ASoC ad1980 driver (Obsolete)");
326 MODULE_AUTHOR("Roy Huang, Cliff Cai");
327 MODULE_LICENSE("GPL");