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>
34 * AD1980 register cache
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 */
55 static const char *ad1980_rec_sel
[] = {"Mic", "CD", "NC", "AUX", "Line",
56 "Stereo Mix", "Mono Mix", "Phone"};
58 static SOC_ENUM_DOUBLE_DECL(ad1980_cap_src
,
59 AC97_REC_SEL
, 8, 0, ad1980_rec_sel
);
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),
65 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE
, 8, 0, 31, 1),
66 SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE
, 15, 1, 1),
68 SOC_DOUBLE("PCM Playback Volume", AC97_PCM
, 8, 0, 31, 1),
69 SOC_SINGLE("PCM Playback Switch", AC97_PCM
, 15, 1, 1),
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),
74 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO
, 0, 31, 1),
75 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO
, 15, 1, 1),
77 SOC_SINGLE("Phone Capture Volume", AC97_PHONE
, 0, 31, 1),
78 SOC_SINGLE("Phone Capture Switch", AC97_PHONE
, 15, 1, 1),
80 SOC_SINGLE("Mic Volume", AC97_MIC
, 0, 31, 1),
81 SOC_SINGLE("Mic Switch", AC97_MIC
, 15, 1, 1),
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),
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),
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),
92 SOC_ENUM("Capture Source", ad1980_cap_src
),
94 SOC_SINGLE("Mic Boost Switch", AC97_MIC
, 6, 1, 0),
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"),
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"),
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" },
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" },
135 static unsigned int ac97_read(struct snd_soc_codec
*codec
,
138 u16
*cache
= codec
->reg_cache
;
142 case AC97_INT_PAGING
:
144 case AC97_EXTENDED_STATUS
:
145 case AC97_VENDOR_ID1
:
146 case AC97_VENDOR_ID2
:
147 return soc_ac97_ops
->read(codec
->ac97
, reg
);
151 if (reg
>= ARRAY_SIZE(ad1980_reg
))
158 static int ac97_write(struct snd_soc_codec
*codec
, unsigned int reg
,
161 u16
*cache
= codec
->reg_cache
;
163 soc_ac97_ops
->write(codec
->ac97
, reg
, val
);
165 if (reg
< ARRAY_SIZE(ad1980_reg
))
171 static struct snd_soc_dai_driver ad1980_dai
= {
172 .name
= "ad1980-hifi",
175 .stream_name
= "Playback",
178 .rates
= SNDRV_PCM_RATE_48000
,
179 .formats
= SND_SOC_STD_AC97_FMTS
, },
181 .stream_name
= "Capture",
184 .rates
= SNDRV_PCM_RATE_48000
,
185 .formats
= SND_SOC_STD_AC97_FMTS
, },
188 static int ad1980_reset(struct snd_soc_codec
*codec
, int try_warm
)
190 unsigned int retry_cnt
= 0;
193 if (try_warm
&& soc_ac97_ops
->warm_reset
) {
194 soc_ac97_ops
->warm_reset(codec
->ac97
);
195 if (ac97_read(codec
, AC97_RESET
) == 0x0090)
199 soc_ac97_ops
->reset(codec
->ac97
);
201 * Set bit 16slot in register 74h, then every slot will has only
202 * 16 bits. This command is sent out in 20bit mode, in which
203 * case the first nibble of data is eaten by the addr. (Tag is
206 ac97_write(codec
, AC97_AD_SERIAL_CFG
, 0x9900);
208 if (ac97_read(codec
, AC97_RESET
) == 0x0090)
210 } while (retry_cnt
++ < 10);
212 dev_err(codec
->dev
, "Failed to reset: AC97 link error\n");
217 static int ad1980_soc_probe(struct snd_soc_codec
*codec
)
223 ret
= snd_soc_new_ac97_codec(codec
, soc_ac97_ops
, 0);
225 dev_err(codec
->dev
, "Failed to register AC97 codec\n");
229 ret
= ad1980_reset(codec
, 0);
233 /* Read out vendor ID to make sure it is ad1980 */
234 if (ac97_read(codec
, AC97_VENDOR_ID1
) != 0x4144) {
239 vendor_id2
= ac97_read(codec
, AC97_VENDOR_ID2
);
241 if (vendor_id2
!= 0x5370) {
242 if (vendor_id2
!= 0x5374) {
247 "Found AD1981 - only 2/2 IN/OUT Channels supported\n");
251 /* unmute captures and playbacks volume */
252 ac97_write(codec
, AC97_MASTER
, 0x0000);
253 ac97_write(codec
, AC97_PCM
, 0x0000);
254 ac97_write(codec
, AC97_REC_GAIN
, 0x0000);
255 ac97_write(codec
, AC97_CENTER_LFE_MASTER
, 0x0000);
256 ac97_write(codec
, AC97_SURROUND_MASTER
, 0x0000);
258 /*power on LFE/CENTER/Surround DACs*/
259 ext_status
= ac97_read(codec
, AC97_EXTENDED_STATUS
);
260 ac97_write(codec
, AC97_EXTENDED_STATUS
, ext_status
&~0x3800);
265 snd_soc_free_ac97_codec(codec
);
269 static int ad1980_soc_remove(struct snd_soc_codec
*codec
)
271 snd_soc_free_ac97_codec(codec
);
275 static struct snd_soc_codec_driver soc_codec_dev_ad1980
= {
276 .probe
= ad1980_soc_probe
,
277 .remove
= ad1980_soc_remove
,
278 .reg_cache_size
= ARRAY_SIZE(ad1980_reg
),
279 .reg_word_size
= sizeof(u16
),
280 .reg_cache_default
= ad1980_reg
,
285 .controls
= ad1980_snd_ac97_controls
,
286 .num_controls
= ARRAY_SIZE(ad1980_snd_ac97_controls
),
287 .dapm_widgets
= ad1980_dapm_widgets
,
288 .num_dapm_widgets
= ARRAY_SIZE(ad1980_dapm_widgets
),
289 .dapm_routes
= ad1980_dapm_routes
,
290 .num_dapm_routes
= ARRAY_SIZE(ad1980_dapm_routes
),
293 static int ad1980_probe(struct platform_device
*pdev
)
295 return snd_soc_register_codec(&pdev
->dev
,
296 &soc_codec_dev_ad1980
, &ad1980_dai
, 1);
299 static int ad1980_remove(struct platform_device
*pdev
)
301 snd_soc_unregister_codec(&pdev
->dev
);
305 static struct platform_driver ad1980_codec_driver
= {
308 .owner
= THIS_MODULE
,
311 .probe
= ad1980_probe
,
312 .remove
= ad1980_remove
,
315 module_platform_driver(ad1980_codec_driver
);
317 MODULE_DESCRIPTION("ASoC ad1980 driver (Obsolete)");
318 MODULE_AUTHOR("Roy Huang, Cliff Cai");
319 MODULE_LICENSE("GPL");