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Linus 3.14-rc1
[deliverable/linux.git] / sound / soc / codecs / ad1980.c
CommitLineData
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 */
38static 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
57static const char *ad1980_rec_sel[] = {"Mic", "CD", "NC", "AUX", "Line",
58 "Stereo Mix", "Mono Mix", "Phone"};
59
60static const struct soc_enum ad1980_cap_src =
61 SOC_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 7, ad1980_rec_sel);
62
63static const struct snd_kcontrol_new ad1980_snd_ac97_controls[] = {
64SOC_DOUBLE("Master Playback Volume", AC97_MASTER, 8, 0, 31, 1),
65SOC_SINGLE("Master Playback Switch", AC97_MASTER, 15, 1, 1),
66
67SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
68SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
69
70SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
71SOC_SINGLE("PCM Playback Switch", AC97_PCM, 15, 1, 1),
72
73SOC_DOUBLE("PCM Capture Volume", AC97_REC_GAIN, 8, 0, 31, 0),
74SOC_SINGLE("PCM Capture Switch", AC97_REC_GAIN, 15, 1, 1),
75
76SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
77SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
78
79SOC_SINGLE("Phone Capture Volume", AC97_PHONE, 0, 31, 1),
80SOC_SINGLE("Phone Capture Switch", AC97_PHONE, 15, 1, 1),
81
82SOC_SINGLE("Mic Volume", AC97_MIC, 0, 31, 1),
83SOC_SINGLE("Mic Switch", AC97_MIC, 15, 1, 1),
84
85SOC_SINGLE("Stereo Mic Switch", AC97_AD_MISC, 6, 1, 0),
86SOC_DOUBLE("Line HP Swap Switch", AC97_AD_MISC, 10, 5, 1, 0),
87
88SOC_DOUBLE("Surround Playback Volume", AC97_SURROUND_MASTER, 8, 0, 31, 1),
89SOC_DOUBLE("Surround Playback Switch", AC97_SURROUND_MASTER, 15, 7, 1, 1),
90
9905ed35
CC		 91SOC_DOUBLE("Center/LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 0, 31, 1),
92SOC_DOUBLE("Center/LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 7, 1, 1),
93
5f57dc8b
CC		 94SOC_ENUM("Capture Source", ad1980_cap_src),
95
96SOC_SINGLE("Mic Boost Switch", AC97_MIC, 6, 1, 0),
97};
98
9e7e474c
MB		 99static const struct snd_soc_dapm_widget ad1980_dapm_widgets[] = {
100SND_SOC_DAPM_INPUT("MIC1"),
101SND_SOC_DAPM_INPUT("MIC2"),
102SND_SOC_DAPM_INPUT("CD_L"),
103SND_SOC_DAPM_INPUT("CD_R"),
104SND_SOC_DAPM_INPUT("AUX_L"),
105SND_SOC_DAPM_INPUT("AUX_R"),
106SND_SOC_DAPM_INPUT("LINE_IN_L"),
107SND_SOC_DAPM_INPUT("LINE_IN_R"),
108
109SND_SOC_DAPM_OUTPUT("LFE_OUT"),
110SND_SOC_DAPM_OUTPUT("CENTER_OUT"),
111SND_SOC_DAPM_OUTPUT("LINE_OUT_L"),
112SND_SOC_DAPM_OUTPUT("LINE_OUT_R"),
113SND_SOC_DAPM_OUTPUT("MONO_OUT"),
114SND_SOC_DAPM_OUTPUT("HP_OUT_L"),
115SND_SOC_DAPM_OUTPUT("HP_OUT_R"),
116};
117
118static 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		 137static 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
160static 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 173static 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
190static int ad1980_reset(struct snd_soc_codec *codec, int try_warm)
191{
192 u16 retry_cnt = 0;
193
194retry:
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
211err:
212 while (retry_cnt++ < 10)
213 goto retry;
214
215 printk(KERN_ERR "AD1980 AC97 reset failed\n");
216 return -EIO;
217}
218
f0fba2ad 219static 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
274reset_err:
5f57dc8b 275 snd_soc_free_ac97_codec(codec);
5f57dc8b
CC		 276 return ret;
277}
278
f0fba2ad 279static 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 285static 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 301static 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 307static int ad1980_remove(struct platform_device *pdev)
f0fba2ad
LG		 308{
309 snd_soc_unregister_codec(&pdev->dev);
310 return 0;
311}
312
313static 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 323module_platform_driver(ad1980_codec_driver);
5f57dc8b 324
2e2211a3 325MODULE_DESCRIPTION("ASoC ad1980 driver (Obsolete)");
5f57dc8b
CC		 326MODULE_AUTHOR("Roy Huang, Cliff Cai");
327MODULE_LICENSE("GPL");
Linux kernel - Deliverables
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