diff options
Diffstat (limited to 'sound/soc/codecs/ac97.c')
-rw-r--r-- | sound/soc/codecs/ac97.c | 125 |
1 files changed, 51 insertions, 74 deletions
diff --git a/sound/soc/codecs/ac97.c b/sound/soc/codecs/ac97.c index 1f5e57a4bb7a..3c087936aa57 100644 --- a/sound/soc/codecs/ac97.c +++ b/sound/soc/codecs/ac97.c | |||
@@ -21,17 +21,13 @@ | |||
21 | #include <sound/ac97_codec.h> | 21 | #include <sound/ac97_codec.h> |
22 | #include <sound/initval.h> | 22 | #include <sound/initval.h> |
23 | #include <sound/soc.h> | 23 | #include <sound/soc.h> |
24 | #include "ac97.h" | ||
25 | |||
26 | #define AC97_VERSION "0.6" | ||
27 | 24 | ||
28 | static int ac97_prepare(struct snd_pcm_substream *substream, | 25 | static int ac97_prepare(struct snd_pcm_substream *substream, |
29 | struct snd_soc_dai *dai) | 26 | struct snd_soc_dai *dai) |
30 | { | 27 | { |
31 | struct snd_pcm_runtime *runtime = substream->runtime; | 28 | struct snd_pcm_runtime *runtime = substream->runtime; |
32 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | 29 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
33 | struct snd_soc_device *socdev = rtd->socdev; | 30 | struct snd_soc_codec *codec = rtd->codec; |
34 | struct snd_soc_codec *codec = socdev->card->codec; | ||
35 | 31 | ||
36 | int reg = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ? | 32 | int reg = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ? |
37 | AC97_PCM_FRONT_DAC_RATE : AC97_PCM_LR_ADC_RATE; | 33 | AC97_PCM_FRONT_DAC_RATE : AC97_PCM_LR_ADC_RATE; |
@@ -46,8 +42,8 @@ static struct snd_soc_dai_ops ac97_dai_ops = { | |||
46 | .prepare = ac97_prepare, | 42 | .prepare = ac97_prepare, |
47 | }; | 43 | }; |
48 | 44 | ||
49 | struct snd_soc_dai ac97_dai = { | 45 | static struct snd_soc_dai_driver ac97_dai = { |
50 | .name = "AC97 HiFi", | 46 | .name = "ac97-hifi", |
51 | .ac97_control = 1, | 47 | .ac97_control = 1, |
52 | .playback = { | 48 | .playback = { |
53 | .stream_name = "AC97 Playback", | 49 | .stream_name = "AC97 Playback", |
@@ -63,7 +59,6 @@ struct snd_soc_dai ac97_dai = { | |||
63 | .formats = SND_SOC_STD_AC97_FMTS,}, | 59 | .formats = SND_SOC_STD_AC97_FMTS,}, |
64 | .ops = &ac97_dai_ops, | 60 | .ops = &ac97_dai_ops, |
65 | }; | 61 | }; |
66 | EXPORT_SYMBOL_GPL(ac97_dai); | ||
67 | 62 | ||
68 | static unsigned int ac97_read(struct snd_soc_codec *codec, | 63 | static unsigned int ac97_read(struct snd_soc_codec *codec, |
69 | unsigned int reg) | 64 | unsigned int reg) |
@@ -78,95 +73,41 @@ static int ac97_write(struct snd_soc_codec *codec, unsigned int reg, | |||
78 | return 0; | 73 | return 0; |
79 | } | 74 | } |
80 | 75 | ||
81 | static int ac97_soc_probe(struct platform_device *pdev) | 76 | static int ac97_soc_probe(struct snd_soc_codec *codec) |
82 | { | 77 | { |
83 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | ||
84 | struct snd_soc_card *card = socdev->card; | ||
85 | struct snd_soc_codec *codec; | ||
86 | struct snd_ac97_bus *ac97_bus; | 78 | struct snd_ac97_bus *ac97_bus; |
87 | struct snd_ac97_template ac97_template; | 79 | struct snd_ac97_template ac97_template; |
88 | int i; | 80 | int ret; |
89 | int ret = 0; | ||
90 | |||
91 | printk(KERN_INFO "AC97 SoC Audio Codec %s\n", AC97_VERSION); | ||
92 | |||
93 | socdev->card->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); | ||
94 | if (!socdev->card->codec) | ||
95 | return -ENOMEM; | ||
96 | codec = socdev->card->codec; | ||
97 | mutex_init(&codec->mutex); | ||
98 | |||
99 | codec->name = "AC97"; | ||
100 | codec->owner = THIS_MODULE; | ||
101 | codec->dai = &ac97_dai; | ||
102 | codec->num_dai = 1; | ||
103 | codec->write = ac97_write; | ||
104 | codec->read = ac97_read; | ||
105 | INIT_LIST_HEAD(&codec->dapm_widgets); | ||
106 | INIT_LIST_HEAD(&codec->dapm_paths); | ||
107 | |||
108 | /* register pcms */ | ||
109 | ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); | ||
110 | if (ret < 0) | ||
111 | goto err; | ||
112 | 81 | ||
113 | /* add codec as bus device for standard ac97 */ | 82 | /* add codec as bus device for standard ac97 */ |
114 | ret = snd_ac97_bus(codec->card, 0, &soc_ac97_ops, NULL, &ac97_bus); | 83 | ret = snd_ac97_bus(codec->card->snd_card, 0, &soc_ac97_ops, NULL, &ac97_bus); |
115 | if (ret < 0) | 84 | if (ret < 0) |
116 | goto bus_err; | 85 | return ret; |
117 | 86 | ||
118 | memset(&ac97_template, 0, sizeof(struct snd_ac97_template)); | 87 | memset(&ac97_template, 0, sizeof(struct snd_ac97_template)); |
119 | ret = snd_ac97_mixer(ac97_bus, &ac97_template, &codec->ac97); | 88 | ret = snd_ac97_mixer(ac97_bus, &ac97_template, &codec->ac97); |
120 | if (ret < 0) | 89 | if (ret < 0) |
121 | goto bus_err; | 90 | return ret; |
122 | |||
123 | for (i = 0; i < card->num_links; i++) { | ||
124 | if (card->dai_link[i].codec_dai->ac97_control) { | ||
125 | snd_ac97_dev_add_pdata(codec->ac97, | ||
126 | card->dai_link[i].cpu_dai->ac97_pdata); | ||
127 | } | ||
128 | } | ||
129 | 91 | ||
130 | return 0; | 92 | return 0; |
131 | |||
132 | bus_err: | ||
133 | snd_soc_free_pcms(socdev); | ||
134 | |||
135 | err: | ||
136 | kfree(socdev->card->codec); | ||
137 | socdev->card->codec = NULL; | ||
138 | return ret; | ||
139 | } | 93 | } |
140 | 94 | ||
141 | static int ac97_soc_remove(struct platform_device *pdev) | 95 | static int ac97_soc_remove(struct snd_soc_codec *codec) |
142 | { | 96 | { |
143 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | ||
144 | struct snd_soc_codec *codec = socdev->card->codec; | ||
145 | |||
146 | if (!codec) | ||
147 | return 0; | ||
148 | |||
149 | snd_soc_free_pcms(socdev); | ||
150 | kfree(socdev->card->codec); | ||
151 | |||
152 | return 0; | 97 | return 0; |
153 | } | 98 | } |
154 | 99 | ||
155 | #ifdef CONFIG_PM | 100 | #ifdef CONFIG_PM |
156 | static int ac97_soc_suspend(struct platform_device *pdev, pm_message_t msg) | 101 | static int ac97_soc_suspend(struct snd_soc_codec *codec, pm_message_t msg) |
157 | { | 102 | { |
158 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | 103 | snd_ac97_suspend(codec->ac97); |
159 | |||
160 | snd_ac97_suspend(socdev->card->codec->ac97); | ||
161 | 104 | ||
162 | return 0; | 105 | return 0; |
163 | } | 106 | } |
164 | 107 | ||
165 | static int ac97_soc_resume(struct platform_device *pdev) | 108 | static int ac97_soc_resume(struct snd_soc_codec *codec) |
166 | { | 109 | { |
167 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | 110 | snd_ac97_resume(codec->ac97); |
168 | |||
169 | snd_ac97_resume(socdev->card->codec->ac97); | ||
170 | 111 | ||
171 | return 0; | 112 | return 0; |
172 | } | 113 | } |
@@ -175,14 +116,50 @@ static int ac97_soc_resume(struct platform_device *pdev) | |||
175 | #define ac97_soc_resume NULL | 116 | #define ac97_soc_resume NULL |
176 | #endif | 117 | #endif |
177 | 118 | ||
178 | struct snd_soc_codec_device soc_codec_dev_ac97 = { | 119 | static struct snd_soc_codec_driver soc_codec_dev_ac97 = { |
120 | .write = ac97_write, | ||
121 | .read = ac97_read, | ||
179 | .probe = ac97_soc_probe, | 122 | .probe = ac97_soc_probe, |
180 | .remove = ac97_soc_remove, | 123 | .remove = ac97_soc_remove, |
181 | .suspend = ac97_soc_suspend, | 124 | .suspend = ac97_soc_suspend, |
182 | .resume = ac97_soc_resume, | 125 | .resume = ac97_soc_resume, |
183 | }; | 126 | }; |
184 | EXPORT_SYMBOL_GPL(soc_codec_dev_ac97); | 127 | |
128 | static __devinit int ac97_probe(struct platform_device *pdev) | ||
129 | { | ||
130 | return snd_soc_register_codec(&pdev->dev, | ||
131 | &soc_codec_dev_ac97, &ac97_dai, 1); | ||
132 | } | ||
133 | |||
134 | static int __devexit ac97_remove(struct platform_device *pdev) | ||
135 | { | ||
136 | snd_soc_unregister_codec(&pdev->dev); | ||
137 | return 0; | ||
138 | } | ||
139 | |||
140 | static struct platform_driver ac97_codec_driver = { | ||
141 | .driver = { | ||
142 | .name = "ac97-codec", | ||
143 | .owner = THIS_MODULE, | ||
144 | }, | ||
145 | |||
146 | .probe = ac97_probe, | ||
147 | .remove = __devexit_p(ac97_remove), | ||
148 | }; | ||
149 | |||
150 | static int __init ac97_init(void) | ||
151 | { | ||
152 | return platform_driver_register(&ac97_codec_driver); | ||
153 | } | ||
154 | module_init(ac97_init); | ||
155 | |||
156 | static void __exit ac97_exit(void) | ||
157 | { | ||
158 | platform_driver_unregister(&ac97_codec_driver); | ||
159 | } | ||
160 | module_exit(ac97_exit); | ||
185 | 161 | ||
186 | MODULE_DESCRIPTION("Soc Generic AC97 driver"); | 162 | MODULE_DESCRIPTION("Soc Generic AC97 driver"); |
187 | MODULE_AUTHOR("Liam Girdwood"); | 163 | MODULE_AUTHOR("Liam Girdwood"); |
188 | MODULE_LICENSE("GPL"); | 164 | MODULE_LICENSE("GPL"); |
165 | MODULE_ALIAS("platform:ac97-codec"); | ||