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Diffstat (limited to 'sound/soc/codecs/ac97.c')
-rw-r--r--sound/soc/codecs/ac97.c124
1 files changed, 55 insertions, 69 deletions
diff --git a/sound/soc/codecs/ac97.c b/sound/soc/codecs/ac97.c
index 1f5e57a4bb7a..12c87d37eba1 100644
--- a/sound/soc/codecs/ac97.c
+++ b/sound/soc/codecs/ac97.c
@@ -21,7 +21,6 @@
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 24
26#define AC97_VERSION "0.6" 25#define AC97_VERSION "0.6"
27 26
@@ -30,8 +29,7 @@ static int ac97_prepare(struct snd_pcm_substream *substream,
30{ 29{
31 struct snd_pcm_runtime *runtime = substream->runtime; 30 struct snd_pcm_runtime *runtime = substream->runtime;
32 struct snd_soc_pcm_runtime *rtd = substream->private_data; 31 struct snd_soc_pcm_runtime *rtd = substream->private_data;
33 struct snd_soc_device *socdev = rtd->socdev; 32 struct snd_soc_codec *codec = rtd->codec;
34 struct snd_soc_codec *codec = socdev->card->codec;
35 33
36 int reg = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ? 34 int reg = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
37 AC97_PCM_FRONT_DAC_RATE : AC97_PCM_LR_ADC_RATE; 35 AC97_PCM_FRONT_DAC_RATE : AC97_PCM_LR_ADC_RATE;
@@ -46,8 +44,8 @@ static struct snd_soc_dai_ops ac97_dai_ops = {
46 .prepare = ac97_prepare, 44 .prepare = ac97_prepare,
47}; 45};
48 46
49struct snd_soc_dai ac97_dai = { 47static struct snd_soc_dai_driver ac97_dai = {
50 .name = "AC97 HiFi", 48 .name = "ac97-hifi",
51 .ac97_control = 1, 49 .ac97_control = 1,
52 .playback = { 50 .playback = {
53 .stream_name = "AC97 Playback", 51 .stream_name = "AC97 Playback",
@@ -63,7 +61,6 @@ struct snd_soc_dai ac97_dai = {
63 .formats = SND_SOC_STD_AC97_FMTS,}, 61 .formats = SND_SOC_STD_AC97_FMTS,},
64 .ops = &ac97_dai_ops, 62 .ops = &ac97_dai_ops,
65}; 63};
66EXPORT_SYMBOL_GPL(ac97_dai);
67 64
68static unsigned int ac97_read(struct snd_soc_codec *codec, 65static unsigned int ac97_read(struct snd_soc_codec *codec,
69 unsigned int reg) 66 unsigned int reg)
@@ -78,95 +75,49 @@ static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
78 return 0; 75 return 0;
79} 76}
80 77
81static int ac97_soc_probe(struct platform_device *pdev) 78static int ac97_soc_probe(struct snd_soc_codec *codec)
82{ 79{
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; 80 struct snd_ac97_bus *ac97_bus;
87 struct snd_ac97_template ac97_template; 81 struct snd_ac97_template ac97_template;
88 int i; 82 int ret;
89 int ret = 0;
90 83
91 printk(KERN_INFO "AC97 SoC Audio Codec %s\n", AC97_VERSION); 84 printk(KERN_INFO "AC97 SoC Audio Codec %s\n", AC97_VERSION);
92 85
93 socdev->card->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); 86 ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
94 if (!socdev->card->codec) 87 if (ret < 0) {
95 return -ENOMEM; 88 printk(KERN_ERR "ASoC: failed to init gen ac97 glue\n");
96 codec = socdev->card->codec; 89 return ret;
97 mutex_init(&codec->mutex); 90 }
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 91
113 /* add codec as bus device for standard ac97 */ 92 /* add codec as bus device for standard ac97 */
114 ret = snd_ac97_bus(codec->card, 0, &soc_ac97_ops, NULL, &ac97_bus); 93 ret = snd_ac97_bus(codec->card->snd_card, 0, &soc_ac97_ops, NULL, &ac97_bus);
115 if (ret < 0) 94 if (ret < 0)
116 goto bus_err; 95 return ret;
117 96
118 memset(&ac97_template, 0, sizeof(struct snd_ac97_template)); 97 memset(&ac97_template, 0, sizeof(struct snd_ac97_template));
119 ret = snd_ac97_mixer(ac97_bus, &ac97_template, &codec->ac97); 98 ret = snd_ac97_mixer(ac97_bus, &ac97_template, &codec->ac97);
120 if (ret < 0) 99 if (ret < 0)
121 goto bus_err; 100 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 }
129 101
130 return 0; 102 return 0;
131
132bus_err:
133 snd_soc_free_pcms(socdev);
134
135err:
136 kfree(socdev->card->codec);
137 socdev->card->codec = NULL;
138 return ret;
139} 103}
140 104
141static int ac97_soc_remove(struct platform_device *pdev) 105static int ac97_soc_remove(struct snd_soc_codec *codec)
142{ 106{
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; 107 return 0;
153} 108}
154 109
155#ifdef CONFIG_PM 110#ifdef CONFIG_PM
156static int ac97_soc_suspend(struct platform_device *pdev, pm_message_t msg) 111static int ac97_soc_suspend(struct snd_soc_codec *codec, pm_message_t msg)
157{ 112{
158 struct snd_soc_device *socdev = platform_get_drvdata(pdev); 113 snd_ac97_suspend(codec->ac97);
159
160 snd_ac97_suspend(socdev->card->codec->ac97);
161 114
162 return 0; 115 return 0;
163} 116}
164 117
165static int ac97_soc_resume(struct platform_device *pdev) 118static int ac97_soc_resume(struct snd_soc_codec *codec)
166{ 119{
167 struct snd_soc_device *socdev = platform_get_drvdata(pdev); 120 snd_ac97_resume(codec->ac97);
168
169 snd_ac97_resume(socdev->card->codec->ac97);
170 121
171 return 0; 122 return 0;
172} 123}
@@ -175,13 +126,48 @@ static int ac97_soc_resume(struct platform_device *pdev)
175#define ac97_soc_resume NULL 126#define ac97_soc_resume NULL
176#endif 127#endif
177 128
178struct snd_soc_codec_device soc_codec_dev_ac97 = { 129static struct snd_soc_codec_driver soc_codec_dev_ac97 = {
130 .write = ac97_write,
131 .read = ac97_read,
179 .probe = ac97_soc_probe, 132 .probe = ac97_soc_probe,
180 .remove = ac97_soc_remove, 133 .remove = ac97_soc_remove,
181 .suspend = ac97_soc_suspend, 134 .suspend = ac97_soc_suspend,
182 .resume = ac97_soc_resume, 135 .resume = ac97_soc_resume,
183}; 136};
184EXPORT_SYMBOL_GPL(soc_codec_dev_ac97); 137
138static __devinit int ac97_probe(struct platform_device *pdev)
139{
140 return snd_soc_register_codec(&pdev->dev,
141 &soc_codec_dev_ac97, &ac97_dai, 1);
142}
143
144static int __devexit ac97_remove(struct platform_device *pdev)
145{
146 snd_soc_unregister_codec(&pdev->dev);
147 return 0;
148}
149
150static struct platform_driver ac97_codec_driver = {
151 .driver = {
152 .name = "ac97-codec",
153 .owner = THIS_MODULE,
154 },
155
156 .probe = ac97_probe,
157 .remove = __devexit_p(ac97_remove),
158};
159
160static int __init ac97_init(void)
161{
162 return platform_driver_register(&ac97_codec_driver);
163}
164module_init(ac97_init);
165
166static void __exit ac97_exit(void)
167{
168 platform_driver_unregister(&ac97_codec_driver);
169}
170module_exit(ac97_exit);
185 171
186MODULE_DESCRIPTION("Soc Generic AC97 driver"); 172MODULE_DESCRIPTION("Soc Generic AC97 driver");
187MODULE_AUTHOR("Liam Girdwood"); 173MODULE_AUTHOR("Liam Girdwood");