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53a93d58 LPC |
1 | /* |
2 | * Machine driver for EVAL-ADAU1701MINIZ on Analog Devices bfin | |
3 | * evaluation boards. | |
4 | * | |
5 | * Copyright 2011 Analog Devices Inc. | |
6 | * Author: Lars-Peter Clausen <lars@metafoo.de> | |
7 | * | |
8 | * Licensed under the GPL-2 or later. | |
9 | */ | |
10 | ||
11 | #include <linux/module.h> | |
12 | #include <linux/device.h> | |
13 | #include <sound/core.h> | |
14 | #include <sound/pcm.h> | |
15 | #include <sound/soc.h> | |
16 | #include <sound/pcm_params.h> | |
17 | ||
18 | #include "../codecs/adau1701.h" | |
19 | ||
20 | static const struct snd_soc_dapm_widget bfin_eval_adau1701_dapm_widgets[] = { | |
21 | SND_SOC_DAPM_SPK("Speaker", NULL), | |
22 | SND_SOC_DAPM_LINE("Line Out", NULL), | |
23 | SND_SOC_DAPM_LINE("Line In", NULL), | |
24 | }; | |
25 | ||
26 | static const struct snd_soc_dapm_route bfin_eval_adau1701_dapm_routes[] = { | |
27 | { "Speaker", NULL, "OUT0" }, | |
28 | { "Speaker", NULL, "OUT1" }, | |
29 | { "Line Out", NULL, "OUT2" }, | |
30 | { "Line Out", NULL, "OUT3" }, | |
31 | ||
32 | { "IN0", NULL, "Line In" }, | |
33 | { "IN1", NULL, "Line In" }, | |
34 | }; | |
35 | ||
36 | static int bfin_eval_adau1701_hw_params(struct snd_pcm_substream *substream, | |
37 | struct snd_pcm_hw_params *params) | |
38 | { | |
39 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
53a93d58 LPC |
40 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
41 | int ret; | |
42 | ||
53a93d58 LPC |
43 | ret = snd_soc_dai_set_sysclk(codec_dai, ADAU1701_CLK_SRC_OSC, 12288000, |
44 | SND_SOC_CLOCK_IN); | |
45 | ||
46 | return ret; | |
47 | } | |
48 | ||
49 | static struct snd_soc_ops bfin_eval_adau1701_ops = { | |
50 | .hw_params = bfin_eval_adau1701_hw_params, | |
51 | }; | |
52 | ||
980b0bc6 LPC |
53 | #define BFIN_EVAL_ADAU1701_DAI_FMT (SND_SOC_DAIFMT_I2S | \ |
54 | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM) | |
55 | ||
53a93d58 LPC |
56 | static struct snd_soc_dai_link bfin_eval_adau1701_dai[] = { |
57 | { | |
58 | .name = "adau1701", | |
59 | .stream_name = "adau1701", | |
60 | .cpu_dai_name = "bfin-i2s.0", | |
61 | .codec_dai_name = "adau1701", | |
62 | .platform_name = "bfin-i2s-pcm-audio", | |
63 | .codec_name = "adau1701.0-0034", | |
64 | .ops = &bfin_eval_adau1701_ops, | |
980b0bc6 | 65 | .dai_fmt = BFIN_EVAL_ADAU1701_DAI_FMT, |
53a93d58 LPC |
66 | }, |
67 | { | |
68 | .name = "adau1701", | |
69 | .stream_name = "adau1701", | |
70 | .cpu_dai_name = "bfin-i2s.1", | |
71 | .codec_dai_name = "adau1701", | |
72 | .platform_name = "bfin-i2s-pcm-audio", | |
73 | .codec_name = "adau1701.0-0034", | |
74 | .ops = &bfin_eval_adau1701_ops, | |
980b0bc6 | 75 | .dai_fmt = BFIN_EVAL_ADAU1701_DAI_FMT, |
53a93d58 LPC |
76 | }, |
77 | }; | |
78 | ||
79 | static struct snd_soc_card bfin_eval_adau1701 = { | |
80 | .name = "bfin-eval-adau1701", | |
30e49530 | 81 | .owner = THIS_MODULE, |
53a93d58 LPC |
82 | .dai_link = &bfin_eval_adau1701_dai[CONFIG_SND_BF5XX_SPORT_NUM], |
83 | .num_links = 1, | |
84 | ||
85 | .dapm_widgets = bfin_eval_adau1701_dapm_widgets, | |
86 | .num_dapm_widgets = ARRAY_SIZE(bfin_eval_adau1701_dapm_widgets), | |
87 | .dapm_routes = bfin_eval_adau1701_dapm_routes, | |
88 | .num_dapm_routes = ARRAY_SIZE(bfin_eval_adau1701_dapm_routes), | |
89 | }; | |
90 | ||
91 | static int bfin_eval_adau1701_probe(struct platform_device *pdev) | |
92 | { | |
93 | struct snd_soc_card *card = &bfin_eval_adau1701; | |
94 | ||
95 | card->dev = &pdev->dev; | |
96 | ||
97 | return snd_soc_register_card(&bfin_eval_adau1701); | |
98 | } | |
99 | ||
100 | static int __devexit bfin_eval_adau1701_remove(struct platform_device *pdev) | |
101 | { | |
102 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
103 | ||
104 | snd_soc_unregister_card(card); | |
105 | ||
106 | return 0; | |
107 | } | |
108 | ||
109 | static struct platform_driver bfin_eval_adau1701_driver = { | |
110 | .driver = { | |
111 | .name = "bfin-eval-adau1701", | |
112 | .owner = THIS_MODULE, | |
113 | .pm = &snd_soc_pm_ops, | |
114 | }, | |
115 | .probe = bfin_eval_adau1701_probe, | |
116 | .remove = __devexit_p(bfin_eval_adau1701_remove), | |
117 | }; | |
118 | ||
fb80297e | 119 | module_platform_driver(bfin_eval_adau1701_driver); |
53a93d58 LPC |
120 | |
121 | MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); | |
122 | MODULE_DESCRIPTION("ALSA SoC bfin ADAU1701 driver"); | |
123 | MODULE_LICENSE("GPL"); | |
124 | MODULE_ALIAS("platform:bfin-eval-adau1701"); |