projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 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; | |
| 40 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
| 41 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
| 42 | int ret; | |
| 43 | ||
| 44 | ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S | | |
| 45 | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM); | |
| 46 | if (ret) | |
| 47 | return ret; | |
| 48 | ||
| 49 | ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | | |
| 50 | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM); | |
| 51 | if (ret) | |
| 52 | return ret; | |
| 53 | ||
| 54 | ret = snd_soc_dai_set_sysclk(codec_dai, ADAU1701_CLK_SRC_OSC, 12288000, | |
| 55 | SND_SOC_CLOCK_IN); | |
| 56 | ||
| 57 | return ret; | |
| 58 | } | |
| 59 | ||
| 60 | static struct snd_soc_ops bfin_eval_adau1701_ops = { | |
| 61 | .hw_params = bfin_eval_adau1701_hw_params, | |
| 62 | }; | |
| 63 | ||
| 64 | static struct snd_soc_dai_link bfin_eval_adau1701_dai[] = { | |
| 65 | { | |
| 66 | .name = "adau1701", | |
| 67 | .stream_name = "adau1701", | |
| 68 | .cpu_dai_name = "bfin-i2s.0", | |
| 69 | .codec_dai_name = "adau1701", | |
| 70 | .platform_name = "bfin-i2s-pcm-audio", | |
| 71 | .codec_name = "adau1701.0-0034", | |
| 72 | .ops = &bfin_eval_adau1701_ops, | |
| 73 | }, | |
| 74 | { | |
| 75 | .name = "adau1701", | |
| 76 | .stream_name = "adau1701", | |
| 77 | .cpu_dai_name = "bfin-i2s.1", | |
| 78 | .codec_dai_name = "adau1701", | |
| 79 | .platform_name = "bfin-i2s-pcm-audio", | |
| 80 | .codec_name = "adau1701.0-0034", | |
| 81 | .ops = &bfin_eval_adau1701_ops, | |
| 82 | }, | |
| 83 | }; | |
| 84 | ||
| 85 | static struct snd_soc_card bfin_eval_adau1701 = { | |
| 86 | .name = "bfin-eval-adau1701", | |
| 87 | .dai_link = &bfin_eval_adau1701_dai[CONFIG_SND_BF5XX_SPORT_NUM], | |
| 88 | .num_links = 1, | |
| 89 | ||
| 90 | .dapm_widgets = bfin_eval_adau1701_dapm_widgets, | |
| 91 | .num_dapm_widgets = ARRAY_SIZE(bfin_eval_adau1701_dapm_widgets), | |
| 92 | .dapm_routes = bfin_eval_adau1701_dapm_routes, | |
| 93 | .num_dapm_routes = ARRAY_SIZE(bfin_eval_adau1701_dapm_routes), | |
| 94 | }; | |
| 95 | ||
| 96 | static int bfin_eval_adau1701_probe(struct platform_device *pdev) | |
| 97 | { | |
| 98 | struct snd_soc_card *card = &bfin_eval_adau1701; | |
| 99 | ||
| 100 | card->dev = &pdev->dev; | |
| 101 | ||
| 102 | return snd_soc_register_card(&bfin_eval_adau1701); | |
| 103 | } | |
| 104 | ||
| 105 | static int __devexit bfin_eval_adau1701_remove(struct platform_device *pdev) | |
| 106 | { | |
| 107 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
| 108 | ||
| 109 | snd_soc_unregister_card(card); | |
| 110 | ||
| 111 | return 0; | |
| 112 | } | |
| 113 | ||
| 114 | static struct platform_driver bfin_eval_adau1701_driver = { | |
| 115 | .driver = { | |
| 116 | .name = "bfin-eval-adau1701", | |
| 117 | .owner = THIS_MODULE, | |
| 118 | .pm = &snd_soc_pm_ops, | |
| 119 | }, | |
| 120 | .probe = bfin_eval_adau1701_probe, | |
| 121 | .remove = __devexit_p(bfin_eval_adau1701_remove), | |
| 122 | }; | |
| 123 | ||
| 124 | static int __init bfin_eval_adau1701_init(void) | |
| 125 | { | |
| 126 | return platform_driver_register(&bfin_eval_adau1701_driver); | |
| 127 | } | |
| 128 | module_init(bfin_eval_adau1701_init); | |
| 129 | ||
| 130 | static void __exit bfin_eval_adau1701_exit(void) | |
| 131 | { | |
| 132 | platform_driver_unregister(&bfin_eval_adau1701_driver); | |
| 133 | } | |
| 134 | module_exit(bfin_eval_adau1701_exit); | |
| 135 | ||
| 136 | MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); | |
| 137 | MODULE_DESCRIPTION("ALSA SoC bfin ADAU1701 driver"); | |
| 138 | MODULE_LICENSE("GPL"); | |
| 139 | MODULE_ALIAS("platform:bfin-eval-adau1701"); |