/* * Machine driver for EVAL-ADAU1x61MINIZ on Analog Devices bfin * evaluation boards. * * Copyright 2011-2014 Analog Devices Inc. * Author: Lars-Peter Clausen * * Licensed under the GPL-2 or later. */ #include #include #include #include #include #include #include #include "../codecs/adau17x1.h" static const struct snd_soc_dapm_widget bfin_eval_adau1x61_dapm_widgets[] = { SND_SOC_DAPM_LINE("In 1", NULL), SND_SOC_DAPM_LINE("In 2", NULL), SND_SOC_DAPM_LINE("In 3-4", NULL), SND_SOC_DAPM_LINE("Diff Out L", NULL), SND_SOC_DAPM_LINE("Diff Out R", NULL), SND_SOC_DAPM_LINE("Stereo Out", NULL), SND_SOC_DAPM_HP("Capless HP Out", NULL), }; static const struct snd_soc_dapm_route bfin_eval_adau1x61_dapm_routes[] = { { "LAUX", NULL, "In 3-4" }, { "RAUX", NULL, "In 3-4" }, { "LINP", NULL, "In 1" }, { "LINN", NULL, "In 1"}, { "RINP", NULL, "In 2" }, { "RINN", NULL, "In 2" }, { "In 1", NULL, "MICBIAS" }, { "In 2", NULL, "MICBIAS" }, { "Capless HP Out", NULL, "LHP" }, { "Capless HP Out", NULL, "RHP" }, { "Diff Out L", NULL, "LOUT" }, { "Diff Out R", NULL, "ROUT" }, { "Stereo Out", NULL, "LOUT" }, { "Stereo Out", NULL, "ROUT" }, }; static int bfin_eval_adau1x61_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *codec_dai = rtd->codec_dai; int pll_rate; int ret; switch (params_rate(params)) { case 48000: case 8000: case 12000: case 16000: case 24000: case 32000: case 96000: pll_rate = 48000 * 1024; break; case 44100: case 7350: case 11025: case 14700: case 22050: case 29400: case 88200: pll_rate = 44100 * 1024; break; default: return -EINVAL; } ret = snd_soc_dai_set_pll(codec_dai, ADAU17X1_PLL, ADAU17X1_PLL_SRC_MCLK, 12288000, pll_rate); if (ret) return ret; ret = snd_soc_dai_set_sysclk(codec_dai, ADAU17X1_CLK_SRC_PLL, pll_rate, SND_SOC_CLOCK_IN); return ret; } static const struct snd_soc_ops bfin_eval_adau1x61_ops = { .hw_params = bfin_eval_adau1x61_hw_params, }; static struct snd_soc_dai_link bfin_eval_adau1x61_dai = { .name = "adau1x61", .stream_name = "adau1x61", .cpu_dai_name = "bfin-i2s.0", .codec_dai_name = "adau-hifi", .platform_name = "bfin-i2s-pcm-audio", .codec_name = "adau1761.0-0038", .ops = &bfin_eval_adau1x61_ops, .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM, }; static struct snd_soc_card bfin_eval_adau1x61 = { .name = "bfin-eval-adau1x61", .owner = THIS_MODULE, .driver_name = "eval-adau1x61", .dai_link = &bfin_eval_adau1x61_dai, .num_links = 1, .dapm_widgets = bfin_eval_adau1x61_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(bfin_eval_adau1x61_dapm_widgets), .dapm_routes = bfin_eval_adau1x61_dapm_routes, .num_dapm_routes = ARRAY_SIZE(bfin_eval_adau1x61_dapm_routes), .fully_routed = true, }; static int bfin_eval_adau1x61_probe(struct platform_device *pdev) { bfin_eval_adau1x61.dev = &pdev->dev; return devm_snd_soc_register_card(&pdev->dev, &bfin_eval_adau1x61); } static struct platform_driver bfin_eval_adau1x61_driver = { .driver = { .name = "bfin-eval-adau1x61", .pm = &snd_soc_pm_ops, }, .probe = bfin_eval_adau1x61_probe, }; module_platform_driver(bfin_eval_adau1x61_driver); MODULE_AUTHOR("Lars-Peter Clausen "); MODULE_DESCRIPTION("ALSA SoC bfin adau1x61 driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:bfin-eval-adau1x61"); =nds-private-remove&id=f12e7d95d12fa4dbe655bd038a6d38526a879deb&showmsg=1'>Expand)AuthorFilesLines