/* * SoC audio driver for Toradex Colibri T30 * * Copyright (C) 2012-2014 Toradex Inc. * * 2012-02-12: Marcel Ziswiler * initial version * * Copied from tegra_wm8903.c * Copyright (C) 2010-2011 - NVIDIA, Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include #include #include #include #include #include #include #include #include #include #include "../codecs/sgtl5000.h" #include "tegra_pcm.h" #include "tegra_asoc_utils.h" #define DRV_NAME "tegra-snd-colibri_t30-sgtl5000" struct colibri_t30_sgtl5000 { struct tegra_asoc_utils_data util_data; struct tegra_asoc_platform_data *pdata; enum snd_soc_bias_level bias_level; }; static int colibri_t30_sgtl5000_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; struct snd_soc_dai *cpu_dai = rtd->cpu_dai; struct snd_soc_codec *codec = rtd->codec; struct snd_soc_card *card = codec->card; struct colibri_t30_sgtl5000 *machine = snd_soc_card_get_drvdata(card); struct tegra_asoc_platform_data *pdata = machine->pdata; int srate, mclk, i2s_daifmt; int err; int rate; /* sgtl5000 does not support 512*rate when in 96000 fs */ srate = params_rate(params); switch (srate) { case 96000: mclk = 256 * srate; break; default: mclk = 512 * srate; break; } /* Sgtl5000 sysclk should be >= 8MHz and <= 27M */ if (mclk < 8000000 || mclk > 27000000) return -EINVAL; if(pdata->i2s_param[HIFI_CODEC].is_i2s_master) { i2s_daifmt = SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS; } else { i2s_daifmt = SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM; } err = tegra_asoc_utils_set_rate(&machine->util_data, srate, mclk); if (err < 0) { if (!(machine->util_data.set_mclk % mclk)) mclk = machine->util_data.set_mclk; else { dev_err(card->dev, "Can't configure clocks\n"); return err; } } tegra_asoc_utils_lock_clk_rate(&machine->util_data, 1); rate = clk_get_rate(machine->util_data.clk_cdev1); /* Use DSP mode for mono on Tegra20 */ if (params_channels(params) != 2) { i2s_daifmt |= SND_SOC_DAIFMT_DSP_A; } else { switch (pdata->i2s_param[HIFI_CODEC].i2s_mode) { case TEGRA_DAIFMT_I2S : i2s_daifmt |= SND_SOC_DAIFMT_I2S; break; case TEGRA_DAIFMT_DSP_A : i2s_daifmt |= SND_SOC_DAIFMT_DSP_A; break; case TEGRA_DAIFMT_DSP_B : i2s_daifmt |= SND_SOC_DAIFMT_DSP_B; break; case TEGRA_DAIFMT_LEFT_J : i2s_daifmt |= SND_SOC_DAIFMT_LEFT_J; break; case TEGRA_DAIFMT_RIGHT_J : i2s_daifmt |= SND_SOC_DAIFMT_RIGHT_J; break; default : dev_err(card->dev, "Can't configure i2s format\n"); return -EINVAL; } } err = snd_soc_dai_set_fmt(codec_dai, i2s_daifmt); if (err < 0) { dev_err(card->dev, "codec_dai fmt not set\n"); return err; } err = snd_soc_dai_set_fmt(cpu_dai, i2s_daifmt); if (err < 0) { dev_err(card->dev, "cpu_dai fmt not set\n"); return err; } /* Set SGTL5000's SYSCLK (provided by clk_out_1) */ err = snd_soc_dai_set_sysclk(codec_dai, SGTL5000_SYSCLK, rate, SND_SOC_CLOCK_IN); if (err < 0) { dev_err(card->dev, "codec_dai clock not set\n"); return err; } return 0; } static int tegra_hw_free(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct colibri_t30_sgtl5000 *machine = snd_soc_card_get_drvdata(rtd->card); tegra_asoc_utils_lock_clk_rate(&machine->util_data, 0); return 0; } static struct snd_soc_ops colibri_t30_sgtl5000_ops = { .hw_params = colibri_t30_sgtl5000_hw_params, .hw_free = tegra_hw_free, }; /* Colibri T30 machine DAPM widgets */ static const struct snd_soc_dapm_widget colibri_t30_sgtl5000_dapm_widgets[] = { SND_SOC_DAPM_HP("HEADPHONE", NULL), SND_SOC_DAPM_LINE("LINEIN", NULL), SND_SOC_DAPM_MIC("MIC_IN", NULL), }; /* Colibri T30 machine audio map (connections to the codec pins) */ static const struct snd_soc_dapm_route colibri_t30_sgtl5000_dapm_route[] = { /* Colibri SODIMM pin 1 (MIC_IN) Colibri Evaluation Board: Audio jack X26 bottom pink Iris: Audio header X9 pin 2 Orchid: Audio jack X11 bottom pink MIC in */ //mic bias GPIO handling // [ 9.359733] tegra-snd-colibri_t30-sgtl5000 tegra-snd-colibri_t30-sgtl5000.0: Failed to add route MICIN->MIC_IN // { "MIC_IN", NULL, "MIC_IN" }, /* Colibri SODIMM pin 5 & 7 (LINEIN_L/R) Colibri Evaluation Board: Audio jack X26 top blue Iris: Audio header X9 pin 4 & 3 MECS Tellurium: Audio jack X11 pin 1 & 2 Orchid: Audio jack X11 top blue line in */ { "LINEIN", NULL, "LINE_IN" }, /* Colibri SODIMM pin 15 & 17 (HEADPHONE_L/R) Colibri Evaluation Board: Audio jack X26 middle green Iris: Audio jack X8 MECS Tellurium: Audio jack X11 pin 4 & 5 (HEADPHONE_LF/RF) Orchid: Audio jack X11 middle green line out Protea: Audio jack X53 line out */ //HP PGA handling { "HEADPHONE", NULL, "HP_OUT" }, }; static int colibri_t30_sgtl5000_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_codec *codec = rtd->codec; struct snd_soc_dapm_context *dapm = &codec->dapm; struct snd_soc_card *card = codec->card; struct colibri_t30_sgtl5000 *machine = snd_soc_card_get_drvdata(card); int ret; machine->bias_level = SND_SOC_BIAS_STANDBY; ret = tegra_asoc_utils_register_ctls(&machine->util_data); if (ret < 0) return ret; snd_soc_dapm_nc_pin(dapm, "LINE_OUT"); snd_soc_dapm_sync(dapm); return 0; } static struct snd_soc_dai_link colibri_t30_sgtl5000_dai[] = { { .name = "SGTL5000", .stream_name = "SGTL5000 PCM", .codec_name = "sgtl5000.4-000a", .platform_name = "tegra-pcm-audio", .cpu_dai_name = "tegra30-i2s.2", .codec_dai_name = "sgtl5000", .init = colibri_t30_sgtl5000_init, .ops = &colibri_t30_sgtl5000_ops, }, }; static struct snd_soc_card snd_soc_colibri_t30_sgtl5000 = { .name = "colibri_t30-sgtl5000", .dai_link = colibri_t30_sgtl5000_dai, .num_links = ARRAY_SIZE(colibri_t30_sgtl5000_dai), // .set_bias_level // .set_bias_level_post }; static __devinit int colibri_t30_sgtl5000_driver_probe(struct platform_device *pdev) { struct snd_soc_card *card = &snd_soc_colibri_t30_sgtl5000; struct colibri_t30_sgtl5000 *machine; struct tegra_asoc_platform_data *pdata; int ret; pdata = pdev->dev.platform_data; if (!pdata) { dev_err(&pdev->dev, "No platform data supplied\n"); return -EINVAL; } machine = kzalloc(sizeof(struct colibri_t30_sgtl5000), GFP_KERNEL); if (!machine) { dev_err(&pdev->dev, "Can't allocate colibri_t30_sgtl5000 struct\n"); return -ENOMEM; } machine->pdata = pdata; ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev, card); if (ret) goto err_free_machine; card->dev = &pdev->dev; platform_set_drvdata(pdev, card); snd_soc_card_set_drvdata(card, machine); card->dapm_widgets = colibri_t30_sgtl5000_dapm_widgets; card->num_dapm_widgets = ARRAY_SIZE(colibri_t30_sgtl5000_dapm_widgets); card->dapm_routes = colibri_t30_sgtl5000_dapm_route; card->num_dapm_routes = ARRAY_SIZE(colibri_t30_sgtl5000_dapm_route); ret = snd_soc_register_card(card); if (ret) { dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret); goto err_fini_utils; } if (!card->instantiated) { ret = -ENODEV; dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret); goto err_unregister_card; } ret = tegra_asoc_utils_set_parent(&machine->util_data, pdata->i2s_param[HIFI_CODEC].is_i2s_master); if (ret) { dev_err(&pdev->dev, "tegra_asoc_utils_set_parent failed (%d)\n", ret); goto err_unregister_card; } return 0; err_unregister_card: snd_soc_unregister_card(card); err_fini_utils: tegra_asoc_utils_fini(&machine->util_data); err_free_machine: kfree(machine); return ret; } static int __devexit colibri_t30_sgtl5000_driver_remove(struct platform_device *pdev) { struct snd_soc_card *card = platform_get_drvdata(pdev); struct colibri_t30_sgtl5000 *machine = snd_soc_card_get_drvdata(card); snd_soc_unregister_card(card); tegra_asoc_utils_fini(&machine->util_data); kfree(machine); return 0; } static struct platform_driver colibri_t30_sgtl5000_driver = { .driver = { .name = DRV_NAME, .owner = THIS_MODULE, .pm = &snd_soc_pm_ops, }, .probe = colibri_t30_sgtl5000_driver_probe, .remove = __devexit_p(colibri_t30_sgtl5000_driver_remove), }; static int __init colibri_t30_sgtl5000_modinit(void) { return platform_driver_register(&colibri_t30_sgtl5000_driver); } module_init(colibri_t30_sgtl5000_modinit); static void __exit colibri_t30_sgtl5000_modexit(void) { platform_driver_unregister(&colibri_t30_sgtl5000_driver); } module_exit(colibri_t30_sgtl5000_modexit); /* Module information */ MODULE_AUTHOR("Marcel Ziswiler "); MODULE_DESCRIPTION("ALSA SoC SGTL5000 on Toradex Colibri T30"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:" DRV_NAME);