Signed-off-by: Mike Rapoport mike@compulab.co.il --- v2 changes: * address Stephen and Mark comments * rebase against Mark's for-next branch * switch to data based specification of widgets and routes * explicitly disable unused codec pins

sound/soc/tegra/Kconfig | 9 ++ sound/soc/tegra/Makefile | 2 + sound/soc/tegra/trimslice.c | 228 +++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 239 insertions(+), 0 deletions(-) create mode 100644 sound/soc/tegra/trimslice.c

diff --git a/sound/soc/tegra/Kconfig b/sound/soc/tegra/Kconfig index 14f7119..183b118 100644 --- a/sound/soc/tegra/Kconfig +++ b/sound/soc/tegra/Kconfig @@ -26,3 +26,12 @@ config SND_SOC_TEGRA_WM8903 boards using the WM8093 codec. Currently, the supported boards are Harmony, Ventana, Seaboard, Kaen, and Aebl.

+config SND_TEGRA_SOC_TRIMSLICE + tristate "SoC Audio support for TrimSlice board" + depends on SND_SOC_TEGRA && MACH_TRIMSLICE && I2C + default m + select SND_TEGRA_SOC_I2S + select SND_SOC_TLV320AIC23 + help + Say Y or M here if you want to add support for SoC audio on the + TrimSlice platform. diff --git a/sound/soc/tegra/Makefile b/sound/soc/tegra/Makefile index 13bef8d..0a3d981 100644 --- a/sound/soc/tegra/Makefile +++ b/sound/soc/tegra/Makefile @@ -11,5 +11,7 @@ obj-$(CONFIG_SND_SOC_TEGRA_I2S) += snd-soc-tegra-i2s.o

# Tegra machine Support snd-soc-tegra-wm8903-objs := tegra_wm8903.o +snd-soc-tegra-trimslice-objs := trimslice.o

obj-$(CONFIG_SND_SOC_TEGRA_WM8903) += snd-soc-tegra-wm8903.o +obj-$(CONFIG_SND_TEGRA_SOC_TRIMSLICE) += snd-soc-tegra-trimslice.o diff --git a/sound/soc/tegra/trimslice.c b/sound/soc/tegra/trimslice.c new file mode 100644 index 0000000..8fc07e9 --- /dev/null +++ b/sound/soc/tegra/trimslice.c @@ -0,0 +1,228 @@ +/* + * trimslice.c - TrimSlice machine ASoC driver + * + * Copyright (C) 2011 - CompuLab, Ltd. + * Author: Mike Rapoport mike@compulab.co.il + * + * Based on code copyright/by: + * Author: Stephen Warren swarren@nvidia.com + * 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 + * version 2 as published by the Free Software Foundation. + * + * 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 St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <asm/mach-types.h> + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/slab.h> + +#include <sound/core.h> +#include <sound/jack.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> + +#include "../codecs/tlv320aic23.h" + +#include "tegra_das.h" +#include "tegra_i2s.h" +#include "tegra_pcm.h" +#include "tegra_asoc_utils.h" + +#define DRV_NAME "tegra-snd-trimslice" + +struct tegra_trimslice { + struct tegra_asoc_utils_data util_data; +}; + +static int trimslice_asoc_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 tegra_trimslice *trimslice = snd_soc_card_get_drvdata(card); + int srate, mclk; + int err; + + srate = params_rate(params); + mclk = 128 * srate; + + err = tegra_asoc_utils_set_rate(&trimslice->util_data, srate, mclk); + if (err < 0) { + dev_err(card->dev, "Can't configure clocks\n"); + return err; + } + + err = snd_soc_dai_set_fmt(codec_dai, + SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS); + if (err < 0) { + dev_err(card->dev, "codec_dai fmt not set\n"); + return err; + } + + err = snd_soc_dai_set_fmt(cpu_dai, + SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS); + if (err < 0) { + dev_err(card->dev, "cpu_dai fmt not set\n"); + return err; + } + + err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, + SND_SOC_CLOCK_IN); + if (err < 0) { + dev_err(card->dev, "codec_dai clock not set\n"); + return err; + } + + return 0; +} + +static struct snd_soc_ops trimslice_asoc_ops = { + .hw_params = trimslice_asoc_hw_params, +}; + +static const struct snd_soc_dapm_widget trimslice_dapm_widgets[] = { + SND_SOC_DAPM_HP("Line Out", NULL), + SND_SOC_DAPM_LINE("Line In", NULL), +}; + +static const struct snd_soc_dapm_route trimslice_audio_map[] = { + {"Line Out", NULL, "LOUT"}, + {"Line Out", NULL, "ROUT"}, + + {"LLINEIN", NULL, "Line In"}, + {"RLINEIN", NULL, "Line In"}, +}; + +static int trimslice_asoc_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_dapm_context *dapm = &codec->dapm; + + snd_soc_dapm_nc_pin(dapm, "LHPOUT"); + snd_soc_dapm_nc_pin(dapm, "RHPOUT"); + snd_soc_dapm_nc_pin(dapm, "MICIN"); + + snd_soc_dapm_sync(dapm); + + return 0; +} + +static struct snd_soc_dai_link trimslice_tlv320aic23_dai = { + .name = "TLV320AIC23", + .stream_name = "AIC23", + .codec_name = "tlv320aic23-codec.2-001a", + .platform_name = "tegra-pcm-audio", + .cpu_dai_name = "tegra-i2s.0", + .codec_dai_name = "tlv320aic23-hifi", + .init = trimslice_asoc_init, + .ops = &trimslice_asoc_ops, +}; + +static struct snd_soc_card snd_soc_trimslice = { + .name = "tegra-trimslice", + .dai_link = &trimslice_tlv320aic23_dai, + .num_links = 1, + + .dapm_widgets = trimslice_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(trimslice_dapm_widgets), + .dapm_routes = trimslice_audio_map, + .num_dapm_routes = ARRAY_SIZE(trimslice_audio_map), +}; + +static __devinit int tegra_snd_trimslice_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card = &snd_soc_trimslice; + struct tegra_trimslice *trimslice; + int ret; + + trimslice = kzalloc(sizeof(struct tegra_trimslice), GFP_KERNEL); + if (!trimslice) { + dev_err(&pdev->dev, "Can't allocate tegra_trimslice\n"); + return -ENOMEM; + } + + ret = tegra_asoc_utils_init(&trimslice->util_data, &pdev->dev); + if (ret) + goto err_free_trimslice; + + card->dev = &pdev->dev; + platform_set_drvdata(pdev, card); + snd_soc_card_set_drvdata(card, trimslice); + + ret = snd_soc_register_card(card); + if (ret) { + dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", + ret); + goto err_fini_utils; + } + + return 0; + +err_fini_utils: + tegra_asoc_utils_fini(&trimslice->util_data); +err_free_trimslice: + kfree(trimslice); + return ret; +} + +static int __devexit tegra_snd_trimslice_remove(struct platform_device *pdev) +{ + struct snd_soc_card *card = platform_get_drvdata(pdev); + struct tegra_trimslice *trimslice = snd_soc_card_get_drvdata(card); + + snd_soc_unregister_card(card); + + tegra_asoc_utils_fini(&trimslice->util_data); + + kfree(trimslice); + + return 0; +} + +static struct platform_driver tegra_snd_trimslice_driver = { + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + }, + .probe = tegra_snd_trimslice_probe, + .remove = __devexit_p(tegra_snd_trimslice_remove), +}; + +static int __init snd_tegra_trimslice_init(void) +{ + return platform_driver_register(&tegra_snd_trimslice_driver); +} +module_init(snd_tegra_trimslice_init); + +static void __exit snd_tegra_trimslice_exit(void) +{ + platform_driver_unregister(&tegra_snd_trimslice_driver); +} +module_exit(snd_tegra_trimslice_exit); + +MODULE_AUTHOR("Mike Rapoport mike@compulab.co.il"); +MODULE_DESCRIPTION("Trimslice machine ASoC driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:" DRV_NAME);