ASoC: tegra: TrimSlice machine support
Signed-off-by: Mike Rapoport <mike@compulab.co.il> Acked-by: Stephen Warren <swarren@nvidia.com> Acked-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mike Rapoport
Mark Brown
Родитель
9b1b937c77
Коммит
1307394afd
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@ -30,3 +30,11 @@ config SND_SOC_TEGRA_WM8903
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boards using the WM8093 codec. Currently, the supported boards are
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Harmony, Ventana, Seaboard, Kaen, and Aebl.
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config SND_SOC_TEGRA_TRIMSLICE
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tristate "SoC Audio support for TrimSlice board"
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depends on SND_SOC_TEGRA && MACH_TRIMSLICE && I2C
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select SND_SOC_TEGRA_I2S
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select SND_SOC_TLV320AIC23
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help
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Say Y or M here if you want to add support for SoC audio on the
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TrimSlice platform.
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@ -11,5 +11,7 @@ obj-$(CONFIG_SND_SOC_TEGRA_I2S) += snd-soc-tegra-i2s.o
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# Tegra machine Support
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snd-soc-tegra-wm8903-objs := tegra_wm8903.o
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snd-soc-tegra-trimslice-objs := trimslice.o
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obj-$(CONFIG_SND_SOC_TEGRA_WM8903) += snd-soc-tegra-wm8903.o
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obj-$(CONFIG_SND_SOC_TEGRA_TRIMSLICE) += snd-soc-tegra-trimslice.o
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@ -0,0 +1,228 @@
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/*
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* trimslice.c - TrimSlice machine ASoC driver
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*
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* Copyright (C) 2011 - CompuLab, Ltd.
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* Author: Mike Rapoport <mike@compulab.co.il>
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*
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* Based on code copyright/by:
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* Author: Stephen Warren <swarren@nvidia.com>
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* Copyright (C) 2010-2011 - NVIDIA, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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*/
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#include <asm/mach-types.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/slab.h>
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#include <sound/core.h>
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#include <sound/jack.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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#include "../codecs/tlv320aic23.h"
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#include "tegra_das.h"
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#include "tegra_i2s.h"
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#include "tegra_pcm.h"
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#include "tegra_asoc_utils.h"
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#define DRV_NAME "tegra-snd-trimslice"
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struct tegra_trimslice {
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struct tegra_asoc_utils_data util_data;
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};
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static int trimslice_asoc_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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struct snd_soc_codec *codec = rtd->codec;
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struct snd_soc_card *card = codec->card;
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struct tegra_trimslice *trimslice = snd_soc_card_get_drvdata(card);
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int srate, mclk;
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int err;
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srate = params_rate(params);
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mclk = 128 * srate;
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err = tegra_asoc_utils_set_rate(&trimslice->util_data, srate, mclk);
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if (err < 0) {
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dev_err(card->dev, "Can't configure clocks\n");
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return err;
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}
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err = snd_soc_dai_set_fmt(codec_dai,
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SND_SOC_DAIFMT_I2S |
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SND_SOC_DAIFMT_NB_NF |
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SND_SOC_DAIFMT_CBS_CFS);
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if (err < 0) {
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dev_err(card->dev, "codec_dai fmt not set\n");
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return err;
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}
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err = snd_soc_dai_set_fmt(cpu_dai,
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SND_SOC_DAIFMT_I2S |
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SND_SOC_DAIFMT_NB_NF |
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SND_SOC_DAIFMT_CBS_CFS);
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if (err < 0) {
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dev_err(card->dev, "cpu_dai fmt not set\n");
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return err;
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}
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err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
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SND_SOC_CLOCK_IN);
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if (err < 0) {
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dev_err(card->dev, "codec_dai clock not set\n");
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return err;
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}
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return 0;
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}
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static struct snd_soc_ops trimslice_asoc_ops = {
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.hw_params = trimslice_asoc_hw_params,
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};
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static const struct snd_soc_dapm_widget trimslice_dapm_widgets[] = {
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SND_SOC_DAPM_HP("Line Out", NULL),
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SND_SOC_DAPM_LINE("Line In", NULL),
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};
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static const struct snd_soc_dapm_route trimslice_audio_map[] = {
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{"Line Out", NULL, "LOUT"},
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{"Line Out", NULL, "ROUT"},
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{"LLINEIN", NULL, "Line In"},
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{"RLINEIN", NULL, "Line In"},
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};
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static int trimslice_asoc_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_codec *codec = rtd->codec;
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struct snd_soc_dapm_context *dapm = &codec->dapm;
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snd_soc_dapm_nc_pin(dapm, "LHPOUT");
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snd_soc_dapm_nc_pin(dapm, "RHPOUT");
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snd_soc_dapm_nc_pin(dapm, "MICIN");
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snd_soc_dapm_sync(dapm);
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return 0;
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}
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static struct snd_soc_dai_link trimslice_tlv320aic23_dai = {
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.name = "TLV320AIC23",
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.stream_name = "AIC23",
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.codec_name = "tlv320aic23-codec.2-001a",
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.platform_name = "tegra-pcm-audio",
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.cpu_dai_name = "tegra-i2s.0",
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.codec_dai_name = "tlv320aic23-hifi",
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.init = trimslice_asoc_init,
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.ops = &trimslice_asoc_ops,
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};
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static struct snd_soc_card snd_soc_trimslice = {
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.name = "tegra-trimslice",
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.dai_link = &trimslice_tlv320aic23_dai,
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.num_links = 1,
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.dapm_widgets = trimslice_dapm_widgets,
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.num_dapm_widgets = ARRAY_SIZE(trimslice_dapm_widgets),
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.dapm_routes = trimslice_audio_map,
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.num_dapm_routes = ARRAY_SIZE(trimslice_audio_map),
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};
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static __devinit int tegra_snd_trimslice_probe(struct platform_device *pdev)
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{
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struct snd_soc_card *card = &snd_soc_trimslice;
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struct tegra_trimslice *trimslice;
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int ret;
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trimslice = kzalloc(sizeof(struct tegra_trimslice), GFP_KERNEL);
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if (!trimslice) {
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dev_err(&pdev->dev, "Can't allocate tegra_trimslice\n");
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return -ENOMEM;
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}
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ret = tegra_asoc_utils_init(&trimslice->util_data, &pdev->dev);
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if (ret)
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goto err_free_trimslice;
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card->dev = &pdev->dev;
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platform_set_drvdata(pdev, card);
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snd_soc_card_set_drvdata(card, trimslice);
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ret = snd_soc_register_card(card);
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if (ret) {
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dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
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ret);
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goto err_fini_utils;
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}
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return 0;
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err_fini_utils:
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tegra_asoc_utils_fini(&trimslice->util_data);
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err_free_trimslice:
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kfree(trimslice);
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return ret;
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}
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static int __devexit tegra_snd_trimslice_remove(struct platform_device *pdev)
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{
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struct snd_soc_card *card = platform_get_drvdata(pdev);
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struct tegra_trimslice *trimslice = snd_soc_card_get_drvdata(card);
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snd_soc_unregister_card(card);
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tegra_asoc_utils_fini(&trimslice->util_data);
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kfree(trimslice);
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return 0;
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}
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static struct platform_driver tegra_snd_trimslice_driver = {
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.driver = {
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.name = DRV_NAME,
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.owner = THIS_MODULE,
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},
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.probe = tegra_snd_trimslice_probe,
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.remove = __devexit_p(tegra_snd_trimslice_remove),
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};
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static int __init snd_tegra_trimslice_init(void)
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{
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return platform_driver_register(&tegra_snd_trimslice_driver);
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}
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module_init(snd_tegra_trimslice_init);
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static void __exit snd_tegra_trimslice_exit(void)
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{
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platform_driver_unregister(&tegra_snd_trimslice_driver);
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}
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module_exit(snd_tegra_trimslice_exit);
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MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");
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MODULE_DESCRIPTION("Trimslice machine ASoC driver");
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MODULE_LICENSE("GPL");
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MODULE_ALIAS("platform:" DRV_NAME);
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