diff options
Diffstat (limited to 'sound/soc/tegra/tegra_sgtl5000.c')
| -rw-r--r-- | sound/soc/tegra/tegra_sgtl5000.c | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/sound/soc/tegra/tegra_sgtl5000.c b/sound/soc/tegra/tegra_sgtl5000.c deleted file mode 100644 index 6dda01f69983..000000000000 --- a/sound/soc/tegra/tegra_sgtl5000.c +++ /dev/null @@ -1,210 +0,0 @@ -/* - * tegra_sgtl5000.c - Tegra machine ASoC driver for boards using SGTL5000 codec - * - * Author: Marcel Ziswiler <marcel@ziswiler.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>. - * - * Based on code copyright/by: - * - * Copyright (C) 2010-2012 - NVIDIA, Inc. - * (c) 2009, 2010 Nvidia Graphics Pvt. Ltd. - * Copyright 2007 Wolfson Microelectronics PLC. - */ - -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/gpio.h> -#include <linux/of_gpio.h> - -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/soc.h> - -#include "../codecs/sgtl5000.h" - -#include "tegra_asoc_utils.h" - -#define DRV_NAME "tegra-snd-sgtl5000" - -struct tegra_sgtl5000 { - struct tegra_asoc_utils_data util_data; -}; - -static int tegra_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_card *card = rtd->card; - struct tegra_sgtl5000 *machine = snd_soc_card_get_drvdata(card); - int srate, mclk; - int err; - - srate = params_rate(params); - switch (srate) { - case 11025: - case 22050: - case 44100: - case 88200: - mclk = 11289600; - break; - default: - mclk = 12288000; - break; - } - - err = tegra_asoc_utils_set_rate(&machine->util_data, srate, mclk); - if (err < 0) { - dev_err(card->dev, "Can't configure clocks\n"); - return err; - } - - err = snd_soc_dai_set_sysclk(codec_dai, SGTL5000_SYSCLK, mclk, - SND_SOC_CLOCK_IN); - if (err < 0) { - dev_err(card->dev, "codec_dai clock not set\n"); - return err; - } - - return 0; -} - -static const struct snd_soc_ops tegra_sgtl5000_ops = { - .hw_params = tegra_sgtl5000_hw_params, -}; - -static const struct snd_soc_dapm_widget tegra_sgtl5000_dapm_widgets[] = { - SND_SOC_DAPM_HP("Headphone Jack", NULL), - SND_SOC_DAPM_LINE("Line In Jack", NULL), - SND_SOC_DAPM_MIC("Mic Jack", NULL), -}; - -static struct snd_soc_dai_link tegra_sgtl5000_dai = { - .name = "sgtl5000", - .stream_name = "HiFi", - .codec_dai_name = "sgtl5000", - .ops = &tegra_sgtl5000_ops, - .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | - SND_SOC_DAIFMT_CBS_CFS, -}; - -static struct snd_soc_card snd_soc_tegra_sgtl5000 = { - .name = "tegra-sgtl5000", - .owner = THIS_MODULE, - .dai_link = &tegra_sgtl5000_dai, - .num_links = 1, - .dapm_widgets = tegra_sgtl5000_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(tegra_sgtl5000_dapm_widgets), - .fully_routed = true, -}; - -static int tegra_sgtl5000_driver_probe(struct platform_device *pdev) -{ - struct device_node *np = pdev->dev.of_node; - struct snd_soc_card *card = &snd_soc_tegra_sgtl5000; - struct tegra_sgtl5000 *machine; - int ret; - - machine = devm_kzalloc(&pdev->dev, sizeof(struct tegra_sgtl5000), - GFP_KERNEL); - if (!machine) - return -ENOMEM; - - card->dev = &pdev->dev; - platform_set_drvdata(pdev, card); - snd_soc_card_set_drvdata(card, machine); - - ret = snd_soc_of_parse_card_name(card, "nvidia,model"); - if (ret) - goto err; - - ret = snd_soc_of_parse_audio_routing(card, "nvidia,audio-routing"); - if (ret) - goto err; - - tegra_sgtl5000_dai.codec_of_node = of_parse_phandle(np, - "nvidia,audio-codec", 0); - if (!tegra_sgtl5000_dai.codec_of_node) { - dev_err(&pdev->dev, - "Property 'nvidia,audio-codec' missing or invalid\n"); - ret = -EINVAL; - goto err; - } - - tegra_sgtl5000_dai.cpu_of_node = of_parse_phandle(np, - "nvidia,i2s-controller", 0); - if (!tegra_sgtl5000_dai.cpu_of_node) { - dev_err(&pdev->dev, - "Property 'nvidia,i2s-controller' missing/invalid\n"); - ret = -EINVAL; - goto err; - } - - tegra_sgtl5000_dai.platform_of_node = tegra_sgtl5000_dai.cpu_of_node; - - ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev); - if (ret) - goto err; - - 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(&machine->util_data); -err: - return ret; -} - -static int tegra_sgtl5000_driver_remove(struct platform_device *pdev) -{ - struct snd_soc_card *card = platform_get_drvdata(pdev); - struct tegra_sgtl5000 *machine = snd_soc_card_get_drvdata(card); - int ret; - - ret = snd_soc_unregister_card(card); - - tegra_asoc_utils_fini(&machine->util_data); - - return ret; -} - -static const struct of_device_id tegra_sgtl5000_of_match[] = { - { .compatible = "nvidia,tegra-audio-sgtl5000", }, - { /* sentinel */ }, -}; - -static struct platform_driver tegra_sgtl5000_driver = { - .driver = { - .name = DRV_NAME, - .pm = &snd_soc_pm_ops, - .of_match_table = tegra_sgtl5000_of_match, - }, - .probe = tegra_sgtl5000_driver_probe, - .remove = tegra_sgtl5000_driver_remove, -}; -module_platform_driver(tegra_sgtl5000_driver); - -MODULE_AUTHOR("Marcel Ziswiler <marcel@ziswiler.com>"); -MODULE_DESCRIPTION("Tegra SGTL5000 machine ASoC driver"); -MODULE_LICENSE("GPL v2"); -MODULE_ALIAS("platform:" DRV_NAME); -MODULE_DEVICE_TABLE(of, tegra_sgtl5000_of_match); |