/* * tegra_wm8753.c - Tegra machine ASoC driver for boards using WM8753 codec. * * Author: Stephen Warren * Copyright (C) 2010-2012 - NVIDIA, Inc. * * Based on code copyright/by: * * (c) 2009, 2010 Nvidia Graphics Pvt. Ltd. * * Copyright 2007 Wolfson Microelectronics PLC. * Author: Graeme Gregory * graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com * * 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 #include #include #include #include #include #include #include #include #include #include "../codecs/wm8753.h" #include "tegra_asoc_utils.h" #define DRV_NAME "tegra-snd-wm8753" struct tegra_wm8753 { struct tegra_asoc_utils_data util_data; }; static int tegra_wm8753_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_wm8753 *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, WM8753_MCLK, 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_wm8753_ops = { .hw_params = tegra_wm8753_hw_params, }; static const struct snd_soc_dapm_widget tegra_wm8753_dapm_widgets[] = { SND_SOC_DAPM_HP("Headphone Jack", NULL), SND_SOC_DAPM_MIC("Mic Jack", NULL), }; static struct snd_soc_dai_link tegra_wm8753_dai = { .name = "WM8753", .stream_name = "WM8753 PCM", .codec_dai_name = "wm8753-hifi", .ops = &tegra_wm8753_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_wm8753 = { .name = "tegra-wm8753", .owner = THIS_MODULE, .dai_link = &tegra_wm8753_dai, .num_links = 1, .dapm_widgets = tegra_wm8753_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(tegra_wm8753_dapm_widgets), .fully_routed = true, }; static int tegra_wm8753_driver_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; struct snd_soc_card *card = &snd_soc_tegra_wm8753; struct tegra_wm8753 *machine; int ret; machine = devm_kzalloc(&pdev->dev, sizeof(struct tegra_wm8753), GFP_KERNEL); if (!machine) { dev_err(&pdev->dev, "Can't allocate tegra_wm8753 struct\n"); 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_wm8753_dai.codec_of_node = of_parse_phandle(np, "nvidia,audio-codec", 0); if (!tegra_wm8753_dai.codec_of_node) { dev_err(&pdev->dev, "Property 'nvidia,audio-codec' missing or invalid\n"); ret = -EINVAL; goto err; } tegra_wm8753_dai.cpu_of_node = of_parse_phandle(np, "nvidia,i2s-controller", 0); if (!tegra_wm8753_dai.cpu_of_node) { dev_err(&pdev->dev, "Property 'nvidia,i2s-controller' missing or invalid\n"); ret = -EINVAL; goto err; } tegra_wm8753_dai.platform_of_node = tegra_wm8753_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_wm8753_driver_remove(struct platform_device *pdev) { struct snd_soc_card *card = platform_get_drvdata(pdev); struct tegra_wm8753 *machine = snd_soc_card_get_drvdata(card); snd_soc_unregister_card(card); tegra_asoc_utils_fini(&machine->util_data); return 0; } static const struct of_device_id tegra_wm8753_of_match[] = { { .compatible = "nvidia,tegra-audio-wm8753", }, {}, }; static struct platform_driver tegra_wm8753_driver = { .driver = { .name = DRV_NAME, .pm = &snd_soc_pm_ops, .of_match_table = tegra_wm8753_of_match, }, .probe = tegra_wm8753_driver_probe, .remove = tegra_wm8753_driver_remove, }; module_platform_driver(tegra_wm8753_driver); MODULE_AUTHOR("Stephen Warren "); MODULE_DESCRIPTION("Tegra+WM8753 machine ASoC driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:" DRV_NAME); MODULE_DEVICE_TABLE(of, tegra_wm8753_of_match); kaël Salaün3-24/+14 2017-02-10bpf: Use bpf_map_lookup_elem() from the libraryMickaël Salaün4-48/+37 2017-02-10bpf: Use bpf_map_update_elem() from the libraryMickaël Salaün4-89/+97 2017-02-10bpf: Use bpf_load_program() from the libraryMickaël Salaün4-27/+12 2017-02-10bpf: Always test unprivileged programsMickaël Salaün2-6/+64 2017-02-10bpf: Change the include directory for selftestMickaël Salaün1-1/+1 2017-02-06bpf: enable verifier to add 0 to packet ptrWilliam Tu1-0/+23 2017-02-06bpf: test for AND edge casesJosef Bacik1-0/+55