// SPDX-License-Identifier: GPL-2.0-or-later /* * sam9g20_wm8731 -- SoC audio for AT91SAM9G20-based * ATMEL AT91SAM9G20ek board. * * Copyright (C) 2005 SAN People * Copyright (C) 2008 Atmel * * Authors: Sedji Gaouaou <[email protected]> * * Based on ati_b1_wm8731.c by: * Frank Mandarino <[email protected]> * Copyright 2006 Endrelia Technologies Inc. * Based on corgi.c by: * Copyright 2005 Wolfson Microelectronics PLC. * Copyright 2005 Openedhand Ltd. */ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/kernel.h> #include <linux/clk.h> #include <linux/timer.h> #include <linux/interrupt.h> #include <linux/platform_device.h> #include <linux/of.h> #include <linux/atmel-ssc.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> #include "../codecs/wm8731.h" #include "atmel-pcm.h" #include "atmel_ssc_dai.h" #define MCLK_RATE … /* * As shipped the board does not have inputs. However, it is relatively * straightforward to modify the board to hook them up so support is left * in the driver. */ #undef ENABLE_MIC_INPUT static const struct snd_soc_dapm_widget at91sam9g20ek_dapm_widgets[] = …; static const struct snd_soc_dapm_route intercon[] = …; /* * Logic for a wm8731 as connected on a at91sam9g20ek board. */ static int at91sam9g20ek_wm8731_init(struct snd_soc_pcm_runtime *rtd) { … } SND_SOC_DAILINK_DEFS(…); static struct snd_soc_dai_link at91sam9g20ek_dai = …; static struct snd_soc_card snd_soc_at91sam9g20ek = …; static int at91sam9g20ek_audio_probe(struct platform_device *pdev) { … } static void at91sam9g20ek_audio_remove(struct platform_device *pdev) { … } #ifdef CONFIG_OF static const struct of_device_id at91sam9g20ek_wm8731_dt_ids[] = …; MODULE_DEVICE_TABLE(of, at91sam9g20ek_wm8731_dt_ids); #endif static struct platform_driver at91sam9g20ek_audio_driver = …; module_platform_driver(…) …; /* Module information */ MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_ALIAS(…) …; MODULE_LICENSE(…) …;
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