// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2012-2013, Analog Devices Inc. * Author: Lars-Peter Clausen <[email protected]> */ #include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/of.h> #include <linux/clk.h> #include <linux/regmap.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> #include <sound/initval.h> #include <sound/dmaengine_pcm.h> #define AXI_SPDIF_REG_CTRL … #define AXI_SPDIF_REG_STAT … #define AXI_SPDIF_REG_TX_FIFO … #define AXI_SPDIF_CTRL_TXDATA … #define AXI_SPDIF_CTRL_TXEN … #define AXI_SPDIF_CTRL_CLKDIV_OFFSET … #define AXI_SPDIF_CTRL_CLKDIV_MASK … #define AXI_SPDIF_FREQ_44100 … #define AXI_SPDIF_FREQ_48000 … #define AXI_SPDIF_FREQ_32000 … #define AXI_SPDIF_FREQ_NA … struct axi_spdif { … }; static int axi_spdif_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { … } static int axi_spdif_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int axi_spdif_dai_probe(struct snd_soc_dai *dai) { … } static int axi_spdif_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { … } static void axi_spdif_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { … } static const struct snd_soc_dai_ops axi_spdif_dai_ops = …; static struct snd_soc_dai_driver axi_spdif_dai = …; static const struct snd_soc_component_driver axi_spdif_component = …; static const struct regmap_config axi_spdif_regmap_config = …; static int axi_spdif_probe(struct platform_device *pdev) { … } static void axi_spdif_dev_remove(struct platform_device *pdev) { … } static const struct of_device_id axi_spdif_of_match[] = …; MODULE_DEVICE_TABLE(of, axi_spdif_of_match); static struct platform_driver axi_spdif_driver = …; module_platform_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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