// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2010, Lars-Peter Clausen <[email protected]> */ #include <linux/bitfield.h> #include <linux/clk.h> #include <linux/delay.h> #include <linux/dma-mapping.h> #include <linux/init.h> #include <linux/io.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/mod_devicetable.h> #include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/slab.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 JZ_REG_AIC_CONF … #define JZ_REG_AIC_CTRL … #define JZ_REG_AIC_I2S_FMT … #define JZ_REG_AIC_FIFO_STATUS … #define JZ_REG_AIC_I2S_STATUS … #define JZ_REG_AIC_CLK_DIV … #define JZ_REG_AIC_FIFO … #define JZ_AIC_CONF_OVERFLOW_PLAY_LAST … #define JZ_AIC_CONF_INTERNAL_CODEC … #define JZ_AIC_CONF_I2S … #define JZ_AIC_CONF_RESET … #define JZ_AIC_CONF_BIT_CLK_MASTER … #define JZ_AIC_CONF_SYNC_CLK_MASTER … #define JZ_AIC_CONF_ENABLE … #define JZ_AIC_CTRL_OUTPUT_SAMPLE_SIZE … #define JZ_AIC_CTRL_INPUT_SAMPLE_SIZE … #define JZ_AIC_CTRL_ENABLE_RX_DMA … #define JZ_AIC_CTRL_ENABLE_TX_DMA … #define JZ_AIC_CTRL_MONO_TO_STEREO … #define JZ_AIC_CTRL_SWITCH_ENDIANNESS … #define JZ_AIC_CTRL_SIGNED_TO_UNSIGNED … #define JZ_AIC_CTRL_TFLUSH … #define JZ_AIC_CTRL_RFLUSH … #define JZ_AIC_CTRL_ENABLE_ROR_INT … #define JZ_AIC_CTRL_ENABLE_TUR_INT … #define JZ_AIC_CTRL_ENABLE_RFS_INT … #define JZ_AIC_CTRL_ENABLE_TFS_INT … #define JZ_AIC_CTRL_ENABLE_LOOPBACK … #define JZ_AIC_CTRL_ENABLE_PLAYBACK … #define JZ_AIC_CTRL_ENABLE_CAPTURE … #define JZ_AIC_I2S_FMT_DISABLE_BIT_CLK … #define JZ_AIC_I2S_FMT_DISABLE_BIT_ICLK … #define JZ_AIC_I2S_FMT_ENABLE_SYS_CLK … #define JZ_AIC_I2S_FMT_MSB … #define JZ_AIC_I2S_STATUS_BUSY … struct i2s_soc_info { … }; struct jz4740_i2s { … }; static int jz4740_i2s_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { … } static void jz4740_i2s_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { … } static int jz4740_i2s_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { … } static int jz4740_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { … } static int jz4740_i2s_get_i2sdiv(unsigned long mclk, unsigned long rate, unsigned long i2sdiv_max) { … } static int jz4740_i2s_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int jz4740_i2s_dai_probe(struct snd_soc_dai *dai) { … } static const struct snd_soc_dai_ops jz4740_i2s_dai_ops = …; #define JZ4740_I2S_FMTS … static struct snd_soc_dai_driver jz4740_i2s_dai = …; static const struct i2s_soc_info jz4740_i2s_soc_info = …; static const struct i2s_soc_info jz4760_i2s_soc_info = …; static const struct i2s_soc_info x1000_i2s_soc_info = …; static struct snd_soc_dai_driver jz4770_i2s_dai = …; static const struct i2s_soc_info jz4770_i2s_soc_info = …; static const struct i2s_soc_info jz4780_i2s_soc_info = …; static int jz4740_i2s_suspend(struct snd_soc_component *component) { … } static int jz4740_i2s_resume(struct snd_soc_component *component) { … } static int jz4740_i2s_probe(struct snd_soc_component *component) { … } static void jz4740_i2s_remove(struct snd_soc_component *component) { … } static const struct snd_soc_component_driver jz4740_i2s_component = …; static const struct of_device_id jz4740_of_matches[] = …; MODULE_DEVICE_TABLE(of, jz4740_of_matches); static int jz4740_i2s_init_regmap_fields(struct device *dev, struct jz4740_i2s *i2s) { … } static const struct regmap_config jz4740_i2s_regmap_config = …; static int jz4740_i2s_dev_probe(struct platform_device *pdev) { … } static struct platform_driver jz4740_i2s_driver = …; module_platform_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; MODULE_ALIAS(…) …;
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