// SPDX-License-Identifier: GPL-2.0-or-later /* * ALSA SoC SPDIF Audio Layer * * Copyright 2015 Andrea Venturi <[email protected]> * Copyright 2015 Marcus Cooper <[email protected]> * * Based on the Allwinner SDK driver, released under the GPL. */ #include <linux/clk.h> #include <linux/delay.h> #include <linux/device.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/regmap.h> #include <linux/of.h> #include <linux/ioport.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/reset.h> #include <linux/spinlock.h> #include <sound/asoundef.h> #include <sound/dmaengine_pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> #define SUN4I_SPDIF_CTL … #define SUN4I_SPDIF_CTL_MCLKDIV(v) … #define SUN4I_SPDIF_CTL_MCLKOUTEN … #define SUN4I_SPDIF_CTL_GEN … #define SUN4I_SPDIF_CTL_RESET … #define SUN4I_SPDIF_TXCFG … #define SUN4I_SPDIF_TXCFG_SINGLEMOD … #define SUN4I_SPDIF_TXCFG_ASS … #define SUN4I_SPDIF_TXCFG_NONAUDIO … #define SUN4I_SPDIF_TXCFG_TXRATIO(v) … #define SUN4I_SPDIF_TXCFG_TXRATIO_MASK … #define SUN4I_SPDIF_TXCFG_FMTRVD … #define SUN4I_SPDIF_TXCFG_FMT16BIT … #define SUN4I_SPDIF_TXCFG_FMT20BIT … #define SUN4I_SPDIF_TXCFG_FMT24BIT … #define SUN4I_SPDIF_TXCFG_CHSTMODE … #define SUN4I_SPDIF_TXCFG_TXEN … #define SUN4I_SPDIF_RXCFG … #define SUN4I_SPDIF_RXCFG_LOCKFLAG … #define SUN4I_SPDIF_RXCFG_CHSTSRC … #define SUN4I_SPDIF_RXCFG_CHSTCP … #define SUN4I_SPDIF_RXCFG_RXEN … #define SUN4I_SPDIF_TXFIFO … #define SUN4I_SPDIF_RXFIFO … #define SUN4I_SPDIF_FCTL … #define SUN4I_SPDIF_FCTL_FIFOSRC … #define SUN4I_SPDIF_FCTL_FTX … #define SUN4I_SPDIF_FCTL_FRX … #define SUN4I_SPDIF_FCTL_TXTL(v) … #define SUN4I_SPDIF_FCTL_TXTL_MASK … #define SUN4I_SPDIF_FCTL_RXTL(v) … #define SUN4I_SPDIF_FCTL_RXTL_MASK … #define SUN4I_SPDIF_FCTL_TXIM … #define SUN4I_SPDIF_FCTL_RXOM(v) … #define SUN4I_SPDIF_FCTL_RXOM_MASK … #define SUN50I_H6_SPDIF_FCTL … #define SUN50I_H6_SPDIF_FCTL_HUB_EN … #define SUN50I_H6_SPDIF_FCTL_FTX … #define SUN50I_H6_SPDIF_FCTL_FRX … #define SUN50I_H6_SPDIF_FCTL_TXTL(v) … #define SUN50I_H6_SPDIF_FCTL_TXTL_MASK … #define SUN50I_H6_SPDIF_FCTL_RXTL(v) … #define SUN50I_H6_SPDIF_FCTL_RXTL_MASK … #define SUN50I_H6_SPDIF_FCTL_TXIM … #define SUN50I_H6_SPDIF_FCTL_RXOM(v) … #define SUN50I_H6_SPDIF_FCTL_RXOM_MASK … #define SUN4I_SPDIF_FSTA … #define SUN4I_SPDIF_FSTA_TXE … #define SUN4I_SPDIF_FSTA_TXECNTSHT … #define SUN4I_SPDIF_FSTA_RXA … #define SUN4I_SPDIF_FSTA_RXACNTSHT … #define SUN4I_SPDIF_INT … #define SUN4I_SPDIF_INT_RXLOCKEN … #define SUN4I_SPDIF_INT_RXUNLOCKEN … #define SUN4I_SPDIF_INT_RXPARERREN … #define SUN4I_SPDIF_INT_TXDRQEN … #define SUN4I_SPDIF_INT_TXUIEN … #define SUN4I_SPDIF_INT_TXOIEN … #define SUN4I_SPDIF_INT_TXEIEN … #define SUN4I_SPDIF_INT_RXDRQEN … #define SUN4I_SPDIF_INT_RXOIEN … #define SUN4I_SPDIF_INT_RXAIEN … #define SUN4I_SPDIF_ISTA … #define SUN4I_SPDIF_ISTA_RXLOCKSTA … #define SUN4I_SPDIF_ISTA_RXUNLOCKSTA … #define SUN4I_SPDIF_ISTA_RXPARERRSTA … #define SUN4I_SPDIF_ISTA_TXUSTA … #define SUN4I_SPDIF_ISTA_TXOSTA … #define SUN4I_SPDIF_ISTA_TXESTA … #define SUN4I_SPDIF_ISTA_RXOSTA … #define SUN4I_SPDIF_ISTA_RXASTA … #define SUN8I_SPDIF_TXFIFO … #define SUN4I_SPDIF_TXCNT … #define SUN4I_SPDIF_RXCNT … #define SUN4I_SPDIF_TXCHSTA0 … #define SUN4I_SPDIF_TXCHSTA0_CLK(v) … #define SUN4I_SPDIF_TXCHSTA0_SAMFREQ(v) … #define SUN4I_SPDIF_TXCHSTA0_SAMFREQ_MASK … #define SUN4I_SPDIF_TXCHSTA0_CHNUM(v) … #define SUN4I_SPDIF_TXCHSTA0_CHNUM_MASK … #define SUN4I_SPDIF_TXCHSTA0_SRCNUM(v) … #define SUN4I_SPDIF_TXCHSTA0_CATACOD(v) … #define SUN4I_SPDIF_TXCHSTA0_MODE(v) … #define SUN4I_SPDIF_TXCHSTA0_EMPHASIS(v) … #define SUN4I_SPDIF_TXCHSTA0_CP … #define SUN4I_SPDIF_TXCHSTA0_AUDIO … #define SUN4I_SPDIF_TXCHSTA0_PRO … #define SUN4I_SPDIF_TXCHSTA1 … #define SUN4I_SPDIF_TXCHSTA1_CGMSA(v) … #define SUN4I_SPDIF_TXCHSTA1_ORISAMFREQ(v) … #define SUN4I_SPDIF_TXCHSTA1_ORISAMFREQ_MASK … #define SUN4I_SPDIF_TXCHSTA1_SAMWORDLEN(v) … #define SUN4I_SPDIF_TXCHSTA1_MAXWORDLEN … #define SUN4I_SPDIF_RXCHSTA0 … #define SUN4I_SPDIF_RXCHSTA0_CLK(v) … #define SUN4I_SPDIF_RXCHSTA0_SAMFREQ(v) … #define SUN4I_SPDIF_RXCHSTA0_CHNUM(v) … #define SUN4I_SPDIF_RXCHSTA0_SRCNUM(v) … #define SUN4I_SPDIF_RXCHSTA0_CATACOD(v) … #define SUN4I_SPDIF_RXCHSTA0_MODE(v) … #define SUN4I_SPDIF_RXCHSTA0_EMPHASIS(v) … #define SUN4I_SPDIF_RXCHSTA0_CP … #define SUN4I_SPDIF_RXCHSTA0_AUDIO … #define SUN4I_SPDIF_RXCHSTA0_PRO … #define SUN4I_SPDIF_RXCHSTA1 … #define SUN4I_SPDIF_RXCHSTA1_CGMSA(v) … #define SUN4I_SPDIF_RXCHSTA1_ORISAMFREQ(v) … #define SUN4I_SPDIF_RXCHSTA1_SAMWORDLEN(v) … #define SUN4I_SPDIF_RXCHSTA1_MAXWORDLEN … /* Defines for Sampling Frequency */ #define SUN4I_SPDIF_SAMFREQ_44_1KHZ … #define SUN4I_SPDIF_SAMFREQ_NOT_INDICATED … #define SUN4I_SPDIF_SAMFREQ_48KHZ … #define SUN4I_SPDIF_SAMFREQ_32KHZ … #define SUN4I_SPDIF_SAMFREQ_22_05KHZ … #define SUN4I_SPDIF_SAMFREQ_24KHZ … #define SUN4I_SPDIF_SAMFREQ_88_2KHZ … #define SUN4I_SPDIF_SAMFREQ_76_8KHZ … #define SUN4I_SPDIF_SAMFREQ_96KHZ … #define SUN4I_SPDIF_SAMFREQ_176_4KHZ … #define SUN4I_SPDIF_SAMFREQ_192KHZ … /** * struct sun4i_spdif_quirks - Differences between SoC variants. * * @reg_dac_txdata: TX FIFO offset for DMA config. * @has_reset: SoC needs reset deasserted. * @val_fctl_ftx: TX FIFO flush bitmask. */ struct sun4i_spdif_quirks { … }; struct sun4i_spdif_dev { … }; static void sun4i_spdif_configure(struct sun4i_spdif_dev *host) { … } static void sun4i_snd_txctrl_on(struct snd_pcm_substream *substream, struct sun4i_spdif_dev *host) { … } static void sun4i_snd_txctrl_off(struct snd_pcm_substream *substream, struct sun4i_spdif_dev *host) { … } static int sun4i_spdif_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *cpu_dai) { … } static int sun4i_spdif_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *cpu_dai) { … } static int sun4i_spdif_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { … } static int sun4i_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { … } static int sun4i_spdif_get_status_mask(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int sun4i_spdif_get_status(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int sun4i_spdif_set_status(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static struct snd_kcontrol_new sun4i_spdif_controls[] = …; static int sun4i_spdif_soc_dai_probe(struct snd_soc_dai *dai) { … } static const struct snd_soc_dai_ops sun4i_spdif_dai_ops = …; static const struct regmap_config sun4i_spdif_regmap_config = …; #define SUN4I_RATES … #define SUN4I_FORMATS … static struct snd_soc_dai_driver sun4i_spdif_dai = …; static const struct sun4i_spdif_quirks sun4i_a10_spdif_quirks = …; static const struct sun4i_spdif_quirks sun6i_a31_spdif_quirks = …; static const struct sun4i_spdif_quirks sun8i_h3_spdif_quirks = …; static const struct sun4i_spdif_quirks sun50i_h6_spdif_quirks = …; static const struct of_device_id sun4i_spdif_of_match[] = …; MODULE_DEVICE_TABLE(of, sun4i_spdif_of_match); static const struct snd_soc_component_driver sun4i_spdif_component = …; static int sun4i_spdif_runtime_suspend(struct device *dev) { … } static int sun4i_spdif_runtime_resume(struct device *dev) { … } static int sun4i_spdif_probe(struct platform_device *pdev) { … } static void sun4i_spdif_remove(struct platform_device *pdev) { … } static const struct dev_pm_ops sun4i_spdif_pm = …; static struct platform_driver sun4i_spdif_driver = …; module_platform_driver(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; MODULE_ALIAS(…) …;
Codebase Browser
linux