/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
/*
* Copyright (c) 2018 BayLibre, SAS.
* Author: Jerome Brunet <jbrunet@baylibre.com>
*/
#ifndef _MESON_AXG_FIFO_H
#define _MESON_AXG_FIFO_H
struct clk;
struct platform_device;
struct reg_field;
struct regmap;
struct regmap_field;
struct reset_control;
struct snd_soc_component_driver;
struct snd_soc_dai;
struct snd_soc_dai_driver;
struct snd_soc_pcm_runtime;
#define AXG_FIFO_CH_MAX 128
#define AXG_FIFO_FORMATS (SNDRV_PCM_FMTBIT_S8 | \
SNDRV_PCM_FMTBIT_S16_LE | \
SNDRV_PCM_FMTBIT_S20_LE | \
SNDRV_PCM_FMTBIT_S24_LE | \
SNDRV_PCM_FMTBIT_S32_LE | \
SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE)
#define AXG_FIFO_BURST 8
#define FIFO_INT_ADDR_FINISH BIT(0 )
#define FIFO_INT_ADDR_INT BIT(1 )
#define FIFO_INT_COUNT_REPEAT BIT(2 )
#define FIFO_INT_COUNT_ONCE BIT(3 )
#define FIFO_INT_FIFO_ZERO BIT(4 )
#define FIFO_INT_FIFO_DEPTH BIT(5 )
#define FIFO_INT_MASK GENMASK(7 , 0 )
#define FIFO_CTRL0 0 x00
#define CTRL0_DMA_EN BIT(31 )
#define CTRL0_INT_EN GENMASK(23 , 16 )
#define CTRL0_SEL_MASK GENMASK(2 , 0 )
#define CTRL0_SEL_SHIFT 0
#define FIFO_CTRL1 0 x04
#define CTRL1_INT_CLR GENMASK(7 , 0 )
#define CTRL1_STATUS2_SEL GENMASK(11 , 8 )
#define STATUS2_SEL_DDR_READ 0
#define CTRL1_FRDDR_DEPTH GENMASK(31 , 24 )
#define FIFO_START_ADDR 0 x08
#define FIFO_FINISH_ADDR 0 x0c
#define FIFO_INT_ADDR 0 x10
#define FIFO_STATUS1 0 x14
#define STATUS1_INT_STS GENMASK(7 , 0 )
#define FIFO_STATUS2 0 x18
#define FIFO_INIT_ADDR 0 x24
#define FIFO_CTRL2 0 x28
struct axg_fifo {
struct regmap *map;
struct clk *pclk;
struct reset_control *arb;
struct regmap_field *field_threshold;
unsigned int depth;
int irq;
};
struct axg_fifo_match_data {
const struct snd_soc_component_driver *component_drv;
struct snd_soc_dai_driver *dai_drv;
struct reg_field field_threshold;
};
int axg_fifo_pcm_open(struct snd_soc_component *component,
struct snd_pcm_substream *ss);
int axg_fifo_pcm_close(struct snd_soc_component *component,
struct snd_pcm_substream *ss);
int axg_fifo_pcm_hw_params(struct snd_soc_component *component,
struct snd_pcm_substream *ss,
struct snd_pcm_hw_params *params);
int g12a_fifo_pcm_hw_params(struct snd_soc_component *component,
struct snd_pcm_substream *ss,
struct snd_pcm_hw_params *params);
int axg_fifo_pcm_hw_free(struct snd_soc_component *component,
struct snd_pcm_substream *ss);
snd_pcm_uframes_t axg_fifo_pcm_pointer(struct snd_soc_component *component,
struct snd_pcm_substream *ss);
int axg_fifo_pcm_trigger(struct snd_soc_component *component,
struct snd_pcm_substream *ss, int cmd);
int axg_fifo_pcm_new(struct snd_soc_pcm_runtime *rtd, unsigned int type);
int axg_fifo_probe(struct platform_device *pdev);
#endif /* _MESON_AXG_FIFO_H */
Messung V0.5 in Prozent C=97 H=95 G=95
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-07)
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