mirror of https://gitee.com/openkylin/linux.git
67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/*
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* Load firmware files from Analog Devices SigmaStudio
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*
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* Copyright 2009-2011 Analog Devices Inc.
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*
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* Licensed under the GPL-2 or later.
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*/
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#ifndef __SIGMA_FIRMWARE_H__
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#define __SIGMA_FIRMWARE_H__
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#include <linux/device.h>
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#include <linux/regmap.h>
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#include <linux/list.h>
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#include <sound/pcm.h>
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struct sigmadsp;
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struct snd_soc_component;
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struct snd_pcm_substream;
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struct sigmadsp_ops {
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int (*safeload)(struct sigmadsp *sigmadsp, unsigned int addr,
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const uint8_t *data, size_t len);
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};
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struct sigmadsp {
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const struct sigmadsp_ops *ops;
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struct list_head ctrl_list;
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struct list_head data_list;
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struct snd_pcm_hw_constraint_list rate_constraints;
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unsigned int current_samplerate;
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struct snd_soc_component *component;
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struct device *dev;
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struct mutex lock;
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void *control_data;
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int (*write)(void *, unsigned int, const uint8_t *, size_t);
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int (*read)(void *, unsigned int, uint8_t *, size_t);
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};
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struct sigmadsp *devm_sigmadsp_init(struct device *dev,
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const struct sigmadsp_ops *ops, const char *firmware_name);
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void sigmadsp_reset(struct sigmadsp *sigmadsp);
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int sigmadsp_restrict_params(struct sigmadsp *sigmadsp,
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struct snd_pcm_substream *substream);
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struct i2c_client;
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struct sigmadsp *devm_sigmadsp_init_regmap(struct device *dev,
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struct regmap *regmap, const struct sigmadsp_ops *ops,
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const char *firmware_name);
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struct sigmadsp *devm_sigmadsp_init_i2c(struct i2c_client *client,
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const struct sigmadsp_ops *ops, const char *firmware_name);
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int sigmadsp_attach(struct sigmadsp *sigmadsp,
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struct snd_soc_component *component);
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int sigmadsp_setup(struct sigmadsp *sigmadsp, unsigned int rate);
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void sigmadsp_reset(struct sigmadsp *sigmadsp);
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#endif
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