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- /* SPDX-License-Identifier: GPL-2.0-or-later */
- /*
- * Load firmware files from Analog Devices SigmaStudio
- *
- * Copyright 2009-2011 Analog Devices Inc.
- */
- #ifndef __SIGMA_FIRMWARE_H__
- #define __SIGMA_FIRMWARE_H__
- #include <linux/device.h>
- #include <linux/regmap.h>
- #include <linux/list.h>
- #include <sound/pcm.h>
- struct sigmadsp;
- struct snd_soc_component;
- struct snd_pcm_substream;
- struct sigmadsp_ops {
- int (*safeload)(struct sigmadsp *sigmadsp, unsigned int addr,
- const uint8_t *data, size_t len);
- };
- struct sigmadsp {
- const struct sigmadsp_ops *ops;
- struct list_head ctrl_list;
- struct list_head data_list;
- struct snd_pcm_hw_constraint_list rate_constraints;
- unsigned int current_samplerate;
- struct snd_soc_component *component;
- struct device *dev;
- struct mutex lock;
- void *control_data;
- int (*write)(void *, unsigned int, const uint8_t *, size_t);
- int (*read)(void *, unsigned int, uint8_t *, size_t);
- };
- struct sigmadsp *devm_sigmadsp_init(struct device *dev,
- const struct sigmadsp_ops *ops, const char *firmware_name);
- void sigmadsp_reset(struct sigmadsp *sigmadsp);
- int sigmadsp_restrict_params(struct sigmadsp *sigmadsp,
- struct snd_pcm_substream *substream);
- struct i2c_client;
- struct sigmadsp *devm_sigmadsp_init_regmap(struct device *dev,
- struct regmap *regmap, const struct sigmadsp_ops *ops,
- const char *firmware_name);
- struct sigmadsp *devm_sigmadsp_init_i2c(struct i2c_client *client,
- const struct sigmadsp_ops *ops, const char *firmware_name);
- int sigmadsp_attach(struct sigmadsp *sigmadsp,
- struct snd_soc_component *component);
- int sigmadsp_setup(struct sigmadsp *sigmadsp, unsigned int rate);
- void sigmadsp_reset(struct sigmadsp *sigmadsp);
- #endif
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