/* 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