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1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 * Load firmware files from Analog Devices SigmaStudio4 *5 * Copyright 2009-2011 Analog Devices Inc.6 */7 8#ifndef __SIGMA_FIRMWARE_H__9#define __SIGMA_FIRMWARE_H__10 11#include <linux/device.h>12#include <linux/regmap.h>13#include <linux/list.h>14 15#include <sound/pcm.h>16 17struct sigmadsp;18struct snd_soc_component;19struct snd_pcm_substream;20 21struct sigmadsp_ops {22 int (*safeload)(struct sigmadsp *sigmadsp, unsigned int addr,23 const uint8_t *data, size_t len);24};25 26struct sigmadsp {27 const struct sigmadsp_ops *ops;28 29 struct list_head ctrl_list;30 struct list_head data_list;31 32 struct snd_pcm_hw_constraint_list rate_constraints;33 34 unsigned int current_samplerate;35 struct snd_soc_component *component;36 struct device *dev;37 38 struct mutex lock;39 40 void *control_data;41 int (*write)(void *, unsigned int, const uint8_t *, size_t);42 int (*read)(void *, unsigned int, uint8_t *, size_t);43};44 45struct sigmadsp *devm_sigmadsp_init(struct device *dev,46 const struct sigmadsp_ops *ops, const char *firmware_name);47 48int sigmadsp_restrict_params(struct sigmadsp *sigmadsp,49 struct snd_pcm_substream *substream);50 51struct i2c_client;52 53struct sigmadsp *devm_sigmadsp_init_regmap(struct device *dev,54 struct regmap *regmap, const struct sigmadsp_ops *ops,55 const char *firmware_name);56struct sigmadsp *devm_sigmadsp_init_i2c(struct i2c_client *client,57 const struct sigmadsp_ops *ops, const char *firmware_name);58 59int sigmadsp_attach(struct sigmadsp *sigmadsp,60 struct snd_soc_component *component);61int sigmadsp_setup(struct sigmadsp *sigmadsp, unsigned int samplerate);62void sigmadsp_reset(struct sigmadsp *sigmadsp);63 64#endif65