sigmadsp.h (1660B)
1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * Load firmware files from Analog Devices SigmaStudio 4 * 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#endif