1/* 2 * Load firmware files from Analog Devices SigmaStudio 3 * 4 * Copyright 2009-2011 Analog Devices Inc. 5 * 6 * Licensed under the GPL-2 or later. 7 */ 8 9#ifndef __SIGMA_FIRMWARE_H__ 10#define __SIGMA_FIRMWARE_H__ 11 12#include <linux/device.h> 13#include <linux/regmap.h> 14#include <linux/list.h> 15 16#include <sound/pcm.h> 17 18struct sigmadsp; 19struct snd_soc_component; 20struct snd_pcm_substream; 21 22struct sigmadsp_ops { 23 int (*safeload)(struct sigmadsp *sigmadsp, unsigned int addr, 24 const uint8_t *data, size_t len); 25}; 26 27struct sigmadsp { 28 const struct sigmadsp_ops *ops; 29 30 struct list_head ctrl_list; 31 struct list_head data_list; 32 33 struct snd_pcm_hw_constraint_list rate_constraints; 34 35 unsigned int current_samplerate; 36 struct snd_soc_component *component; 37 struct device *dev; 38 39 struct mutex lock; 40 41 void *control_data; 42 int (*write)(void *, unsigned int, const uint8_t *, size_t); 43 int (*read)(void *, unsigned int, uint8_t *, size_t); 44}; 45 46struct sigmadsp *devm_sigmadsp_init(struct device *dev, 47 const struct sigmadsp_ops *ops, const char *firmware_name); 48void sigmadsp_reset(struct sigmadsp *sigmadsp); 49 50int sigmadsp_restrict_params(struct sigmadsp *sigmadsp, 51 struct snd_pcm_substream *substream); 52 53struct i2c_client; 54 55struct sigmadsp *devm_sigmadsp_init_regmap(struct device *dev, 56 struct regmap *regmap, const struct sigmadsp_ops *ops, 57 const char *firmware_name); 58struct sigmadsp *devm_sigmadsp_init_i2c(struct i2c_client *client, 59 const struct sigmadsp_ops *ops, const char *firmware_name); 60 61int sigmadsp_attach(struct sigmadsp *sigmadsp, 62 struct snd_soc_component *component); 63int sigmadsp_setup(struct sigmadsp *sigmadsp, unsigned int rate); 64void sigmadsp_reset(struct sigmadsp *sigmadsp); 65 66#endif 67