1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Load firmware files from Analog Devices SigmaStudio
5 * Copyright 2009-2011 Analog Devices Inc.
8 #ifndef __SIGMA_FIRMWARE_H__
9 #define __SIGMA_FIRMWARE_H__
11 #include <linux/device.h>
12 #include <linux/regmap.h>
13 #include <linux/list.h>
15 #include <sound/pcm.h>
18 struct snd_soc_component;
19 struct snd_pcm_substream;
22 int (*safeload)(struct sigmadsp *sigmadsp, unsigned int addr,
23 const uint8_t *data, size_t len);
27 const struct sigmadsp_ops *ops;
29 struct list_head ctrl_list;
30 struct list_head data_list;
32 struct snd_pcm_hw_constraint_list rate_constraints;
34 unsigned int current_samplerate;
35 struct snd_soc_component *component;
41 int (*write)(void *, unsigned int, const uint8_t *, size_t);
42 int (*read)(void *, unsigned int, uint8_t *, size_t);
45 struct sigmadsp *devm_sigmadsp_init(struct device *dev,
46 const struct sigmadsp_ops *ops, const char *firmware_name);
47 void sigmadsp_reset(struct sigmadsp *sigmadsp);
49 int sigmadsp_restrict_params(struct sigmadsp *sigmadsp,
50 struct snd_pcm_substream *substream);
54 struct sigmadsp *devm_sigmadsp_init_regmap(struct device *dev,
55 struct regmap *regmap, const struct sigmadsp_ops *ops,
56 const char *firmware_name);
57 struct sigmadsp *devm_sigmadsp_init_i2c(struct i2c_client *client,
58 const struct sigmadsp_ops *ops, const char *firmware_name);
60 int sigmadsp_attach(struct sigmadsp *sigmadsp,
61 struct snd_soc_component *component);
62 int sigmadsp_setup(struct sigmadsp *sigmadsp, unsigned int rate);
63 void sigmadsp_reset(struct sigmadsp *sigmadsp);