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