1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Load Analog Devices SigmaStudio firmware files
4  *
5  * Copyright 2009-2011 Analog Devices Inc.
6  */
7 
8 #include <linux/regmap.h>
9 #include <linux/export.h>
10 #include <linux/module.h>
11 
12 #include "sigmadsp.h"
13 
14 static int sigmadsp_write_regmap(void *control_data,
15 	unsigned int addr, const uint8_t data[], size_t len)
16 {
17 	return regmap_raw_write(control_data, addr,
18 		data, len);
19 }
20 
21 static int sigmadsp_read_regmap(void *control_data,
22 	unsigned int addr, uint8_t data[], size_t len)
23 {
24 	return regmap_raw_read(control_data, addr,
25 		data, len);
26 }
27 
28 /**
29  * devm_sigmadsp_init_regmap() - Initialize SigmaDSP instance
30  * @dev: The parent device
31  * @regmap: Regmap instance to use
32  * @ops: The sigmadsp_ops to use for this instance
33  * @firmware_name: Name of the firmware file to load
34  *
35  * Allocates a SigmaDSP instance and loads the specified firmware file.
36  *
37  * Returns a pointer to a struct sigmadsp on success, or a PTR_ERR() on error.
38  */
39 struct sigmadsp *devm_sigmadsp_init_regmap(struct device *dev,
40 	struct regmap *regmap, const struct sigmadsp_ops *ops,
41 	const char *firmware_name)
42 {
43 	struct sigmadsp *sigmadsp;
44 
45 	sigmadsp = devm_sigmadsp_init(dev, ops, firmware_name);
46 	if (IS_ERR(sigmadsp))
47 		return sigmadsp;
48 
49 	sigmadsp->control_data = regmap;
50 	sigmadsp->write = sigmadsp_write_regmap;
51 	sigmadsp->read = sigmadsp_read_regmap;
52 
53 	return sigmadsp;
54 }
55 EXPORT_SYMBOL_GPL(devm_sigmadsp_init_regmap);
56 
57 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
58 MODULE_DESCRIPTION("SigmaDSP regmap firmware loader");
59 MODULE_LICENSE("GPL");
60