1 /*
2  * Load Analog Devices SigmaStudio firmware files
3  *
4  * Copyright 2009-2011 Analog Devices Inc.
5  *
6  * Licensed under the GPL-2 or later.
7  */
8 
9 #include <linux/regmap.h>
10 #include <linux/export.h>
11 #include <linux/module.h>
12 
13 #include "sigmadsp.h"
14 
15 static int sigmadsp_write_regmap(void *control_data,
16 	unsigned int addr, const uint8_t data[], size_t len)
17 {
18 	return regmap_raw_write(control_data, addr,
19 		data, len);
20 }
21 
22 static int sigmadsp_read_regmap(void *control_data,
23 	unsigned int addr, uint8_t data[], size_t len)
24 {
25 	return regmap_raw_read(control_data, addr,
26 		data, len);
27 }
28 
29 /**
30  * devm_sigmadsp_init_i2c() - Initialize SigmaDSP instance
31  * @dev: The parent device
32  * @regmap: Regmap instance to use
33  * @ops: The sigmadsp_ops to use for this instance
34  * @firmware_name: Name of the firmware file to load
35  *
36  * Allocates a SigmaDSP instance and loads the specified firmware file.
37  *
38  * Returns a pointer to a struct sigmadsp on success, or a PTR_ERR() on error.
39  */
40 struct sigmadsp *devm_sigmadsp_init_regmap(struct device *dev,
41 	struct regmap *regmap, const struct sigmadsp_ops *ops,
42 	const char *firmware_name)
43 {
44 	struct sigmadsp *sigmadsp;
45 
46 	sigmadsp = devm_sigmadsp_init(dev, ops, firmware_name);
47 	if (IS_ERR(sigmadsp))
48 		return sigmadsp;
49 
50 	sigmadsp->control_data = regmap;
51 	sigmadsp->write = sigmadsp_write_regmap;
52 	sigmadsp->read = sigmadsp_read_regmap;
53 
54 	return sigmadsp;
55 }
56 EXPORT_SYMBOL_GPL(devm_sigmadsp_init_regmap);
57 
58 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
59 MODULE_DESCRIPTION("SigmaDSP regmap firmware loader");
60 MODULE_LICENSE("GPL");
61