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6b10998d LPC |
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 | ||
d48b088e LPC |
15 | static int sigmadsp_write_regmap(void *control_data, |
16 | unsigned int addr, const uint8_t data[], size_t len) | |
6b10998d | 17 | { |
d48b088e LPC |
18 | return regmap_raw_write(control_data, addr, |
19 | data, len); | |
6b10998d LPC |
20 | } |
21 | ||
a35daac7 LPC |
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 | ||
d48b088e LPC |
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) | |
6b10998d | 43 | { |
d48b088e LPC |
44 | struct sigmadsp *sigmadsp; |
45 | ||
46 | sigmadsp = devm_sigmadsp_init(dev, ops, firmware_name); | |
47 | if (IS_ERR(sigmadsp)) | |
48 | return sigmadsp; | |
6b10998d | 49 | |
d48b088e LPC |
50 | sigmadsp->control_data = regmap; |
51 | sigmadsp->write = sigmadsp_write_regmap; | |
a35daac7 | 52 | sigmadsp->read = sigmadsp_read_regmap; |
6b10998d | 53 | |
d48b088e | 54 | return sigmadsp; |
6b10998d | 55 | } |
d48b088e | 56 | EXPORT_SYMBOL_GPL(devm_sigmadsp_init_regmap); |
6b10998d LPC |
57 | |
58 | MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); | |
59 | MODULE_DESCRIPTION("SigmaDSP regmap firmware loader"); | |
60 | MODULE_LICENSE("GPL"); |