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
sigmadsp_write_regmap(void * control_data,unsigned int addr,const uint8_t data[],size_t len)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
sigmadsp_read_regmap(void * control_data,unsigned int addr,uint8_t data[],size_t len)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 */
devm_sigmadsp_init_regmap(struct device * dev,struct regmap * regmap,const struct sigmadsp_ops * ops,const char * firmware_name)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