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