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