LXR linux/sound/soc/codecs/sigmadsp-regmap.c

   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
  14static 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
  21static 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 */
  39struct 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}
  55EXPORT_SYMBOL_GPL(devm_sigmadsp_init_regmap);
  56
  57MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
  58MODULE_DESCRIPTION("SigmaDSP regmap firmware loader");
  59MODULE_LICENSE("GPL");
  60