80503b23b2
Based on 1 normalized pattern(s): licensed under the gpl 2 or later extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 82 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190524100845.150836982@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Load firmware files from Analog Devices SigmaStudio
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*
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* Copyright 2009-2011 Analog Devices Inc.
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*/
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#ifndef __SIGMA_FIRMWARE_H__
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#define __SIGMA_FIRMWARE_H__
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#include <linux/device.h>
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#include <linux/regmap.h>
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#include <linux/list.h>
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#include <sound/pcm.h>
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struct sigmadsp;
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struct snd_soc_component;
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struct snd_pcm_substream;
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struct sigmadsp_ops {
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int (*safeload)(struct sigmadsp *sigmadsp, unsigned int addr,
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const uint8_t *data, size_t len);
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};
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struct sigmadsp {
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const struct sigmadsp_ops *ops;
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struct list_head ctrl_list;
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struct list_head data_list;
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struct snd_pcm_hw_constraint_list rate_constraints;
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unsigned int current_samplerate;
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struct snd_soc_component *component;
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struct device *dev;
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struct mutex lock;
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void *control_data;
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int (*write)(void *, unsigned int, const uint8_t *, size_t);
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int (*read)(void *, unsigned int, uint8_t *, size_t);
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};
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struct sigmadsp *devm_sigmadsp_init(struct device *dev,
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const struct sigmadsp_ops *ops, const char *firmware_name);
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void sigmadsp_reset(struct sigmadsp *sigmadsp);
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int sigmadsp_restrict_params(struct sigmadsp *sigmadsp,
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struct snd_pcm_substream *substream);
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struct i2c_client;
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struct sigmadsp *devm_sigmadsp_init_regmap(struct device *dev,
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struct regmap *regmap, const struct sigmadsp_ops *ops,
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const char *firmware_name);
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struct sigmadsp *devm_sigmadsp_init_i2c(struct i2c_client *client,
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const struct sigmadsp_ops *ops, const char *firmware_name);
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int sigmadsp_attach(struct sigmadsp *sigmadsp,
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struct snd_soc_component *component);
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int sigmadsp_setup(struct sigmadsp *sigmadsp, unsigned int rate);
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void sigmadsp_reset(struct sigmadsp *sigmadsp);
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#endif
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