70 lines
1.4 KiB
C
70 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0
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*
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* CS35L41 ALSA HDA audio driver
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*
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* Copyright 2021 Cirrus Logic, Inc.
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*
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* Author: Lucas Tanure <tanureal@opensource.cirrus.com>
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*/
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#ifndef __CS35L41_HDA_H__
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#define __CS35L41_HDA_H__
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#include <linux/regulator/consumer.h>
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#include <linux/gpio/consumer.h>
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#include <linux/device.h>
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#include <sound/cs35l41.h>
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enum cs35l41_hda_spk_pos {
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CS35l41_LEFT,
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CS35l41_RIGHT,
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};
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enum cs35l41_hda_gpio_function {
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CS35L41_NOT_USED,
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CS35l41_VSPK_SWITCH,
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CS35L41_INTERRUPT,
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CS35l41_SYNC,
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};
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struct cs35l41_hda_reg_sequence {
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const struct reg_sequence *probe;
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unsigned int num_probe;
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const struct reg_sequence *open;
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unsigned int num_open;
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const struct reg_sequence *prepare;
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unsigned int num_prepare;
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const struct reg_sequence *cleanup;
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unsigned int num_cleanup;
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const struct reg_sequence *close;
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unsigned int num_close;
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};
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struct cs35l41_hda_hw_config {
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unsigned int spk_pos;
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unsigned int gpio1_func;
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unsigned int gpio2_func;
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int bst_ind;
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int bst_ipk;
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int bst_cap;
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};
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struct cs35l41_hda {
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struct device *dev;
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struct regmap *regmap;
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struct gpio_desc *reset_gpio;
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const struct cs35l41_hda_reg_sequence *reg_seq;
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int irq;
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int index;
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/* Don't put the AMP in reset of VSPK can not be turned off */
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bool vspk_always_on;
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};
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int cs35l41_hda_probe(struct device *dev, const char *device_name, int id, int irq,
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struct regmap *regmap);
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void cs35l41_hda_remove(struct device *dev);
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#endif /*__CS35L41_HDA_H__*/
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