1 /* SPDX-License-Identifier: GPL-2.0-only
2 *
3 * HDA audio driver for Cirrus Logic CS35L56 smart amp
4 *
5 * Copyright (C) 2023 Cirrus Logic, Inc. and
6 * Cirrus Logic International Semiconductor Ltd.
7 */
8
9 #ifndef __CS35L56_HDA_H__
10 #define __CS35L56_HDA_H__
11
12 #include <linux/device.h>
13 #include <linux/gpio/consumer.h>
14 #include <linux/firmware/cirrus/cs_dsp.h>
15 #include <linux/firmware/cirrus/wmfw.h>
16 #include <linux/regulator/consumer.h>
17 #include <linux/workqueue.h>
18 #include <sound/cs35l56.h>
19
20 struct dentry;
21
22 struct cs35l56_hda {
23 struct cs35l56_base base;
24 struct hda_codec *codec;
25 struct work_struct dsp_work;
26
27 int index;
28 const char *system_name;
29 const char *amp_name;
30
31 struct cs_dsp cs_dsp;
32 bool playing;
33 bool suspended;
34 u8 asp_tx_mask;
35
36 struct snd_kcontrol *posture_ctl;
37 struct snd_kcontrol *volume_ctl;
38 struct snd_kcontrol *mixer_ctl[4];
39
40 #if IS_ENABLED(CONFIG_SND_DEBUG)
41 struct dentry *debugfs_root;
42 #endif
43 };
44
45 extern const struct dev_pm_ops cs35l56_hda_pm_ops;
46
47 int cs35l56_hda_common_probe(struct cs35l56_hda *cs35l56, int hid, int id);
48 void cs35l56_hda_remove(struct device *dev);
49
50 #endif /*__CS35L56_HDA_H__*/
51
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