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/container_of.h> 13 #include <linux/device.h> 14 #include <linux/gpio/consumer.h> 15 #include <linux/firmware/cirrus/cs_dsp.h> 16 #include <linux/firmware/cirrus/wmfw.h> 17 #include <linux/regulator/consumer.h> 18 #include <linux/workqueue.h> 19 #include <sound/cs35l56.h> 20 21 struct dentry; 22 23 struct cs35l56_hda { 24 struct cs35l56_base base; 25 struct hda_codec *codec; 26 struct work_struct dsp_work; 27 28 int index; 29 int num_amps; 30 const char *system_name; 31 const char *amp_name; 32 33 struct cs_dsp cs_dsp; 34 bool playing; 35 bool suspended; 36 u8 asp_tx_mask; 37 38 struct snd_kcontrol *posture_ctl; 39 struct snd_kcontrol *volume_ctl; 40 struct snd_kcontrol *mixer_ctl[4]; 41 42 #if IS_ENABLED(CONFIG_SND_DEBUG) 43 struct dentry *debugfs_root; 44 #endif 45 }; 46 47 static inline struct cs35l56_hda *cs35l56_hda_from_base(struct cs35l56_base *cs35l56_base) 48 { 49 return container_of(cs35l56_base, struct cs35l56_hda, base); 50 } 51 52 extern const struct dev_pm_ops cs35l56_hda_pm_ops; 53 54 int cs35l56_hda_common_probe(struct cs35l56_hda *cs35l56, int hid, int id); 55 void cs35l56_hda_remove(struct device *dev); 56 57 #endif /*__CS35L56_HDA_H__*/ 58