/* SPDX-License-Identifier: GPL-2.0 */

  /*
   * Local helper macros and functions for HD-audio core drivers
   */
  
  #ifndef __HDAC_LOCAL_H
  #define __HDAC_LOCAL_H
  
  #define get_wcaps(codec, nid) \
  	snd_hdac_read_parm(codec, nid, AC_PAR_AUDIO_WIDGET_CAP)
  
  /* get the widget type from widget capability bits */
  static inline int get_wcaps_type(unsigned int wcaps)
  {
  	if (!wcaps)
  		return -1; /* invalid type */
  	return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
  }

  static inline unsigned int get_wcaps_channels(u32 wcaps)
  {
  	unsigned int chans;
  
  	chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
  	chans = (chans + 1) * 2;
  
  	return chans;
  }

  extern const struct attribute_group *hdac_dev_attr_groups[];
  int hda_widget_sysfs_init(struct hdac_device *codec);

  int hda_widget_sysfs_reinit(struct hdac_device *codec, hda_nid_t start_nid,
  			    int num_nodes);

  void hda_widget_sysfs_exit(struct hdac_device *codec);

  int snd_hdac_bus_add_device(struct hdac_bus *bus, struct hdac_device *codec);
  void snd_hdac_bus_remove_device(struct hdac_bus *bus,
  				struct hdac_device *codec);

  int snd_hdac_exec_verb(struct hdac_device *codec, unsigned int cmd,
  		       unsigned int flags, unsigned int *res);

  #endif /* __HDAC_LOCAL_H */