sound/pci/hda/local.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  */
   4
   5 #ifndef __HDAC_LOCAL_H
   6 #define __HDAC_LOCAL_H
   7
   8 int hdac_read_parm(struct hdac_device *codec, hda_nid_t nid, int parm);
   9
  10 #define get_wcaps(codec, nid) \
  11         hdac_read_parm(codec, nid, AC_PAR_AUDIO_WIDGET_CAP)
  12 /* get the widget type from widget capability bits */
  13 static inline int get_wcaps_type(unsigned int wcaps)
  14 {
  15         if (!wcaps)
  16                 return -1; /* invalid type */
  17         return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
  18 }
  19
  20 #define get_pin_caps(codec, nid) \
  21         hdac_read_parm(codec, nid, AC_PAR_PIN_CAP)
  22
  23 static inline
  24 unsigned int get_pin_cfg(struct hdac_device *codec, hda_nid_t nid)
  25 {
  26         unsigned int val;
  27
  28         if (snd_hdac_read(codec, nid, AC_VERB_GET_CONFIG_DEFAULT, 0, &val))
  29                 return -1;
  30         return val;
  31 }
  32
  33 #define get_amp_caps(codec, nid, dir) \
  34         hdac_read_parm(codec, nid, (dir) == HDA_OUTPUT ? \
  35                        AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP)
  36
  37 #define get_power_caps(codec, nid) \
  38         hdac_read_parm(codec, nid, AC_PAR_POWER_STATE)
  39
  40 #endif /* __HDAC_LOCAL_H */