1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Local helper macros and functions for HD-audio core drivers
4*4882a593Smuzhiyun */
5*4882a593Smuzhiyun
6*4882a593Smuzhiyun #ifndef __HDAC_LOCAL_H
7*4882a593Smuzhiyun #define __HDAC_LOCAL_H
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #define get_wcaps(codec, nid) \
10*4882a593Smuzhiyun snd_hdac_read_parm(codec, nid, AC_PAR_AUDIO_WIDGET_CAP)
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun /* get the widget type from widget capability bits */
get_wcaps_type(unsigned int wcaps)13*4882a593Smuzhiyun static inline int get_wcaps_type(unsigned int wcaps)
14*4882a593Smuzhiyun {
15*4882a593Smuzhiyun if (!wcaps)
16*4882a593Smuzhiyun return -1; /* invalid type */
17*4882a593Smuzhiyun return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
18*4882a593Smuzhiyun }
19*4882a593Smuzhiyun
get_wcaps_channels(u32 wcaps)20*4882a593Smuzhiyun static inline unsigned int get_wcaps_channels(u32 wcaps)
21*4882a593Smuzhiyun {
22*4882a593Smuzhiyun unsigned int chans;
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
25*4882a593Smuzhiyun chans = (chans + 1) * 2;
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun return chans;
28*4882a593Smuzhiyun }
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun extern const struct attribute_group *hdac_dev_attr_groups[];
31*4882a593Smuzhiyun int hda_widget_sysfs_init(struct hdac_device *codec);
32*4882a593Smuzhiyun int hda_widget_sysfs_reinit(struct hdac_device *codec, hda_nid_t start_nid,
33*4882a593Smuzhiyun int num_nodes);
34*4882a593Smuzhiyun void hda_widget_sysfs_exit(struct hdac_device *codec);
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun int snd_hdac_bus_add_device(struct hdac_bus *bus, struct hdac_device *codec);
37*4882a593Smuzhiyun void snd_hdac_bus_remove_device(struct hdac_bus *bus,
38*4882a593Smuzhiyun struct hdac_device *codec);
39*4882a593Smuzhiyun void snd_hdac_bus_queue_event(struct hdac_bus *bus, u32 res, u32 res_ex);
40*4882a593Smuzhiyun int snd_hdac_bus_exec_verb(struct hdac_bus *bus, unsigned int addr,
41*4882a593Smuzhiyun unsigned int cmd, unsigned int *res);
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun int snd_hdac_exec_verb(struct hdac_device *codec, unsigned int cmd,
44*4882a593Smuzhiyun unsigned int flags, unsigned int *res);
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun #endif /* __HDAC_LOCAL_H */
47