1/*
 2 * Local helper macros and functions for HD-audio core drivers
 3 */
 4
 5#ifndef __HDAC_LOCAL_H
 6#define __HDAC_LOCAL_H
 7
 8#define get_wcaps(codec, nid) \
 9	snd_hdac_read_parm(codec, nid, AC_PAR_AUDIO_WIDGET_CAP)
10
11/* get the widget type from widget capability bits */
12static inline int get_wcaps_type(unsigned int wcaps)
13{
14	if (!wcaps)
15		return -1; /* invalid type */
16	return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
17}
18
19static inline unsigned int get_wcaps_channels(u32 wcaps)
20{
21	unsigned int chans;
22
23	chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
24	chans = (chans + 1) * 2;
25
26	return chans;
27}
28
29extern const struct attribute_group *hdac_dev_attr_groups[];
30int hda_widget_sysfs_init(struct hdac_device *codec);
 
 
31void hda_widget_sysfs_exit(struct hdac_device *codec);
 
 
 
 
 
 
 
 
 
 
32
33#endif /* __HDAC_LOCAL_H */

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