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ALSA: hdac_ext: add hdac extended controller
[mirror_ubuntu-focal-kernel.git] / include / sound / hdaudio_ext.h
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1#ifndef __SOUND_HDAUDIO_EXT_H
2#define __SOUND_HDAUDIO_EXT_H
3
4#include <sound/hdaudio.h>
5
6/**
7 * hdac_ext_bus: HDAC extended bus for extended HDA caps
8 *
9 * @bus: hdac bus
10 * @num_streams: streams supported
11 * @ppcap: pp capabilities pointer
12 * @spbcap: SPIB capabilities pointer
13 * @mlcap: MultiLink capabilities pointer
14 * @gtscap: gts capabilities pointer
15 * @hlink_list: link list of HDA links
16 */
17struct hdac_ext_bus {
18 struct hdac_bus bus;
19 int num_streams;
20 int idx;
21
22 void __iomem *ppcap;
23 void __iomem *spbcap;
24 void __iomem *mlcap;
25 void __iomem *gtscap;
26
27 struct list_head hlink_list;
28};
29
30int snd_hdac_ext_bus_init(struct hdac_ext_bus *sbus, struct device *dev,
31 const struct hdac_bus_ops *ops,
32 const struct hdac_io_ops *io_ops);
33
34void snd_hdac_ext_bus_exit(struct hdac_ext_bus *sbus);
35int snd_hdac_ext_bus_device_init(struct hdac_ext_bus *sbus, int addr);
36void snd_hdac_ext_bus_device_exit(struct hdac_device *hdev);
37
38#define ebus_to_hbus(ebus) (&(ebus)->bus)
39#define hbus_to_ebus(_bus) \
40 container_of(_bus, struct hdac_ext_bus, bus)
41
42int snd_hdac_ext_bus_parse_capabilities(struct hdac_ext_bus *sbus);
43void snd_hdac_ext_bus_ppcap_enable(struct hdac_ext_bus *chip, bool enable);
44void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_ext_bus *chip, bool enable);
45
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46void snd_hdac_ext_stream_spbcap_enable(struct hdac_ext_bus *chip,
47 bool enable, int index);
48
49int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_ext_bus *bus);
50int snd_hdac_ext_bus_map_codec_to_link(struct hdac_ext_bus *bus, int addr);
51struct hdac_ext_link *snd_hdac_ext_bus_get_link(struct hdac_ext_bus *bus,
52 const char *codec_name);
53
54enum hdac_ext_stream_type {
55 HDAC_EXT_STREAM_TYPE_COUPLED = 0,
56 HDAC_EXT_STREAM_TYPE_HOST,
57 HDAC_EXT_STREAM_TYPE_LINK
58};
59
60struct hdac_ext_link {
61 struct hdac_bus *bus;
62 int index;
63 void __iomem *ml_addr; /* link output stream reg pointer */
64 u32 lcaps; /* link capablities */
65 u16 lsdiid; /* link sdi identifier */
66 struct list_head list;
67};
68
69int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *link);
70int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *link);
71void snd_hdac_ext_link_set_stream_id(struct hdac_ext_link *link,
72 int stream);
73void snd_hdac_ext_link_clear_stream_id(struct hdac_ext_link *link,
74 int stream);
75
76/* update register macro */
77#define snd_hdac_updatel(addr, reg, mask, val) \
78 writel(((readl(addr + reg) & ~(mask)) | (val)), \
79 addr + reg)
80
dfe66a18 81#endif /* __SOUND_HDAUDIO_EXT_H */