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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __SOUND_HDAUDIO_EXT_H
3#define __SOUND_HDAUDIO_EXT_H
4
5#include <sound/hdaudio.h>
6
7int snd_hdac_ext_bus_init(struct hdac_bus *bus, struct device *dev,
8 const struct hdac_bus_ops *ops,
9 const struct hdac_ext_bus_ops *ext_ops);
10
11void snd_hdac_ext_bus_exit(struct hdac_bus *bus);
12void snd_hdac_ext_bus_device_remove(struct hdac_bus *bus);
13
14#define HDA_CODEC_REV_EXT_ENTRY(_vid, _rev, _name, drv_data) \
15 { .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \
16 .api_version = HDA_DEV_ASOC, \
17 .driver_data = (unsigned long)(drv_data) }
18#define HDA_CODEC_EXT_ENTRY(_vid, _revid, _name, _drv_data) \
19 HDA_CODEC_REV_EXT_ENTRY(_vid, _revid, _name, _drv_data)
20
21void snd_hdac_ext_bus_ppcap_enable(struct hdac_bus *chip, bool enable);
22void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_bus *chip, bool enable);
23
24int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_bus *bus);
25struct hdac_ext_link *snd_hdac_ext_bus_get_hlink_by_id(struct hdac_bus *bus, u32 id);
26struct hdac_ext_link *snd_hdac_ext_bus_get_hlink_by_addr(struct hdac_bus *bus, int addr);
27struct hdac_ext_link *snd_hdac_ext_bus_get_hlink_by_name(struct hdac_bus *bus,
28 const char *codec_name);
29
30enum hdac_ext_stream_type {
31 HDAC_EXT_STREAM_TYPE_COUPLED = 0,
32 HDAC_EXT_STREAM_TYPE_HOST,
33 HDAC_EXT_STREAM_TYPE_LINK
34};
35
36/**
37 * hdac_ext_stream: HDAC extended stream for extended HDA caps
38 *
39 * @hstream: hdac_stream
40 * @pphc_addr: processing pipe host stream pointer
41 * @pplc_addr: processing pipe link stream pointer
42 * @decoupled: stream host and link is decoupled
43 * @link_locked: link is locked
44 * @link_prepared: link is prepared
45 * @link_substream: link substream
46 */
47struct hdac_ext_stream {
48 struct hdac_stream hstream;
49
50 void __iomem *pphc_addr;
51 void __iomem *pplc_addr;
52
53 u32 pphcllpl;
54 u32 pphcllpu;
55 u32 pphcldpl;
56 u32 pphcldpu;
57
58 u32 pplcllpl;
59 u32 pplcllpu;
60
61 bool decoupled:1;
62 bool link_locked:1;
63 bool link_prepared;
64
65 int (*host_setup)(struct hdac_stream *, bool);
66
67 struct snd_pcm_substream *link_substream;
68};
69
70#define hdac_stream(s) (&(s)->hstream)
71#define stream_to_hdac_ext_stream(s) \
72 container_of(s, struct hdac_ext_stream, hstream)
73
74int snd_hdac_ext_stream_init_all(struct hdac_bus *bus, int start_idx,
75 int num_stream, int dir);
76void snd_hdac_ext_stream_free_all(struct hdac_bus *bus);
77void snd_hdac_ext_link_free_all(struct hdac_bus *bus);
78struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_bus *bus,
79 struct snd_pcm_substream *substream,
80 int type);
81void snd_hdac_ext_stream_release(struct hdac_ext_stream *hext_stream, int type);
82struct hdac_ext_stream *snd_hdac_ext_cstream_assign(struct hdac_bus *bus,
83 struct snd_compr_stream *cstream);
84void snd_hdac_ext_stream_decouple_locked(struct hdac_bus *bus,
85 struct hdac_ext_stream *hext_stream, bool decouple);
86void snd_hdac_ext_stream_decouple(struct hdac_bus *bus,
87 struct hdac_ext_stream *azx_dev, bool decouple);
88
89void snd_hdac_ext_stream_start(struct hdac_ext_stream *hext_stream);
90void snd_hdac_ext_stream_clear(struct hdac_ext_stream *hext_stream);
91void snd_hdac_ext_stream_reset(struct hdac_ext_stream *hext_stream);
92int snd_hdac_ext_stream_setup(struct hdac_ext_stream *hext_stream, int fmt);
93int snd_hdac_ext_host_stream_setup(struct hdac_ext_stream *hext_stream, bool code_loading);
94
95struct hdac_ext_link {
96 struct hdac_bus *bus;
97 int index;
98 void __iomem *ml_addr; /* link output stream reg pointer */
99 u32 lcaps; /* link capablities */
100 u16 lsdiid; /* link sdi identifier */
101 u32 id;
102 u8 slcount;
103
104 int ref_count;
105
106 struct list_head list;
107};
108
109#define hdac_ext_link_alt(link) ((link)->lcaps & AZX_ML_HDA_LCAP_ALT)
110#define hdac_ext_link_ofls(link) ((link)->lcaps & AZX_ML_HDA_LCAP_OFLS)
111
112int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *hlink);
113int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *hlink);
114int snd_hdac_ext_bus_link_power_up_all(struct hdac_bus *bus);
115int snd_hdac_ext_bus_link_power_down_all(struct hdac_bus *bus);
116void snd_hdac_ext_bus_link_set_stream_id(struct hdac_ext_link *hlink,
117 int stream);
118void snd_hdac_ext_bus_link_clear_stream_id(struct hdac_ext_link *hlink,
119 int stream);
120
121int snd_hdac_ext_bus_link_get(struct hdac_bus *bus, struct hdac_ext_link *hlink);
122int snd_hdac_ext_bus_link_put(struct hdac_bus *bus, struct hdac_ext_link *hlink);
123
124void snd_hdac_ext_bus_link_power(struct hdac_device *codec, bool enable);
125
126struct hdac_ext_device;
127
128/* ops common to all codec drivers */
129struct hdac_ext_codec_ops {
130 int (*build_controls)(struct hdac_ext_device *dev);
131 int (*init)(struct hdac_ext_device *dev);
132 void (*free)(struct hdac_ext_device *dev);
133};
134
135struct hda_dai_map {
136 char *dai_name;
137 hda_nid_t nid;
138 u32 maxbps;
139};
140
141struct hdac_ext_dma_params {
142 u32 format;
143 u8 stream_tag;
144};
145
146int snd_hda_ext_driver_register(struct hdac_driver *drv);
147void snd_hda_ext_driver_unregister(struct hdac_driver *drv);
148
149#endif /* __SOUND_HDAUDIO_EXT_H */
150

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source code of linux/include/sound/hdaudio_ext.h