linux - include/sound/hdaudio

149 lines · 4.8 KiB

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
7	int 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
11	void snd_hdac_ext_bus_exit(struct hdac_bus *bus);
12	void 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
21	void snd_hdac_ext_bus_ppcap_enable(struct hdac_bus *chip, bool enable);
22	void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_bus *chip, bool enable);
23
24	int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_bus *bus);
25	struct hdac_ext_link snd_hdac_ext_bus_get_hlink_by_id(struct hdac_bus bus, u32 id);
26	struct hdac_ext_link snd_hdac_ext_bus_get_hlink_by_addr(struct hdac_bus bus, int addr);
27	struct hdac_ext_link snd_hdac_ext_bus_get_hlink_by_name(struct hdac_bus bus,
28	const char *codec_name);
29
30	enum 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	*/
47	struct 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
74	int snd_hdac_ext_stream_init_all(struct hdac_bus *bus, int start_idx,
75	int num_stream, int dir);
76	void snd_hdac_ext_stream_free_all(struct hdac_bus *bus);
77	void snd_hdac_ext_link_free_all(struct hdac_bus *bus);
78	struct hdac_ext_stream snd_hdac_ext_stream_assign(struct hdac_bus bus,
79	struct snd_pcm_substream *substream,
80	int type);
81	void snd_hdac_ext_stream_release(struct hdac_ext_stream *hext_stream, int type);
82	struct hdac_ext_stream snd_hdac_ext_cstream_assign(struct hdac_bus bus,
83	struct snd_compr_stream *cstream);
84	void snd_hdac_ext_stream_decouple_locked(struct hdac_bus *bus,
85	struct hdac_ext_stream *hext_stream, bool decouple);
86	void snd_hdac_ext_stream_decouple(struct hdac_bus *bus,
87	struct hdac_ext_stream *azx_dev, bool decouple);
88
89	void snd_hdac_ext_stream_start(struct hdac_ext_stream *hext_stream);
90	void snd_hdac_ext_stream_clear(struct hdac_ext_stream *hext_stream);
91	void snd_hdac_ext_stream_reset(struct hdac_ext_stream *hext_stream);
92	int snd_hdac_ext_stream_setup(struct hdac_ext_stream *hext_stream, int fmt);
93	int snd_hdac_ext_host_stream_setup(struct hdac_ext_stream *hext_stream, bool code_loading);
94
95	struct 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
112	int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *hlink);
113	int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *hlink);
114	int snd_hdac_ext_bus_link_power_up_all(struct hdac_bus *bus);
115	int snd_hdac_ext_bus_link_power_down_all(struct hdac_bus *bus);
116	void snd_hdac_ext_bus_link_set_stream_id(struct hdac_ext_link *hlink,
117	int stream);
118	void snd_hdac_ext_bus_link_clear_stream_id(struct hdac_ext_link *hlink,
119	int stream);
120
121	int snd_hdac_ext_bus_link_get(struct hdac_bus bus, struct hdac_ext_link hlink);
122	int snd_hdac_ext_bus_link_put(struct hdac_bus bus, struct hdac_ext_link hlink);
123
124	void snd_hdac_ext_bus_link_power(struct hdac_device *codec, bool enable);
125
126	struct hdac_ext_device;
127
128	/* ops common to all codec drivers */
129	struct 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
135	struct hda_dai_map {
136	char *dai_name;
137	hda_nid_t nid;
138	u32 maxbps;
139	};
140
141	struct hdac_ext_dma_params {
142	u32 format;
143	u8 stream_tag;
144	};
145
146	int snd_hda_ext_driver_register(struct hdac_driver *drv);
147	void snd_hda_ext_driver_unregister(struct hdac_driver *drv);
148
149	#endif /* __SOUND_HDAUDIO_EXT_H */