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Jeeja KPdfe66a12015-06-11 14:11:47 +05301#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
Jeeja KP0b00a562015-06-11 14:11:48 +053046void 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);
Jeeja KP0b00a562015-06-11 14:11:48 +053050struct hdac_ext_link *snd_hdac_ext_bus_get_link(struct hdac_ext_bus *bus,
51 const char *codec_name);
52
53enum hdac_ext_stream_type {
54 HDAC_EXT_STREAM_TYPE_COUPLED = 0,
55 HDAC_EXT_STREAM_TYPE_HOST,
56 HDAC_EXT_STREAM_TYPE_LINK
57};
58
Jeeja KPdf203a42015-06-11 14:11:49 +053059/**
60 * hdac_ext_stream: HDAC extended stream for extended HDA caps
61 *
62 * @hstream: hdac_stream
63 * @pphc_addr: processing pipe host stream pointer
64 * @pplc_addr: processing pipe link stream pointer
65 * @decoupled: stream host and link is decoupled
66 * @link_locked: link is locked
67 * @link_prepared: link is prepared
68 * link_substream: link substream
69 */
70struct hdac_ext_stream {
71 struct hdac_stream hstream;
72
73 void __iomem *pphc_addr;
74 void __iomem *pplc_addr;
75
76 bool decoupled:1;
77 bool link_locked:1;
78 bool link_prepared;
79
80 struct snd_pcm_substream *link_substream;
81};
82
83#define hdac_stream(s) (&(s)->hstream)
84#define stream_to_hdac_ext_stream(s) \
85 container_of(s, struct hdac_ext_stream, hstream)
86
87void snd_hdac_ext_stream_init(struct hdac_ext_bus *bus,
88 struct hdac_ext_stream *stream, int idx,
89 int direction, int tag);
Vinod Koule7a34842015-06-17 11:20:16 +053090int snd_hdac_ext_stream_init_all(struct hdac_ext_bus *ebus, int start_idx,
91 int num_stream, int dir);
92void snd_hdac_stream_free_all(struct hdac_ext_bus *ebus);
Vinod Koulbab44452015-06-17 11:20:17 +053093void snd_hdac_link_free_all(struct hdac_ext_bus *ebus);
Jeeja KPdf203a42015-06-11 14:11:49 +053094struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_ext_bus *bus,
95 struct snd_pcm_substream *substream,
96 int type);
97void snd_hdac_ext_stream_release(struct hdac_ext_stream *azx_dev, int type);
98void snd_hdac_ext_stream_decouple(struct hdac_ext_bus *bus,
99 struct hdac_ext_stream *azx_dev, bool decouple);
100void snd_hdac_ext_stop_streams(struct hdac_ext_bus *sbus);
101
102void snd_hdac_ext_link_stream_start(struct hdac_ext_stream *hstream);
103void snd_hdac_ext_link_stream_clear(struct hdac_ext_stream *hstream);
104void snd_hdac_ext_link_stream_reset(struct hdac_ext_stream *hstream);
105int snd_hdac_ext_link_stream_setup(struct hdac_ext_stream *stream, int fmt);
106
Jeeja KP0b00a562015-06-11 14:11:48 +0530107struct hdac_ext_link {
108 struct hdac_bus *bus;
109 int index;
110 void __iomem *ml_addr; /* link output stream reg pointer */
111 u32 lcaps; /* link capablities */
112 u16 lsdiid; /* link sdi identifier */
113 struct list_head list;
114};
115
116int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *link);
117int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *link);
118void snd_hdac_ext_link_set_stream_id(struct hdac_ext_link *link,
119 int stream);
120void snd_hdac_ext_link_clear_stream_id(struct hdac_ext_link *link,
121 int stream);
122
123/* update register macro */
124#define snd_hdac_updatel(addr, reg, mask, val) \
125 writel(((readl(addr + reg) & ~(mask)) | (val)), \
126 addr + reg)
127
Jeeja KPdf203a42015-06-11 14:11:49 +0530128#define snd_hdac_updatew(addr, reg, mask, val) \
129 writew(((readw(addr + reg) & ~(mask)) | (val)), \
130 addr + reg)
131
Jeeja KPdfe66a12015-06-11 14:11:47 +0530132#endif /* __SOUND_HDAUDIO_EXT_H */