1
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_io_ops *io_ops,
10 const struct hdac_ext_bus_ops *ext_ops);
11
12void snd_hdac_ext_bus_exit(struct hdac_bus *bus);
13int snd_hdac_ext_bus_device_init(struct hdac_bus *bus, int addr,
14 struct hdac_device *hdev);
15void snd_hdac_ext_bus_device_exit(struct hdac_device *hdev);
16void snd_hdac_ext_bus_device_remove(struct hdac_bus *bus);
17
18#define HDA_CODEC_REV_EXT_ENTRY(_vid, _rev, _name, drv_data) \
19 { .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \
20 .api_version = HDA_DEV_ASOC, \
21 .driver_data = (unsigned long)(drv_data) }
22#define HDA_CODEC_EXT_ENTRY(_vid, _revid, _name, _drv_data) \
23 HDA_CODEC_REV_EXT_ENTRY(_vid, _revid, _name, _drv_data)
24
25void snd_hdac_ext_bus_ppcap_enable(struct hdac_bus *chip, bool enable);
26void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_bus *chip, bool enable);
27
28void snd_hdac_ext_stream_spbcap_enable(struct hdac_bus *chip,
29 bool enable, int index);
30
31int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_bus *bus);
32struct hdac_ext_link *snd_hdac_ext_bus_get_link(struct hdac_bus *bus,
33 const char *codec_name);
34
35enum hdac_ext_stream_type {
36 HDAC_EXT_STREAM_TYPE_COUPLED = 0,
37 HDAC_EXT_STREAM_TYPE_HOST,
38 HDAC_EXT_STREAM_TYPE_LINK
39};
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57struct hdac_ext_stream {
58 struct hdac_stream hstream;
59
60 void __iomem *pphc_addr;
61 void __iomem *pplc_addr;
62
63 void __iomem *spib_addr;
64 void __iomem *fifo_addr;
65
66 void __iomem *dpibr_addr;
67
68 u32 dpib;
69 u32 lpib;
70 bool decoupled:1;
71 bool link_locked:1;
72 bool link_prepared;
73
74 struct snd_pcm_substream *link_substream;
75};
76
77#define hdac_stream(s) (&(s)->hstream)
78#define stream_to_hdac_ext_stream(s) \
79 container_of(s, struct hdac_ext_stream, hstream)
80
81void snd_hdac_ext_stream_init(struct hdac_bus *bus,
82 struct hdac_ext_stream *stream, int idx,
83 int direction, int tag);
84int snd_hdac_ext_stream_init_all(struct hdac_bus *bus, int start_idx,
85 int num_stream, int dir);
86void snd_hdac_stream_free_all(struct hdac_bus *bus);
87void snd_hdac_link_free_all(struct hdac_bus *bus);
88struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_bus *bus,
89 struct snd_pcm_substream *substream,
90 int type);
91void snd_hdac_ext_stream_release(struct hdac_ext_stream *azx_dev, int type);
92void snd_hdac_ext_stream_decouple(struct hdac_bus *bus,
93 struct hdac_ext_stream *azx_dev, bool decouple);
94void snd_hdac_ext_stop_streams(struct hdac_bus *bus);
95
96int snd_hdac_ext_stream_set_spib(struct hdac_bus *bus,
97 struct hdac_ext_stream *stream, u32 value);
98int snd_hdac_ext_stream_get_spbmaxfifo(struct hdac_bus *bus,
99 struct hdac_ext_stream *stream);
100void snd_hdac_ext_stream_drsm_enable(struct hdac_bus *bus,
101 bool enable, int index);
102int snd_hdac_ext_stream_set_dpibr(struct hdac_bus *bus,
103 struct hdac_ext_stream *stream, u32 value);
104int snd_hdac_ext_stream_set_lpib(struct hdac_ext_stream *stream, u32 value);
105
106void snd_hdac_ext_link_stream_start(struct hdac_ext_stream *hstream);
107void snd_hdac_ext_link_stream_clear(struct hdac_ext_stream *hstream);
108void snd_hdac_ext_link_stream_reset(struct hdac_ext_stream *hstream);
109int snd_hdac_ext_link_stream_setup(struct hdac_ext_stream *stream, int fmt);
110
111struct hdac_ext_link {
112 struct hdac_bus *bus;
113 int index;
114 void __iomem *ml_addr;
115 u32 lcaps;
116 u16 lsdiid;
117
118 int ref_count;
119
120 struct list_head list;
121};
122
123int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *link);
124int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *link);
125int snd_hdac_ext_bus_link_power_up_all(struct hdac_bus *bus);
126int snd_hdac_ext_bus_link_power_down_all(struct hdac_bus *bus);
127void snd_hdac_ext_link_set_stream_id(struct hdac_ext_link *link,
128 int stream);
129void snd_hdac_ext_link_clear_stream_id(struct hdac_ext_link *link,
130 int stream);
131
132int snd_hdac_ext_bus_link_get(struct hdac_bus *bus, struct hdac_ext_link *link);
133int snd_hdac_ext_bus_link_put(struct hdac_bus *bus, struct hdac_ext_link *link);
134
135
136#define snd_hdac_updatel(addr, reg, mask, val) \
137 writel(((readl(addr + reg) & ~(mask)) | (val)), \
138 addr + reg)
139
140#define snd_hdac_updatew(addr, reg, mask, val) \
141 writew(((readw(addr + reg) & ~(mask)) | (val)), \
142 addr + reg)
143
144
145struct hdac_ext_device;
146
147
148struct hdac_ext_codec_ops {
149 int (*build_controls)(struct hdac_ext_device *dev);
150 int (*init)(struct hdac_ext_device *dev);
151 void (*free)(struct hdac_ext_device *dev);
152};
153
154struct hda_dai_map {
155 char *dai_name;
156 hda_nid_t nid;
157 u32 maxbps;
158};
159
160struct hdac_ext_dma_params {
161 u32 format;
162 u8 stream_tag;
163};
164
165int snd_hda_ext_driver_register(struct hdac_driver *drv);
166void snd_hda_ext_driver_unregister(struct hdac_driver *drv);
167
168#endif
169
