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