1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
#ifndef __SOUND_HDAUDIO_EXT_H
#define __SOUND_HDAUDIO_EXT_H
#include <sound/hdaudio.h>
/**
* hdac_ext_bus: HDAC extended bus for extended HDA caps
*
* @bus: hdac bus
* @num_streams: streams supported
* @ppcap: pp capabilities pointer
* @spbcap: SPIB capabilities pointer
* @mlcap: MultiLink capabilities pointer
* @gtscap: gts capabilities pointer
* @drsmcap: dma resume capabilities pointer
* @hlink_list: link list of HDA links
*/
struct hdac_ext_bus {
struct hdac_bus bus;
int num_streams;
int idx;
void __iomem *ppcap;
void __iomem *spbcap;
void __iomem *mlcap;
void __iomem *gtscap;
void __iomem *drsmcap;
struct list_head hlink_list;
};
int snd_hdac_ext_bus_init(struct hdac_ext_bus *sbus, struct device *dev,
const struct hdac_bus_ops *ops,
const struct hdac_io_ops *io_ops);
void snd_hdac_ext_bus_exit(struct hdac_ext_bus *sbus);
int snd_hdac_ext_bus_device_init(struct hdac_ext_bus *sbus, int addr);
void snd_hdac_ext_bus_device_exit(struct hdac_device *hdev);
void snd_hdac_ext_bus_device_remove(struct hdac_ext_bus *ebus);
#define ebus_to_hbus(ebus) (&(ebus)->bus)
#define hbus_to_ebus(_bus) \
container_of(_bus, struct hdac_ext_bus, bus)
#define HDA_CODEC_REV_EXT_ENTRY(_vid, _rev, _name, drv_data) \
{ .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \
.api_version = HDA_DEV_ASOC, \
.driver_data = (unsigned long)(drv_data) }
#define HDA_CODEC_EXT_ENTRY(_vid, _revid, _name, _drv_data) \
HDA_CODEC_REV_EXT_ENTRY(_vid, _revid, _name, _drv_data)
int snd_hdac_ext_bus_parse_capabilities(struct hdac_ext_bus *sbus);
void snd_hdac_ext_bus_ppcap_enable(struct hdac_ext_bus *chip, bool enable);
void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_ext_bus *chip, bool enable);
void snd_hdac_ext_stream_spbcap_enable(struct hdac_ext_bus *chip,
bool enable, int index);
int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_ext_bus *bus);
struct hdac_ext_link *snd_hdac_ext_bus_get_link(struct hdac_ext_bus *bus,
const char *codec_name);
enum hdac_ext_stream_type {
HDAC_EXT_STREAM_TYPE_COUPLED = 0,
HDAC_EXT_STREAM_TYPE_HOST,
HDAC_EXT_STREAM_TYPE_LINK
};
/**
* hdac_ext_stream: HDAC extended stream for extended HDA caps
*
* @hstream: hdac_stream
* @pphc_addr: processing pipe host stream pointer
* @pplc_addr: processing pipe link stream pointer
* @spib_addr: software position in buffers stream pointer
* @fifo_addr: software position Max fifos stream pointer
* @dpibr_addr: DMA position in buffer resume pointer
* @dpib: DMA position in buffer
* @lpib: Linear position in buffer
* @decoupled: stream host and link is decoupled
* @link_locked: link is locked
* @link_prepared: link is prepared
* link_substream: link substream
*/
struct hdac_ext_stream {
struct hdac_stream hstream;
void __iomem *pphc_addr;
void __iomem *pplc_addr;
void __iomem *spib_addr;
void __iomem *fifo_addr;
void __iomem *dpibr_addr;
u32 dpib;
u32 lpib;
bool decoupled:1;
bool link_locked:1;
bool link_prepared;
struct snd_pcm_substream *link_substream;
};
#define hdac_stream(s) (&(s)->hstream)
#define stream_to_hdac_ext_stream(s) \
container_of(s, struct hdac_ext_stream, hstream)
void snd_hdac_ext_stream_init(struct hdac_ext_bus *bus,
struct hdac_ext_stream *stream, int idx,
int direction, int tag);
int snd_hdac_ext_stream_init_all(struct hdac_ext_bus *ebus, int start_idx,
int num_stream, int dir);
void snd_hdac_stream_free_all(struct hdac_ext_bus *ebus);
void snd_hdac_link_free_all(struct hdac_ext_bus *ebus);
struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_ext_bus *bus,
struct snd_pcm_substream *substream,
int type);
void snd_hdac_ext_stream_release(struct hdac_ext_stream *azx_dev, int type);
void snd_hdac_ext_stream_decouple(struct hdac_ext_bus *bus,
struct hdac_ext_stream *azx_dev, bool decouple);
void snd_hdac_ext_stop_streams(struct hdac_ext_bus *sbus);
int snd_hdac_ext_stream_set_spib(struct hdac_ext_bus *ebus,
struct hdac_ext_stream *stream, u32 value);
int snd_hdac_ext_stream_get_spbmaxfifo(struct hdac_ext_bus *ebus,
struct hdac_ext_stream *stream);
void snd_hdac_ext_stream_drsm_enable(struct hdac_ext_bus *ebus,
bool enable, int index);
int snd_hdac_ext_stream_set_dpibr(struct hdac_ext_bus *ebus,
struct hdac_ext_stream *stream, u32 value);
int snd_hdac_ext_stream_set_lpib(struct hdac_ext_stream *stream, u32 value);
void snd_hdac_ext_link_stream_start(struct hdac_ext_stream *hstream);
void snd_hdac_ext_link_stream_clear(struct hdac_ext_stream *hstream);
void snd_hdac_ext_link_stream_reset(struct hdac_ext_stream *hstream);
int snd_hdac_ext_link_stream_setup(struct hdac_ext_stream *stream, int fmt);
struct hdac_ext_link {
struct hdac_bus *bus;
int index;
void __iomem *ml_addr; /* link output stream reg pointer */
u32 lcaps; /* link capablities */
u16 lsdiid; /* link sdi identifier */
struct list_head list;
};
int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *link);
int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *link);
int snd_hdac_ext_bus_link_power_up_all(struct hdac_ext_bus *ebus);
int snd_hdac_ext_bus_link_power_down_all(struct hdac_ext_bus *ebus);
void snd_hdac_ext_link_set_stream_id(struct hdac_ext_link *link,
int stream);
void snd_hdac_ext_link_clear_stream_id(struct hdac_ext_link *link,
int stream);
/* update register macro */
#define snd_hdac_updatel(addr, reg, mask, val) \
writel(((readl(addr + reg) & ~(mask)) | (val)), \
addr + reg)
#define snd_hdac_updatew(addr, reg, mask, val) \
writew(((readw(addr + reg) & ~(mask)) | (val)), \
addr + reg)
struct hdac_ext_device;
/* ops common to all codec drivers */
struct hdac_ext_codec_ops {
int (*build_controls)(struct hdac_ext_device *dev);
int (*init)(struct hdac_ext_device *dev);
void (*free)(struct hdac_ext_device *dev);
};
struct hda_dai_map {
char *dai_name;
hda_nid_t nid;
u32 maxbps;
};
#define HDA_MAX_NIDS 16
/**
* struct hdac_ext_device - HDAC Ext device
*
* @hdac: hdac core device
* @nid_list - the dai map which matches the dai-name with the nid
* @map_cur_idx - the idx in use in dai_map
* @ops - the hda codec ops common to all codec drivers
* @pvt_data - private data, for asoc contains asoc codec object
*/
struct hdac_ext_device {
struct hdac_device hdac;
struct hdac_ext_bus *ebus;
/* soc-dai to nid map */
struct hda_dai_map nid_list[HDA_MAX_NIDS];
unsigned int map_cur_idx;
/* codec ops */
struct hdac_ext_codec_ops ops;
struct snd_card *card;
void *scodec;
void *private_data;
};
struct hdac_ext_dma_params {
u32 format;
u8 stream_tag;
};
#define to_ehdac_device(dev) (container_of((dev), \
struct hdac_ext_device, hdac))
/*
* HD-audio codec base driver
*/
struct hdac_ext_driver {
struct hdac_driver hdac;
int (*probe)(struct hdac_ext_device *dev);
int (*remove)(struct hdac_ext_device *dev);
void (*shutdown)(struct hdac_ext_device *dev);
};
int snd_hda_ext_driver_register(struct hdac_ext_driver *drv);
void snd_hda_ext_driver_unregister(struct hdac_ext_driver *drv);
#define to_ehdac_driver(_drv) container_of(_drv, struct hdac_ext_driver, hdac)
#endif /* __SOUND_HDAUDIO_EXT_H */
|
