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