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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
dfe66a18 JK |
2 | #ifndef __SOUND_HDAUDIO_EXT_H |
3 | #define __SOUND_HDAUDIO_EXT_H | |
4 | ||
5 | #include <sound/hdaudio.h> | |
6 | ||
7 | /** | |
8 | * hdac_ext_bus: HDAC extended bus for extended HDA caps | |
9 | * | |
10 | * @bus: hdac bus | |
11 | * @num_streams: streams supported | |
dfe66a18 | 12 | * @hlink_list: link list of HDA links |
4446085d VK |
13 | * @lock: lock for link mgmt |
14 | * @cmd_dma_state: state of cmd DMAs: CORB and RIRB | |
dfe66a18 JK |
15 | */ |
16 | struct hdac_ext_bus { | |
17 | struct hdac_bus bus; | |
18 | int num_streams; | |
19 | int idx; | |
20 | ||
dfe66a18 | 21 | struct list_head hlink_list; |
4446085d VK |
22 | |
23 | struct mutex lock; | |
24 | bool cmd_dma_state; | |
dfe66a18 JK |
25 | }; |
26 | ||
27 | int snd_hdac_ext_bus_init(struct hdac_ext_bus *sbus, struct device *dev, | |
28 | const struct hdac_bus_ops *ops, | |
29 | const struct hdac_io_ops *io_ops); | |
30 | ||
31 | void snd_hdac_ext_bus_exit(struct hdac_ext_bus *sbus); | |
32 | int snd_hdac_ext_bus_device_init(struct hdac_ext_bus *sbus, int addr); | |
33 | void snd_hdac_ext_bus_device_exit(struct hdac_device *hdev); | |
ee2d51b3 | 34 | void snd_hdac_ext_bus_device_remove(struct hdac_ext_bus *ebus); |
dfe66a18 JK |
35 | |
36 | #define ebus_to_hbus(ebus) (&(ebus)->bus) | |
37 | #define hbus_to_ebus(_bus) \ | |
38 | container_of(_bus, struct hdac_ext_bus, bus) | |
39 | ||
b6e84c99 SP |
40 | #define HDA_CODEC_REV_EXT_ENTRY(_vid, _rev, _name, drv_data) \ |
41 | { .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \ | |
42 | .api_version = HDA_DEV_ASOC, \ | |
43 | .driver_data = (unsigned long)(drv_data) } | |
44 | #define HDA_CODEC_EXT_ENTRY(_vid, _revid, _name, _drv_data) \ | |
45 | HDA_CODEC_REV_EXT_ENTRY(_vid, _revid, _name, _drv_data) | |
46 | ||
dfe66a18 JK |
47 | void snd_hdac_ext_bus_ppcap_enable(struct hdac_ext_bus *chip, bool enable); |
48 | void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_ext_bus *chip, bool enable); | |
49 | ||
0b00a561 JK |
50 | void snd_hdac_ext_stream_spbcap_enable(struct hdac_ext_bus *chip, |
51 | bool enable, int index); | |
52 | ||
53 | int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_ext_bus *bus); | |
0b00a561 JK |
54 | struct hdac_ext_link *snd_hdac_ext_bus_get_link(struct hdac_ext_bus *bus, |
55 | const char *codec_name); | |
56 | ||
57 | enum hdac_ext_stream_type { | |
58 | HDAC_EXT_STREAM_TYPE_COUPLED = 0, | |
59 | HDAC_EXT_STREAM_TYPE_HOST, | |
60 | HDAC_EXT_STREAM_TYPE_LINK | |
61 | }; | |
62 | ||
df203a4e JK |
63 | /** |
64 | * hdac_ext_stream: HDAC extended stream for extended HDA caps | |
65 | * | |
66 | * @hstream: hdac_stream | |
67 | * @pphc_addr: processing pipe host stream pointer | |
68 | * @pplc_addr: processing pipe link stream pointer | |
ee8bc4df JK |
69 | * @spib_addr: software position in buffers stream pointer |
70 | * @fifo_addr: software position Max fifos stream pointer | |
a9c48f7f JK |
71 | * @dpibr_addr: DMA position in buffer resume pointer |
72 | * @dpib: DMA position in buffer | |
73 | * @lpib: Linear position in buffer | |
df203a4e JK |
74 | * @decoupled: stream host and link is decoupled |
75 | * @link_locked: link is locked | |
76 | * @link_prepared: link is prepared | |
77 | * link_substream: link substream | |
78 | */ | |
79 | struct hdac_ext_stream { | |
80 | struct hdac_stream hstream; | |
81 | ||
82 | void __iomem *pphc_addr; | |
83 | void __iomem *pplc_addr; | |
84 | ||
ee8bc4df JK |
85 | void __iomem *spib_addr; |
86 | void __iomem *fifo_addr; | |
87 | ||
a9c48f7f JK |
88 | void __iomem *dpibr_addr; |
89 | ||
90 | u32 dpib; | |
91 | u32 lpib; | |
df203a4e JK |
92 | bool decoupled:1; |
93 | bool link_locked:1; | |
94 | bool link_prepared; | |
95 | ||
96 | struct snd_pcm_substream *link_substream; | |
97 | }; | |
98 | ||
99 | #define hdac_stream(s) (&(s)->hstream) | |
100 | #define stream_to_hdac_ext_stream(s) \ | |
101 | container_of(s, struct hdac_ext_stream, hstream) | |
102 | ||
103 | void snd_hdac_ext_stream_init(struct hdac_ext_bus *bus, | |
104 | struct hdac_ext_stream *stream, int idx, | |
105 | int direction, int tag); | |
e7a3484d VK |
106 | int snd_hdac_ext_stream_init_all(struct hdac_ext_bus *ebus, int start_idx, |
107 | int num_stream, int dir); | |
108 | void snd_hdac_stream_free_all(struct hdac_ext_bus *ebus); | |
bab4445f | 109 | void snd_hdac_link_free_all(struct hdac_ext_bus *ebus); |
df203a4e JK |
110 | struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_ext_bus *bus, |
111 | struct snd_pcm_substream *substream, | |
112 | int type); | |
113 | void snd_hdac_ext_stream_release(struct hdac_ext_stream *azx_dev, int type); | |
114 | void snd_hdac_ext_stream_decouple(struct hdac_ext_bus *bus, | |
115 | struct hdac_ext_stream *azx_dev, bool decouple); | |
116 | void snd_hdac_ext_stop_streams(struct hdac_ext_bus *sbus); | |
117 | ||
ee8bc4df JK |
118 | int snd_hdac_ext_stream_set_spib(struct hdac_ext_bus *ebus, |
119 | struct hdac_ext_stream *stream, u32 value); | |
54d1d2f5 | 120 | int snd_hdac_ext_stream_get_spbmaxfifo(struct hdac_ext_bus *ebus, |
ee8bc4df | 121 | struct hdac_ext_stream *stream); |
a9c48f7f JK |
122 | void snd_hdac_ext_stream_drsm_enable(struct hdac_ext_bus *ebus, |
123 | bool enable, int index); | |
124 | int snd_hdac_ext_stream_set_dpibr(struct hdac_ext_bus *ebus, | |
125 | struct hdac_ext_stream *stream, u32 value); | |
126 | int snd_hdac_ext_stream_set_lpib(struct hdac_ext_stream *stream, u32 value); | |
ee8bc4df | 127 | |
df203a4e JK |
128 | void snd_hdac_ext_link_stream_start(struct hdac_ext_stream *hstream); |
129 | void snd_hdac_ext_link_stream_clear(struct hdac_ext_stream *hstream); | |
130 | void snd_hdac_ext_link_stream_reset(struct hdac_ext_stream *hstream); | |
131 | int snd_hdac_ext_link_stream_setup(struct hdac_ext_stream *stream, int fmt); | |
132 | ||
0b00a561 JK |
133 | struct hdac_ext_link { |
134 | struct hdac_bus *bus; | |
135 | int index; | |
136 | void __iomem *ml_addr; /* link output stream reg pointer */ | |
137 | u32 lcaps; /* link capablities */ | |
138 | u16 lsdiid; /* link sdi identifier */ | |
4446085d VK |
139 | |
140 | int ref_count; | |
141 | ||
0b00a561 JK |
142 | struct list_head list; |
143 | }; | |
144 | ||
145 | int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *link); | |
146 | int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *link); | |
6706a197 | 147 | int snd_hdac_ext_bus_link_power_up_all(struct hdac_ext_bus *ebus); |
c5b0c09b | 148 | int snd_hdac_ext_bus_link_power_down_all(struct hdac_ext_bus *ebus); |
0b00a561 JK |
149 | void snd_hdac_ext_link_set_stream_id(struct hdac_ext_link *link, |
150 | int stream); | |
151 | void snd_hdac_ext_link_clear_stream_id(struct hdac_ext_link *link, | |
152 | int stream); | |
153 | ||
4446085d VK |
154 | int snd_hdac_ext_bus_link_get(struct hdac_ext_bus *ebus, |
155 | struct hdac_ext_link *link); | |
156 | int snd_hdac_ext_bus_link_put(struct hdac_ext_bus *ebus, | |
157 | struct hdac_ext_link *link); | |
158 | ||
0b00a561 JK |
159 | /* update register macro */ |
160 | #define snd_hdac_updatel(addr, reg, mask, val) \ | |
161 | writel(((readl(addr + reg) & ~(mask)) | (val)), \ | |
162 | addr + reg) | |
163 | ||
df203a4e JK |
164 | #define snd_hdac_updatew(addr, reg, mask, val) \ |
165 | writew(((readw(addr + reg) & ~(mask)) | (val)), \ | |
166 | addr + reg) | |
167 | ||
a512f561 VK |
168 | |
169 | struct hdac_ext_device; | |
170 | ||
171 | /* ops common to all codec drivers */ | |
172 | struct hdac_ext_codec_ops { | |
173 | int (*build_controls)(struct hdac_ext_device *dev); | |
174 | int (*init)(struct hdac_ext_device *dev); | |
175 | void (*free)(struct hdac_ext_device *dev); | |
176 | }; | |
177 | ||
178 | struct hda_dai_map { | |
179 | char *dai_name; | |
180 | hda_nid_t nid; | |
181 | u32 maxbps; | |
182 | }; | |
183 | ||
184 | #define HDA_MAX_NIDS 16 | |
185 | ||
186 | /** | |
187 | * struct hdac_ext_device - HDAC Ext device | |
188 | * | |
189 | * @hdac: hdac core device | |
190 | * @nid_list - the dai map which matches the dai-name with the nid | |
191 | * @map_cur_idx - the idx in use in dai_map | |
192 | * @ops - the hda codec ops common to all codec drivers | |
193 | * @pvt_data - private data, for asoc contains asoc codec object | |
194 | */ | |
195 | struct hdac_ext_device { | |
f0c5ebeb | 196 | struct hdac_device hdev; |
a512f561 VK |
197 | struct hdac_ext_bus *ebus; |
198 | ||
199 | /* soc-dai to nid map */ | |
200 | struct hda_dai_map nid_list[HDA_MAX_NIDS]; | |
201 | unsigned int map_cur_idx; | |
202 | ||
203 | /* codec ops */ | |
204 | struct hdac_ext_codec_ops ops; | |
205 | ||
1e83b047 SP |
206 | struct snd_card *card; |
207 | void *scodec; | |
a512f561 VK |
208 | void *private_data; |
209 | }; | |
210 | ||
1e83b047 SP |
211 | struct hdac_ext_dma_params { |
212 | u32 format; | |
213 | u8 stream_tag; | |
214 | }; | |
a512f561 | 215 | #define to_ehdac_device(dev) (container_of((dev), \ |
f0c5ebeb | 216 | struct hdac_ext_device, hdev)) |
d51783c1 VK |
217 | /* |
218 | * HD-audio codec base driver | |
219 | */ | |
220 | struct hdac_ext_driver { | |
221 | struct hdac_driver hdac; | |
222 | ||
223 | int (*probe)(struct hdac_ext_device *dev); | |
224 | int (*remove)(struct hdac_ext_device *dev); | |
225 | void (*shutdown)(struct hdac_ext_device *dev); | |
226 | }; | |
227 | ||
228 | int snd_hda_ext_driver_register(struct hdac_ext_driver *drv); | |
229 | void snd_hda_ext_driver_unregister(struct hdac_ext_driver *drv); | |
230 | ||
231 | #define to_ehdac_driver(_drv) container_of(_drv, struct hdac_ext_driver, hdac) | |
a512f561 | 232 | |
dfe66a18 | 233 | #endif /* __SOUND_HDAUDIO_EXT_H */ |