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58fddc28 ID |
1 | /* |
2 | * Copyright © 2014 Intel Corporation | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice (including the next | |
12 | * paragraph) shall be included in all copies or substantial portions of the | |
13 | * Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS | |
21 | * IN THE SOFTWARE. | |
22 | */ | |
23 | ||
24 | #ifndef _I915_COMPONENT_H_ | |
25 | #define _I915_COMPONENT_H_ | |
26 | ||
7e8275c2 LY |
27 | /* MAX_PORT is the number of port |
28 | * It must be sync with I915_MAX_PORTS defined i915_drv.h | |
29 | * 5 should be enough as only HSW, BDW, SKL need such fix. | |
30 | */ | |
31 | #define MAX_PORTS 5 | |
32 | ||
3f4c90bd LY |
33 | /** |
34 | * struct i915_audio_component_ops - callbacks defined in gfx driver | |
35 | * @owner: the module owner | |
36 | * @get_power: get the POWER_DOMAIN_AUDIO power well | |
37 | * @put_power: put the POWER_DOMAIN_AUDIO power well | |
38 | * @codec_wake_override: Enable/Disable generating the codec wake signal | |
39 | * @get_cdclk_freq: get the Core Display Clock in KHz | |
40 | * @sync_audio_rate: set n/cts based on the sample rate | |
41 | */ | |
42 | struct i915_audio_component_ops { | |
43 | struct module *owner; | |
44 | void (*get_power)(struct device *); | |
45 | void (*put_power)(struct device *); | |
46 | void (*codec_wake_override)(struct device *, bool enable); | |
47 | int (*get_cdclk_freq)(struct device *); | |
48 | int (*sync_audio_rate)(struct device *, int port, int rate); | |
49 | }; | |
50 | ||
51 | struct i915_audio_component_audio_ops { | |
52 | void *audio_ptr; | |
7e8275c2 | 53 | /** |
3f4c90bd LY |
54 | * Call from i915 driver, notifying the HDA driver that |
55 | * pin sense and/or ELD information has changed. | |
56 | * @audio_ptr: HDA driver object | |
57 | * @port: Which port has changed (PORTA / PORTB / PORTC etc) | |
7e8275c2 | 58 | */ |
3f4c90bd LY |
59 | void (*pin_eld_notify)(void *audio_ptr, int port); |
60 | }; | |
61 | ||
62 | /** | |
63 | * struct i915_audio_component - used for audio video interaction | |
64 | * @dev: the device from gfx driver | |
65 | * @aud_sample_rate: the array of audio sample rate per port | |
66 | * @ops: callback for audio driver calling | |
67 | * @audio_ops: Call from i915 driver | |
68 | */ | |
69 | struct i915_audio_component { | |
70 | struct device *dev; | |
7e8275c2 | 71 | int aud_sample_rate[MAX_PORTS]; |
58fddc28 | 72 | |
3f4c90bd | 73 | const struct i915_audio_component_ops *ops; |
2a8ceedf | 74 | |
3f4c90bd | 75 | const struct i915_audio_component_audio_ops *audio_ops; |
58fddc28 ID |
76 | }; |
77 | ||
78 | #endif /* _I915_COMPONENT_H_ */ |