xref: /openbmc/linux/include/drm/i915_component.h (revision b830f94f)
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 
27 #include "drm_audio_component.h"
28 
29 enum i915_component_type {
30 	I915_COMPONENT_AUDIO = 1,
31 	I915_COMPONENT_HDCP,
32 };
33 
34 /* MAX_PORT is the number of port
35  * It must be sync with I915_MAX_PORTS defined i915_drv.h
36  */
37 #define MAX_PORTS 6
38 
39 /**
40  * struct i915_audio_component - Used for direct communication between i915 and hda drivers
41  */
42 struct i915_audio_component {
43 	/**
44 	 * @base: the drm_audio_component base class
45 	 */
46 	struct drm_audio_component	base;
47 
48 	/**
49 	 * @aud_sample_rate: the array of audio sample rate per port
50 	 */
51 	int aud_sample_rate[MAX_PORTS];
52 };
53 
54 #endif /* _I915_COMPONENT_H_ */
55