1 /*
2 * Copyright © 2016 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 _INTEL_LPE_AUDIO_H_
25 #define _INTEL_LPE_AUDIO_H_
26
27 #include <linux/types.h>
28 #include <linux/spinlock_types.h>
29
30 struct platform_device;
31
32 #define HDMI_MAX_ELD_BYTES 128
33
34 struct intel_hdmi_lpe_audio_port_pdata {
35 u8 eld[HDMI_MAX_ELD_BYTES];
36 int port;
37 int pipe;
38 int ls_clock;
39 bool dp_output;
40 };
41
42 struct intel_hdmi_lpe_audio_pdata {
43 struct intel_hdmi_lpe_audio_port_pdata port[3]; /* for ports B,C,D */
44 int num_ports;
45 int num_pipes;
46
47 void (*notify_audio_lpe)(struct platform_device *pdev, int port); /* port: 0==B,1==C,2==D */
48 spinlock_t lpe_audio_slock;
49 };
50
51 #endif /* _I915_LPE_AUDIO_H_ */