intel_lpe_audio.h (1758B)
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 30struct platform_device; 31 32#define HDMI_MAX_ELD_BYTES 128 33 34struct 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 42struct 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_ */