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 struct i915_audio_component { 28 struct device *dev; 29 30 const struct i915_audio_component_ops { 31 struct module *owner; 32 void (*get_power)(struct device *); 33 void (*put_power)(struct device *); 34 void (*codec_wake_override)(struct device *, bool enable); 35 int (*get_cdclk_freq)(struct device *); 36 } *ops; 37 38 const struct i915_audio_component_audio_ops { 39 void *audio_ptr; 40 /** 41 * Call from i915 driver, notifying the HDA driver that 42 * pin sense and/or ELD information has changed. 43 * @audio_ptr: HDA driver object 44 * @port: Which port has changed (PORTA / PORTB / PORTC etc) 45 * @port_mst_index: Index within that port, for DisplayPort multistreaming 46 */ 47 void (*pin_eld_notify)(void *audio_ptr, int port, int port_mst_index); 48 } *audio_ops; 49 }; 50 51 #endif /* _I915_COMPONENT_H_ */ 52