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 /* 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 33 struct i915_audio_component { 34 struct device *dev; 35 /** 36 * @aud_sample_rate: the array of audio sample rate per port 37 */ 38 int aud_sample_rate[MAX_PORTS]; 39 40 const struct i915_audio_component_ops { 41 struct module *owner; 42 void (*get_power)(struct device *); 43 void (*put_power)(struct device *); 44 void (*codec_wake_override)(struct device *, bool enable); 45 int (*get_cdclk_freq)(struct device *); 46 /** 47 * @sync_audio_rate: set n/cts based on the sample rate 48 * 49 * Called from audio driver. After audio driver sets the 50 * sample rate, it will call this function to set n/cts 51 */ 52 int (*sync_audio_rate)(struct device *, int port, int rate); 53 } *ops; 54 55 const struct i915_audio_component_audio_ops { 56 void *audio_ptr; 57 /** 58 * Call from i915 driver, notifying the HDA driver that 59 * pin sense and/or ELD information has changed. 60 * @audio_ptr: HDA driver object 61 * @port: Which port has changed (PORTA / PORTB / PORTC etc) 62 */ 63 void (*pin_eld_notify)(void *audio_ptr, int port); 64 } *audio_ops; 65 }; 66 67 #endif /* _I915_COMPONENT_H_ */ 68