2 * Copyright © 2014 Intel Corporation
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5 * copy of this software and associated documentation files (the "Software"),
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9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
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24 #ifndef _I915_COMPONENT_H_
25 #define _I915_COMPONENT_H_
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.
33 struct i915_audio_component {
36 * @aud_sample_rate: the array of audio sample rate per port
38 int aud_sample_rate[MAX_PORTS];
40 const struct i915_audio_component_ops {
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 *);
47 * @sync_audio_rate: set n/cts based on the sample rate
49 * Called from audio driver. After audio driver sets the
50 * sample rate, it will call this function to set n/cts
52 int (*sync_audio_rate)(struct device *, int port, int rate);
55 const struct i915_audio_component_audio_ops {
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)
63 void (*pin_eld_notify)(void *audio_ptr, int port);
67 #endif /* _I915_COMPONENT_H_ */