0,0 → 1,78 |
/* |
* Copyright © 2014 Intel Corporation |
* |
* Permission is hereby granted, free of charge, to any person obtaining a |
* copy of this software and associated documentation files (the "Software"), |
* to deal in the Software without restriction, including without limitation |
* the rights to use, copy, modify, merge, publish, distribute, sublicense, |
* and/or sell copies of the Software, and to permit persons to whom the |
* Software is furnished to do so, subject to the following conditions: |
* |
* The above copyright notice and this permission notice (including the next |
* paragraph) shall be included in all copies or substantial portions of the |
* Software. |
* |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
* IN THE SOFTWARE. |
*/ |
|
#ifndef _I915_COMPONENT_H_ |
#define _I915_COMPONENT_H_ |
|
/* MAX_PORT is the number of port |
* It must be sync with I915_MAX_PORTS defined i915_drv.h |
* 5 should be enough as only HSW, BDW, SKL need such fix. |
*/ |
#define MAX_PORTS 5 |
|
/** |
* struct i915_audio_component_ops - callbacks defined in gfx driver |
* @owner: the module owner |
* @get_power: get the POWER_DOMAIN_AUDIO power well |
* @put_power: put the POWER_DOMAIN_AUDIO power well |
* @codec_wake_override: Enable/Disable generating the codec wake signal |
* @get_cdclk_freq: get the Core Display Clock in KHz |
* @sync_audio_rate: set n/cts based on the sample rate |
*/ |
struct i915_audio_component_ops { |
struct module *owner; |
void (*get_power)(struct device *); |
void (*put_power)(struct device *); |
void (*codec_wake_override)(struct device *, bool enable); |
int (*get_cdclk_freq)(struct device *); |
int (*sync_audio_rate)(struct device *, int port, int rate); |
}; |
|
struct i915_audio_component_audio_ops { |
void *audio_ptr; |
/** |
* Call from i915 driver, notifying the HDA driver that |
* pin sense and/or ELD information has changed. |
* @audio_ptr: HDA driver object |
* @port: Which port has changed (PORTA / PORTB / PORTC etc) |
*/ |
void (*pin_eld_notify)(void *audio_ptr, int port); |
}; |
|
/** |
* struct i915_audio_component - used for audio video interaction |
* @dev: the device from gfx driver |
* @aud_sample_rate: the array of audio sample rate per port |
* @ops: callback for audio driver calling |
* @audio_ops: Call from i915 driver |
*/ |
struct i915_audio_component { |
struct device *dev; |
int aud_sample_rate[MAX_PORTS]; |
|
const struct i915_audio_component_ops *ops; |
|
const struct i915_audio_component_audio_ops *audio_ops; |
}; |
|
#endif /* _I915_COMPONENT_H_ */ |