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drm/i915: add kerneldoc for i915_audio_component

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Add the kerneldoc for i915_audio_component in i915_component.h

Signed-off-by: Libin Yang <libin.yang@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Libin Yang 2015-10-01 17:01:08 +08:00 committed by Daniel Vetter
parent 2844659842
commit 3f4c90bd20
1 changed files with 38 additions and 27 deletions
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65
include/drm/i915_component.h
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@ -30,38 +30,49 @@
*/
#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;
/**
* @aud_sample_rate: the array of audio sample rate per port
*/
int aud_sample_rate[MAX_PORTS];
const 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 *);
/**
* @sync_audio_rate: set n/cts based on the sample rate
*
* Called from audio driver. After audio driver sets the
* sample rate, it will call this function to set n/cts
*/
int (*sync_audio_rate)(struct device *, int port, int rate);
} *ops;
const struct i915_audio_component_ops *ops;
const 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);
} *audio_ops;
const struct i915_audio_component_audio_ops *audio_ops;
};
#endif /* _I915_COMPONENT_H_ */