[mirror_ubuntu-bionic-kernel.git] / include / drm / i915_component.h

/*
 * 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 {
	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_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;
};

#endif /* _I915_COMPONENT_H_ */
Commit	Line	Data
58fddc28 ID	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
7e8275c2 LY	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
58fddc28 ID	33	struct i915_audio_component {
58fddc28 ID	34	struct device *dev;
7e8275c2 LY	35	/**
	36	* @aud_sample_rate: the array of audio sample rate per port
	37	*/
	38	int aud_sample_rate[MAX_PORTS];
58fddc28 ID	39
	40	const struct i915_audio_component_ops {
	41	struct module *owner;
	42	void (get_power)(struct device );
	43	void (put_power)(struct device );
632f3ab9	44	void (codec_wake_override)(struct device , bool enable);
58fddc28	45	int (get_cdclk_freq)(struct device );
5334240c LY	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);
58fddc28	53	} *ops;
2a8ceedf DH	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)
2a8ceedf	62	*/
f0675d4a	63	void (pin_eld_notify)(void audio_ptr, int port);
2a8ceedf	64	} *audio_ops;
58fddc28 ID	65	};
	66
	67	#endif /* _I915_COMPONENT_H_ */