[deliverable/linux.git] / include / drm / drm_dp_aux_dev.h

/*
 * Copyright © 2015 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.
 *
 * Authors:
 *    Rafael Antognolli <rafael.antognolli@intel.com>
 *
 */

#ifndef DRM_DP_AUX_DEV
#define DRM_DP_AUX_DEV

#include <drm/drm_dp_helper.h>

#ifdef CONFIG_DRM_DP_AUX_CHARDEV

int drm_dp_aux_dev_init(void);
void drm_dp_aux_dev_exit(void);
int drm_dp_aux_register_devnode(struct drm_dp_aux *aux);
void drm_dp_aux_unregister_devnode(struct drm_dp_aux *aux);

#else

static inline int drm_dp_aux_dev_init(void)
{
	return 0;
}

static inline void drm_dp_aux_dev_exit(void)
{
}

static inline int drm_dp_aux_register_devnode(struct drm_dp_aux *aux)
{
	return 0;
}

static inline void drm_dp_aux_unregister_devnode(struct drm_dp_aux *aux)
{
}

#endif

#endif
Commit	Line	Data
e94cb37b RA	1	/*
	2	* Copyright © 2015 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	* Authors:
	24	* Rafael Antognolli <rafael.antognolli@intel.com>
	25	*
	26	*/
	27
	28	#ifndef DRM_DP_AUX_DEV
	29	#define DRM_DP_AUX_DEV
	30
	31	#include <drm/drm_dp_helper.h>
	32
	33	#ifdef CONFIG_DRM_DP_AUX_CHARDEV
	34
	35	int drm_dp_aux_dev_init(void);
	36	void drm_dp_aux_dev_exit(void);
	37	int drm_dp_aux_register_devnode(struct drm_dp_aux *aux);
	38	void drm_dp_aux_unregister_devnode(struct drm_dp_aux *aux);
	39
	40	#else
	41
	42	static inline int drm_dp_aux_dev_init(void)
	43	{
	44	return 0;
	45	}
	46
	47	static inline void drm_dp_aux_dev_exit(void)
	48	{
	49	}
	50
	51	static inline int drm_dp_aux_register_devnode(struct drm_dp_aux *aux)
	52	{
	53	return 0;
	54	}
	55
	56	static inline void drm_dp_aux_unregister_devnode(struct drm_dp_aux *aux)
	57	{
	58	}
	59
	60	#endif
	61
	62	#endif