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      1 /*	$NetBSD: amdgpu_i2c.h,v 1.3 2021/12/18 23:44:58 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2014 Advanced Micro Devices, Inc.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be included in
     14  * all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     22  * OTHER DEALINGS IN THE SOFTWARE.
     23  *
     24  */
     25 
     26 #ifndef __AMDGPU_I2C_H__
     27 #define __AMDGPU_I2C_H__
     28 
     29 struct amdgpu_i2c_chan *amdgpu_i2c_create(struct drm_device *dev,
     30 					  const struct amdgpu_i2c_bus_rec *rec,
     31 					  const char *name);
     32 void amdgpu_i2c_destroy(struct amdgpu_i2c_chan *i2c);
     33 void amdgpu_i2c_init(struct amdgpu_device *adev);
     34 void amdgpu_i2c_fini(struct amdgpu_device *adev);
     35 void amdgpu_i2c_add(struct amdgpu_device *adev,
     36 		    const struct amdgpu_i2c_bus_rec *rec,
     37 		    const char *name);
     38 struct amdgpu_i2c_chan *
     39 amdgpu_i2c_lookup(struct amdgpu_device *adev,
     40 		  const struct amdgpu_i2c_bus_rec *i2c_bus);
     41 void
     42 amdgpu_i2c_router_select_ddc_port(const struct amdgpu_connector *connector);
     43 void
     44 amdgpu_i2c_router_select_cd_port(const struct amdgpu_connector *connector);
     45 
     46 #endif
     47