xref: /dflybsd-src/sys/dev/drm/amd/display/dc/i2caux/diagnostics/i2caux_diag.c (revision b843c749addef9340ee7d4e250b09fdd492602a1)
1*b843c749SSergey Zigachev /*
2*b843c749SSergey Zigachev  * Copyright 2012-16 Advanced Micro Devices, Inc.
3*b843c749SSergey Zigachev  *
4*b843c749SSergey Zigachev  * Permission is hereby granted, free of charge, to any person obtaining a
5*b843c749SSergey Zigachev  * copy of this software and associated documentation files (the "Software"),
6*b843c749SSergey Zigachev  * to deal in the Software without restriction, including without limitation
7*b843c749SSergey Zigachev  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8*b843c749SSergey Zigachev  * and/or sell copies of the Software, and to permit persons to whom the
9*b843c749SSergey Zigachev  * Software is furnished to do so, subject to the following conditions:
10*b843c749SSergey Zigachev  *
11*b843c749SSergey Zigachev  * The above copyright notice and this permission notice shall be included in
12*b843c749SSergey Zigachev  * all copies or substantial portions of the Software.
13*b843c749SSergey Zigachev  *
14*b843c749SSergey Zigachev  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15*b843c749SSergey Zigachev  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16*b843c749SSergey Zigachev  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17*b843c749SSergey Zigachev  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18*b843c749SSergey Zigachev  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19*b843c749SSergey Zigachev  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20*b843c749SSergey Zigachev  * OTHER DEALINGS IN THE SOFTWARE.
21*b843c749SSergey Zigachev  *
22*b843c749SSergey Zigachev  * Authors: AMD
23*b843c749SSergey Zigachev  *
24*b843c749SSergey Zigachev  */
25*b843c749SSergey Zigachev 
26*b843c749SSergey Zigachev #include "dm_services.h"
27*b843c749SSergey Zigachev 
28*b843c749SSergey Zigachev /*
29*b843c749SSergey Zigachev  * Pre-requisites: headers required by header of this unit
30*b843c749SSergey Zigachev  */
31*b843c749SSergey Zigachev #include "include/i2caux_interface.h"
32*b843c749SSergey Zigachev #include "../i2caux.h"
33*b843c749SSergey Zigachev #include "../engine.h"
34*b843c749SSergey Zigachev #include "../i2c_engine.h"
35*b843c749SSergey Zigachev #include "../i2c_sw_engine.h"
36*b843c749SSergey Zigachev #include "../i2c_hw_engine.h"
37*b843c749SSergey Zigachev 
38*b843c749SSergey Zigachev /*
39*b843c749SSergey Zigachev  * Header of this unit
40*b843c749SSergey Zigachev  */
41*b843c749SSergey Zigachev #include "i2caux_diag.h"
42*b843c749SSergey Zigachev 
43*b843c749SSergey Zigachev /*
44*b843c749SSergey Zigachev  * Post-requisites: headers required by this unit
45*b843c749SSergey Zigachev  */
46*b843c749SSergey Zigachev 
47*b843c749SSergey Zigachev /*
48*b843c749SSergey Zigachev  * This unit
49*b843c749SSergey Zigachev  */
50*b843c749SSergey Zigachev 
destruct(struct i2caux * i2caux)51*b843c749SSergey Zigachev static void destruct(
52*b843c749SSergey Zigachev 	struct i2caux *i2caux)
53*b843c749SSergey Zigachev {
54*b843c749SSergey Zigachev 	dal_i2caux_destruct(i2caux);
55*b843c749SSergey Zigachev }
56*b843c749SSergey Zigachev 
destroy(struct i2caux ** i2c_engine)57*b843c749SSergey Zigachev static void destroy(
58*b843c749SSergey Zigachev 	struct i2caux **i2c_engine)
59*b843c749SSergey Zigachev {
60*b843c749SSergey Zigachev 	destruct(*i2c_engine);
61*b843c749SSergey Zigachev 
62*b843c749SSergey Zigachev 	kfree(*i2c_engine);
63*b843c749SSergey Zigachev 
64*b843c749SSergey Zigachev 	*i2c_engine = NULL;
65*b843c749SSergey Zigachev }
66*b843c749SSergey Zigachev 
67*b843c749SSergey Zigachev /* function table */
68*b843c749SSergey Zigachev static const struct i2caux_funcs i2caux_funcs = {
69*b843c749SSergey Zigachev 	.destroy = destroy,
70*b843c749SSergey Zigachev 	.acquire_i2c_hw_engine = NULL,
71*b843c749SSergey Zigachev 	.release_engine = NULL,
72*b843c749SSergey Zigachev 	.acquire_i2c_sw_engine = NULL,
73*b843c749SSergey Zigachev 	.acquire_aux_engine = NULL,
74*b843c749SSergey Zigachev };
75*b843c749SSergey Zigachev 
construct(struct i2caux * i2caux,struct dc_context * ctx)76*b843c749SSergey Zigachev static void construct(
77*b843c749SSergey Zigachev 	struct i2caux *i2caux,
78*b843c749SSergey Zigachev 	struct dc_context *ctx)
79*b843c749SSergey Zigachev {
80*b843c749SSergey Zigachev 	dal_i2caux_construct(i2caux, ctx);
81*b843c749SSergey Zigachev 	i2caux->funcs = &i2caux_funcs;
82*b843c749SSergey Zigachev }
83*b843c749SSergey Zigachev 
dal_i2caux_diag_fpga_create(struct dc_context * ctx)84*b843c749SSergey Zigachev struct i2caux *dal_i2caux_diag_fpga_create(
85*b843c749SSergey Zigachev 	struct dc_context *ctx)
86*b843c749SSergey Zigachev {
87*b843c749SSergey Zigachev 	struct i2caux *i2caux =	kzalloc(sizeof(struct i2caux),
88*b843c749SSergey Zigachev 					       GFP_KERNEL);
89*b843c749SSergey Zigachev 
90*b843c749SSergey Zigachev 	if (!i2caux) {
91*b843c749SSergey Zigachev 		ASSERT_CRITICAL(false);
92*b843c749SSergey Zigachev 		return NULL;
93*b843c749SSergey Zigachev 	}
94*b843c749SSergey Zigachev 
95*b843c749SSergey Zigachev 	construct(i2caux, ctx);
96*b843c749SSergey Zigachev 	return i2caux;
97*b843c749SSergey Zigachev }
98