xref: /netbsd-src/sys/external/bsd/drm2/dist/drm/i915/selftests/mock_uncore.c (revision 41ec02673d281bbb3d38e6c78504ce6e30c228c1)
1 /*	$NetBSD: mock_uncore.c,v 1.2 2021/12/18 23:45:31 riastradh Exp $	*/
2 
3 /*
4  * Copyright © 2017 Intel Corporation
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 (including the next
14  * paragraph) shall be included in all copies or substantial portions of the
15  * Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
23  * IN THE SOFTWARE.
24  *
25  */
26 
27 #include <sys/cdefs.h>
28 __KERNEL_RCSID(0, "$NetBSD: mock_uncore.c,v 1.2 2021/12/18 23:45:31 riastradh Exp $");
29 
30 #include "mock_uncore.h"
31 
32 #define __nop_write(x) \
33 static void \
34 nop_write##x(struct intel_uncore *uncore, i915_reg_t reg, u##x val, bool trace) { }
35 __nop_write(8)
36 __nop_write(16)
37 __nop_write(32)
38 
39 #define __nop_read(x) \
40 static u##x \
41 nop_read##x(struct intel_uncore *uncore, i915_reg_t reg, bool trace) { return 0; }
42 __nop_read(8)
43 __nop_read(16)
44 __nop_read(32)
45 __nop_read(64)
46 
mock_uncore_init(struct intel_uncore * uncore,struct drm_i915_private * i915)47 void mock_uncore_init(struct intel_uncore *uncore,
48 		      struct drm_i915_private *i915)
49 {
50 	intel_uncore_init_early(uncore, i915);
51 
52 	ASSIGN_RAW_WRITE_MMIO_VFUNCS(uncore, nop);
53 	ASSIGN_RAW_READ_MMIO_VFUNCS(uncore, nop);
54 }
55