xref: /openbmc/linux/drivers/gpu/drm/radeon/rs100d.h (revision f16fe2d3)
1 /*
2  * Copyright 2008 Advanced Micro Devices, Inc.
3  * Copyright 2008 Red Hat Inc.
4  * Copyright 2009 Jerome Glisse.
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  * Authors: Dave Airlie
25  *          Alex Deucher
26  *          Jerome Glisse
27  */
28 #ifndef __RS100D_H__
29 #define __RS100D_H__
30 
31 /* Registers */
32 #define R_00015C_NB_TOM                              0x00015C
33 #define   S_00015C_MC_FB_START(x)                      (((x) & 0xFFFF) << 0)
34 #define   G_00015C_MC_FB_START(x)                      (((x) >> 0) & 0xFFFF)
35 #define   C_00015C_MC_FB_START                         0xFFFF0000
36 #define   S_00015C_MC_FB_TOP(x)                        (((x) & 0xFFFF) << 16)
37 #define   G_00015C_MC_FB_TOP(x)                        (((x) >> 16) & 0xFFFF)
38 #define   C_00015C_MC_FB_TOP                           0x0000FFFF
39 
40 #endif
41