xref: /openbmc/linux/drivers/gpu/drm/meson/meson_viu.h (revision 74ce1896)
1 /*
2  * Copyright (C) 2016 BayLibre, SAS
3  * Author: Neil Armstrong <narmstrong@baylibre.com>
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License as
7  * published by the Free Software Foundation; either version 2 of the
8  * License, or (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful, but
11  * WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, see <http://www.gnu.org/licenses/>.
17  */
18 
19 /* Video Input Unit */
20 
21 #ifndef __MESON_VIU_H
22 #define __MESON_VIU_H
23 
24 /* OSDx_BLKx_CFG */
25 #define OSD_CANVAS_SEL		16
26 
27 #define OSD_ENDIANNESS_LE	BIT(15)
28 #define OSD_ENDIANNESS_BE	(0)
29 
30 #define OSD_BLK_MODE_422	(0x03 << 8)
31 #define OSD_BLK_MODE_16		(0x04 << 8)
32 #define OSD_BLK_MODE_32		(0x05 << 8)
33 #define OSD_BLK_MODE_24		(0x07 << 8)
34 
35 #define OSD_OUTPUT_COLOR_RGB	BIT(7)
36 #define OSD_OUTPUT_COLOR_YUV	(0)
37 
38 #define OSD_COLOR_MATRIX_32_RGBA	(0x00 << 2)
39 #define OSD_COLOR_MATRIX_32_ARGB	(0x01 << 2)
40 #define OSD_COLOR_MATRIX_32_ABGR	(0x02 << 2)
41 #define OSD_COLOR_MATRIX_32_BGRA	(0x03 << 2)
42 
43 #define OSD_COLOR_MATRIX_24_RGB		(0x00 << 2)
44 
45 #define OSD_COLOR_MATRIX_16_RGB655	(0x00 << 2)
46 #define OSD_COLOR_MATRIX_16_RGB565	(0x04 << 2)
47 
48 #define OSD_INTERLACE_ENABLED	BIT(1)
49 #define OSD_INTERLACE_ODD	BIT(0)
50 #define OSD_INTERLACE_EVEN	(0)
51 
52 /* OSDx_CTRL_STAT */
53 #define OSD_ENABLE		BIT(21)
54 #define OSD_BLK0_ENABLE		BIT(0)
55 
56 #define OSD_GLOBAL_ALPHA_SHIFT	12
57 
58 /* OSDx_CTRL_STAT2 */
59 #define OSD_REPLACE_EN		BIT(14)
60 #define OSD_REPLACE_SHIFT	6
61 
62 void meson_viu_init(struct meson_drm *priv);
63 
64 #endif /* __MESON_VIU_H */
65