xref: /openbmc/linux/include/video/maxinefb.h (revision 1da177e4)
1 /*
2  *      linux/drivers/video/maxinefb.h
3  *
4  *      DECstation 5000/xx onboard framebuffer support, Copyright (C) 1999 by
5  *      Michael Engel <engel@unix-ag.org> and Karsten Merker <merker@guug.de>
6  *      This file is subject to the terms and conditions of the GNU General
7  *      Public License.  See the file COPYING in the main directory of this
8  *      archive for more details.
9  */
10 
11 #include <asm/addrspace.h>
12 
13 /*
14  * IMS332 video controller register base address
15  */
16 #define MAXINEFB_IMS332_ADDRESS		KSEG1ADDR(0x1c140000)
17 
18 /*
19  * Begin of DECstation 5000/xx onboard framebuffer memory, default resolution
20  * is 1024x768x8
21  */
22 #define DS5000_xx_ONBOARD_FBMEM_START	KSEG1ADDR(0x0a000000)
23 
24 /*
25  *      The IMS 332 video controller used in the DECstation 5000/xx series
26  *      uses 32 bits wide registers; the following defines declare the
27  *      register numbers, to get the real offset, these have to be multiplied
28  *      by four.
29  */
30 
31 #define IMS332_REG_CURSOR_RAM           0x200	/* hardware cursor bitmap */
32 
33 /*
34  * The color palette entries have the form 0x00BBGGRR
35  */
36 #define IMS332_REG_COLOR_PALETTE        0x100	/* color palette, 256 entries */
37 #define IMS332_REG_CURSOR_COLOR_PALETTE	0x0a1	/* cursor color palette, */
38 						/* 3 entries             */
39