xref: /netbsd-src/sys/arch/macppc/dev/platinumfbreg.h (revision 72d26a2dda23791b892cf8f1f49376e5de407c78)
1 /*
2  * Redistribution and use in source and binary forms, with or without
3  * modification, are permitted provided that the following conditions
4  * are met:
5  * 1. Redistributions of source code must retain the above copyright
6  *    notice, this list of conditions and the following disclaimer.
7  * 2. Redistributions in binary form must reproduce the above copyright
8  *    notice, this list of conditions and the following disclaimer in the
9  *    documentation and/or other materials provided with the distribution.
10  *
11  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
12  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
13  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
14  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
15  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
16  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
17  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
18  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
19  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
20  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
21  */
22 
23 #include <sys/cdefs.h>
24 __KERNEL_RCSID(0, "$NetBSD: platinumfbreg.h,v 1.3 2020/04/16 23:29:52 rin Exp $");
25 
26 #ifndef PLATINUMFBREG_H
27 #define PLATINUMFBREG_H
28 
29 /*
30  * platinum register address offsets.
31  * registers are each 32 bits with 12*8bits of padding,
32  * 128 registers total
33  */
34 #define PLATINUM_REG_OFFSET_ADDR(x) (x * 0x10)
35 #define PLATINUM_REG_COUNT          128
36 
37 /*
38  * colormap register addresses.
39  * registers are each 8 bits with 15*8 bits of padding
40  */
41 #define PLATINUM_CMAP_BASE_ADDR   0xf301b000 /* XXX not in ofw ? */
42 #define PLATINUM_CMAP_ADDR_OFFSET 0x00000000
43 #define PLATINUM_CMAP_D1_OFFSET   0x00000010
44 #define PLATINUM_CMAP_D2_OFFSET   0x00000020
45 #define PLATINUM_CMAP_LUT_OFFSET  0x00000030
46 #define PLATINUM_CMAP_SIZE        0x1000     /* XXX ofw says 0x800? */
47 
48 /* framebuffer */
49 #define PLATINUM_FB_BANK_SIZE 0x100000
50 #define PLATINUM_FB_MIN_SIZE (1 * PLATINUM_FB_BANK_SIZE)
51 #define PLATINUM_FB_MAX_SIZE (4 * PLATINUM_FB_BANK_SIZE)
52 
53 /* depth/colormodes */
54 #define PLATINUM_CMODE_8  0
55 #define PLATINUM_CMODE_16 1
56 #define PLATINUM_CMODE_32 2
57 
58 /* DACula types */
59 #define PLATINUM_DAC_0 0x84
60 #define PLATINUM_DAC_1 0x3c
61 
62 #endif /* PLATINUMFBREG_H */
63