xref: /linux/arch/sh/include/mach-dreamcast/mach/maple.h (revision 498495dba268b20e8eadd7fe93c140c68b6cc9d2)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASM_MAPLE_H
3 #define __ASM_MAPLE_H
4 
5 #define MAPLE_PORTS 4
6 #define MAPLE_PNP_INTERVAL HZ
7 #define MAPLE_MAXPACKETS 8
8 #define MAPLE_DMA_ORDER 14
9 #define MAPLE_DMA_SIZE (1 << MAPLE_DMA_ORDER)
10 #define MAPLE_DMA_PAGES ((MAPLE_DMA_ORDER > PAGE_SHIFT) ? \
11 			  MAPLE_DMA_ORDER - PAGE_SHIFT : 0)
12 
13 /* Maple Bus registers */
14 #define MAPLE_BASE     0xa05f6c00
15 #define MAPLE_DMAADDR  (MAPLE_BASE+0x04)
16 #define MAPLE_TRIGTYPE (MAPLE_BASE+0x10)
17 #define MAPLE_ENABLE   (MAPLE_BASE+0x14)
18 #define MAPLE_STATE    (MAPLE_BASE+0x18)
19 #define MAPLE_SPEED    (MAPLE_BASE+0x80)
20 #define MAPLE_RESET    (MAPLE_BASE+0x8c)
21 
22 #define MAPLE_MAGIC    0x6155404f
23 #define MAPLE_2MBPS    0
24 #define MAPLE_TIMEOUT(n) ((n)<<15)
25 
26 /* Function codes */
27 #define MAPLE_FUNC_CONTROLLER 0x001
28 #define MAPLE_FUNC_MEMCARD    0x002
29 #define MAPLE_FUNC_LCD        0x004
30 #define MAPLE_FUNC_CLOCK      0x008
31 #define MAPLE_FUNC_MICROPHONE 0x010
32 #define MAPLE_FUNC_ARGUN      0x020
33 #define MAPLE_FUNC_KEYBOARD   0x040
34 #define MAPLE_FUNC_LIGHTGUN   0x080
35 #define MAPLE_FUNC_PURUPURU   0x100
36 #define MAPLE_FUNC_MOUSE      0x200
37 
38 #endif /* __ASM_MAPLE_H */
39