arch/sh/include/mach-dreamcast/mach/maple.h

   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 */