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root/bsp/drv/arm/gba/lcd.h

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   1 /*-
   2  * Copyright (c) 2005, Kohsuke Ohtani
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the author nor the names of any co-contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  30 /*
  31  * lcd.h - GBA LCD definition
  32  */
  34 /**
  35  * Memo: Map/Tile Location
  36  *
  37  *  BG1 ... Keyboard1 (normal)
  38  *  BG2 ... Keyboard2 (shifted)
  39  *  BG3 ... Text
  40  *
  41  *  +------------+ 6010000
  42  *  |            |
  43  *  |            |
  44  *  |            |
  45  *  |            |
  46  *  |            |
  47  *  +------------+ 600C000
  48  *  |  BG2 MAP   |
  49  *  +------------+ 600A000
  50  *  |  BG1 MAP   |
  51  *  +------------+ 6009000
  52  *  |  BG3 MAP   |
  53  *  +------------+ 6008000
  54  *  |   Tile 2   |
  55  *  |(KBD2)      |
  56  *  |- - - - - - | 6006000
  57  *  |            |
  58  *  |(KBD1)      |
  59  *  +------------+ 6004000
  60  *  |   Tile 1   |
  61  *  |            |
  62  *  |            |
  63  *  |            |
  64  *  |(Font)      |
  65  *  +------------+ 6000000
  66  */
  68 #define VSCR_COLS       32
  69 #define SCR_COLS        30
  70 #define SCR_ROWS        20
  72 /* Registers for keypad control */
  73 #define REG_DISPCNT     (*(volatile uint16_t *)0x4000000)
  74 #define REG_BG0CNT      (*(volatile uint16_t *)0x4000008)
  75 #define REG_BG1CNT      (*(volatile uint16_t *)0x400000A)
  76 #define REG_BG2CNT      (*(volatile uint16_t *)0x400000C)
  77 #define REG_BG3CNT      (*(volatile uint16_t *)0x400000E)
  79 #define BG_PALETTE      (uint16_t *)0x5000000
  81 #define CONSOLE_TILE    (uint16_t *)0x6000000
  82 #define CONSOLE_MAP     (uint16_t *)0x6008000
  84 #define KBD1_TILE       (uint16_t *)0x6004000
  85 #define KBD2_TILE       (uint16_t *)0x6006000
  86 #define KBD1_MAP        (uint16_t *)0x6009000
  87 #define KBD2_MAP        (uint16_t *)0x600A000
  89 #define OAM             (uint16_t *)0x7000000
  90 #define SPL_PALETTE     (uint16_t *)0x5000200
  91 #define CURSOR_DATA     (uint16_t *)0x6010000
  94 #define RGB(r, g, b)    (((b) << 10) + ((g) << 5) + (r))