/*      $NetBSD: console.h,v 1.3 2008/04/28 20:23:18 martin Exp $       */

/*-
 * Copyright (c) 2004, 2005 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by UCHIYAMA Yasushi.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#define FB_LINEBYTES    2048
#define FB_WIDTH        1284
#define FB_HEIGHT       1024

#define CONS_WIDTH      (FB_WIDTH / ROM_FONT_WIDTH)
#define CONS_HEIGHT     (FB_HEIGHT / ROM_FONT_HEIGHT)

#define X_INIT          0
#define Y_INIT          0

#define CONS_FG         0xff
#define CONS_BG         0x00

/*
 * TR2, TR2A IPL CLUT.
 *
 * 1     red
 * 2     green
 * 4     blue
 * 8     yellow
 * 16    cyan
 * 32    magenta
 * 64    light gray
 * 128   dark gray
 * 255   white
 * other black
 */

enum console_type {
        CONS_ROM,       /* ROM console I/O */
        CONS_FB_KSEG2,  /* direct fb device access via KSEG2 */
        CONS_FB_KSEG1,  /* direct fb device access via KSEG1 */
        CONS_SIO1,      /* serial console port 1 */
        CONS_SIO2,      /* serial console port 2 */
};

struct cons {
        void (*init)(void);
        void (*putc)(int, int, int);
        int (*getc)(void);
        int (*scan)(void);
        void (*scroll)(void);
        void (*cursor)(int, int);
        int x, y;
        enum console_type type;
        bool erace_previous_cursor;
        bool cursor_enable;
};

struct fb {
        uint8_t *fb_addr;
        uint32_t fb_size;
        uint8_t *font_addr;
        bool active;
};

struct zskbd {
        volatile uint8_t *status;
        volatile uint8_t *data;
        const uint8_t *normal;
        const uint8_t *shift;
        const uint8_t *ctrl;
        const uint8_t *capslock;
        u_int keymap;
        int print;
};

struct zs {
        volatile uint8_t *csr;
        volatile uint8_t *data;
        int clock;
};

void fb_set_addr(uint32_t, uint32_t, uint32_t);
void *fb_get_addr(void);
void fb_init(void);
void fb_scroll(void);
void fb_drawchar(int, int, int);
void fb_drawfont(int, int, uint16_t *);
void fb_drawcursor(int, int);
void fb_clear(int, int, int, int, int);
void fb_copy(int, int, int, int, int, int);
void fb_active(bool);

void zskbd_set_addr(uint32_t, uint32_t);
int zskbd_getc(void);
int zskbd_scan(void);
void zskbd_print_keyscan(int);

void zs_set_addr(uint32_t, uint32_t, int);

void cons_rom_scroll(void);
void cons_rom_init(void);
int rom_scan(void);

enum console_type console_type(void);
void console_init(void);
void console_cursor(bool);

int cnscan(void);

extern struct cons cons;
extern struct zskbd zskbd;
extern struct fb fb;
extern struct zs zs;