//
// Copyright (C) 2015-2016  Markus Hiienkari <mhiienka@niksula.hut.fi>
//
// This file is part of Open Source Scan Converter project.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
//

#ifndef VIDEO_MODES_H_
#define VIDEO_MODES_H_

#include <alt_types.h>
#include "sysconfig.h"

#define H_ACTIVE_MIN 200
#define H_ACTIVE_MAX 1920
#define V_ACTIVE_MIN 200
#define V_ACTIVE_MAX 1200
#define H_TOTAL_MIN 300
#define H_TOTAL_MAX 2300
#define H_SYNCLEN_MIN 10
#define H_SYNCLEN_MAX 200
#define H_BPORCH_MIN 1
#define H_BPORCH_MAX 255
#define V_BPORCH_MIN 1
#define V_BPORCH_MAX 255

typedef enum {
    FORMAT_RGBS = 0,
    FORMAT_RGBHV = 1,
    FORMAT_RGsB = 2,
    FORMAT_YPbPr = 3
} video_format;

typedef enum {
    VIDEO_LDTV = (1<<0),
    VIDEO_SDTV = (1<<1),
    VIDEO_EDTV = (1<<2),
    VIDEO_HDTV = (1<<3),
    VIDEO_PC   = (1<<4)
} video_type;

#define MODE_L3ENABLE_MASK 0xf

typedef enum {
    MODE_L3_MODE0   = (1<<0),
    MODE_L3_MODE1   = (1<<1),
    MODE_L3_MODE2   = (1<<2),
    MODE_L3_MODE3   = (1<<3),
    MODE_L2ENABLE   = (1<<4),
    MODE_INTERLACED = (1<<5),
    MODE_PLLDIVBY2  = (1<<6),
    MODE_DTV480P    = (1<<7),
    MODE_VGA480P    = (1<<8)
} mode_flags;

typedef struct {
    char name[10];
    alt_u16 h_active;
    alt_u16 v_active;
    alt_u16 hz_x100;
    alt_u16 h_total;
    alt_u16 v_total;
    alt_u8 h_backporch;
    alt_u8 v_backporch;
    alt_u8 h_synclen;
    alt_u8 v_synclen;
    video_type type;
    mode_flags flags;
} mode_data_t;

#define VIDEO_MODES_DEF { \
    { "240p_L3M0",  1280,  240, 6000, 1560,   262, 170, 16,  72,  3, (VIDEO_SDTV|VIDEO_PC),   (MODE_L3_MODE0|MODE_PLLDIVBY2) },                                                 \
    { "240p_L3M1",   960,  240, 6000, 1170,   262, 128, 16,  54,  3, (VIDEO_SDTV|VIDEO_PC),   (MODE_L3_MODE1|MODE_PLLDIVBY2) },                                                 \
    /*{ "240p_L3M2",   384,  240, 6000,  512,   262,  66, 16,  31,  3, (VIDEO_LDTV|VIDEO_PC),   (MODE_L3_MODE2|MODE_PLLDIVBY2) },                 //CPS2*/                      \
    { "240p_L3M2",   320,  240, 6000,  426,   262,  49, 16,  31,  3, (VIDEO_LDTV|VIDEO_PC),   (MODE_L3_MODE2|MODE_PLLDIVBY2) },                                                 \
    { "240p_L3M3",   256,  240, 6000,  341,   262,  39, 16,  25,  3, (VIDEO_LDTV|VIDEO_PC),   (MODE_L3_MODE3|MODE_PLLDIVBY2) },                                                 \
    { "240p",        720,  240, 6000,  858,   262,  65, 16,  60,  3, (VIDEO_SDTV|VIDEO_PC),   (MODE_L2ENABLE|MODE_PLLDIVBY2) },                                                 \
    { "288p_L3M0",  1280,  288, 5000, 1560,   312, 170, 16,  72,  3, (VIDEO_SDTV|VIDEO_PC),   (MODE_L3_MODE0|MODE_PLLDIVBY2) },                                                 \
    { "288p_L3M1",   960,  288, 5000, 1170,   312, 128, 16,  54,  3, (VIDEO_SDTV|VIDEO_PC),   (MODE_L3_MODE1|MODE_PLLDIVBY2) },                                                 \
    { "288p_L3M2",   320,  240, 5000,  426,   312,  49, 41,  31,  3, (VIDEO_LDTV|VIDEO_PC),   (MODE_L3_MODE2|MODE_PLLDIVBY2) },                                                 \
    { "288p_L3M3",   256,  240, 5000,  341,   312,  39, 41,  25,  3, (VIDEO_LDTV|VIDEO_PC),   (MODE_L3_MODE3|MODE_PLLDIVBY2) },                                                 \
    { "288p",        720,  288, 5000,  864,   312,  65, 16,  60,  3, (VIDEO_SDTV|VIDEO_PC),   (MODE_L2ENABLE|MODE_PLLDIVBY2) },                                                 \
    { "384p",        496,  384, 5766,  640,   423,  50, 29,  62,  3, VIDEO_EDTV,              (MODE_L2ENABLE|MODE_PLLDIVBY2) },                 /* Sega Model 2 */              \
    { "640x384",     640,  384, 5500,  800,   492,  48, 63,  96,  2, VIDEO_PC,                (MODE_L2ENABLE) },                                /* X68k @ 24kHz */              \
    { "480i",        720,  240, 5994,  858,   525,  65, 16,  60,  3, (VIDEO_SDTV|VIDEO_PC),   (MODE_L2ENABLE|MODE_PLLDIVBY2|MODE_INTERLACED) },                                 \
    { "480p",        720,  480, 5994,  858,   525,  60, 30,  62,  6, (VIDEO_EDTV|VIDEO_PC),   (MODE_DTV480P) },                                                                 \
    { "640x480",     640,  480, 6000,  800,   525,  48, 33,  96,  2, (VIDEO_PC|VIDEO_EDTV),   (MODE_VGA480P) },                                                                 \
    { "640x512",     640,  512, 6000,  800,   568,  48, 28,  96,  2, VIDEO_PC,                0 },                                              /* X68k @ 31kHz */              \
    { "576i",        720,  288, 5000,  864,   625,  65, 16,  60,  3, (VIDEO_SDTV|VIDEO_PC),   (MODE_L2ENABLE|MODE_PLLDIVBY2|MODE_INTERLACED) },                                 \
    { "576p",        720,  576, 5000,  864,   625,  65, 32,  60,  6, VIDEO_EDTV,              0 },                                                                              \
    { "800x600",     800,  600, 6000, 1056,   628,  88, 23, 128,  4, VIDEO_PC,                0 },                                                                              \
    { "720p",       1280,  720, 5994, 1650,   750, 255, 20,  40,  5, VIDEO_HDTV,              0 },                                                                              \
    { "1280x720",   1280,  720, 6000, 1650,   750, 220, 20,  40,  5, VIDEO_PC,                0 },                                                                              \
    { "1024x768",   1024,  768, 6000, 1344,   806, 160, 29, 136,  6, VIDEO_PC,                0 },                                                                              \
    { "1280x1024",  1280, 1024, 6000, 1688,  1066, 248, 38, 112,  3, VIDEO_PC,                0 },                                                                              \
    { "1080i",      1920, 1080, 5994, 2200,  1125, 148, 16,  44,  5, VIDEO_HDTV,              (MODE_INTERLACED) },                              /* Too high freq for L2 PLL */  \
    { "1080p",      1920, 1080, 5994, 2200,  1125, 188, 36,  44,  5, VIDEO_HDTV,              0 },                                                                              \
    { "1920x1080",  1920, 1080, 6000, 2200,  1125, 148, 36,  44,  5, VIDEO_PC,                0 },                                                                              \
}

#define VIDEO_MODES_SIZE (sizeof((mode_data_t[])VIDEO_MODES_DEF))
#define VIDEO_MODES_CNT (sizeof((mode_data_t[])VIDEO_MODES_DEF)/sizeof(mode_data_t))

alt_8 get_mode_id(alt_u32 totlines, alt_u8 progressive, alt_u32 hz, video_type typemask, alt_u8 linemult_target, alt_u8 l3_mode, alt_u8 s480p_mode);

#endif /* VIDEO_MODES_H_ */