/**

 * $Id$

 * 

 * PVR support code

 *

 * Copyright (c) 2006 Nathan Keynes.

 *

 * 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 2 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.

 */

#define PVR_VRAM_BASE 0xA5000000

#define PVR_VRAM64_BASE 0xA4000000

#define TA_PIXFMT_RGB555   0

#define TA_PIXFMT_RGB565   1

#define TA_PIXFMT_ARGB4444 2

#define TA_PIXFMT_ARGB1555 3

#define TA_PIXFMT_RGB888   5

#define TA_PIXFMT_ARGB8888 6

#define TA_PIXFMT_DITHER   8

#define TA_CMD_POLYGON                    0x80000000

#define TA_CMD_MODIFIER                   0x80000000

#define TA_CMD_POLYGON_TYPE_OPAQUE        (0<<24)

#define TA_CMD_MODIFIER_TYPE_OPAQUE       (1<<24)

#define TA_CMD_POLYGON_TYPE_TRANSPARENT   (2<<24)

#define TA_CMD_MODIFIER_TYPE_TRANSPARENT  (3<<24)

#define TA_CMD_POLYGON_TYPE_PUNCHTHRU     (4<<24)

#define TA_CMD_POLYGON_SUBLIST            0x00800000

#define TA_CMD_POLYGON_STRIPLENGTH_1      (0<<18)

#define TA_CMD_POLYGON_STRIPLENGTH_2      (1<<18)

#define TA_CMD_POLYGON_STRIPLENGTH_4      (2<<18)

#define TA_CMD_POLYGON_STRIPLENGTH_6      (3<<18)

#define TA_CMD_POLYGON_USER_CLIP_INSIDE   0x00020000

#define TA_CMD_POLYGON_USER_CLIP_OUTSIDE  0x00030000

#define TA_CMD_POLYGON_AFFECTED_BY_MODIFIER  0x00000080

#define TA_CMD_POLYGON_CHEAP_SHADOW_MODIFIER 0x00000000

#define TA_CMD_POLYGON_NORMAL_MODIFIER       0x00000040

#define TA_CMD_POLYGON_PACKED_COLOUR      (0<<4)

#define TA_CMD_POLYGON_FLOAT_COLOUR       (1<<4)

#define TA_CMD_POLYGON_INTENSITY          (2<<4)

#define TA_CMD_POLYGON_PREVFACE_INTENSITY (3<<4)

#define TA_CMD_POLYGON_TEXTURED           0x00000008

#define TA_CMD_POLYGON_SPECULAR_HIGHLIGHT 0x00000004

#define TA_CMD_POLYGON_GOURAUD_SHADING    0x00000002

#define TA_CMD_POLYGON_16BIT_UV           0x00000001

#define TA_POLYMODE1_Z_NEVER        (0<<29)

#define TA_POLYMODE1_Z_LESS         (1<<29)

#define TA_POLYMODE1_Z_EQUAL        (2<<29)

#define TA_POLYMODE1_Z_LESSEQUAL    (3<<29)

#define TA_POLYMODE1_Z_GREATER      (4<<29)

#define TA_POLYMODE1_Z_NOTEQUAL     (5<<29)

#define TA_POLYMODE1_Z_GREATEREQUAL (6<<29)

#define TA_POLYMODE1_Z_ALWAYS       (7<<29)

#define TA_POLYMODE1_CULL_SMALL     (1<<27)

#define TA_POLYMODE1_CULL_CCW       (2<<27)

#define TA_POLYMODE1_CULL_CW        (3<<27)

#define TA_POLYMODE1_NO_Z_UPDATE    0x04000000

#define TA_POLYMODE2_BLEND_DEFAULT  (0x20<<24)

#define TA_POLYMODE2_FOG_TABLE      (0<<22)

#define TA_POLYMODE2_FOG_VERTEX     (1<<22)

#define TA_POLYMODE2_FOG_DISABLED   (2<<22)

#define TA_POLYMODE2_FOG_TABLE2     (3<<22)

#define TA_POLYMODE2_CLAMP_COLOURS  0x00200000

#define TA_POLYMODE2_ENABLE_ALPHA   0x00100000

#define TA_POLYMODE2_DISABLE_TEXTURE_TRANSPARENCY 0x00080000

#define TA_POLYMODE2_TEXTURE_FLIP_U   0x00080000

#define TA_POLYMODE2_TEXTURE_FLIP_V   0x00040000

#define TA_POLYMODE2_TEXTURE_CLAMP_U  0x00020000

#define TA_POLYMODE2_TEXTURE_CLAMP_V  0x00010000

#define TA_POLYMODE2_TRILINEAR_FILTER 0x00004000

#define TA_POLYMODE2_BILINEAR_FILTER  0x00002000

#define TA_POLYMODE2_MIPMAP_D_0_25    (1<<8)

#define TA_POLYMODE2_MIPMAP_D_0_50    (2<<8)

#define TA_POLYMODE2_MIPMAP_D_0_75    (3<<8)

#define TA_POLYMODE2_MIPMAP_D_1_00    (4<<8)

#define TA_POLYMODE2_MIPMAP_D_1_25    (5<<8)

#define TA_POLYMODE2_MIPMAP_D_1_50    (6<<8)

#define TA_POLYMODE2_MIPMAP_D_1_75    (7<<8)

#define TA_POLYMODE2_MIPMAP_D_2_00    (8<<8)

#define TA_POLYMODE2_MIPMAP_D_2_25    (9<<8)

#define TA_POLYMODE2_MIPMAP_D_2_50    (10<<8)

#define TA_POLYMODE2_MIPMAP_D_2_75    (11<<8)

#define TA_POLYMODE2_MIPMAP_D_3_00    (12<<8)

#define TA_POLYMODE2_MIPMAP_D_3_25    (13<<8)

#define TA_POLYMODE2_MIPMAP_D_3_50    (14<<8)

#define TA_POLYMODE2_MIPMAP_D_3_75    (15<<8)

#define TA_POLYMODE2_TEXTURE_REPLACE  (0<<6)

#define TA_POLYMODE2_TEXTURE_MODULATE (1<<6)

#define TA_POLYMODE2_TEXTURE_DECAL    (2<<6)

#define TA_POLYMODE2_U_SIZE_8         (0<<3)

#define TA_POLYMODE2_U_SIZE_16        (1<<3)

#define TA_POLYMODE2_U_SIZE_32        (2<<3)

#define TA_POLYMODE2_U_SIZE_64        (3<<3)

#define TA_POLYMODE2_U_SIZE_128       (4<<3)

#define TA_POLYMODE2_U_SIZE_256       (5<<3)

#define TA_POLYMODE2_U_SIZE_512       (6<<3)

#define TA_POLYMODE2_U_SIZE_1024      (7<<3)

#define TA_POLYMODE2_V_SIZE_8         (0<<0)

#define TA_POLYMODE2_V_SIZE_16        (1<<0)

#define TA_POLYMODE2_V_SIZE_32        (2<<0)

#define TA_POLYMODE2_V_SIZE_64        (3<<0)

#define TA_POLYMODE2_V_SIZE_128       (4<<0)

#define TA_POLYMODE2_V_SIZE_256       (5<<0)

#define TA_POLYMODE2_V_SIZE_512       (6<<0)

#define TA_POLYMODE2_V_SIZE_1024      (7<<0)

#define TA_TEXTUREMODE_MIPMAP       0x80000000

#define TA_TEXTUREMODE_VQ_COMPRESSION 0x40000000

#define TA_TEXTUREMODE_ARGB1555     (0<<27)

#define TA_TEXTUREMODE_RGB565       (1<<27)

#define TA_TEXTUREMODE_ARGB4444     (2<<27)

#define TA_TEXTUREMODE_YUV422       (3<<27)

#define TA_TEXTUREMODE_BUMPMAP      (4<<27)

#define TA_TEXTUREMODE_CLUT4        (5<<27)

#define TA_TEXTUREMODE_CLUT8        (6<<27)

#define TA_TEXTUREMODE_CLUTBANK8(n) ((n)<<25) /* 0-3  */

#define TA_TEXTUREMODE_CLUTBANK4(n) ((n)<<21) /* 0-63 */

#define TA_TEXTUREMODE_TWIDDLED     0x00000000

#define TA_TEXTUREMODE_NON_TWIDDLED 0x04000000

#define TA_TEXTUREMODE_ADDRESS(a)   ((((unsigned long)(void*)(a))&0x7fffff)>>3)

#define TA_CMD_VERTEX     0xe0000000

#define TA_CMD_VERTEX_LAST 0xF0000000  /* end of strip */

#define GRID_SIZE( hres, vres ) (((((vres+31) / 32)-1)<<16)|((((hres+31) / 32)-1)))

struct ta_config {

    unsigned int ta_cfg;

    unsigned int grid_size;

    unsigned int obj_start;

    unsigned int obj_end;

    unsigned int tile_start;

    unsigned int tile_end;

    unsigned int plist_start;

};

struct render_config {

    unsigned int polybuf;

    unsigned int tilemap;

    unsigned int render_addr;

    unsigned int width, height;

    unsigned int mode;

    float farclip, nearclip;

};

void ta_init( struct ta_config *config );

void ta_reinit();

void pvr_dump_objbuf( FILE *f );

void pvr_dump_tilebuf( FILE *f );

int pvr_get_objbuf_size();

int pvr_get_objbuf_posn();

int pvr_get_plist_posn();

void render_set_backplane( unsigned int mode );

void render_start( struct render_config *config );

void display_render( struct render_config *config );

void pvr_build_tilemap1( unsigned int addr, struct ta_config *config, unsigned int control_word );

void pvr_build_tilemap2( unsigned int addr, struct ta_config *config, unsigned int control_word );