531 lines
17 KiB
C
531 lines
17 KiB
C
/*
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* Silicon Motion SM712 2D drawing engine functions.
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*
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* Copyright (C) 2006 Silicon Motion Technology Corp.
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* Author: Ge Wang, gewang@siliconmotion.com
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*
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* Copyright (C) 2009 Lemote, Inc.
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* Author: Wu Zhangjin, wuzj@lemote.com
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file COPYING in the main directory of this archive for
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* more details.
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*/
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#ifndef NULL
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#define NULL 0
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#endif
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/* Internal macros */
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#define _F_START(f) (0 ? f)
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#define _F_END(f) (1 ? f)
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#define _F_SIZE(f) (1 + _F_END(f) - _F_START(f))
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#define _F_MASK(f) (((1ULL << _F_SIZE(f)) - 1) << _F_START(f))
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#define _F_NORMALIZE(v, f) (((v) & _F_MASK(f)) >> _F_START(f))
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#define _F_DENORMALIZE(v, f) (((v) << _F_START(f)) & _F_MASK(f))
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/* Global macros */
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#define FIELD_GET(x, reg, field) \
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( \
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_F_NORMALIZE((x), reg ## _ ## field) \
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)
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#define FIELD_SET(x, reg, field, value) \
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( \
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(x & ~_F_MASK(reg ## _ ## field)) \
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| _F_DENORMALIZE(reg ## _ ## field ## _ ## value, reg ## _ ## field) \
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)
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#define FIELD_VALUE(x, reg, field, value) \
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( \
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(x & ~_F_MASK(reg ## _ ## field)) \
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| _F_DENORMALIZE(value, reg ## _ ## field) \
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)
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#define FIELD_CLEAR(reg, field) \
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( \
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~_F_MASK(reg ## _ ## field) \
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)
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/* Field Macros */
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#define FIELD_START(field) (0 ? field)
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#define FIELD_END(field) (1 ? field)
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#define FIELD_SIZE(field) \
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(1 + FIELD_END(field) - FIELD_START(field))
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#define FIELD_MASK(field) \
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(((1 << (FIELD_SIZE(field)-1)) \
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| ((1 << (FIELD_SIZE(field)-1)) - 1)) \
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<< FIELD_START(field))
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#define FIELD_NORMALIZE(reg, field) \
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(((reg) & FIELD_MASK(field)) >> FIELD_START(field))
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#define FIELD_DENORMALIZE(field, value) \
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(((value) << FIELD_START(field)) & FIELD_MASK(field))
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#define FIELD_INIT(reg, field, value) \
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FIELD_DENORMALIZE(reg ## _ ## field, \
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reg ## _ ## field ## _ ## value)
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#define FIELD_INIT_VAL(reg, field, value) \
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(FIELD_DENORMALIZE(reg ## _ ## field, value))
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#define FIELD_VAL_SET(x, r, f, v) ({ \
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x = (x & ~FIELD_MASK(r ## _ ## f)) \
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| FIELD_DENORMALIZE(r ## _ ## f, r ## _ ## f ## _ ## v) \
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})
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#define RGB(r, g, b) ((unsigned long)(((r) << 16) | ((g) << 8) | (b)))
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/* Transparent info definition */
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typedef struct {
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unsigned long match; /* Matching pixel is OPAQUE/TRANSPARENT */
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unsigned long select; /* Transparency controlled by SRC/DST */
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unsigned long control; /* ENABLE/DISABLE transparency */
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unsigned long color; /* Transparent color */
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} Transparent, *pTransparent;
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#define PIXEL_DEPTH_1_BP 0 /* 1 bit per pixel */
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#define PIXEL_DEPTH_8_BPP 1 /* 8 bits per pixel */
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#define PIXEL_DEPTH_16_BPP 2 /* 16 bits per pixel */
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#define PIXEL_DEPTH_32_BPP 3 /* 32 bits per pixel */
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#define PIXEL_DEPTH_YUV422 8 /* 16 bits per pixel YUV422 */
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#define PIXEL_DEPTH_YUV420 9 /* 16 bits per pixel YUV420 */
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#define PATTERN_WIDTH 8
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#define PATTERN_HEIGHT 8
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#define TOP_TO_BOTTOM 0
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#define BOTTOM_TO_TOP 1
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#define RIGHT_TO_LEFT BOTTOM_TO_TOP
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#define LEFT_TO_RIGHT TOP_TO_BOTTOM
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/* Constants used in Transparent structure */
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#define MATCH_OPAQUE 0x00000000
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#define MATCH_TRANSPARENT 0x00000400
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#define SOURCE 0x00000000
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#define DESTINATION 0x00000200
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/* 2D registers. */
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#define DE_SOURCE 0x000000
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#define DE_SOURCE_WRAP 31 : 31
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#define DE_SOURCE_WRAP_DISABLE 0
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#define DE_SOURCE_WRAP_ENABLE 1
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#define DE_SOURCE_X_K1 29 : 16
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#define DE_SOURCE_Y_K2 15 : 0
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#define DE_DESTINATION 0x000004
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#define DE_DESTINATION_WRAP 31 : 31
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#define DE_DESTINATION_WRAP_DISABLE 0
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#define DE_DESTINATION_WRAP_ENABLE 1
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#define DE_DESTINATION_X 28 : 16
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#define DE_DESTINATION_Y 15 : 0
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#define DE_DIMENSION 0x000008
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#define DE_DIMENSION_X 28 : 16
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#define DE_DIMENSION_Y_ET 15 : 0
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#define DE_CONTROL 0x00000C
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#define DE_CONTROL_STATUS 31 : 31
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#define DE_CONTROL_STATUS_STOP 0
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#define DE_CONTROL_STATUS_START 1
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#define DE_CONTROL_PATTERN 30 : 30
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#define DE_CONTROL_PATTERN_MONO 0
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#define DE_CONTROL_PATTERN_COLOR 1
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#define DE_CONTROL_UPDATE_DESTINATION_X 29 : 29
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#define DE_CONTROL_UPDATE_DESTINATION_X_DISABLE 0
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#define DE_CONTROL_UPDATE_DESTINATION_X_ENABLE 1
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#define DE_CONTROL_QUICK_START 28 : 28
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#define DE_CONTROL_QUICK_START_DISABLE 0
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#define DE_CONTROL_QUICK_START_ENABLE 1
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#define DE_CONTROL_DIRECTION 27 : 27
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#define DE_CONTROL_DIRECTION_LEFT_TO_RIGHT 0
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#define DE_CONTROL_DIRECTION_RIGHT_TO_LEFT 1
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#define DE_CONTROL_MAJOR 26 : 26
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#define DE_CONTROL_MAJOR_X 0
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#define DE_CONTROL_MAJOR_Y 1
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#define DE_CONTROL_STEP_X 25 : 25
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#define DE_CONTROL_STEP_X_POSITIVE 1
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#define DE_CONTROL_STEP_X_NEGATIVE 0
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#define DE_CONTROL_STEP_Y 24 : 24
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#define DE_CONTROL_STEP_Y_POSITIVE 1
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#define DE_CONTROL_STEP_Y_NEGATIVE 0
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#define DE_CONTROL_STRETCH 23 : 23
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#define DE_CONTROL_STRETCH_DISABLE 0
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#define DE_CONTROL_STRETCH_ENABLE 1
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#define DE_CONTROL_HOST 22 : 22
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#define DE_CONTROL_HOST_COLOR 0
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#define DE_CONTROL_HOST_MONO 1
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#define DE_CONTROL_LAST_PIXEL 21 : 21
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#define DE_CONTROL_LAST_PIXEL_OFF 0
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#define DE_CONTROL_LAST_PIXEL_ON 1
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#define DE_CONTROL_COMMAND 20 : 16
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#define DE_CONTROL_COMMAND_BITBLT 0
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#define DE_CONTROL_COMMAND_RECTANGLE_FILL 1
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#define DE_CONTROL_COMMAND_DE_TILE 2
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#define DE_CONTROL_COMMAND_TRAPEZOID_FILL 3
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#define DE_CONTROL_COMMAND_ALPHA_BLEND 4
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#define DE_CONTROL_COMMAND_RLE_STRIP 5
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#define DE_CONTROL_COMMAND_SHORT_STROKE 6
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#define DE_CONTROL_COMMAND_LINE_DRAW 7
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#define DE_CONTROL_COMMAND_HOST_WRITE 8
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#define DE_CONTROL_COMMAND_HOST_READ 9
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#define DE_CONTROL_COMMAND_HOST_WRITE_BOTTOM_UP 10
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#define DE_CONTROL_COMMAND_ROTATE 11
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#define DE_CONTROL_COMMAND_FONT 12
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#define DE_CONTROL_COMMAND_TEXTURE_LOAD 15
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#define DE_CONTROL_ROP_SELECT 15 : 15
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#define DE_CONTROL_ROP_SELECT_ROP3 0
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#define DE_CONTROL_ROP_SELECT_ROP2 1
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#define DE_CONTROL_ROP2_SOURCE 14 : 14
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#define DE_CONTROL_ROP2_SOURCE_BITMAP 0
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#define DE_CONTROL_ROP2_SOURCE_PATTERN 1
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#define DE_CONTROL_MONO_DATA 13 : 12
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#define DE_CONTROL_MONO_DATA_NOT_PACKED 0
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#define DE_CONTROL_MONO_DATA_8_PACKED 1
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#define DE_CONTROL_MONO_DATA_16_PACKED 2
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#define DE_CONTROL_MONO_DATA_32_PACKED 3
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#define DE_CONTROL_REPEAT_ROTATE 11 : 11
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#define DE_CONTROL_REPEAT_ROTATE_DISABLE 0
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#define DE_CONTROL_REPEAT_ROTATE_ENABLE 1
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#define DE_CONTROL_TRANSPARENCY_MATCH 10 : 10
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#define DE_CONTROL_TRANSPARENCY_MATCH_OPAQUE 0
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#define DE_CONTROL_TRANSPARENCY_MATCH_TRANSPARENT 1
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#define DE_CONTROL_TRANSPARENCY_SELECT 9 : 9
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#define DE_CONTROL_TRANSPARENCY_SELECT_SOURCE 0
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#define DE_CONTROL_TRANSPARENCY_SELECT_DESTINATION 1
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#define DE_CONTROL_TRANSPARENCY 8 : 8
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#define DE_CONTROL_TRANSPARENCY_DISABLE 0
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#define DE_CONTROL_TRANSPARENCY_ENABLE 1
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#define DE_CONTROL_ROP 7 : 0
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/* Pseudo fields. */
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#define DE_CONTROL_SHORT_STROKE_DIR 27 : 24
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#define DE_CONTROL_SHORT_STROKE_DIR_225 0
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#define DE_CONTROL_SHORT_STROKE_DIR_135 1
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#define DE_CONTROL_SHORT_STROKE_DIR_315 2
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#define DE_CONTROL_SHORT_STROKE_DIR_45 3
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#define DE_CONTROL_SHORT_STROKE_DIR_270 4
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#define DE_CONTROL_SHORT_STROKE_DIR_90 5
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#define DE_CONTROL_SHORT_STROKE_DIR_180 8
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#define DE_CONTROL_SHORT_STROKE_DIR_0 10
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#define DE_CONTROL_ROTATION 25 : 24
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#define DE_CONTROL_ROTATION_0 0
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#define DE_CONTROL_ROTATION_270 1
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#define DE_CONTROL_ROTATION_90 2
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#define DE_CONTROL_ROTATION_180 3
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#define DE_PITCH 0x000010
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#define DE_PITCH_DESTINATION 28 : 16
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#define DE_PITCH_SOURCE 12 : 0
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#define DE_FOREGROUND 0x000014
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#define DE_FOREGROUND_COLOR 31 : 0
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#define DE_BACKGROUND 0x000018
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#define DE_BACKGROUND_COLOR 31 : 0
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#define DE_STRETCH_FORMAT 0x00001C
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#define DE_STRETCH_FORMAT_PATTERN_XY 30 : 30
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#define DE_STRETCH_FORMAT_PATTERN_XY_NORMAL 0
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#define DE_STRETCH_FORMAT_PATTERN_XY_OVERWRITE 1
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#define DE_STRETCH_FORMAT_PATTERN_Y 29 : 27
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#define DE_STRETCH_FORMAT_PATTERN_X 25 : 23
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#define DE_STRETCH_FORMAT_PIXEL_FORMAT 21 : 20
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#define DE_STRETCH_FORMAT_PIXEL_FORMAT_8 0
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#define DE_STRETCH_FORMAT_PIXEL_FORMAT_16 1
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#define DE_STRETCH_FORMAT_PIXEL_FORMAT_24 3
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#define DE_STRETCH_FORMAT_PIXEL_FORMAT_32 2
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#define DE_STRETCH_FORMAT_ADDRESSING 19 : 16
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#define DE_STRETCH_FORMAT_ADDRESSING_XY 0
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#define DE_STRETCH_FORMAT_ADDRESSING_LINEAR 15
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#define DE_STRETCH_FORMAT_SOURCE_HEIGHT 11 : 0
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#define DE_COLOR_COMPARE 0x000020
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#define DE_COLOR_COMPARE_COLOR 23 : 0
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#define DE_COLOR_COMPARE_MASK 0x000024
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#define DE_COLOR_COMPARE_MASK_MASKS 23 : 0
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#define DE_MASKS 0x000028
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#define DE_MASKS_BYTE_MASK 31 : 16
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#define DE_MASKS_BIT_MASK 15 : 0
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#define DE_CLIP_TL 0x00002C
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#define DE_CLIP_TL_TOP 31 : 16
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#define DE_CLIP_TL_STATUS 13 : 13
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#define DE_CLIP_TL_STATUS_DISABLE 0
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#define DE_CLIP_TL_STATUS_ENABLE 1
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#define DE_CLIP_TL_INHIBIT 12 : 12
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#define DE_CLIP_TL_INHIBIT_OUTSIDE 0
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#define DE_CLIP_TL_INHIBIT_INSIDE 1
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#define DE_CLIP_TL_LEFT 11 : 0
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#define DE_CLIP_BR 0x000030
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#define DE_CLIP_BR_BOTTOM 31 : 16
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#define DE_CLIP_BR_RIGHT 12 : 0
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#define DE_MONO_PATTERN_LOW 0x000034
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#define DE_MONO_PATTERN_LOW_PATTERN 31 : 0
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#define DE_MONO_PATTERN_HIGH 0x000038
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#define DE_MONO_PATTERN_HIGH_PATTERN 31 : 0
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#define DE_WINDOW_WIDTH 0x00003C
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#define DE_WINDOW_WIDTH_DESTINATION 28 : 16
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#define DE_WINDOW_WIDTH_SOURCE 12 : 0
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#define DE_WINDOW_SOURCE_BASE 0x000040
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#define DE_WINDOW_SOURCE_BASE_EXT 27 : 27
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#define DE_WINDOW_SOURCE_BASE_EXT_LOCAL 0
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#define DE_WINDOW_SOURCE_BASE_EXT_EXTERNAL 1
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#define DE_WINDOW_SOURCE_BASE_CS 26 : 26
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#define DE_WINDOW_SOURCE_BASE_CS_0 0
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#define DE_WINDOW_SOURCE_BASE_CS_1 1
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#define DE_WINDOW_SOURCE_BASE_ADDRESS 25 : 0
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#define DE_WINDOW_DESTINATION_BASE 0x000044
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#define DE_WINDOW_DESTINATION_BASE_EXT 27 : 27
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#define DE_WINDOW_DESTINATION_BASE_EXT_LOCAL 0
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#define DE_WINDOW_DESTINATION_BASE_EXT_EXTERNAL 1
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#define DE_WINDOW_DESTINATION_BASE_CS 26 : 26
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#define DE_WINDOW_DESTINATION_BASE_CS_0 0
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#define DE_WINDOW_DESTINATION_BASE_CS_1 1
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#define DE_WINDOW_DESTINATION_BASE_ADDRESS 25 : 0
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#define DE_ALPHA 0x000048
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#define DE_ALPHA_VALUE 7 : 0
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#define DE_WRAP 0x00004C
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#define DE_WRAP_X 31 : 16
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#define DE_WRAP_Y 15 : 0
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#define DE_STATUS 0x000050
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#define DE_STATUS_CSC 1 : 1
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#define DE_STATUS_CSC_CLEAR 0
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#define DE_STATUS_CSC_NOT_ACTIVE 0
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#define DE_STATUS_CSC_ACTIVE 1
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#define DE_STATUS_2D 0 : 0
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#define DE_STATUS_2D_CLEAR 0
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#define DE_STATUS_2D_NOT_ACTIVE 0
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#define DE_STATUS_2D_ACTIVE 1
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/* Color Space Conversion registers. */
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#define CSC_Y_SOURCE_BASE 0x0000C8
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#define CSC_Y_SOURCE_BASE_EXT 27 : 27
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#define CSC_Y_SOURCE_BASE_EXT_LOCAL 0
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#define CSC_Y_SOURCE_BASE_EXT_EXTERNAL 1
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#define CSC_Y_SOURCE_BASE_CS 26 : 26
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#define CSC_Y_SOURCE_BASE_CS_0 0
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#define CSC_Y_SOURCE_BASE_CS_1 1
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#define CSC_Y_SOURCE_BASE_ADDRESS 25 : 0
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#define CSC_CONSTANTS 0x0000CC
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#define CSC_CONSTANTS_Y 31 : 24
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#define CSC_CONSTANTS_R 23 : 16
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#define CSC_CONSTANTS_G 15 : 8
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#define CSC_CONSTANTS_B 7 : 0
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#define CSC_Y_SOURCE_X 0x0000D0
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#define CSC_Y_SOURCE_X_INTEGER 26 : 16
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#define CSC_Y_SOURCE_X_FRACTION 15 : 3
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#define CSC_Y_SOURCE_Y 0x0000D4
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#define CSC_Y_SOURCE_Y_INTEGER 27 : 16
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#define CSC_Y_SOURCE_Y_FRACTION 15 : 3
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#define CSC_U_SOURCE_BASE 0x0000D8
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#define CSC_U_SOURCE_BASE_EXT 27 : 27
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#define CSC_U_SOURCE_BASE_EXT_LOCAL 0
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#define CSC_U_SOURCE_BASE_EXT_EXTERNAL 1
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#define CSC_U_SOURCE_BASE_CS 26 : 26
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#define CSC_U_SOURCE_BASE_CS_0 0
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#define CSC_U_SOURCE_BASE_CS_1 1
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#define CSC_U_SOURCE_BASE_ADDRESS 25 : 0
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#define CSC_V_SOURCE_BASE 0x0000DC
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#define CSC_V_SOURCE_BASE_EXT 27 : 27
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#define CSC_V_SOURCE_BASE_EXT_LOCAL 0
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#define CSC_V_SOURCE_BASE_EXT_EXTERNAL 1
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#define CSC_V_SOURCE_BASE_CS 26 : 26
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#define CSC_V_SOURCE_BASE_CS_0 0
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#define CSC_V_SOURCE_BASE_CS_1 1
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#define CSC_V_SOURCE_BASE_ADDRESS 25 : 0
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#define CSC_SOURCE_DIMENSION 0x0000E0
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#define CSC_SOURCE_DIMENSION_X 31 : 16
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#define CSC_SOURCE_DIMENSION_Y 15 : 0
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#define CSC_SOURCE_PITCH 0x0000E4
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#define CSC_SOURCE_PITCH_Y 31 : 16
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#define CSC_SOURCE_PITCH_UV 15 : 0
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#define CSC_DESTINATION 0x0000E8
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#define CSC_DESTINATION_WRAP 31 : 31
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#define CSC_DESTINATION_WRAP_DISABLE 0
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#define CSC_DESTINATION_WRAP_ENABLE 1
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#define CSC_DESTINATION_X 27 : 16
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#define CSC_DESTINATION_Y 11 : 0
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#define CSC_DESTINATION_DIMENSION 0x0000EC
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#define CSC_DESTINATION_DIMENSION_X 31 : 16
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#define CSC_DESTINATION_DIMENSION_Y 15 : 0
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#define CSC_DESTINATION_PITCH 0x0000F0
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#define CSC_DESTINATION_PITCH_X 31 : 16
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#define CSC_DESTINATION_PITCH_Y 15 : 0
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#define CSC_SCALE_FACTOR 0x0000F4
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#define CSC_SCALE_FACTOR_HORIZONTAL 31 : 16
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#define CSC_SCALE_FACTOR_VERTICAL 15 : 0
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#define CSC_DESTINATION_BASE 0x0000F8
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#define CSC_DESTINATION_BASE_EXT 27 : 27
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#define CSC_DESTINATION_BASE_EXT_LOCAL 0
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#define CSC_DESTINATION_BASE_EXT_EXTERNAL 1
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#define CSC_DESTINATION_BASE_CS 26 : 26
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#define CSC_DESTINATION_BASE_CS_0 0
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#define CSC_DESTINATION_BASE_CS_1 1
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#define CSC_DESTINATION_BASE_ADDRESS 25 : 0
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#define CSC_CONTROL 0x0000FC
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#define CSC_CONTROL_STATUS 31 : 31
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#define CSC_CONTROL_STATUS_STOP 0
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#define CSC_CONTROL_STATUS_START 1
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#define CSC_CONTROL_SOURCE_FORMAT 30 : 28
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#define CSC_CONTROL_SOURCE_FORMAT_YUV422 0
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#define CSC_CONTROL_SOURCE_FORMAT_YUV420I 1
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#define CSC_CONTROL_SOURCE_FORMAT_YUV420 2
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#define CSC_CONTROL_SOURCE_FORMAT_YVU9 3
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#define CSC_CONTROL_SOURCE_FORMAT_IYU1 4
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#define CSC_CONTROL_SOURCE_FORMAT_IYU2 5
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#define CSC_CONTROL_SOURCE_FORMAT_RGB565 6
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#define CSC_CONTROL_SOURCE_FORMAT_RGB8888 7
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#define CSC_CONTROL_DESTINATION_FORMAT 27 : 26
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#define CSC_CONTROL_DESTINATION_FORMAT_RGB565 0
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#define CSC_CONTROL_DESTINATION_FORMAT_RGB8888 1
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#define CSC_CONTROL_HORIZONTAL_FILTER 25 : 25
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#define CSC_CONTROL_HORIZONTAL_FILTER_DISABLE 0
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#define CSC_CONTROL_HORIZONTAL_FILTER_ENABLE 1
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#define CSC_CONTROL_VERTICAL_FILTER 24 : 24
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#define CSC_CONTROL_VERTICAL_FILTER_DISABLE 0
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#define CSC_CONTROL_VERTICAL_FILTER_ENABLE 1
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#define CSC_CONTROL_BYTE_ORDER 23 : 23
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#define CSC_CONTROL_BYTE_ORDER_YUYV 0
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#define CSC_CONTROL_BYTE_ORDER_UYVY 1
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#define DE_DATA_PORT_501 0x110000
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#define DE_DATA_PORT_712 0x400000
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#define DE_DATA_PORT_722 0x6000
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/* point to virtual Memory Map IO starting address */
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extern char *smtc_RegBaseAddress;
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/* point to virtual video memory starting address */
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extern char *smtc_VRAMBaseAddress;
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extern unsigned char smtc_de_busy;
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extern unsigned long memRead32(unsigned long nOffset);
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extern void memWrite32(unsigned long nOffset, unsigned long nData);
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extern unsigned long SMTC_read2Dreg(unsigned long nOffset);
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/* 2D functions */
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extern void deInit(unsigned int nModeWidth, unsigned int nModeHeight,
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unsigned int bpp);
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extern void deWaitForNotBusy(void);
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extern void deVerticalLine(unsigned long dst_base,
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unsigned long dst_pitch,
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unsigned long nX,
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unsigned long nY,
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unsigned long dst_height,
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unsigned long nColor);
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extern void deHorizontalLine(unsigned long dst_base,
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unsigned long dst_pitch,
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unsigned long nX,
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unsigned long nY,
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unsigned long dst_width,
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unsigned long nColor);
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extern void deLine(unsigned long dst_base,
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unsigned long dst_pitch,
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unsigned long nX1,
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unsigned long nY1,
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unsigned long nX2,
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unsigned long nY2,
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unsigned long nColor);
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extern void deFillRect(unsigned long dst_base,
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unsigned long dst_pitch,
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unsigned long dst_X,
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unsigned long dst_Y,
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unsigned long dst_width,
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unsigned long dst_height,
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unsigned long nColor);
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extern void deRotatePattern(unsigned char *pattern_dstaddr,
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unsigned long pattern_src_addr,
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unsigned long pattern_BPP,
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unsigned long pattern_stride,
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int patternX,
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int patternY);
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extern void deCopy(unsigned long dst_base,
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unsigned long dst_pitch,
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unsigned long dst_BPP,
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unsigned long dst_X,
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unsigned long dst_Y,
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unsigned long dst_width,
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unsigned long dst_height,
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unsigned long src_base,
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unsigned long src_pitch,
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unsigned long src_X,
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unsigned long src_Y,
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pTransparent pTransp,
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unsigned char nROP2);
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/*
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* System memory to Video memory monochrome expansion.
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*
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* Source is monochrome image in system memory. This function expands the
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* monochrome data to color image in video memory.
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*
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* @pSrcbuf: pointer to start of source buffer in system memory
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* @srcDelta: Pitch value (in bytes) of the source buffer, +ive means top
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* down and -ive mean button up
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* @startBit: Mono data can start at any bit in a byte, this value should
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* be 0 to 7
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* @dBase: Address of destination : offset in frame buffer
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* @dPitch: Pitch value of destination surface in BYTE
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* @bpp: Color depth of destination surface
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* @dx, dy: Starting coordinate of destination surface
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* @width, height: width and height of rectange in pixel value
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* @fColor,bColor: Foreground, Background color (corresponding to a 1, 0 in
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* the monochrome data)
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* @rop2: ROP value
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*/
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extern long deSystemMem2VideoMemMonoBlt(
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const char *pSrcbuf,
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long srcDelta,
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unsigned long startBit,
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unsigned long dBase,
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unsigned long dPitch,
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unsigned long bpp,
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unsigned long dx, unsigned long dy,
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unsigned long width, unsigned long height,
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unsigned long fColor,
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unsigned long bColor,
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unsigned long rop2);
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extern unsigned long deGetTransparency(void);
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extern void deSetPixelFormat(unsigned long bpp);
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