| /* |
| * Silicon Motion SM7XX 2D drawing engine functions. |
| * |
| * Copyright (C) 2006 Silicon Motion Technology Corp. |
| * Author: Boyod boyod.yang@siliconmotion.com.cn |
| * |
| * Copyright (C) 2009 Lemote, Inc. |
| * Author: Wu Zhangjin, wuzj@lemote.com |
| * |
| * This file is subject to the terms and conditions of the GNU General Public |
| * License. See the file COPYING in the main directory of this archive for |
| * more details. |
| * |
| * Version 0.10.26192.21.01 |
| * - Add PowerPC support |
| * - Add 2D support for Lynx - |
| * Verified on 2.6.19.2 |
| * Boyod.yang <boyod.yang@siliconmotion.com.cn> |
| */ |
| |
| unsigned char smtc_de_busy; |
| |
| void SMTC_write2Dreg(unsigned long nOffset, unsigned long nData) |
| { |
| writel(nData, smtc_2DBaseAddress + nOffset); |
| } |
| |
| unsigned long SMTC_read2Dreg(unsigned long nOffset) |
| { |
| return readl(smtc_2DBaseAddress + nOffset); |
| } |
| |
| void SMTC_write2Ddataport(unsigned long nOffset, unsigned long nData) |
| { |
| writel(nData, smtc_2Ddataport + nOffset); |
| } |
| |
| /********************************************************************** |
| * |
| * deInit |
| * |
| * Purpose |
| * Drawing engine initialization. |
| * |
| **********************************************************************/ |
| |
| void deInit(unsigned int nModeWidth, unsigned int nModeHeight, |
| unsigned int bpp) |
| { |
| /* Get current power configuration. */ |
| unsigned char clock; |
| clock = smtc_seqr(0x21); |
| |
| /* initialize global 'mutex lock' variable */ |
| smtc_de_busy = 0; |
| |
| /* Enable 2D Drawing Engine */ |
| smtc_seqw(0x21, clock & 0xF8); |
| |
| SMTC_write2Dreg(DE_CLIP_TL, |
| FIELD_VALUE(0, DE_CLIP_TL, TOP, 0) | |
| FIELD_SET(0, DE_CLIP_TL, STATUS, DISABLE) | |
| FIELD_SET(0, DE_CLIP_TL, INHIBIT, OUTSIDE) | |
| FIELD_VALUE(0, DE_CLIP_TL, LEFT, 0)); |
| |
| if (bpp >= 24) { |
| SMTC_write2Dreg(DE_PITCH, |
| FIELD_VALUE(0, DE_PITCH, DESTINATION, |
| nModeWidth * 3) | FIELD_VALUE(0, |
| DE_PITCH, |
| SOURCE, |
| nModeWidth |
| * 3)); |
| } else { |
| SMTC_write2Dreg(DE_PITCH, |
| FIELD_VALUE(0, DE_PITCH, DESTINATION, |
| nModeWidth) | FIELD_VALUE(0, |
| DE_PITCH, |
| SOURCE, |
| nModeWidth)); |
| } |
| |
| SMTC_write2Dreg(DE_WINDOW_WIDTH, |
| FIELD_VALUE(0, DE_WINDOW_WIDTH, DESTINATION, |
| nModeWidth) | FIELD_VALUE(0, |
| DE_WINDOW_WIDTH, |
| SOURCE, |
| nModeWidth)); |
| |
| switch (bpp) { |
| case 8: |
| SMTC_write2Dreg(DE_STRETCH_FORMAT, |
| FIELD_SET(0, DE_STRETCH_FORMAT, PATTERN_XY, |
| NORMAL) | FIELD_VALUE(0, |
| DE_STRETCH_FORMAT, |
| PATTERN_Y, |
| 0) | |
| FIELD_VALUE(0, DE_STRETCH_FORMAT, PATTERN_X, |
| 0) | FIELD_SET(0, DE_STRETCH_FORMAT, |
| PIXEL_FORMAT, |
| 8) | FIELD_SET(0, |
| DE_STRETCH_FORMAT, |
| ADDRESSING, |
| XY) | |
| FIELD_VALUE(0, DE_STRETCH_FORMAT, |
| SOURCE_HEIGHT, 3)); |
| break; |
| case 24: |
| SMTC_write2Dreg(DE_STRETCH_FORMAT, |
| FIELD_SET(0, DE_STRETCH_FORMAT, PATTERN_XY, |
| NORMAL) | FIELD_VALUE(0, |
| DE_STRETCH_FORMAT, |
| PATTERN_Y, |
| 0) | |
| FIELD_VALUE(0, DE_STRETCH_FORMAT, PATTERN_X, |
| 0) | FIELD_SET(0, DE_STRETCH_FORMAT, |
| PIXEL_FORMAT, |
| 24) | FIELD_SET(0, |
| DE_STRETCH_FORMAT, |
| ADDRESSING, |
| XY) | |
| FIELD_VALUE(0, DE_STRETCH_FORMAT, |
| SOURCE_HEIGHT, 3)); |
| break; |
| case 16: |
| default: |
| SMTC_write2Dreg(DE_STRETCH_FORMAT, |
| FIELD_SET(0, DE_STRETCH_FORMAT, PATTERN_XY, |
| NORMAL) | FIELD_VALUE(0, |
| DE_STRETCH_FORMAT, |
| PATTERN_Y, |
| 0) | |
| FIELD_VALUE(0, DE_STRETCH_FORMAT, PATTERN_X, |
| 0) | FIELD_SET(0, DE_STRETCH_FORMAT, |
| PIXEL_FORMAT, |
| 16) | FIELD_SET(0, |
| DE_STRETCH_FORMAT, |
| ADDRESSING, |
| XY) | |
| FIELD_VALUE(0, DE_STRETCH_FORMAT, |
| SOURCE_HEIGHT, 3)); |
| break; |
| } |
| |
| SMTC_write2Dreg(DE_MASKS, |
| FIELD_VALUE(0, DE_MASKS, BYTE_MASK, 0xFFFF) | |
| FIELD_VALUE(0, DE_MASKS, BIT_MASK, 0xFFFF)); |
| SMTC_write2Dreg(DE_COLOR_COMPARE_MASK, |
| FIELD_VALUE(0, DE_COLOR_COMPARE_MASK, MASKS, \ |
| 0xFFFFFF)); |
| SMTC_write2Dreg(DE_COLOR_COMPARE, |
| FIELD_VALUE(0, DE_COLOR_COMPARE, COLOR, 0xFFFFFF)); |
| } |
| |
| void deVerticalLine(unsigned long dst_base, |
| unsigned long dst_pitch, |
| unsigned long nX, |
| unsigned long nY, |
| unsigned long dst_height, unsigned long nColor) |
| { |
| deWaitForNotBusy(); |
| |
| SMTC_write2Dreg(DE_WINDOW_DESTINATION_BASE, |
| FIELD_VALUE(0, DE_WINDOW_DESTINATION_BASE, ADDRESS, |
| dst_base)); |
| |
| SMTC_write2Dreg(DE_PITCH, |
| FIELD_VALUE(0, DE_PITCH, DESTINATION, dst_pitch) | |
| FIELD_VALUE(0, DE_PITCH, SOURCE, dst_pitch)); |
| |
| SMTC_write2Dreg(DE_WINDOW_WIDTH, |
| FIELD_VALUE(0, DE_WINDOW_WIDTH, DESTINATION, |
| dst_pitch) | FIELD_VALUE(0, DE_WINDOW_WIDTH, |
| SOURCE, |
| dst_pitch)); |
| |
| SMTC_write2Dreg(DE_FOREGROUND, |
| FIELD_VALUE(0, DE_FOREGROUND, COLOR, nColor)); |
| |
| SMTC_write2Dreg(DE_DESTINATION, |
| FIELD_SET(0, DE_DESTINATION, WRAP, DISABLE) | |
| FIELD_VALUE(0, DE_DESTINATION, X, nX) | |
| FIELD_VALUE(0, DE_DESTINATION, Y, nY)); |
| |
| SMTC_write2Dreg(DE_DIMENSION, |
| FIELD_VALUE(0, DE_DIMENSION, X, 1) | |
| FIELD_VALUE(0, DE_DIMENSION, Y_ET, dst_height)); |
| |
| SMTC_write2Dreg(DE_CONTROL, |
| FIELD_SET(0, DE_CONTROL, STATUS, START) | |
| FIELD_SET(0, DE_CONTROL, DIRECTION, LEFT_TO_RIGHT) | |
| FIELD_SET(0, DE_CONTROL, MAJOR, Y) | |
| FIELD_SET(0, DE_CONTROL, STEP_X, NEGATIVE) | |
| FIELD_SET(0, DE_CONTROL, STEP_Y, POSITIVE) | |
| FIELD_SET(0, DE_CONTROL, LAST_PIXEL, OFF) | |
| FIELD_SET(0, DE_CONTROL, COMMAND, SHORT_STROKE) | |
| FIELD_SET(0, DE_CONTROL, ROP_SELECT, ROP2) | |
| FIELD_VALUE(0, DE_CONTROL, ROP, 0x0C)); |
| |
| smtc_de_busy = 1; |
| } |
| |
| void deHorizontalLine(unsigned long dst_base, |
| unsigned long dst_pitch, |
| unsigned long nX, |
| unsigned long nY, |
| unsigned long dst_width, unsigned long nColor) |
| { |
| deWaitForNotBusy(); |
| |
| SMTC_write2Dreg(DE_WINDOW_DESTINATION_BASE, |
| FIELD_VALUE(0, DE_WINDOW_DESTINATION_BASE, ADDRESS, |
| dst_base)); |
| |
| SMTC_write2Dreg(DE_PITCH, |
| FIELD_VALUE(0, DE_PITCH, DESTINATION, dst_pitch) | |
| FIELD_VALUE(0, DE_PITCH, SOURCE, dst_pitch)); |
| |
| SMTC_write2Dreg(DE_WINDOW_WIDTH, |
| FIELD_VALUE(0, DE_WINDOW_WIDTH, DESTINATION, |
| dst_pitch) | FIELD_VALUE(0, DE_WINDOW_WIDTH, |
| SOURCE, |
| dst_pitch)); |
| SMTC_write2Dreg(DE_FOREGROUND, |
| FIELD_VALUE(0, DE_FOREGROUND, COLOR, nColor)); |
| SMTC_write2Dreg(DE_DESTINATION, |
| FIELD_SET(0, DE_DESTINATION, WRAP, |
| DISABLE) | FIELD_VALUE(0, DE_DESTINATION, X, |
| nX) | FIELD_VALUE(0, |
| DE_DESTINATION, |
| Y, |
| nY)); |
| SMTC_write2Dreg(DE_DIMENSION, |
| FIELD_VALUE(0, DE_DIMENSION, X, |
| dst_width) | FIELD_VALUE(0, DE_DIMENSION, |
| Y_ET, 1)); |
| SMTC_write2Dreg(DE_CONTROL, |
| FIELD_SET(0, DE_CONTROL, STATUS, START) | FIELD_SET(0, |
| DE_CONTROL, |
| DIRECTION, |
| RIGHT_TO_LEFT) |
| | FIELD_SET(0, DE_CONTROL, MAJOR, X) | FIELD_SET(0, |
| DE_CONTROL, |
| STEP_X, |
| POSITIVE) |
| | FIELD_SET(0, DE_CONTROL, STEP_Y, |
| NEGATIVE) | FIELD_SET(0, DE_CONTROL, |
| LAST_PIXEL, |
| OFF) | FIELD_SET(0, |
| DE_CONTROL, |
| COMMAND, |
| SHORT_STROKE) |
| | FIELD_SET(0, DE_CONTROL, ROP_SELECT, |
| ROP2) | FIELD_VALUE(0, DE_CONTROL, ROP, |
| 0x0C)); |
| |
| smtc_de_busy = 1; |
| } |
| |
| void deLine(unsigned long dst_base, |
| unsigned long dst_pitch, |
| unsigned long nX1, |
| unsigned long nY1, |
| unsigned long nX2, unsigned long nY2, unsigned long nColor) |
| { |
| unsigned long nCommand = |
| FIELD_SET(0, DE_CONTROL, STATUS, START) | |
| FIELD_SET(0, DE_CONTROL, DIRECTION, LEFT_TO_RIGHT) | |
| FIELD_SET(0, DE_CONTROL, MAJOR, X) | |
| FIELD_SET(0, DE_CONTROL, STEP_X, POSITIVE) | |
| FIELD_SET(0, DE_CONTROL, STEP_Y, POSITIVE) | |
| FIELD_SET(0, DE_CONTROL, LAST_PIXEL, OFF) | |
| FIELD_SET(0, DE_CONTROL, ROP_SELECT, ROP2) | |
| FIELD_VALUE(0, DE_CONTROL, ROP, 0x0C); |
| unsigned long DeltaX; |
| unsigned long DeltaY; |
| |
| /* Calculate delta X */ |
| if (nX1 <= nX2) |
| DeltaX = nX2 - nX1; |
| else { |
| DeltaX = nX1 - nX2; |
| nCommand = FIELD_SET(nCommand, DE_CONTROL, STEP_X, NEGATIVE); |
| } |
| |
| /* Calculate delta Y */ |
| if (nY1 <= nY2) |
| DeltaY = nY2 - nY1; |
| else { |
| DeltaY = nY1 - nY2; |
| nCommand = FIELD_SET(nCommand, DE_CONTROL, STEP_Y, NEGATIVE); |
| } |
| |
| /* Determine the major axis */ |
| if (DeltaX < DeltaY) |
| nCommand = FIELD_SET(nCommand, DE_CONTROL, MAJOR, Y); |
| |
| /* Vertical line? */ |
| if (nX1 == nX2) |
| deVerticalLine(dst_base, dst_pitch, nX1, nY1, DeltaY, nColor); |
| |
| /* Horizontal line? */ |
| else if (nY1 == nY2) |
| deHorizontalLine(dst_base, dst_pitch, nX1, nY1, \ |
| DeltaX, nColor); |
| |
| /* Diagonal line? */ |
| else if (DeltaX == DeltaY) { |
| deWaitForNotBusy(); |
| |
| SMTC_write2Dreg(DE_WINDOW_DESTINATION_BASE, |
| FIELD_VALUE(0, DE_WINDOW_DESTINATION_BASE, |
| ADDRESS, dst_base)); |
| |
| SMTC_write2Dreg(DE_PITCH, |
| FIELD_VALUE(0, DE_PITCH, DESTINATION, |
| dst_pitch) | FIELD_VALUE(0, |
| DE_PITCH, |
| SOURCE, |
| dst_pitch)); |
| |
| SMTC_write2Dreg(DE_WINDOW_WIDTH, |
| FIELD_VALUE(0, DE_WINDOW_WIDTH, DESTINATION, |
| dst_pitch) | FIELD_VALUE(0, |
| DE_WINDOW_WIDTH, |
| SOURCE, |
| dst_pitch)); |
| |
| SMTC_write2Dreg(DE_FOREGROUND, |
| FIELD_VALUE(0, DE_FOREGROUND, COLOR, nColor)); |
| |
| SMTC_write2Dreg(DE_DESTINATION, |
| FIELD_SET(0, DE_DESTINATION, WRAP, DISABLE) | |
| FIELD_VALUE(0, DE_DESTINATION, X, 1) | |
| FIELD_VALUE(0, DE_DESTINATION, Y, nY1)); |
| |
| SMTC_write2Dreg(DE_DIMENSION, |
| FIELD_VALUE(0, DE_DIMENSION, X, 1) | |
| FIELD_VALUE(0, DE_DIMENSION, Y_ET, DeltaX)); |
| |
| SMTC_write2Dreg(DE_CONTROL, |
| FIELD_SET(nCommand, DE_CONTROL, COMMAND, |
| SHORT_STROKE)); |
| } |
| |
| /* Generic line */ |
| else { |
| unsigned int k1, k2, et, w; |
| if (DeltaX < DeltaY) { |
| k1 = 2 * DeltaX; |
| et = k1 - DeltaY; |
| k2 = et - DeltaY; |
| w = DeltaY + 1; |
| } else { |
| k1 = 2 * DeltaY; |
| et = k1 - DeltaX; |
| k2 = et - DeltaX; |
| w = DeltaX + 1; |
| } |
| |
| deWaitForNotBusy(); |
| |
| SMTC_write2Dreg(DE_WINDOW_DESTINATION_BASE, |
| FIELD_VALUE(0, DE_WINDOW_DESTINATION_BASE, |
| ADDRESS, dst_base)); |
| |
| SMTC_write2Dreg(DE_PITCH, |
| FIELD_VALUE(0, DE_PITCH, DESTINATION, |
| dst_pitch) | FIELD_VALUE(0, |
| DE_PITCH, |
| SOURCE, |
| dst_pitch)); |
| |
| SMTC_write2Dreg(DE_WINDOW_WIDTH, |
| FIELD_VALUE(0, DE_WINDOW_WIDTH, DESTINATION, |
| dst_pitch) | FIELD_VALUE(0, |
| DE_WINDOW_WIDTH, |
| SOURCE, |
| dst_pitch)); |
| |
| SMTC_write2Dreg(DE_FOREGROUND, |
| FIELD_VALUE(0, DE_FOREGROUND, COLOR, nColor)); |
| |
| SMTC_write2Dreg(DE_SOURCE, |
| FIELD_SET(0, DE_SOURCE, WRAP, DISABLE) | |
| FIELD_VALUE(0, DE_SOURCE, X_K1, k1) | |
| FIELD_VALUE(0, DE_SOURCE, Y_K2, k2)); |
| |
| SMTC_write2Dreg(DE_DESTINATION, |
| FIELD_SET(0, DE_DESTINATION, WRAP, DISABLE) | |
| FIELD_VALUE(0, DE_DESTINATION, X, nX1) | |
| FIELD_VALUE(0, DE_DESTINATION, Y, nY1)); |
| |
| SMTC_write2Dreg(DE_DIMENSION, |
| FIELD_VALUE(0, DE_DIMENSION, X, w) | |
| FIELD_VALUE(0, DE_DIMENSION, Y_ET, et)); |
| |
| SMTC_write2Dreg(DE_CONTROL, |
| FIELD_SET(nCommand, DE_CONTROL, COMMAND, |
| LINE_DRAW)); |
| } |
| |
| smtc_de_busy = 1; |
| } |
| |
| void deFillRect(unsigned long dst_base, |
| unsigned long dst_pitch, |
| unsigned long dst_X, |
| unsigned long dst_Y, |
| unsigned long dst_width, |
| unsigned long dst_height, unsigned long nColor) |
| { |
| deWaitForNotBusy(); |
| |
| SMTC_write2Dreg(DE_WINDOW_DESTINATION_BASE, |
| FIELD_VALUE(0, DE_WINDOW_DESTINATION_BASE, ADDRESS, |
| dst_base)); |
| |
| if (dst_pitch) { |
| SMTC_write2Dreg(DE_PITCH, |
| FIELD_VALUE(0, DE_PITCH, DESTINATION, |
| dst_pitch) | FIELD_VALUE(0, |
| DE_PITCH, |
| SOURCE, |
| dst_pitch)); |
| |
| SMTC_write2Dreg(DE_WINDOW_WIDTH, |
| FIELD_VALUE(0, DE_WINDOW_WIDTH, DESTINATION, |
| dst_pitch) | FIELD_VALUE(0, |
| DE_WINDOW_WIDTH, |
| SOURCE, |
| dst_pitch)); |
| } |
| |
| SMTC_write2Dreg(DE_FOREGROUND, |
| FIELD_VALUE(0, DE_FOREGROUND, COLOR, nColor)); |
| |
| SMTC_write2Dreg(DE_DESTINATION, |
| FIELD_SET(0, DE_DESTINATION, WRAP, DISABLE) | |
| FIELD_VALUE(0, DE_DESTINATION, X, dst_X) | |
| FIELD_VALUE(0, DE_DESTINATION, Y, dst_Y)); |
| |
| SMTC_write2Dreg(DE_DIMENSION, |
| FIELD_VALUE(0, DE_DIMENSION, X, dst_width) | |
| FIELD_VALUE(0, DE_DIMENSION, Y_ET, dst_height)); |
| |
| SMTC_write2Dreg(DE_CONTROL, |
| FIELD_SET(0, DE_CONTROL, STATUS, START) | |
| FIELD_SET(0, DE_CONTROL, DIRECTION, LEFT_TO_RIGHT) | |
| FIELD_SET(0, DE_CONTROL, LAST_PIXEL, OFF) | |
| FIELD_SET(0, DE_CONTROL, COMMAND, RECTANGLE_FILL) | |
| FIELD_SET(0, DE_CONTROL, ROP_SELECT, ROP2) | |
| FIELD_VALUE(0, DE_CONTROL, ROP, 0x0C)); |
| |
| smtc_de_busy = 1; |
| } |
| |
| /********************************************************************** |
| * |
| * deRotatePattern |
| * |
| * Purpose |
| * Rotate the given pattern if necessary |
| * |
| * Parameters |
| * [in] |
| * pPattern - Pointer to DE_SURFACE structure containing |
| * pattern attributes |
| * patternX - X position (0-7) of pattern origin |
| * patternY - Y position (0-7) of pattern origin |
| * |
| * [out] |
| * pattern_dstaddr - Pointer to pre-allocated buffer containing |
| * rotated pattern |
| * |
| **********************************************************************/ |
| void deRotatePattern(unsigned char *pattern_dstaddr, |
| unsigned long pattern_src_addr, |
| unsigned long pattern_BPP, |
| unsigned long pattern_stride, int patternX, int patternY) |
| { |
| unsigned int i; |
| unsigned long pattern[PATTERN_WIDTH * PATTERN_HEIGHT]; |
| unsigned int x, y; |
| unsigned char *pjPatByte; |
| |
| if (pattern_dstaddr != NULL) { |
| deWaitForNotBusy(); |
| |
| if (patternX || patternY) { |
| /* Rotate pattern */ |
| pjPatByte = (unsigned char *)pattern; |
| |
| switch (pattern_BPP) { |
| case 8: |
| { |
| for (y = 0; y < 8; y++) { |
| unsigned char *pjBuffer = |
| pattern_dstaddr + |
| ((patternY + y) & 7) * 8; |
| for (x = 0; x < 8; x++) { |
| pjBuffer[(patternX + |
| x) & 7] = |
| pjPatByte[x]; |
| } |
| pjPatByte += pattern_stride; |
| } |
| break; |
| } |
| |
| case 16: |
| { |
| for (y = 0; y < 8; y++) { |
| unsigned short *pjBuffer = |
| (unsigned short *) |
| pattern_dstaddr + |
| ((patternY + y) & 7) * 8; |
| for (x = 0; x < 8; x++) { |
| pjBuffer[(patternX + |
| x) & 7] = |
| ((unsigned short *) |
| pjPatByte)[x]; |
| } |
| pjPatByte += pattern_stride; |
| } |
| break; |
| } |
| |
| case 32: |
| { |
| for (y = 0; y < 8; y++) { |
| unsigned long *pjBuffer = |
| (unsigned long *) |
| pattern_dstaddr + |
| ((patternY + y) & 7) * 8; |
| for (x = 0; x < 8; x++) { |
| pjBuffer[(patternX + |
| x) & 7] = |
| ((unsigned long *) |
| pjPatByte)[x]; |
| } |
| pjPatByte += pattern_stride; |
| } |
| break; |
| } |
| } |
| } else { |
| /*Don't rotate,just copy pattern into pattern_dstaddr*/ |
| for (i = 0; i < (pattern_BPP * 2); i++) { |
| ((unsigned long *)pattern_dstaddr)[i] = |
| pattern[i]; |
| } |
| } |
| |
| } |
| } |
| |
| /********************************************************************** |
| * |
| * deCopy |
| * |
| * Purpose |
| * Copy a rectangular area of the source surface to a destination surface |
| * |
| * Remarks |
| * Source bitmap must have the same color depth (BPP) as the destination |
| * bitmap. |
| * |
| **********************************************************************/ |
| void deCopy(unsigned long dst_base, |
| unsigned long dst_pitch, |
| unsigned long dst_BPP, |
| unsigned long dst_X, |
| unsigned long dst_Y, |
| unsigned long dst_width, |
| unsigned long dst_height, |
| unsigned long src_base, |
| unsigned long src_pitch, |
| unsigned long src_X, |
| unsigned long src_Y, pTransparent pTransp, unsigned char nROP2) |
| { |
| unsigned long nDirection = 0; |
| unsigned long nTransparent = 0; |
| /* Direction of ROP2 operation: |
| * 1 = Left to Right, |
| * (-1) = Right to Left |
| */ |
| unsigned long opSign = 1; |
| /* xWidth is in pixels */ |
| unsigned long xWidth = 192 / (dst_BPP / 8); |
| unsigned long de_ctrl = 0; |
| |
| deWaitForNotBusy(); |
| |
| SMTC_write2Dreg(DE_WINDOW_DESTINATION_BASE, |
| FIELD_VALUE(0, DE_WINDOW_DESTINATION_BASE, ADDRESS, |
| dst_base)); |
| |
| SMTC_write2Dreg(DE_WINDOW_SOURCE_BASE, |
| FIELD_VALUE(0, DE_WINDOW_SOURCE_BASE, ADDRESS, |
| src_base)); |
| |
| if (dst_pitch && src_pitch) { |
| SMTC_write2Dreg(DE_PITCH, |
| FIELD_VALUE(0, DE_PITCH, DESTINATION, |
| dst_pitch) | FIELD_VALUE(0, |
| DE_PITCH, |
| SOURCE, |
| src_pitch)); |
| |
| SMTC_write2Dreg(DE_WINDOW_WIDTH, |
| FIELD_VALUE(0, DE_WINDOW_WIDTH, DESTINATION, |
| dst_pitch) | FIELD_VALUE(0, |
| DE_WINDOW_WIDTH, |
| SOURCE, |
| src_pitch)); |
| } |
| |
| /* Set transparent bits if necessary */ |
| if (pTransp != NULL) { |
| nTransparent = |
| pTransp->match | pTransp->select | pTransp->control; |
| |
| /* Set color compare register */ |
| SMTC_write2Dreg(DE_COLOR_COMPARE, |
| FIELD_VALUE(0, DE_COLOR_COMPARE, COLOR, |
| pTransp->color)); |
| } |
| |
| /* Determine direction of operation */ |
| if (src_Y < dst_Y) { |
| /* +----------+ |
| |S | |
| | +----------+ |
| | | | | |
| | | | | |
| +---|------+ | |
| | D | |
| +----------+ */ |
| |
| nDirection = BOTTOM_TO_TOP; |
| } else if (src_Y > dst_Y) { |
| /* +----------+ |
| |D | |
| | +----------+ |
| | | | | |
| | | | | |
| +---|------+ | |
| | S | |
| +----------+ */ |
| |
| nDirection = TOP_TO_BOTTOM; |
| } else { |
| /* src_Y == dst_Y */ |
| |
| if (src_X <= dst_X) { |
| /* +------+---+------+ |
| |S | | D| |
| | | | | |
| | | | | |
| | | | | |
| +------+---+------+ */ |
| |
| nDirection = RIGHT_TO_LEFT; |
| } else { |
| /* src_X > dst_X */ |
| |
| /* +------+---+------+ |
| |D | | S| |
| | | | | |
| | | | | |
| | | | | |
| +------+---+------+ */ |
| |
| nDirection = LEFT_TO_RIGHT; |
| } |
| } |
| |
| if ((nDirection == BOTTOM_TO_TOP) || (nDirection == RIGHT_TO_LEFT)) { |
| src_X += dst_width - 1; |
| src_Y += dst_height - 1; |
| dst_X += dst_width - 1; |
| dst_Y += dst_height - 1; |
| opSign = (-1); |
| } |
| |
| if (dst_BPP >= 24) { |
| src_X *= 3; |
| src_Y *= 3; |
| dst_X *= 3; |
| dst_Y *= 3; |
| dst_width *= 3; |
| if ((nDirection == BOTTOM_TO_TOP) |
| || (nDirection == RIGHT_TO_LEFT)) { |
| src_X += 2; |
| dst_X += 2; |
| } |
| } |
| |
| /* Workaround for 192 byte hw bug */ |
| if ((nROP2 != 0x0C) && ((dst_width * (dst_BPP / 8)) >= 192)) { |
| /* |
| * Perform the ROP2 operation in chunks of (xWidth * |
| * dst_height) |
| */ |
| while (1) { |
| deWaitForNotBusy(); |
| |
| SMTC_write2Dreg(DE_SOURCE, |
| FIELD_SET(0, DE_SOURCE, WRAP, DISABLE) | |
| FIELD_VALUE(0, DE_SOURCE, X_K1, src_X) | |
| FIELD_VALUE(0, DE_SOURCE, Y_K2, src_Y)); |
| |
| SMTC_write2Dreg(DE_DESTINATION, |
| FIELD_SET(0, DE_DESTINATION, WRAP, |
| DISABLE) | FIELD_VALUE(0, |
| DE_DESTINATION, |
| X, |
| dst_X) |
| | FIELD_VALUE(0, DE_DESTINATION, Y, |
| dst_Y)); |
| |
| SMTC_write2Dreg(DE_DIMENSION, |
| FIELD_VALUE(0, DE_DIMENSION, X, |
| xWidth) | FIELD_VALUE(0, |
| DE_DIMENSION, |
| Y_ET, |
| dst_height)); |
| |
| de_ctrl = |
| FIELD_VALUE(0, DE_CONTROL, ROP, |
| nROP2) | nTransparent | FIELD_SET(0, |
| DE_CONTROL, |
| ROP_SELECT, |
| ROP2) |
| | FIELD_SET(0, DE_CONTROL, COMMAND, |
| BITBLT) | ((nDirection == |
| 1) ? FIELD_SET(0, |
| DE_CONTROL, |
| DIRECTION, |
| RIGHT_TO_LEFT) |
| : FIELD_SET(0, DE_CONTROL, |
| DIRECTION, |
| LEFT_TO_RIGHT)) | |
| FIELD_SET(0, DE_CONTROL, STATUS, START); |
| |
| SMTC_write2Dreg(DE_CONTROL, de_ctrl); |
| |
| src_X += (opSign * xWidth); |
| dst_X += (opSign * xWidth); |
| dst_width -= xWidth; |
| |
| if (dst_width <= 0) { |
| /* ROP2 operation is complete */ |
| break; |
| } |
| |
| if (xWidth > dst_width) |
| xWidth = dst_width; |
| } |
| } else { |
| deWaitForNotBusy(); |
| SMTC_write2Dreg(DE_SOURCE, |
| FIELD_SET(0, DE_SOURCE, WRAP, DISABLE) | |
| FIELD_VALUE(0, DE_SOURCE, X_K1, src_X) | |
| FIELD_VALUE(0, DE_SOURCE, Y_K2, src_Y)); |
| |
| SMTC_write2Dreg(DE_DESTINATION, |
| FIELD_SET(0, DE_DESTINATION, WRAP, DISABLE) | |
| FIELD_VALUE(0, DE_DESTINATION, X, dst_X) | |
| FIELD_VALUE(0, DE_DESTINATION, Y, dst_Y)); |
| |
| SMTC_write2Dreg(DE_DIMENSION, |
| FIELD_VALUE(0, DE_DIMENSION, X, dst_width) | |
| FIELD_VALUE(0, DE_DIMENSION, Y_ET, dst_height)); |
| |
| de_ctrl = FIELD_VALUE(0, DE_CONTROL, ROP, nROP2) | |
| nTransparent | |
| FIELD_SET(0, DE_CONTROL, ROP_SELECT, ROP2) | |
| FIELD_SET(0, DE_CONTROL, COMMAND, BITBLT) | |
| ((nDirection == 1) ? FIELD_SET(0, DE_CONTROL, DIRECTION, |
| RIGHT_TO_LEFT) |
| : FIELD_SET(0, DE_CONTROL, DIRECTION, |
| LEFT_TO_RIGHT)) | FIELD_SET(0, DE_CONTROL, |
| STATUS, START); |
| SMTC_write2Dreg(DE_CONTROL, de_ctrl); |
| } |
| |
| smtc_de_busy = 1; |
| } |
| |
| /* |
| * This function sets the pixel format that will apply to the 2D Engine. |
| */ |
| void deSetPixelFormat(unsigned long bpp) |
| { |
| unsigned long de_format; |
| |
| de_format = SMTC_read2Dreg(DE_STRETCH_FORMAT); |
| |
| switch (bpp) { |
| case 8: |
| de_format = |
| FIELD_SET(de_format, DE_STRETCH_FORMAT, PIXEL_FORMAT, 8); |
| break; |
| default: |
| case 16: |
| de_format = |
| FIELD_SET(de_format, DE_STRETCH_FORMAT, PIXEL_FORMAT, 16); |
| break; |
| case 32: |
| de_format = |
| FIELD_SET(de_format, DE_STRETCH_FORMAT, PIXEL_FORMAT, 32); |
| break; |
| } |
| |
| SMTC_write2Dreg(DE_STRETCH_FORMAT, de_format); |
| } |
| |
| /* |
| * System memory to Video memory monochrome expansion. |
| * |
| * Source is monochrome image in system memory. This function expands the |
| * monochrome data to color image in video memory. |
| */ |
| |
| long deSystemMem2VideoMemMonoBlt(const char *pSrcbuf, |
| long srcDelta, |
| unsigned long startBit, |
| unsigned long dBase, |
| unsigned long dPitch, |
| unsigned long bpp, |
| unsigned long dx, unsigned long dy, |
| unsigned long width, unsigned long height, |
| unsigned long fColor, |
| unsigned long bColor, |
| unsigned long rop2) { |
| unsigned long bytePerPixel; |
| unsigned long ulBytesPerScan; |
| unsigned long ul4BytesPerScan; |
| unsigned long ulBytesRemain; |
| unsigned long de_ctrl = 0; |
| unsigned char ajRemain[4]; |
| long i, j; |
| |
| bytePerPixel = bpp / 8; |
| |
| /* Just make sure the start bit is within legal range */ |
| startBit &= 7; |
| |
| ulBytesPerScan = (width + startBit + 7) / 8; |
| ul4BytesPerScan = ulBytesPerScan & ~3; |
| ulBytesRemain = ulBytesPerScan & 3; |
| |
| if (smtc_de_busy) |
| deWaitForNotBusy(); |
| |
| /* |
| * 2D Source Base. Use 0 for HOST Blt. |
| */ |
| |
| SMTC_write2Dreg(DE_WINDOW_SOURCE_BASE, 0); |
| |
| /* |
| * 2D Destination Base. |
| * |
| * It is an address offset (128 bit aligned) from the beginning of |
| * frame buffer. |
| */ |
| |
| SMTC_write2Dreg(DE_WINDOW_DESTINATION_BASE, dBase); |
| |
| if (dPitch) { |
| |
| /* |
| * Program pitch (distance between the 1st points of two |
| * adjacent lines). |
| * |
| * Note that input pitch is BYTE value, but the 2D Pitch |
| * register uses pixel values. Need Byte to pixel convertion. |
| */ |
| |
| SMTC_write2Dreg(DE_PITCH, |
| FIELD_VALUE(0, DE_PITCH, DESTINATION, |
| dPitch / |
| bytePerPixel) | FIELD_VALUE(0, |
| DE_PITCH, |
| SOURCE, |
| dPitch / |
| bytePerPixel)); |
| |
| /* Screen Window width in Pixels. |
| * |
| * 2D engine uses this value to calculate the linear address in |
| * frame buffer for a given point. |
| */ |
| |
| SMTC_write2Dreg(DE_WINDOW_WIDTH, |
| FIELD_VALUE(0, DE_WINDOW_WIDTH, DESTINATION, |
| (dPitch / |
| bytePerPixel)) | FIELD_VALUE(0, |
| DE_WINDOW_WIDTH, |
| SOURCE, |
| (dPitch |
| / |
| bytePerPixel))); |
| } |
| /* Note: For 2D Source in Host Write, only X_K1 field is needed, and |
| * Y_K2 field is not used. For mono bitmap, use startBit for X_K1. |
| */ |
| |
| SMTC_write2Dreg(DE_SOURCE, |
| FIELD_SET(0, DE_SOURCE, WRAP, DISABLE) | |
| FIELD_VALUE(0, DE_SOURCE, X_K1, startBit) | |
| FIELD_VALUE(0, DE_SOURCE, Y_K2, 0)); |
| |
| SMTC_write2Dreg(DE_DESTINATION, |
| FIELD_SET(0, DE_DESTINATION, WRAP, DISABLE) | |
| FIELD_VALUE(0, DE_DESTINATION, X, dx) | |
| FIELD_VALUE(0, DE_DESTINATION, Y, dy)); |
| |
| SMTC_write2Dreg(DE_DIMENSION, |
| FIELD_VALUE(0, DE_DIMENSION, X, width) | |
| FIELD_VALUE(0, DE_DIMENSION, Y_ET, height)); |
| |
| SMTC_write2Dreg(DE_FOREGROUND, fColor); |
| SMTC_write2Dreg(DE_BACKGROUND, bColor); |
| |
| if (bpp) |
| deSetPixelFormat(bpp); |
| /* Set the pixel format of the destination */ |
| |
| de_ctrl = FIELD_VALUE(0, DE_CONTROL, ROP, rop2) | |
| FIELD_SET(0, DE_CONTROL, ROP_SELECT, ROP2) | |
| FIELD_SET(0, DE_CONTROL, COMMAND, HOST_WRITE) | |
| FIELD_SET(0, DE_CONTROL, HOST, MONO) | |
| FIELD_SET(0, DE_CONTROL, STATUS, START); |
| |
| SMTC_write2Dreg(DE_CONTROL, de_ctrl | deGetTransparency()); |
| |
| /* Write MONO data (line by line) to 2D Engine data port */ |
| for (i = 0; i < height; i++) { |
| /* For each line, send the data in chunks of 4 bytes */ |
| for (j = 0; j < (ul4BytesPerScan / 4); j++) |
| SMTC_write2Ddataport(0, |
| *(unsigned long *)(pSrcbuf + |
| (j * 4))); |
| |
| if (ulBytesRemain) { |
| memcpy(ajRemain, pSrcbuf + ul4BytesPerScan, |
| ulBytesRemain); |
| SMTC_write2Ddataport(0, *(unsigned long *)ajRemain); |
| } |
| |
| pSrcbuf += srcDelta; |
| } |
| smtc_de_busy = 1; |
| |
| return 0; |
| } |
| |
| /* |
| * This function gets the transparency status from DE_CONTROL register. |
| * It returns a double word with the transparent fields properly set, |
| * while other fields are 0. |
| */ |
| unsigned long deGetTransparency(void) |
| { |
| unsigned long de_ctrl; |
| |
| de_ctrl = SMTC_read2Dreg(DE_CONTROL); |
| |
| de_ctrl &= |
| FIELD_MASK(DE_CONTROL_TRANSPARENCY_MATCH) | |
| FIELD_MASK(DE_CONTROL_TRANSPARENCY_SELECT) | |
| FIELD_MASK(DE_CONTROL_TRANSPARENCY); |
| |
| return de_ctrl; |
| } |
