This is not used in U-Boot. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@konsulko.com>master
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/*
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* (C) Copyright 2002 |
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* Stäubli Faverges - <www.staubli.com> |
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* Pierre AUBERT p.aubert@staubli.com |
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ |
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/* Video support for Epson SED13806 chipset */ |
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#include <common.h> |
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#include <video_fb.h> |
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#include <sed13806.h> |
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#define readByte(ptrReg) \ |
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*(volatile unsigned char *)(sed13806.isaBase + ptrReg) |
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#define writeByte(ptrReg,value) \ |
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*(volatile unsigned char *)(sed13806.isaBase + ptrReg) = value |
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#define writeWord(ptrReg,value) \ |
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(*(volatile unsigned short *)(sed13806.isaBase + ptrReg) = ((value >> 8 ) & 0xff) | ((value << 8) & 0xff00)) |
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GraphicDevice sed13806; |
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/*-----------------------------------------------------------------------------
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* EpsonSetRegs -- |
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*----------------------------------------------------------------------------- |
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*/ |
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static void EpsonSetRegs (void) |
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{ |
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/* the content of the chipset register depends on the board (clocks, ...)*/ |
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const S1D_REGS *preg = board_get_regs (); |
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while (preg -> Index) { |
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writeByte (preg -> Index, preg -> Value); |
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preg ++; |
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} |
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} |
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/*-----------------------------------------------------------------------------
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* video_hw_init -- |
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*----------------------------------------------------------------------------- |
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*/ |
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void *video_hw_init (void) |
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{ |
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unsigned int *vm, i; |
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memset (&sed13806, 0, sizeof (GraphicDevice)); |
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/* Initialization of the access to the graphic chipset
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Retreive base address of the chipset |
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(see board/RPXClassic/eccx.c) */ |
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if ((sed13806.isaBase = board_video_init ()) == 0) { |
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return (NULL); |
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} |
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sed13806.frameAdrs = sed13806.isaBase + FRAME_BUFFER_OFFSET; |
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sed13806.winSizeX = board_get_width (); |
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sed13806.winSizeY = board_get_height (); |
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#if defined(CONFIG_VIDEO_SED13806_8BPP) |
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sed13806.gdfIndex = GDF__8BIT_INDEX; |
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sed13806.gdfBytesPP = 1; |
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#elif defined(CONFIG_VIDEO_SED13806_16BPP) |
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sed13806.gdfIndex = GDF_16BIT_565RGB; |
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sed13806.gdfBytesPP = 2; |
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#else |
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#error Unsupported SED13806 BPP |
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#endif |
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sed13806.memSize = sed13806.winSizeX * sed13806.winSizeY * sed13806.gdfBytesPP; |
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/* Load SED registers */ |
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EpsonSetRegs (); |
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/* (see board/RPXClassic/RPXClassic.c) */ |
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board_validate_screen (sed13806.isaBase); |
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/* Clear video memory */ |
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i = sed13806.memSize/4; |
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vm = (unsigned int *)sed13806.frameAdrs; |
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while(i--) |
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*vm++ = 0; |
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return (&sed13806); |
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} |
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/*-----------------------------------------------------------------------------
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* Epson_wait_idle -- Wait for hardware to become idle |
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*----------------------------------------------------------------------------- |
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*/ |
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static void Epson_wait_idle (void) |
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{ |
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while (readByte (BLT_CTRL0) & 0x80); |
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/* Read a word in the BitBLT memory area to shutdown the BitBLT engine */ |
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*(volatile unsigned short *)(sed13806.isaBase + BLT_REG); |
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} |
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/*-----------------------------------------------------------------------------
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* video_hw_bitblt -- |
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*----------------------------------------------------------------------------- |
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*/ |
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void video_hw_bitblt ( |
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unsigned int bpp, /* bytes per pixel */ |
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unsigned int src_x, /* source pos x */ |
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unsigned int src_y, /* source pos y */ |
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unsigned int dst_x, /* dest pos x */ |
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unsigned int dst_y, /* dest pos y */ |
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unsigned int dim_x, /* frame width */ |
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unsigned int dim_y /* frame height */ |
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) |
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{ |
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register GraphicDevice *pGD = (GraphicDevice *)&sed13806; |
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unsigned long srcAddr, dstAddr; |
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unsigned int stride = bpp * pGD -> winSizeX; |
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srcAddr = (src_y * stride) + (src_x * bpp); |
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dstAddr = (dst_y * stride) + (dst_x * bpp); |
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Epson_wait_idle (); |
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writeByte(BLT_ROP,0x0C); /* source */ |
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writeByte(BLT_OP,0x02);/* move blit in positive direction with ROP */ |
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writeWord(BLT_MEM_OFF0, stride / 2); |
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if (pGD -> gdfIndex == GDF__8BIT_INDEX) { |
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writeByte(BLT_CTRL1,0x00); |
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} |
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else { |
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writeByte(BLT_CTRL1,0x01); |
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} |
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writeWord(BLT_WIDTH0,(dim_x - 1)); |
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writeWord(BLT_HEIGHT0,(dim_y - 1)); |
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/* set up blit registers */ |
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writeByte(BLT_SRC_ADDR0,srcAddr); |
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writeByte(BLT_SRC_ADDR1,srcAddr>>8); |
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writeByte(BLT_SRC_ADDR2,srcAddr>>16); |
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writeByte(BLT_DST_ADDR0,dstAddr); |
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writeByte(BLT_DST_ADDR1,dstAddr>>8); |
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writeByte(BLT_DST_ADDR2,dstAddr>>16); |
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/* Engage the blt engine */ |
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/* rectangular region for src and dst */ |
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writeByte(BLT_CTRL0,0x80); |
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/* wait untill current blits finished */ |
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Epson_wait_idle (); |
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} |
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/*-----------------------------------------------------------------------------
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* video_hw_rectfill -- |
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*----------------------------------------------------------------------------- |
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*/ |
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void video_hw_rectfill ( |
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unsigned int bpp, /* bytes per pixel */ |
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unsigned int dst_x, /* dest pos x */ |
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unsigned int dst_y, /* dest pos y */ |
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unsigned int dim_x, /* frame width */ |
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unsigned int dim_y, /* frame height */ |
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unsigned int color /* fill color */ |
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) |
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{ |
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register GraphicDevice *pGD = (GraphicDevice *)&sed13806; |
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unsigned long dstAddr; |
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unsigned int stride = bpp * pGD -> winSizeX; |
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dstAddr = (dst_y * stride) + (dst_x * bpp); |
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Epson_wait_idle (); |
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/* set up blit registers */ |
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writeByte(BLT_DST_ADDR0,dstAddr); |
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writeByte(BLT_DST_ADDR1,dstAddr>>8); |
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writeByte(BLT_DST_ADDR2,dstAddr>>16); |
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writeWord(BLT_WIDTH0,(dim_x - 1)); |
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writeWord(BLT_HEIGHT0,(dim_y - 1)); |
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writeWord(BLT_FGCOLOR0,color); |
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writeByte(BLT_OP,0x0C); /* solid fill */ |
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writeWord(BLT_MEM_OFF0,stride / 2); |
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if (pGD -> gdfIndex == GDF__8BIT_INDEX) { |
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writeByte(BLT_CTRL1,0x00); |
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} |
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else { |
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writeByte(BLT_CTRL1,0x01); |
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} |
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/* Engage the blt engine */ |
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/* rectangular region for src and dst */ |
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writeByte(BLT_CTRL0,0x80); |
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/* wait untill current blits finished */ |
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Epson_wait_idle (); |
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} |
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/*-----------------------------------------------------------------------------
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* video_set_lut -- |
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*----------------------------------------------------------------------------- |
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*/ |
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void video_set_lut ( |
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unsigned int index, /* color number */ |
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unsigned char r, /* red */ |
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unsigned char g, /* green */ |
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unsigned char b /* blue */ |
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) |
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{ |
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writeByte(REG_LUT_ADDR, index ); |
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writeByte(REG_LUT_DATA, r); |
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writeByte(REG_LUT_DATA, g); |
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writeByte(REG_LUT_DATA, b); |
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} |
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#ifdef CONFIG_VIDEO_HW_CURSOR |
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/*-----------------------------------------------------------------------------
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* video_set_hw_cursor -- |
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*----------------------------------------------------------------------------- |
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*/ |
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void video_set_hw_cursor (int x, int y) |
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{ |
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writeByte (LCD_CURSOR_XL, (x & 0xff)); |
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writeByte (LCD_CURSOR_XM, (x >> 8)); |
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writeByte (LCD_CURSOR_YL, (y & 0xff)); |
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writeByte (LCD_CURSOR_YM, (y >> 8)); |
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} |
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/*-----------------------------------------------------------------------------
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* video_init_hw_cursor -- |
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*----------------------------------------------------------------------------- |
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*/ |
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void video_init_hw_cursor (int font_width, int font_height) |
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{ |
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volatile unsigned char *ptr; |
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unsigned char pattern; |
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int i; |
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/* Init cursor content
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Cursor size is 64x64 pixels |
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Start of the cursor memory depends on panel type (dual panel ...) */ |
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if ((i = readByte (LCD_CURSOR_START)) == 0) { |
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ptr = (unsigned char *)(sed13806.frameAdrs + DEFAULT_VIDEO_MEMORY_SIZE - HWCURSORSIZE); |
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} |
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else { |
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ptr = (unsigned char *)(sed13806.frameAdrs + DEFAULT_VIDEO_MEMORY_SIZE - (i * 8192)); |
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} |
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/* Fill the first line and the first empty line after cursor */ |
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for (i = 0, pattern = 0; i < 64; i++) { |
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if (i < font_width) { |
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/* Invert background */ |
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pattern |= 0x3; |
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} |
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else { |
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/* Background */ |
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pattern |= 0x2; |
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} |
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if ((i & 3) == 3) { |
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*ptr = pattern; |
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*(ptr + font_height * 16) = 0xaa; |
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ptr ++; |
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pattern = 0; |
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} |
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pattern <<= 2; |
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} |
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/* Duplicate this line */ |
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for (i = 1; i < font_height; i++) { |
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memcpy ((void *)ptr, (void *)(ptr - 16), 16); |
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ptr += 16; |
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} |
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for (; i < 64; i++) { |
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memcpy ((void *)(ptr + 16), (void *)ptr, 16); |
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ptr += 16; |
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} |
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/* Select cursor mode */ |
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writeByte (LCD_CURSOR_CNTL, 1); |
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} |
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#endif |
@ -1,81 +0,0 @@ |
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/*
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* (C) Copyright 2002 |
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* Stäubli Faverges - <www.staubli.com> |
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* Pierre AUBERT p.aubert@staubli.com |
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ |
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/* Video support for Epson SED13806 chipset */ |
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#ifndef _SED13806_H_ |
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#define _SED13806_H_ |
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/* General definitions */ |
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#define FRAME_BUFFER_OFFSET 0x200000 /* Frame buffer offset */ |
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#define TOTAL_SPACE_SIZE 0x400000 |
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#define DEFAULT_VIDEO_MEMORY_SIZE 0x140000 /* Video Memory Size */ |
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#define HWCURSORSIZE 1024 /* Size of memory reserved |
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for HW cursor*/ |
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/* Offset of chipset registers */ |
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#define BLT_CTRL0 (0x0100) |
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#define BLT_CTRL1 (0x0101) |
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#define BLT_ROP (0x0102) |
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#define BLT_OP (0x0103) |
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#define BLT_SRC_ADDR0 (0x0104) |
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#define BLT_SRC_ADDR1 (0x0105) |
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#define BLT_SRC_ADDR2 (0x0106) |
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#define BLT_DST_ADDR0 (0x0108) |
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#define BLT_DST_ADDR1 (0x0109) |
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#define BLT_DST_ADDR2 (0x010A) |
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#define BLT_MEM_OFF0 (0x010C) |
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#define BLT_MEM_OFF1 (0x010D) |
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#define BLT_WIDTH0 (0x0110) |
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#define BLT_WIDTH1 (0x0111) |
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#define BLT_HEIGHT0 (0x0112) |
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#define BLT_HEIGHT1 (0x0113) |
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#define BLT_BGCOLOR0 (0x0114) |
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#define BLT_BGCOLOR1 (0x0115) |
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#define BLT_FGCOLOR0 (0x0118) |
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#define BLT_FGCOLOR1 (0x0119) |
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#define BLT_REG (0x100000) |
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/* Lookup table registers */ |
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#define REG_LUT_ADDR 0x1e2 |
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#define REG_LUT_DATA 0x1e4 |
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/* Cursor/Ink registers */ |
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#define LCD_CURSOR_CNTL (0x0070) |
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#define LCD_CURSOR_START (0x0071) |
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#define LCD_CURSOR_XL (0x0072) |
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#define LCD_CURSOR_XM (0x0073) |
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#define LCD_CURSOR_YL (0x0074) |
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#define LCD_CURSOR_YM (0x0075) |
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#define LCD_CURSOR_COL0_B (0x0076) |
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#define LCD_CURSOR_COL0_G (0x0077) |
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#define LCD_CURSOR_COL0_R (0x0078) |
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#define LCD_CURSOR_COL1_B (0x007A) |
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#define LCD_CURSOR_COL1_G (0x007B) |
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#define LCD_CURSOR_COL1_R (0x007C) |
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#define LCD_CURSOR_FIFO (0x007E) |
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typedef struct |
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{ |
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unsigned short Index; |
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unsigned char Value; |
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} S1D_REGS; |
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/* Board specific functions */ |
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unsigned int board_video_init (void); |
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void board_validate_screen (unsigned int base); |
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const S1D_REGS *board_get_regs (void); |
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int board_get_width (void); |
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int board_get_height (void); |
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#endif /* _SED13806_H_ */ |
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