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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 | /* * (C) Copyright 2002 * Stäubli Faverges - <www.staubli.com> * Pierre AUBERT p.aubert@staubli.com * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ /* Video support for Epson SED13806 chipset */ #include <common.h> #ifdef CONFIG_VIDEO_SED13806 #include <video_fb.h> #include <sed13806.h> #define readByte(ptrReg) \ *(volatile unsigned char *)(sed13806.isaBase + ptrReg) #define writeByte(ptrReg,value) \ *(volatile unsigned char *)(sed13806.isaBase + ptrReg) = value #ifdef CONFIG_TOTAL5200 #define writeWord(ptrReg,value) \ (*(volatile unsigned short *)(sed13806.isaBase + ptrReg) = value) #else #define writeWord(ptrReg,value) \ (*(volatile unsigned short *)(sed13806.isaBase + ptrReg) = ((value >> 8 ) & 0xff) | ((value << 8) & 0xff00)) #endif GraphicDevice sed13806; /*----------------------------------------------------------------------------- * EpsonSetRegs -- *----------------------------------------------------------------------------- */ static void EpsonSetRegs (void) { /* the content of the chipset register depends on the board (clocks, ...)*/ const S1D_REGS *preg = board_get_regs (); while (preg -> Index) { writeByte (preg -> Index, preg -> Value); preg ++; } } /*----------------------------------------------------------------------------- * video_hw_init -- *----------------------------------------------------------------------------- */ void *video_hw_init (void) { unsigned int *vm, i; memset (&sed13806, 0, sizeof (GraphicDevice)); /* Initialization of the access to the graphic chipset Retreive base address of the chipset (see board/RPXClassic/eccx.c) */ if ((sed13806.isaBase = board_video_init ()) == 0) { return (NULL); } sed13806.frameAdrs = sed13806.isaBase + FRAME_BUFFER_OFFSET; sed13806.winSizeX = board_get_width (); sed13806.winSizeY = board_get_height (); #if defined(CONFIG_VIDEO_SED13806_8BPP) sed13806.gdfIndex = GDF__8BIT_INDEX; sed13806.gdfBytesPP = 1; #elif defined(CONFIG_VIDEO_SED13806_16BPP) sed13806.gdfIndex = GDF_16BIT_565RGB; sed13806.gdfBytesPP = 2; #else #error Unsupported SED13806 BPP #endif sed13806.memSize = sed13806.winSizeX * sed13806.winSizeY * sed13806.gdfBytesPP; /* Load SED registers */ EpsonSetRegs (); /* (see board/RPXClassic/RPXClassic.c) */ board_validate_screen (sed13806.isaBase); /* Clear video memory */ i = sed13806.memSize/4; vm = (unsigned int *)sed13806.frameAdrs; while(i--) *vm++ = 0; return (&sed13806); } /*----------------------------------------------------------------------------- * Epson_wait_idle -- Wait for hardware to become idle *----------------------------------------------------------------------------- */ static void Epson_wait_idle (void) { while (readByte (BLT_CTRL0) & 0x80); /* Read a word in the BitBLT memory area to shutdown the BitBLT engine */ *(volatile unsigned short *)(sed13806.isaBase + BLT_REG); } /*----------------------------------------------------------------------------- * video_hw_bitblt -- *----------------------------------------------------------------------------- */ void video_hw_bitblt ( unsigned int bpp, /* bytes per pixel */ unsigned int src_x, /* source pos x */ unsigned int src_y, /* source pos y */ unsigned int dst_x, /* dest pos x */ unsigned int dst_y, /* dest pos y */ unsigned int dim_x, /* frame width */ unsigned int dim_y /* frame height */ ) { register GraphicDevice *pGD = (GraphicDevice *)&sed13806; unsigned long srcAddr, dstAddr; unsigned int stride = bpp * pGD -> winSizeX; srcAddr = (src_y * stride) + (src_x * bpp); dstAddr = (dst_y * stride) + (dst_x * bpp); Epson_wait_idle (); writeByte(BLT_ROP,0x0C); /* source */ writeByte(BLT_OP,0x02);/* move blit in positive direction with ROP */ writeWord(BLT_MEM_OFF0, stride / 2); if (pGD -> gdfIndex == GDF__8BIT_INDEX) { writeByte(BLT_CTRL1,0x00); } else { writeByte(BLT_CTRL1,0x01); } writeWord(BLT_WIDTH0,(dim_x - 1)); writeWord(BLT_HEIGHT0,(dim_y - 1)); /* set up blit registers */ writeByte(BLT_SRC_ADDR0,srcAddr); writeByte(BLT_SRC_ADDR1,srcAddr>>8); writeByte(BLT_SRC_ADDR2,srcAddr>>16); writeByte(BLT_DST_ADDR0,dstAddr); writeByte(BLT_DST_ADDR1,dstAddr>>8); writeByte(BLT_DST_ADDR2,dstAddr>>16); /* Engage the blt engine */ /* rectangular region for src and dst */ writeByte(BLT_CTRL0,0x80); /* wait untill current blits finished */ Epson_wait_idle (); } /*----------------------------------------------------------------------------- * video_hw_rectfill -- *----------------------------------------------------------------------------- */ void video_hw_rectfill ( unsigned int bpp, /* bytes per pixel */ unsigned int dst_x, /* dest pos x */ unsigned int dst_y, /* dest pos y */ unsigned int dim_x, /* frame width */ unsigned int dim_y, /* frame height */ unsigned int color /* fill color */ ) { register GraphicDevice *pGD = (GraphicDevice *)&sed13806; unsigned long dstAddr; unsigned int stride = bpp * pGD -> winSizeX; dstAddr = (dst_y * stride) + (dst_x * bpp); Epson_wait_idle (); /* set up blit registers */ writeByte(BLT_DST_ADDR0,dstAddr); writeByte(BLT_DST_ADDR1,dstAddr>>8); writeByte(BLT_DST_ADDR2,dstAddr>>16); writeWord(BLT_WIDTH0,(dim_x - 1)); writeWord(BLT_HEIGHT0,(dim_y - 1)); writeWord(BLT_FGCOLOR0,color); writeByte(BLT_OP,0x0C); /* solid fill */ writeWord(BLT_MEM_OFF0,stride / 2); if (pGD -> gdfIndex == GDF__8BIT_INDEX) { writeByte(BLT_CTRL1,0x00); } else { writeByte(BLT_CTRL1,0x01); } /* Engage the blt engine */ /* rectangular region for src and dst */ writeByte(BLT_CTRL0,0x80); /* wait untill current blits finished */ Epson_wait_idle (); } /*----------------------------------------------------------------------------- * video_set_lut -- *----------------------------------------------------------------------------- */ void video_set_lut ( unsigned int index, /* color number */ unsigned char r, /* red */ unsigned char g, /* green */ unsigned char b /* blue */ ) { writeByte(REG_LUT_ADDR, index ); writeByte(REG_LUT_DATA, r); writeByte(REG_LUT_DATA, g); writeByte(REG_LUT_DATA, b); } #ifdef CONFIG_VIDEO_HW_CURSOR /*----------------------------------------------------------------------------- * video_set_hw_cursor -- *----------------------------------------------------------------------------- */ void video_set_hw_cursor (int x, int y) { writeByte (LCD_CURSOR_XL, (x & 0xff)); writeByte (LCD_CURSOR_XM, (x >> 8)); writeByte (LCD_CURSOR_YL, (y & 0xff)); writeByte (LCD_CURSOR_YM, (y >> 8)); } /*----------------------------------------------------------------------------- * video_init_hw_cursor -- *----------------------------------------------------------------------------- */ void video_init_hw_cursor (int font_width, int font_height) { volatile unsigned char *ptr; unsigned char pattern; int i; /* Init cursor content Cursor size is 64x64 pixels Start of the cursor memory depends on panel type (dual panel ...) */ if ((i = readByte (LCD_CURSOR_START)) == 0) { ptr = (unsigned char *)(sed13806.frameAdrs + DEFAULT_VIDEO_MEMORY_SIZE - HWCURSORSIZE); } else { ptr = (unsigned char *)(sed13806.frameAdrs + DEFAULT_VIDEO_MEMORY_SIZE - (i * 8192)); } /* Fill the first line and the first empty line after cursor */ for (i = 0, pattern = 0; i < 64; i++) { if (i < font_width) { /* Invert background */ pattern |= 0x3; } else { /* Background */ pattern |= 0x2; } if ((i & 3) == 3) { *ptr = pattern; *(ptr + font_height * 16) = 0xaa; ptr ++; pattern = 0; } pattern <<= 2; } /* Duplicate this line */ for (i = 1; i < font_height; i++) { memcpy ((void *)ptr, (void *)(ptr - 16), 16); ptr += 16; } for (; i < 64; i++) { memcpy ((void *)(ptr + 16), (void *)ptr, 16); ptr += 16; } /* Select cursor mode */ writeByte (LCD_CURSOR_CNTL, 1); } #endif #endif |